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@@ -1,450 +1,452 b'' | |||
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1 | 1 | #!/usr/bin/env python |
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2 | 2 | # encoding: utf-8 |
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3 | 3 | """ |
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4 | 4 | The IPython controller application. |
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5 | 5 | |
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6 | 6 | Authors: |
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7 | 7 | |
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8 | 8 | * Brian Granger |
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9 | 9 | * MinRK |
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10 | 10 | |
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11 | 11 | """ |
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12 | 12 | |
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13 | 13 | #----------------------------------------------------------------------------- |
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14 | 14 | # Copyright (C) 2008-2011 The IPython Development Team |
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15 | 15 | # |
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16 | 16 | # Distributed under the terms of the BSD License. The full license is in |
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17 | 17 | # the file COPYING, distributed as part of this software. |
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18 | 18 | #----------------------------------------------------------------------------- |
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19 | 19 | |
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20 | 20 | #----------------------------------------------------------------------------- |
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21 | 21 | # Imports |
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22 | 22 | #----------------------------------------------------------------------------- |
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23 | 23 | |
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24 | 24 | from __future__ import with_statement |
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25 | 25 | |
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26 | 26 | import json |
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27 | 27 | import os |
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28 | 28 | import socket |
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29 | 29 | import stat |
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30 | 30 | import sys |
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31 | 31 | |
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32 | 32 | from multiprocessing import Process |
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33 | 33 | |
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34 | 34 | import zmq |
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35 | 35 | from zmq.devices import ProcessMonitoredQueue |
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36 | 36 | from zmq.log.handlers import PUBHandler |
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37 | 37 | |
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38 | 38 | from IPython.core.profiledir import ProfileDir |
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39 | 39 | |
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40 | 40 | from IPython.parallel.apps.baseapp import ( |
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41 | 41 | BaseParallelApplication, |
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42 | 42 | base_aliases, |
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43 | 43 | base_flags, |
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44 | 44 | catch_config_error, |
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45 | 45 | ) |
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46 | 46 | from IPython.utils.importstring import import_item |
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47 | 47 | from IPython.utils.traitlets import Instance, Unicode, Bool, List, Dict, TraitError |
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48 | 48 | |
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49 | 49 | from IPython.zmq.session import ( |
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50 | 50 | Session, session_aliases, session_flags, default_secure |
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51 | 51 | ) |
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52 | 52 | |
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53 | 53 | from IPython.parallel.controller.heartmonitor import HeartMonitor |
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54 | 54 | from IPython.parallel.controller.hub import HubFactory |
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55 | 55 | from IPython.parallel.controller.scheduler import TaskScheduler,launch_scheduler |
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56 | 56 | from IPython.parallel.controller.sqlitedb import SQLiteDB |
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57 | 57 | |
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58 |
from IPython.parallel.util import signal_children, split_url, |
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58 | from IPython.parallel.util import signal_children, split_url, disambiguate_url | |
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59 | 59 | |
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60 | 60 | # conditional import of MongoDB backend class |
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61 | 61 | |
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62 | 62 | try: |
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63 | 63 | from IPython.parallel.controller.mongodb import MongoDB |
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64 | 64 | except ImportError: |
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65 | 65 | maybe_mongo = [] |
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66 | 66 | else: |
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67 | 67 | maybe_mongo = [MongoDB] |
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68 | 68 | |
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69 | 69 | |
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70 | 70 | #----------------------------------------------------------------------------- |
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71 | 71 | # Module level variables |
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72 | 72 | #----------------------------------------------------------------------------- |
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73 | 73 | |
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74 | 74 | |
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75 | 75 | #: The default config file name for this application |
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76 | 76 | default_config_file_name = u'ipcontroller_config.py' |
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77 | 77 | |
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78 | 78 | |
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79 | 79 | _description = """Start the IPython controller for parallel computing. |
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80 | 80 | |
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81 | 81 | The IPython controller provides a gateway between the IPython engines and |
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82 | 82 | clients. The controller needs to be started before the engines and can be |
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83 | 83 | configured using command line options or using a cluster directory. Cluster |
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84 | 84 | directories contain config, log and security files and are usually located in |
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85 | 85 | your ipython directory and named as "profile_name". See the `profile` |
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86 | 86 | and `profile-dir` options for details. |
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87 | 87 | """ |
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88 | 88 | |
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89 | 89 | _examples = """ |
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90 | 90 | ipcontroller --ip=192.168.0.1 --port=1000 # listen on ip, port for engines |
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91 | 91 | ipcontroller --scheme=pure # use the pure zeromq scheduler |
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92 | 92 | """ |
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93 | 93 | |
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94 | 94 | |
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95 | 95 | #----------------------------------------------------------------------------- |
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96 | 96 | # The main application |
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97 | 97 | #----------------------------------------------------------------------------- |
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98 | 98 | flags = {} |
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99 | 99 | flags.update(base_flags) |
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100 | 100 | flags.update({ |
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101 | 101 | 'usethreads' : ( {'IPControllerApp' : {'use_threads' : True}}, |
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102 | 102 | 'Use threads instead of processes for the schedulers'), |
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103 | 103 | 'sqlitedb' : ({'HubFactory' : {'db_class' : 'IPython.parallel.controller.sqlitedb.SQLiteDB'}}, |
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104 | 104 | 'use the SQLiteDB backend'), |
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105 | 105 | 'mongodb' : ({'HubFactory' : {'db_class' : 'IPython.parallel.controller.mongodb.MongoDB'}}, |
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106 | 106 | 'use the MongoDB backend'), |
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107 | 107 | 'dictdb' : ({'HubFactory' : {'db_class' : 'IPython.parallel.controller.dictdb.DictDB'}}, |
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108 | 108 | 'use the in-memory DictDB backend'), |
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109 | 109 | 'reuse' : ({'IPControllerApp' : {'reuse_files' : True}}, |
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110 | 110 | 'reuse existing json connection files') |
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111 | 111 | }) |
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112 | 112 | |
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113 | 113 | flags.update(session_flags) |
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114 | 114 | |
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115 | 115 | aliases = dict( |
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116 | 116 | ssh = 'IPControllerApp.ssh_server', |
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117 | 117 | enginessh = 'IPControllerApp.engine_ssh_server', |
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118 | 118 | location = 'IPControllerApp.location', |
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119 | 119 | |
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120 | 120 | url = 'HubFactory.url', |
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121 | 121 | ip = 'HubFactory.ip', |
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122 | 122 | transport = 'HubFactory.transport', |
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123 | 123 | port = 'HubFactory.regport', |
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124 | 124 | |
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125 | 125 | ping = 'HeartMonitor.period', |
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126 | 126 | |
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127 | 127 | scheme = 'TaskScheduler.scheme_name', |
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128 | 128 | hwm = 'TaskScheduler.hwm', |
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129 | 129 | ) |
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130 | 130 | aliases.update(base_aliases) |
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131 | 131 | aliases.update(session_aliases) |
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132 | 132 | |
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133 | 133 | |
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134 | 134 | class IPControllerApp(BaseParallelApplication): |
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135 | 135 | |
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136 | 136 | name = u'ipcontroller' |
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137 | 137 | description = _description |
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138 | 138 | examples = _examples |
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139 | 139 | config_file_name = Unicode(default_config_file_name) |
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140 | 140 | classes = [ProfileDir, Session, HubFactory, TaskScheduler, HeartMonitor, SQLiteDB] + maybe_mongo |
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141 | 141 | |
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142 | 142 | # change default to True |
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143 | 143 | auto_create = Bool(True, config=True, |
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144 | 144 | help="""Whether to create profile dir if it doesn't exist.""") |
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145 | 145 | |
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146 | 146 | reuse_files = Bool(False, config=True, |
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147 | 147 | help='Whether to reuse existing json connection files.' |
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148 | 148 | ) |
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149 | 149 | ssh_server = Unicode(u'', config=True, |
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150 | 150 | help="""ssh url for clients to use when connecting to the Controller |
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151 | 151 | processes. It should be of the form: [user@]server[:port]. The |
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152 | 152 | Controller's listening addresses must be accessible from the ssh server""", |
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153 | 153 | ) |
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154 | 154 | engine_ssh_server = Unicode(u'', config=True, |
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155 | 155 | help="""ssh url for engines to use when connecting to the Controller |
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156 | 156 | processes. It should be of the form: [user@]server[:port]. The |
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157 | 157 | Controller's listening addresses must be accessible from the ssh server""", |
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158 | 158 | ) |
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159 | 159 | location = Unicode(u'', config=True, |
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160 | 160 | help="""The external IP or domain name of the Controller, used for disambiguating |
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161 | 161 | engine and client connections.""", |
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162 | 162 | ) |
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163 | 163 | import_statements = List([], config=True, |
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164 | 164 | help="import statements to be run at startup. Necessary in some environments" |
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165 | 165 | ) |
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166 | 166 | |
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167 | 167 | use_threads = Bool(False, config=True, |
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168 | 168 | help='Use threads instead of processes for the schedulers', |
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169 | 169 | ) |
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170 | 170 | |
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171 | 171 | engine_json_file = Unicode('ipcontroller-engine.json', config=True, |
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172 | 172 | help="JSON filename where engine connection info will be stored.") |
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173 | 173 | client_json_file = Unicode('ipcontroller-client.json', config=True, |
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174 | 174 | help="JSON filename where client connection info will be stored.") |
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175 | 175 | |
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176 | 176 | def _cluster_id_changed(self, name, old, new): |
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177 | 177 | super(IPControllerApp, self)._cluster_id_changed(name, old, new) |
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178 | 178 | self.engine_json_file = "%s-engine.json" % self.name |
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179 | 179 | self.client_json_file = "%s-client.json" % self.name |
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180 | 180 | |
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181 | 181 | |
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182 | 182 | # internal |
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183 | 183 | children = List() |
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184 | 184 | mq_class = Unicode('zmq.devices.ProcessMonitoredQueue') |
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185 | 185 | |
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186 | 186 | def _use_threads_changed(self, name, old, new): |
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187 | 187 | self.mq_class = 'zmq.devices.%sMonitoredQueue'%('Thread' if new else 'Process') |
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188 | 188 | |
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189 | 189 | aliases = Dict(aliases) |
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190 | 190 | flags = Dict(flags) |
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191 | 191 | |
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192 | 192 | |
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193 | 193 | def save_connection_dict(self, fname, cdict): |
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194 | 194 | """save a connection dict to json file.""" |
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195 | 195 | c = self.config |
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196 | 196 | url = cdict['url'] |
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197 | 197 | location = cdict['location'] |
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198 | 198 | if not location: |
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199 | 199 | try: |
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200 | 200 | proto,ip,port = split_url(url) |
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201 | 201 | except AssertionError: |
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202 | 202 | pass |
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203 | 203 | else: |
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204 | 204 | try: |
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205 | 205 | location = socket.gethostbyname_ex(socket.gethostname())[2][-1] |
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206 | 206 | except (socket.gaierror, IndexError): |
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207 | 207 | self.log.warn("Could not identify this machine's IP, assuming 127.0.0.1." |
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208 | 208 | " You may need to specify '--location=<external_ip_address>' to help" |
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209 | 209 | " IPython decide when to connect via loopback.") |
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210 | 210 | location = '127.0.0.1' |
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211 | 211 | cdict['location'] = location |
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212 | 212 | fname = os.path.join(self.profile_dir.security_dir, fname) |
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213 | 213 | self.log.info("writing connection info to %s", fname) |
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214 | 214 | with open(fname, 'w') as f: |
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215 | 215 | f.write(json.dumps(cdict, indent=2)) |
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216 | 216 | os.chmod(fname, stat.S_IRUSR|stat.S_IWUSR) |
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217 | 217 | |
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218 | 218 | def load_config_from_json(self): |
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219 | 219 | """load config from existing json connector files.""" |
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220 | 220 | c = self.config |
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221 | 221 | self.log.debug("loading config from JSON") |
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222 | 222 | # load from engine config |
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223 | 223 | fname = os.path.join(self.profile_dir.security_dir, self.engine_json_file) |
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224 | 224 | self.log.info("loading connection info from %s", fname) |
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225 | 225 | with open(fname) as f: |
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226 | 226 | cfg = json.loads(f.read()) |
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227 |
key = |
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227 | key = cfg['exec_key'] | |
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228 | # json gives unicode, Session.key wants bytes | |
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229 | c.Session.key = key.encode('ascii') | |
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228 | 230 | xport,addr = cfg['url'].split('://') |
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229 | 231 | c.HubFactory.engine_transport = xport |
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230 | 232 | ip,ports = addr.split(':') |
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231 | 233 | c.HubFactory.engine_ip = ip |
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232 | 234 | c.HubFactory.regport = int(ports) |
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233 | 235 | self.location = cfg['location'] |
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234 | 236 | if not self.engine_ssh_server: |
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235 | 237 | self.engine_ssh_server = cfg['ssh'] |
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236 | 238 | # load client config |
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237 | 239 | fname = os.path.join(self.profile_dir.security_dir, self.client_json_file) |
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238 | 240 | self.log.info("loading connection info from %s", fname) |
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239 | 241 | with open(fname) as f: |
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240 | 242 | cfg = json.loads(f.read()) |
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241 | 243 | assert key == cfg['exec_key'], "exec_key mismatch between engine and client keys" |
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242 | 244 | xport,addr = cfg['url'].split('://') |
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243 | 245 | c.HubFactory.client_transport = xport |
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244 | 246 | ip,ports = addr.split(':') |
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245 | 247 | c.HubFactory.client_ip = ip |
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246 | 248 | if not self.ssh_server: |
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247 | 249 | self.ssh_server = cfg['ssh'] |
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248 | 250 | assert int(ports) == c.HubFactory.regport, "regport mismatch" |
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249 | 251 | |
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250 | 252 | def load_secondary_config(self): |
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251 | 253 | """secondary config, loading from JSON and setting defaults""" |
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252 | 254 | if self.reuse_files: |
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253 | 255 | try: |
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254 | 256 | self.load_config_from_json() |
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255 | 257 | except (AssertionError,IOError) as e: |
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256 | 258 | self.log.error("Could not load config from JSON: %s" % e) |
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257 | 259 | self.reuse_files=False |
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258 | 260 | # switch Session.key default to secure |
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259 | 261 | default_secure(self.config) |
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260 | 262 | self.log.debug("Config changed") |
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261 | 263 | self.log.debug(repr(self.config)) |
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262 | 264 | |
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263 | 265 | def init_hub(self): |
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264 | 266 | c = self.config |
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265 | 267 | |
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266 | 268 | self.do_import_statements() |
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267 | 269 | |
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268 | 270 | try: |
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269 | 271 | self.factory = HubFactory(config=c, log=self.log) |
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270 | 272 | # self.start_logging() |
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271 | 273 | self.factory.init_hub() |
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272 | 274 | except TraitError: |
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273 | 275 | raise |
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274 | 276 | except Exception: |
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275 | 277 | self.log.error("Couldn't construct the Controller", exc_info=True) |
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276 | 278 | self.exit(1) |
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277 | 279 | |
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278 | 280 | if not self.reuse_files: |
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279 | 281 | # save to new json config files |
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280 | 282 | f = self.factory |
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281 | 283 | cdict = {'exec_key' : f.session.key.decode('ascii'), |
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282 | 284 | 'ssh' : self.ssh_server, |
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283 | 285 | 'url' : "%s://%s:%s"%(f.client_transport, f.client_ip, f.regport), |
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284 | 286 | 'location' : self.location |
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285 | 287 | } |
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286 | 288 | self.save_connection_dict(self.client_json_file, cdict) |
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287 | 289 | edict = cdict |
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288 | 290 | edict['url']="%s://%s:%s"%((f.client_transport, f.client_ip, f.regport)) |
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289 | 291 | edict['ssh'] = self.engine_ssh_server |
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290 | 292 | self.save_connection_dict(self.engine_json_file, edict) |
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291 | 293 | |
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292 | 294 | # |
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293 | 295 | def init_schedulers(self): |
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294 | 296 | children = self.children |
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295 | 297 | mq = import_item(str(self.mq_class)) |
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296 | 298 | |
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297 | 299 | hub = self.factory |
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298 | 300 | # disambiguate url, in case of * |
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299 | 301 | monitor_url = disambiguate_url(hub.monitor_url) |
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300 | 302 | # maybe_inproc = 'inproc://monitor' if self.use_threads else monitor_url |
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301 | 303 | # IOPub relay (in a Process) |
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302 | 304 | q = mq(zmq.PUB, zmq.SUB, zmq.PUB, b'N/A',b'iopub') |
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303 | 305 | q.bind_in(hub.client_info['iopub']) |
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304 | 306 | q.bind_out(hub.engine_info['iopub']) |
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305 | 307 | q.setsockopt_out(zmq.SUBSCRIBE, b'') |
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306 | 308 | q.connect_mon(monitor_url) |
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307 | 309 | q.daemon=True |
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308 | 310 | children.append(q) |
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309 | 311 | |
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310 | 312 | # Multiplexer Queue (in a Process) |
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311 | 313 | q = mq(zmq.ROUTER, zmq.ROUTER, zmq.PUB, b'in', b'out') |
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312 | 314 | q.bind_in(hub.client_info['mux']) |
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313 | 315 | q.setsockopt_in(zmq.IDENTITY, b'mux') |
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314 | 316 | q.bind_out(hub.engine_info['mux']) |
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315 | 317 | q.connect_mon(monitor_url) |
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316 | 318 | q.daemon=True |
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317 | 319 | children.append(q) |
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318 | 320 | |
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319 | 321 | # Control Queue (in a Process) |
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320 | 322 | q = mq(zmq.ROUTER, zmq.ROUTER, zmq.PUB, b'incontrol', b'outcontrol') |
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321 | 323 | q.bind_in(hub.client_info['control']) |
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322 | 324 | q.setsockopt_in(zmq.IDENTITY, b'control') |
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323 | 325 | q.bind_out(hub.engine_info['control']) |
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324 | 326 | q.connect_mon(monitor_url) |
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325 | 327 | q.daemon=True |
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326 | 328 | children.append(q) |
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327 | 329 | try: |
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328 | 330 | scheme = self.config.TaskScheduler.scheme_name |
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329 | 331 | except AttributeError: |
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330 | 332 | scheme = TaskScheduler.scheme_name.get_default_value() |
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331 | 333 | # Task Queue (in a Process) |
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332 | 334 | if scheme == 'pure': |
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333 | 335 | self.log.warn("task::using pure XREQ Task scheduler") |
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334 | 336 | q = mq(zmq.ROUTER, zmq.DEALER, zmq.PUB, b'intask', b'outtask') |
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335 | 337 | # q.setsockopt_out(zmq.HWM, hub.hwm) |
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336 | 338 | q.bind_in(hub.client_info['task'][1]) |
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337 | 339 | q.setsockopt_in(zmq.IDENTITY, b'task') |
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338 | 340 | q.bind_out(hub.engine_info['task']) |
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339 | 341 | q.connect_mon(monitor_url) |
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340 | 342 | q.daemon=True |
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341 | 343 | children.append(q) |
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342 | 344 | elif scheme == 'none': |
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343 | 345 | self.log.warn("task::using no Task scheduler") |
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344 | 346 | |
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345 | 347 | else: |
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346 | 348 | self.log.info("task::using Python %s Task scheduler"%scheme) |
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347 | 349 | sargs = (hub.client_info['task'][1], hub.engine_info['task'], |
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348 | 350 | monitor_url, disambiguate_url(hub.client_info['notification'])) |
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349 | 351 | kwargs = dict(logname='scheduler', loglevel=self.log_level, |
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350 | 352 | log_url = self.log_url, config=dict(self.config)) |
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351 | 353 | if 'Process' in self.mq_class: |
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352 | 354 | # run the Python scheduler in a Process |
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353 | 355 | q = Process(target=launch_scheduler, args=sargs, kwargs=kwargs) |
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354 | 356 | q.daemon=True |
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355 | 357 | children.append(q) |
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356 | 358 | else: |
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357 | 359 | # single-threaded Controller |
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358 | 360 | kwargs['in_thread'] = True |
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359 | 361 | launch_scheduler(*sargs, **kwargs) |
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360 | 362 | |
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361 | 363 | |
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362 | 364 | def save_urls(self): |
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363 | 365 | """save the registration urls to files.""" |
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364 | 366 | c = self.config |
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365 | 367 | |
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366 | 368 | sec_dir = self.profile_dir.security_dir |
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367 | 369 | cf = self.factory |
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368 | 370 | |
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369 | 371 | with open(os.path.join(sec_dir, 'ipcontroller-engine.url'), 'w') as f: |
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370 | 372 | f.write("%s://%s:%s"%(cf.engine_transport, cf.engine_ip, cf.regport)) |
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371 | 373 | |
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372 | 374 | with open(os.path.join(sec_dir, 'ipcontroller-client.url'), 'w') as f: |
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373 | 375 | f.write("%s://%s:%s"%(cf.client_transport, cf.client_ip, cf.regport)) |
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374 | 376 | |
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375 | 377 | |
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376 | 378 | def do_import_statements(self): |
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377 | 379 | statements = self.import_statements |
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378 | 380 | for s in statements: |
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379 | 381 | try: |
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380 | 382 | self.log.msg("Executing statement: '%s'" % s) |
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381 | 383 | exec s in globals(), locals() |
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382 | 384 | except: |
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383 | 385 | self.log.msg("Error running statement: %s" % s) |
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384 | 386 | |
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385 | 387 | def forward_logging(self): |
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386 | 388 | if self.log_url: |
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387 | 389 | self.log.info("Forwarding logging to %s"%self.log_url) |
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388 | 390 | context = zmq.Context.instance() |
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389 | 391 | lsock = context.socket(zmq.PUB) |
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390 | 392 | lsock.connect(self.log_url) |
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391 | 393 | handler = PUBHandler(lsock) |
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392 | 394 | self.log.removeHandler(self._log_handler) |
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393 | 395 | handler.root_topic = 'controller' |
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394 | 396 | handler.setLevel(self.log_level) |
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395 | 397 | self.log.addHandler(handler) |
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396 | 398 | self._log_handler = handler |
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397 | 399 | |
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398 | 400 | @catch_config_error |
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399 | 401 | def initialize(self, argv=None): |
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400 | 402 | super(IPControllerApp, self).initialize(argv) |
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401 | 403 | self.forward_logging() |
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402 | 404 | self.load_secondary_config() |
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403 | 405 | self.init_hub() |
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404 | 406 | self.init_schedulers() |
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405 | 407 | |
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406 | 408 | def start(self): |
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407 | 409 | # Start the subprocesses: |
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408 | 410 | self.factory.start() |
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409 | 411 | child_procs = [] |
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410 | 412 | for child in self.children: |
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411 | 413 | child.start() |
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412 | 414 | if isinstance(child, ProcessMonitoredQueue): |
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413 | 415 | child_procs.append(child.launcher) |
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414 | 416 | elif isinstance(child, Process): |
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415 | 417 | child_procs.append(child) |
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416 | 418 | if child_procs: |
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417 | 419 | signal_children(child_procs) |
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418 | 420 | |
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419 | 421 | self.write_pid_file(overwrite=True) |
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420 | 422 | |
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421 | 423 | try: |
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422 | 424 | self.factory.loop.start() |
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423 | 425 | except KeyboardInterrupt: |
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424 | 426 | self.log.critical("Interrupted, Exiting...\n") |
|
425 | 427 | |
|
426 | 428 | |
|
427 | 429 | |
|
428 | 430 | def launch_new_instance(): |
|
429 | 431 | """Create and run the IPython controller""" |
|
430 | 432 | if sys.platform == 'win32': |
|
431 | 433 | # make sure we don't get called from a multiprocessing subprocess |
|
432 | 434 | # this can result in infinite Controllers being started on Windows |
|
433 | 435 | # which doesn't have a proper fork, so multiprocessing is wonky |
|
434 | 436 | |
|
435 | 437 | # this only comes up when IPython has been installed using vanilla |
|
436 | 438 | # setuptools, and *not* distribute. |
|
437 | 439 | import multiprocessing |
|
438 | 440 | p = multiprocessing.current_process() |
|
439 | 441 | # the main process has name 'MainProcess' |
|
440 | 442 | # subprocesses will have names like 'Process-1' |
|
441 | 443 | if p.name != 'MainProcess': |
|
442 | 444 | # we are a subprocess, don't start another Controller! |
|
443 | 445 | return |
|
444 | 446 | app = IPControllerApp.instance() |
|
445 | 447 | app.initialize() |
|
446 | 448 | app.start() |
|
447 | 449 | |
|
448 | 450 | |
|
449 | 451 | if __name__ == '__main__': |
|
450 | 452 | launch_new_instance() |
@@ -1,1290 +1,1290 b'' | |||
|
1 | 1 | """The IPython Controller Hub with 0MQ |
|
2 | 2 | This is the master object that handles connections from engines and clients, |
|
3 | 3 | and monitors traffic through the various queues. |
|
4 | 4 | |
|
5 | 5 | Authors: |
|
6 | 6 | |
|
7 | 7 | * Min RK |
|
8 | 8 | """ |
|
9 | 9 | #----------------------------------------------------------------------------- |
|
10 | 10 | # Copyright (C) 2010-2011 The IPython Development Team |
|
11 | 11 | # |
|
12 | 12 | # Distributed under the terms of the BSD License. The full license is in |
|
13 | 13 | # the file COPYING, distributed as part of this software. |
|
14 | 14 | #----------------------------------------------------------------------------- |
|
15 | 15 | |
|
16 | 16 | #----------------------------------------------------------------------------- |
|
17 | 17 | # Imports |
|
18 | 18 | #----------------------------------------------------------------------------- |
|
19 | 19 | from __future__ import print_function |
|
20 | 20 | |
|
21 | 21 | import sys |
|
22 | 22 | import time |
|
23 | 23 | from datetime import datetime |
|
24 | 24 | |
|
25 | 25 | import zmq |
|
26 | 26 | from zmq.eventloop import ioloop |
|
27 | 27 | from zmq.eventloop.zmqstream import ZMQStream |
|
28 | 28 | |
|
29 | 29 | # internal: |
|
30 | 30 | from IPython.utils.importstring import import_item |
|
31 | 31 | from IPython.utils.traitlets import ( |
|
32 | 32 | HasTraits, Instance, Integer, Unicode, Dict, Set, Tuple, CBytes, DottedObjectName |
|
33 | 33 | ) |
|
34 | 34 | |
|
35 | 35 | from IPython.parallel import error, util |
|
36 | 36 | from IPython.parallel.factory import RegistrationFactory |
|
37 | 37 | |
|
38 | 38 | from IPython.zmq.session import SessionFactory |
|
39 | 39 | |
|
40 | 40 | from .heartmonitor import HeartMonitor |
|
41 | 41 | |
|
42 | 42 | #----------------------------------------------------------------------------- |
|
43 | 43 | # Code |
|
44 | 44 | #----------------------------------------------------------------------------- |
|
45 | 45 | |
|
46 | 46 | def _passer(*args, **kwargs): |
|
47 | 47 | return |
|
48 | 48 | |
|
49 | 49 | def _printer(*args, **kwargs): |
|
50 | 50 | print (args) |
|
51 | 51 | print (kwargs) |
|
52 | 52 | |
|
53 | 53 | def empty_record(): |
|
54 | 54 | """Return an empty dict with all record keys.""" |
|
55 | 55 | return { |
|
56 | 56 | 'msg_id' : None, |
|
57 | 57 | 'header' : None, |
|
58 | 58 | 'content': None, |
|
59 | 59 | 'buffers': None, |
|
60 | 60 | 'submitted': None, |
|
61 | 61 | 'client_uuid' : None, |
|
62 | 62 | 'engine_uuid' : None, |
|
63 | 63 | 'started': None, |
|
64 | 64 | 'completed': None, |
|
65 | 65 | 'resubmitted': None, |
|
66 | 66 | 'result_header' : None, |
|
67 | 67 | 'result_content' : None, |
|
68 | 68 | 'result_buffers' : None, |
|
69 | 69 | 'queue' : None, |
|
70 | 70 | 'pyin' : None, |
|
71 | 71 | 'pyout': None, |
|
72 | 72 | 'pyerr': None, |
|
73 | 73 | 'stdout': '', |
|
74 | 74 | 'stderr': '', |
|
75 | 75 | } |
|
76 | 76 | |
|
77 | 77 | def init_record(msg): |
|
78 | 78 | """Initialize a TaskRecord based on a request.""" |
|
79 | 79 | header = msg['header'] |
|
80 | 80 | return { |
|
81 | 81 | 'msg_id' : header['msg_id'], |
|
82 | 82 | 'header' : header, |
|
83 | 83 | 'content': msg['content'], |
|
84 | 84 | 'buffers': msg['buffers'], |
|
85 | 85 | 'submitted': header['date'], |
|
86 | 86 | 'client_uuid' : None, |
|
87 | 87 | 'engine_uuid' : None, |
|
88 | 88 | 'started': None, |
|
89 | 89 | 'completed': None, |
|
90 | 90 | 'resubmitted': None, |
|
91 | 91 | 'result_header' : None, |
|
92 | 92 | 'result_content' : None, |
|
93 | 93 | 'result_buffers' : None, |
|
94 | 94 | 'queue' : None, |
|
95 | 95 | 'pyin' : None, |
|
96 | 96 | 'pyout': None, |
|
97 | 97 | 'pyerr': None, |
|
98 | 98 | 'stdout': '', |
|
99 | 99 | 'stderr': '', |
|
100 | 100 | } |
|
101 | 101 | |
|
102 | 102 | |
|
103 | 103 | class EngineConnector(HasTraits): |
|
104 | 104 | """A simple object for accessing the various zmq connections of an object. |
|
105 | 105 | Attributes are: |
|
106 | 106 | id (int): engine ID |
|
107 | 107 | uuid (str): uuid (unused?) |
|
108 | 108 | queue (str): identity of queue's XREQ socket |
|
109 | 109 | registration (str): identity of registration XREQ socket |
|
110 | 110 | heartbeat (str): identity of heartbeat XREQ socket |
|
111 | 111 | """ |
|
112 | 112 | id=Integer(0) |
|
113 | 113 | queue=CBytes() |
|
114 | 114 | control=CBytes() |
|
115 | 115 | registration=CBytes() |
|
116 | 116 | heartbeat=CBytes() |
|
117 | 117 | pending=Set() |
|
118 | 118 | |
|
119 | 119 | class HubFactory(RegistrationFactory): |
|
120 | 120 | """The Configurable for setting up a Hub.""" |
|
121 | 121 | |
|
122 | 122 | # port-pairs for monitoredqueues: |
|
123 | 123 | hb = Tuple(Integer,Integer,config=True, |
|
124 | 124 | help="""XREQ/SUB Port pair for Engine heartbeats""") |
|
125 | 125 | def _hb_default(self): |
|
126 | 126 | return tuple(util.select_random_ports(2)) |
|
127 | 127 | |
|
128 | 128 | mux = Tuple(Integer,Integer,config=True, |
|
129 | 129 | help="""Engine/Client Port pair for MUX queue""") |
|
130 | 130 | |
|
131 | 131 | def _mux_default(self): |
|
132 | 132 | return tuple(util.select_random_ports(2)) |
|
133 | 133 | |
|
134 | 134 | task = Tuple(Integer,Integer,config=True, |
|
135 | 135 | help="""Engine/Client Port pair for Task queue""") |
|
136 | 136 | def _task_default(self): |
|
137 | 137 | return tuple(util.select_random_ports(2)) |
|
138 | 138 | |
|
139 | 139 | control = Tuple(Integer,Integer,config=True, |
|
140 | 140 | help="""Engine/Client Port pair for Control queue""") |
|
141 | 141 | |
|
142 | 142 | def _control_default(self): |
|
143 | 143 | return tuple(util.select_random_ports(2)) |
|
144 | 144 | |
|
145 | 145 | iopub = Tuple(Integer,Integer,config=True, |
|
146 | 146 | help="""Engine/Client Port pair for IOPub relay""") |
|
147 | 147 | |
|
148 | 148 | def _iopub_default(self): |
|
149 | 149 | return tuple(util.select_random_ports(2)) |
|
150 | 150 | |
|
151 | 151 | # single ports: |
|
152 | 152 | mon_port = Integer(config=True, |
|
153 | 153 | help="""Monitor (SUB) port for queue traffic""") |
|
154 | 154 | |
|
155 | 155 | def _mon_port_default(self): |
|
156 | 156 | return util.select_random_ports(1)[0] |
|
157 | 157 | |
|
158 | 158 | notifier_port = Integer(config=True, |
|
159 | 159 | help="""PUB port for sending engine status notifications""") |
|
160 | 160 | |
|
161 | 161 | def _notifier_port_default(self): |
|
162 | 162 | return util.select_random_ports(1)[0] |
|
163 | 163 | |
|
164 | 164 | engine_ip = Unicode('127.0.0.1', config=True, |
|
165 | 165 | help="IP on which to listen for engine connections. [default: loopback]") |
|
166 | 166 | engine_transport = Unicode('tcp', config=True, |
|
167 | 167 | help="0MQ transport for engine connections. [default: tcp]") |
|
168 | 168 | |
|
169 | 169 | client_ip = Unicode('127.0.0.1', config=True, |
|
170 | 170 | help="IP on which to listen for client connections. [default: loopback]") |
|
171 | 171 | client_transport = Unicode('tcp', config=True, |
|
172 | 172 | help="0MQ transport for client connections. [default : tcp]") |
|
173 | 173 | |
|
174 | 174 | monitor_ip = Unicode('127.0.0.1', config=True, |
|
175 | 175 | help="IP on which to listen for monitor messages. [default: loopback]") |
|
176 | 176 | monitor_transport = Unicode('tcp', config=True, |
|
177 | 177 | help="0MQ transport for monitor messages. [default : tcp]") |
|
178 | 178 | |
|
179 | 179 | monitor_url = Unicode('') |
|
180 | 180 | |
|
181 | 181 | db_class = DottedObjectName('IPython.parallel.controller.dictdb.DictDB', |
|
182 | 182 | config=True, help="""The class to use for the DB backend""") |
|
183 | 183 | |
|
184 | 184 | # not configurable |
|
185 | 185 | db = Instance('IPython.parallel.controller.dictdb.BaseDB') |
|
186 | 186 | heartmonitor = Instance('IPython.parallel.controller.heartmonitor.HeartMonitor') |
|
187 | 187 | |
|
188 | 188 | def _ip_changed(self, name, old, new): |
|
189 | 189 | self.engine_ip = new |
|
190 | 190 | self.client_ip = new |
|
191 | 191 | self.monitor_ip = new |
|
192 | 192 | self._update_monitor_url() |
|
193 | 193 | |
|
194 | 194 | def _update_monitor_url(self): |
|
195 | 195 | self.monitor_url = "%s://%s:%i"%(self.monitor_transport, self.monitor_ip, self.mon_port) |
|
196 | 196 | |
|
197 | 197 | def _transport_changed(self, name, old, new): |
|
198 | 198 | self.engine_transport = new |
|
199 | 199 | self.client_transport = new |
|
200 | 200 | self.monitor_transport = new |
|
201 | 201 | self._update_monitor_url() |
|
202 | 202 | |
|
203 | 203 | def __init__(self, **kwargs): |
|
204 | 204 | super(HubFactory, self).__init__(**kwargs) |
|
205 | 205 | self._update_monitor_url() |
|
206 | 206 | |
|
207 | 207 | |
|
208 | 208 | def construct(self): |
|
209 | 209 | self.init_hub() |
|
210 | 210 | |
|
211 | 211 | def start(self): |
|
212 | 212 | self.heartmonitor.start() |
|
213 | 213 | self.log.info("Heartmonitor started") |
|
214 | 214 | |
|
215 | 215 | def init_hub(self): |
|
216 | 216 | """construct""" |
|
217 | 217 | client_iface = "%s://%s:"%(self.client_transport, self.client_ip) + "%i" |
|
218 | 218 | engine_iface = "%s://%s:"%(self.engine_transport, self.engine_ip) + "%i" |
|
219 | 219 | |
|
220 | 220 | ctx = self.context |
|
221 | 221 | loop = self.loop |
|
222 | 222 | |
|
223 | 223 | # Registrar socket |
|
224 | 224 | q = ZMQStream(ctx.socket(zmq.ROUTER), loop) |
|
225 | 225 | q.bind(client_iface % self.regport) |
|
226 | 226 | self.log.info("Hub listening on %s for registration."%(client_iface%self.regport)) |
|
227 | 227 | if self.client_ip != self.engine_ip: |
|
228 | 228 | q.bind(engine_iface % self.regport) |
|
229 | 229 | self.log.info("Hub listening on %s for registration."%(engine_iface%self.regport)) |
|
230 | 230 | |
|
231 | 231 | ### Engine connections ### |
|
232 | 232 | |
|
233 | 233 | # heartbeat |
|
234 | 234 | hpub = ctx.socket(zmq.PUB) |
|
235 | 235 | hpub.bind(engine_iface % self.hb[0]) |
|
236 | 236 | hrep = ctx.socket(zmq.ROUTER) |
|
237 | 237 | hrep.bind(engine_iface % self.hb[1]) |
|
238 | 238 | self.heartmonitor = HeartMonitor(loop=loop, config=self.config, log=self.log, |
|
239 | 239 | pingstream=ZMQStream(hpub,loop), |
|
240 | 240 | pongstream=ZMQStream(hrep,loop) |
|
241 | 241 | ) |
|
242 | 242 | |
|
243 | 243 | ### Client connections ### |
|
244 | 244 | # Notifier socket |
|
245 | 245 | n = ZMQStream(ctx.socket(zmq.PUB), loop) |
|
246 | 246 | n.bind(client_iface%self.notifier_port) |
|
247 | 247 | |
|
248 | 248 | ### build and launch the queues ### |
|
249 | 249 | |
|
250 | 250 | # monitor socket |
|
251 | 251 | sub = ctx.socket(zmq.SUB) |
|
252 | 252 | sub.setsockopt(zmq.SUBSCRIBE, b"") |
|
253 | 253 | sub.bind(self.monitor_url) |
|
254 | 254 | sub.bind('inproc://monitor') |
|
255 | 255 | sub = ZMQStream(sub, loop) |
|
256 | 256 | |
|
257 | 257 | # connect the db |
|
258 | 258 | self.log.info('Hub using DB backend: %r'%(self.db_class.split()[-1])) |
|
259 | 259 | # cdir = self.config.Global.cluster_dir |
|
260 | 260 | self.db = import_item(str(self.db_class))(session=self.session.session, |
|
261 | 261 | config=self.config, log=self.log) |
|
262 | 262 | time.sleep(.25) |
|
263 | 263 | try: |
|
264 | 264 | scheme = self.config.TaskScheduler.scheme_name |
|
265 | 265 | except AttributeError: |
|
266 | 266 | from .scheduler import TaskScheduler |
|
267 | 267 | scheme = TaskScheduler.scheme_name.get_default_value() |
|
268 | 268 | # build connection dicts |
|
269 | 269 | self.engine_info = { |
|
270 | 270 | 'control' : engine_iface%self.control[1], |
|
271 | 271 | 'mux': engine_iface%self.mux[1], |
|
272 | 272 | 'heartbeat': (engine_iface%self.hb[0], engine_iface%self.hb[1]), |
|
273 | 273 | 'task' : engine_iface%self.task[1], |
|
274 | 274 | 'iopub' : engine_iface%self.iopub[1], |
|
275 | 275 | # 'monitor' : engine_iface%self.mon_port, |
|
276 | 276 | } |
|
277 | 277 | |
|
278 | 278 | self.client_info = { |
|
279 | 279 | 'control' : client_iface%self.control[0], |
|
280 | 280 | 'mux': client_iface%self.mux[0], |
|
281 | 281 | 'task' : (scheme, client_iface%self.task[0]), |
|
282 | 282 | 'iopub' : client_iface%self.iopub[0], |
|
283 | 283 | 'notification': client_iface%self.notifier_port |
|
284 | 284 | } |
|
285 | 285 | self.log.debug("Hub engine addrs: %s"%self.engine_info) |
|
286 | 286 | self.log.debug("Hub client addrs: %s"%self.client_info) |
|
287 | 287 | |
|
288 | 288 | # resubmit stream |
|
289 | 289 | r = ZMQStream(ctx.socket(zmq.DEALER), loop) |
|
290 | 290 | url = util.disambiguate_url(self.client_info['task'][-1]) |
|
291 | 291 | r.setsockopt(zmq.IDENTITY, self.session.bsession) |
|
292 | 292 | r.connect(url) |
|
293 | 293 | |
|
294 | 294 | self.hub = Hub(loop=loop, session=self.session, monitor=sub, heartmonitor=self.heartmonitor, |
|
295 | 295 | query=q, notifier=n, resubmit=r, db=self.db, |
|
296 | 296 | engine_info=self.engine_info, client_info=self.client_info, |
|
297 | 297 | log=self.log) |
|
298 | 298 | |
|
299 | 299 | |
|
300 | 300 | class Hub(SessionFactory): |
|
301 | 301 | """The IPython Controller Hub with 0MQ connections |
|
302 | 302 | |
|
303 | 303 | Parameters |
|
304 | 304 | ========== |
|
305 | 305 | loop: zmq IOLoop instance |
|
306 | 306 | session: Session object |
|
307 | 307 | <removed> context: zmq context for creating new connections (?) |
|
308 | 308 | queue: ZMQStream for monitoring the command queue (SUB) |
|
309 | 309 | query: ZMQStream for engine registration and client queries requests (XREP) |
|
310 | 310 | heartbeat: HeartMonitor object checking the pulse of the engines |
|
311 | 311 | notifier: ZMQStream for broadcasting engine registration changes (PUB) |
|
312 | 312 | db: connection to db for out of memory logging of commands |
|
313 | 313 | NotImplemented |
|
314 | 314 | engine_info: dict of zmq connection information for engines to connect |
|
315 | 315 | to the queues. |
|
316 | 316 | client_info: dict of zmq connection information for engines to connect |
|
317 | 317 | to the queues. |
|
318 | 318 | """ |
|
319 | 319 | # internal data structures: |
|
320 | 320 | ids=Set() # engine IDs |
|
321 | 321 | keytable=Dict() |
|
322 | 322 | by_ident=Dict() |
|
323 | 323 | engines=Dict() |
|
324 | 324 | clients=Dict() |
|
325 | 325 | hearts=Dict() |
|
326 | 326 | pending=Set() |
|
327 | 327 | queues=Dict() # pending msg_ids keyed by engine_id |
|
328 | 328 | tasks=Dict() # pending msg_ids submitted as tasks, keyed by client_id |
|
329 | 329 | completed=Dict() # completed msg_ids keyed by engine_id |
|
330 | 330 | all_completed=Set() # completed msg_ids keyed by engine_id |
|
331 | 331 | dead_engines=Set() # completed msg_ids keyed by engine_id |
|
332 | 332 | unassigned=Set() # set of task msg_ds not yet assigned a destination |
|
333 | 333 | incoming_registrations=Dict() |
|
334 | 334 | registration_timeout=Integer() |
|
335 | 335 | _idcounter=Integer(0) |
|
336 | 336 | |
|
337 | 337 | # objects from constructor: |
|
338 | 338 | query=Instance(ZMQStream) |
|
339 | 339 | monitor=Instance(ZMQStream) |
|
340 | 340 | notifier=Instance(ZMQStream) |
|
341 | 341 | resubmit=Instance(ZMQStream) |
|
342 | 342 | heartmonitor=Instance(HeartMonitor) |
|
343 | 343 | db=Instance(object) |
|
344 | 344 | client_info=Dict() |
|
345 | 345 | engine_info=Dict() |
|
346 | 346 | |
|
347 | 347 | |
|
348 | 348 | def __init__(self, **kwargs): |
|
349 | 349 | """ |
|
350 | 350 | # universal: |
|
351 | 351 | loop: IOLoop for creating future connections |
|
352 | 352 | session: streamsession for sending serialized data |
|
353 | 353 | # engine: |
|
354 | 354 | queue: ZMQStream for monitoring queue messages |
|
355 | 355 | query: ZMQStream for engine+client registration and client requests |
|
356 | 356 | heartbeat: HeartMonitor object for tracking engines |
|
357 | 357 | # extra: |
|
358 | 358 | db: ZMQStream for db connection (NotImplemented) |
|
359 | 359 | engine_info: zmq address/protocol dict for engine connections |
|
360 | 360 | client_info: zmq address/protocol dict for client connections |
|
361 | 361 | """ |
|
362 | 362 | |
|
363 | 363 | super(Hub, self).__init__(**kwargs) |
|
364 | 364 | self.registration_timeout = max(5000, 2*self.heartmonitor.period) |
|
365 | 365 | |
|
366 | 366 | # validate connection dicts: |
|
367 | 367 | for k,v in self.client_info.iteritems(): |
|
368 | 368 | if k == 'task': |
|
369 | 369 | util.validate_url_container(v[1]) |
|
370 | 370 | else: |
|
371 | 371 | util.validate_url_container(v) |
|
372 | 372 | # util.validate_url_container(self.client_info) |
|
373 | 373 | util.validate_url_container(self.engine_info) |
|
374 | 374 | |
|
375 | 375 | # register our callbacks |
|
376 | 376 | self.query.on_recv(self.dispatch_query) |
|
377 | 377 | self.monitor.on_recv(self.dispatch_monitor_traffic) |
|
378 | 378 | |
|
379 | 379 | self.heartmonitor.add_heart_failure_handler(self.handle_heart_failure) |
|
380 | 380 | self.heartmonitor.add_new_heart_handler(self.handle_new_heart) |
|
381 | 381 | |
|
382 | 382 | self.monitor_handlers = {b'in' : self.save_queue_request, |
|
383 | 383 | b'out': self.save_queue_result, |
|
384 | 384 | b'intask': self.save_task_request, |
|
385 | 385 | b'outtask': self.save_task_result, |
|
386 | 386 | b'tracktask': self.save_task_destination, |
|
387 | 387 | b'incontrol': _passer, |
|
388 | 388 | b'outcontrol': _passer, |
|
389 | 389 | b'iopub': self.save_iopub_message, |
|
390 | 390 | } |
|
391 | 391 | |
|
392 | 392 | self.query_handlers = {'queue_request': self.queue_status, |
|
393 | 393 | 'result_request': self.get_results, |
|
394 | 394 | 'history_request': self.get_history, |
|
395 | 395 | 'db_request': self.db_query, |
|
396 | 396 | 'purge_request': self.purge_results, |
|
397 | 397 | 'load_request': self.check_load, |
|
398 | 398 | 'resubmit_request': self.resubmit_task, |
|
399 | 399 | 'shutdown_request': self.shutdown_request, |
|
400 | 400 | 'registration_request' : self.register_engine, |
|
401 | 401 | 'unregistration_request' : self.unregister_engine, |
|
402 | 402 | 'connection_request': self.connection_request, |
|
403 | 403 | } |
|
404 | 404 | |
|
405 | 405 | # ignore resubmit replies |
|
406 | 406 | self.resubmit.on_recv(lambda msg: None, copy=False) |
|
407 | 407 | |
|
408 | 408 | self.log.info("hub::created hub") |
|
409 | 409 | |
|
410 | 410 | @property |
|
411 | 411 | def _next_id(self): |
|
412 | 412 | """gemerate a new ID. |
|
413 | 413 | |
|
414 | 414 | No longer reuse old ids, just count from 0.""" |
|
415 | 415 | newid = self._idcounter |
|
416 | 416 | self._idcounter += 1 |
|
417 | 417 | return newid |
|
418 | 418 | # newid = 0 |
|
419 | 419 | # incoming = [id[0] for id in self.incoming_registrations.itervalues()] |
|
420 | 420 | # # print newid, self.ids, self.incoming_registrations |
|
421 | 421 | # while newid in self.ids or newid in incoming: |
|
422 | 422 | # newid += 1 |
|
423 | 423 | # return newid |
|
424 | 424 | |
|
425 | 425 | #----------------------------------------------------------------------------- |
|
426 | 426 | # message validation |
|
427 | 427 | #----------------------------------------------------------------------------- |
|
428 | 428 | |
|
429 | 429 | def _validate_targets(self, targets): |
|
430 | 430 | """turn any valid targets argument into a list of integer ids""" |
|
431 | 431 | if targets is None: |
|
432 | 432 | # default to all |
|
433 | 433 | targets = self.ids |
|
434 | 434 | |
|
435 | 435 | if isinstance(targets, (int,str,unicode)): |
|
436 | 436 | # only one target specified |
|
437 | 437 | targets = [targets] |
|
438 | 438 | _targets = [] |
|
439 | 439 | for t in targets: |
|
440 | 440 | # map raw identities to ids |
|
441 | 441 | if isinstance(t, (str,unicode)): |
|
442 | 442 | t = self.by_ident.get(t, t) |
|
443 | 443 | _targets.append(t) |
|
444 | 444 | targets = _targets |
|
445 | 445 | bad_targets = [ t for t in targets if t not in self.ids ] |
|
446 | 446 | if bad_targets: |
|
447 | 447 | raise IndexError("No Such Engine: %r"%bad_targets) |
|
448 | 448 | if not targets: |
|
449 | 449 | raise IndexError("No Engines Registered") |
|
450 | 450 | return targets |
|
451 | 451 | |
|
452 | 452 | #----------------------------------------------------------------------------- |
|
453 | 453 | # dispatch methods (1 per stream) |
|
454 | 454 | #----------------------------------------------------------------------------- |
|
455 | 455 | |
|
456 | 456 | |
|
457 | 457 | def dispatch_monitor_traffic(self, msg): |
|
458 | 458 | """all ME and Task queue messages come through here, as well as |
|
459 | 459 | IOPub traffic.""" |
|
460 | 460 | self.log.debug("monitor traffic: %r"%msg[:2]) |
|
461 | 461 | switch = msg[0] |
|
462 | 462 | try: |
|
463 | 463 | idents, msg = self.session.feed_identities(msg[1:]) |
|
464 | 464 | except ValueError: |
|
465 | 465 | idents=[] |
|
466 | 466 | if not idents: |
|
467 | 467 | self.log.error("Bad Monitor Message: %r"%msg) |
|
468 | 468 | return |
|
469 | 469 | handler = self.monitor_handlers.get(switch, None) |
|
470 | 470 | if handler is not None: |
|
471 | 471 | handler(idents, msg) |
|
472 | 472 | else: |
|
473 | 473 | self.log.error("Invalid monitor topic: %r"%switch) |
|
474 | 474 | |
|
475 | 475 | |
|
476 | 476 | def dispatch_query(self, msg): |
|
477 | 477 | """Route registration requests and queries from clients.""" |
|
478 | 478 | try: |
|
479 | 479 | idents, msg = self.session.feed_identities(msg) |
|
480 | 480 | except ValueError: |
|
481 | 481 | idents = [] |
|
482 | 482 | if not idents: |
|
483 | 483 | self.log.error("Bad Query Message: %r"%msg) |
|
484 | 484 | return |
|
485 | 485 | client_id = idents[0] |
|
486 | 486 | try: |
|
487 | 487 | msg = self.session.unserialize(msg, content=True) |
|
488 | 488 | except Exception: |
|
489 | 489 | content = error.wrap_exception() |
|
490 | 490 | self.log.error("Bad Query Message: %r"%msg, exc_info=True) |
|
491 | 491 | self.session.send(self.query, "hub_error", ident=client_id, |
|
492 | 492 | content=content) |
|
493 | 493 | return |
|
494 | 494 | # print client_id, header, parent, content |
|
495 | 495 | #switch on message type: |
|
496 | 496 | msg_type = msg['header']['msg_type'] |
|
497 | 497 | self.log.info("client::client %r requested %r"%(client_id, msg_type)) |
|
498 | 498 | handler = self.query_handlers.get(msg_type, None) |
|
499 | 499 | try: |
|
500 | 500 | assert handler is not None, "Bad Message Type: %r"%msg_type |
|
501 | 501 | except: |
|
502 | 502 | content = error.wrap_exception() |
|
503 | 503 | self.log.error("Bad Message Type: %r"%msg_type, exc_info=True) |
|
504 | 504 | self.session.send(self.query, "hub_error", ident=client_id, |
|
505 | 505 | content=content) |
|
506 | 506 | return |
|
507 | 507 | |
|
508 | 508 | else: |
|
509 | 509 | handler(idents, msg) |
|
510 | 510 | |
|
511 | 511 | def dispatch_db(self, msg): |
|
512 | 512 | """""" |
|
513 | 513 | raise NotImplementedError |
|
514 | 514 | |
|
515 | 515 | #--------------------------------------------------------------------------- |
|
516 | 516 | # handler methods (1 per event) |
|
517 | 517 | #--------------------------------------------------------------------------- |
|
518 | 518 | |
|
519 | 519 | #----------------------- Heartbeat -------------------------------------- |
|
520 | 520 | |
|
521 | 521 | def handle_new_heart(self, heart): |
|
522 | 522 | """handler to attach to heartbeater. |
|
523 | 523 | Called when a new heart starts to beat. |
|
524 | 524 | Triggers completion of registration.""" |
|
525 | 525 | self.log.debug("heartbeat::handle_new_heart(%r)"%heart) |
|
526 | 526 | if heart not in self.incoming_registrations: |
|
527 | 527 | self.log.info("heartbeat::ignoring new heart: %r"%heart) |
|
528 | 528 | else: |
|
529 | 529 | self.finish_registration(heart) |
|
530 | 530 | |
|
531 | 531 | |
|
532 | 532 | def handle_heart_failure(self, heart): |
|
533 | 533 | """handler to attach to heartbeater. |
|
534 | 534 | called when a previously registered heart fails to respond to beat request. |
|
535 | 535 | triggers unregistration""" |
|
536 | 536 | self.log.debug("heartbeat::handle_heart_failure(%r)"%heart) |
|
537 | 537 | eid = self.hearts.get(heart, None) |
|
538 | 538 | queue = self.engines[eid].queue |
|
539 | 539 | if eid is None: |
|
540 | 540 | self.log.info("heartbeat::ignoring heart failure %r"%heart) |
|
541 | 541 | else: |
|
542 | 542 | self.unregister_engine(heart, dict(content=dict(id=eid, queue=queue))) |
|
543 | 543 | |
|
544 | 544 | #----------------------- MUX Queue Traffic ------------------------------ |
|
545 | 545 | |
|
546 | 546 | def save_queue_request(self, idents, msg): |
|
547 | 547 | if len(idents) < 2: |
|
548 | 548 | self.log.error("invalid identity prefix: %r"%idents) |
|
549 | 549 | return |
|
550 | 550 | queue_id, client_id = idents[:2] |
|
551 | 551 | try: |
|
552 | 552 | msg = self.session.unserialize(msg) |
|
553 | 553 | except Exception: |
|
554 | 554 | self.log.error("queue::client %r sent invalid message to %r: %r"%(client_id, queue_id, msg), exc_info=True) |
|
555 | 555 | return |
|
556 | 556 | |
|
557 | 557 | eid = self.by_ident.get(queue_id, None) |
|
558 | 558 | if eid is None: |
|
559 | 559 | self.log.error("queue::target %r not registered"%queue_id) |
|
560 | 560 | self.log.debug("queue:: valid are: %r"%(self.by_ident.keys())) |
|
561 | 561 | return |
|
562 | 562 | record = init_record(msg) |
|
563 | 563 | msg_id = record['msg_id'] |
|
564 | 564 | # Unicode in records |
|
565 | 565 | record['engine_uuid'] = queue_id.decode('ascii') |
|
566 | 566 | record['client_uuid'] = client_id.decode('ascii') |
|
567 | 567 | record['queue'] = 'mux' |
|
568 | 568 | |
|
569 | 569 | try: |
|
570 | 570 | # it's posible iopub arrived first: |
|
571 | 571 | existing = self.db.get_record(msg_id) |
|
572 | 572 | for key,evalue in existing.iteritems(): |
|
573 | 573 | rvalue = record.get(key, None) |
|
574 | 574 | if evalue and rvalue and evalue != rvalue: |
|
575 | 575 | self.log.warn("conflicting initial state for record: %r:%r <%r> %r"%(msg_id, rvalue, key, evalue)) |
|
576 | 576 | elif evalue and not rvalue: |
|
577 | 577 | record[key] = evalue |
|
578 | 578 | try: |
|
579 | 579 | self.db.update_record(msg_id, record) |
|
580 | 580 | except Exception: |
|
581 | 581 | self.log.error("DB Error updating record %r"%msg_id, exc_info=True) |
|
582 | 582 | except KeyError: |
|
583 | 583 | try: |
|
584 | 584 | self.db.add_record(msg_id, record) |
|
585 | 585 | except Exception: |
|
586 | 586 | self.log.error("DB Error adding record %r"%msg_id, exc_info=True) |
|
587 | 587 | |
|
588 | 588 | |
|
589 | 589 | self.pending.add(msg_id) |
|
590 | 590 | self.queues[eid].append(msg_id) |
|
591 | 591 | |
|
592 | 592 | def save_queue_result(self, idents, msg): |
|
593 | 593 | if len(idents) < 2: |
|
594 | 594 | self.log.error("invalid identity prefix: %r"%idents) |
|
595 | 595 | return |
|
596 | 596 | |
|
597 | 597 | client_id, queue_id = idents[:2] |
|
598 | 598 | try: |
|
599 | 599 | msg = self.session.unserialize(msg) |
|
600 | 600 | except Exception: |
|
601 | 601 | self.log.error("queue::engine %r sent invalid message to %r: %r"%( |
|
602 | 602 | queue_id,client_id, msg), exc_info=True) |
|
603 | 603 | return |
|
604 | 604 | |
|
605 | 605 | eid = self.by_ident.get(queue_id, None) |
|
606 | 606 | if eid is None: |
|
607 | 607 | self.log.error("queue::unknown engine %r is sending a reply: "%queue_id) |
|
608 | 608 | return |
|
609 | 609 | |
|
610 | 610 | parent = msg['parent_header'] |
|
611 | 611 | if not parent: |
|
612 | 612 | return |
|
613 | 613 | msg_id = parent['msg_id'] |
|
614 | 614 | if msg_id in self.pending: |
|
615 | 615 | self.pending.remove(msg_id) |
|
616 | 616 | self.all_completed.add(msg_id) |
|
617 | 617 | self.queues[eid].remove(msg_id) |
|
618 | 618 | self.completed[eid].append(msg_id) |
|
619 | 619 | elif msg_id not in self.all_completed: |
|
620 | 620 | # it could be a result from a dead engine that died before delivering the |
|
621 | 621 | # result |
|
622 | 622 | self.log.warn("queue:: unknown msg finished %r"%msg_id) |
|
623 | 623 | return |
|
624 | 624 | # update record anyway, because the unregistration could have been premature |
|
625 | 625 | rheader = msg['header'] |
|
626 | 626 | completed = rheader['date'] |
|
627 | 627 | started = rheader.get('started', None) |
|
628 | 628 | result = { |
|
629 | 629 | 'result_header' : rheader, |
|
630 | 630 | 'result_content': msg['content'], |
|
631 | 631 | 'started' : started, |
|
632 | 632 | 'completed' : completed |
|
633 | 633 | } |
|
634 | 634 | |
|
635 | 635 | result['result_buffers'] = msg['buffers'] |
|
636 | 636 | try: |
|
637 | 637 | self.db.update_record(msg_id, result) |
|
638 | 638 | except Exception: |
|
639 | 639 | self.log.error("DB Error updating record %r"%msg_id, exc_info=True) |
|
640 | 640 | |
|
641 | 641 | |
|
642 | 642 | #--------------------- Task Queue Traffic ------------------------------ |
|
643 | 643 | |
|
644 | 644 | def save_task_request(self, idents, msg): |
|
645 | 645 | """Save the submission of a task.""" |
|
646 | 646 | client_id = idents[0] |
|
647 | 647 | |
|
648 | 648 | try: |
|
649 | 649 | msg = self.session.unserialize(msg) |
|
650 | 650 | except Exception: |
|
651 | 651 | self.log.error("task::client %r sent invalid task message: %r"%( |
|
652 | 652 | client_id, msg), exc_info=True) |
|
653 | 653 | return |
|
654 | 654 | record = init_record(msg) |
|
655 | 655 | |
|
656 | record['client_uuid'] = client_id | |
|
656 | record['client_uuid'] = client_id.decode('ascii') | |
|
657 | 657 | record['queue'] = 'task' |
|
658 | 658 | header = msg['header'] |
|
659 | 659 | msg_id = header['msg_id'] |
|
660 | 660 | self.pending.add(msg_id) |
|
661 | 661 | self.unassigned.add(msg_id) |
|
662 | 662 | try: |
|
663 | 663 | # it's posible iopub arrived first: |
|
664 | 664 | existing = self.db.get_record(msg_id) |
|
665 | 665 | if existing['resubmitted']: |
|
666 | 666 | for key in ('submitted', 'client_uuid', 'buffers'): |
|
667 | 667 | # don't clobber these keys on resubmit |
|
668 | 668 | # submitted and client_uuid should be different |
|
669 | 669 | # and buffers might be big, and shouldn't have changed |
|
670 | 670 | record.pop(key) |
|
671 | 671 | # still check content,header which should not change |
|
672 | 672 | # but are not expensive to compare as buffers |
|
673 | 673 | |
|
674 | 674 | for key,evalue in existing.iteritems(): |
|
675 | 675 | if key.endswith('buffers'): |
|
676 | 676 | # don't compare buffers |
|
677 | 677 | continue |
|
678 | 678 | rvalue = record.get(key, None) |
|
679 | 679 | if evalue and rvalue and evalue != rvalue: |
|
680 | 680 | self.log.warn("conflicting initial state for record: %r:%r <%r> %r"%(msg_id, rvalue, key, evalue)) |
|
681 | 681 | elif evalue and not rvalue: |
|
682 | 682 | record[key] = evalue |
|
683 | 683 | try: |
|
684 | 684 | self.db.update_record(msg_id, record) |
|
685 | 685 | except Exception: |
|
686 | 686 | self.log.error("DB Error updating record %r"%msg_id, exc_info=True) |
|
687 | 687 | except KeyError: |
|
688 | 688 | try: |
|
689 | 689 | self.db.add_record(msg_id, record) |
|
690 | 690 | except Exception: |
|
691 | 691 | self.log.error("DB Error adding record %r"%msg_id, exc_info=True) |
|
692 | 692 | except Exception: |
|
693 | 693 | self.log.error("DB Error saving task request %r"%msg_id, exc_info=True) |
|
694 | 694 | |
|
695 | 695 | def save_task_result(self, idents, msg): |
|
696 | 696 | """save the result of a completed task.""" |
|
697 | 697 | client_id = idents[0] |
|
698 | 698 | try: |
|
699 | 699 | msg = self.session.unserialize(msg) |
|
700 | 700 | except Exception: |
|
701 | 701 | self.log.error("task::invalid task result message send to %r: %r"%( |
|
702 | 702 | client_id, msg), exc_info=True) |
|
703 | 703 | return |
|
704 | 704 | |
|
705 | 705 | parent = msg['parent_header'] |
|
706 | 706 | if not parent: |
|
707 | 707 | # print msg |
|
708 | 708 | self.log.warn("Task %r had no parent!"%msg) |
|
709 | 709 | return |
|
710 | 710 | msg_id = parent['msg_id'] |
|
711 | 711 | if msg_id in self.unassigned: |
|
712 | 712 | self.unassigned.remove(msg_id) |
|
713 | 713 | |
|
714 | 714 | header = msg['header'] |
|
715 | 715 | engine_uuid = header.get('engine', None) |
|
716 | 716 | eid = self.by_ident.get(engine_uuid, None) |
|
717 | 717 | |
|
718 | 718 | if msg_id in self.pending: |
|
719 | 719 | self.pending.remove(msg_id) |
|
720 | 720 | self.all_completed.add(msg_id) |
|
721 | 721 | if eid is not None: |
|
722 | 722 | self.completed[eid].append(msg_id) |
|
723 | 723 | if msg_id in self.tasks[eid]: |
|
724 | 724 | self.tasks[eid].remove(msg_id) |
|
725 | 725 | completed = header['date'] |
|
726 | 726 | started = header.get('started', None) |
|
727 | 727 | result = { |
|
728 | 728 | 'result_header' : header, |
|
729 | 729 | 'result_content': msg['content'], |
|
730 | 730 | 'started' : started, |
|
731 | 731 | 'completed' : completed, |
|
732 | 732 | 'engine_uuid': engine_uuid |
|
733 | 733 | } |
|
734 | 734 | |
|
735 | 735 | result['result_buffers'] = msg['buffers'] |
|
736 | 736 | try: |
|
737 | 737 | self.db.update_record(msg_id, result) |
|
738 | 738 | except Exception: |
|
739 | 739 | self.log.error("DB Error saving task request %r"%msg_id, exc_info=True) |
|
740 | 740 | |
|
741 | 741 | else: |
|
742 | 742 | self.log.debug("task::unknown task %r finished"%msg_id) |
|
743 | 743 | |
|
744 | 744 | def save_task_destination(self, idents, msg): |
|
745 | 745 | try: |
|
746 | 746 | msg = self.session.unserialize(msg, content=True) |
|
747 | 747 | except Exception: |
|
748 | 748 | self.log.error("task::invalid task tracking message", exc_info=True) |
|
749 | 749 | return |
|
750 | 750 | content = msg['content'] |
|
751 | 751 | # print (content) |
|
752 | 752 | msg_id = content['msg_id'] |
|
753 | 753 | engine_uuid = content['engine_id'] |
|
754 | 754 | eid = self.by_ident[util.asbytes(engine_uuid)] |
|
755 | 755 | |
|
756 | 756 | self.log.info("task::task %r arrived on %r"%(msg_id, eid)) |
|
757 | 757 | if msg_id in self.unassigned: |
|
758 | 758 | self.unassigned.remove(msg_id) |
|
759 | 759 | # else: |
|
760 | 760 | # self.log.debug("task::task %r not listed as MIA?!"%(msg_id)) |
|
761 | 761 | |
|
762 | 762 | self.tasks[eid].append(msg_id) |
|
763 | 763 | # self.pending[msg_id][1].update(received=datetime.now(),engine=(eid,engine_uuid)) |
|
764 | 764 | try: |
|
765 | 765 | self.db.update_record(msg_id, dict(engine_uuid=engine_uuid)) |
|
766 | 766 | except Exception: |
|
767 | 767 | self.log.error("DB Error saving task destination %r"%msg_id, exc_info=True) |
|
768 | 768 | |
|
769 | 769 | |
|
770 | 770 | def mia_task_request(self, idents, msg): |
|
771 | 771 | raise NotImplementedError |
|
772 | 772 | client_id = idents[0] |
|
773 | 773 | # content = dict(mia=self.mia,status='ok') |
|
774 | 774 | # self.session.send('mia_reply', content=content, idents=client_id) |
|
775 | 775 | |
|
776 | 776 | |
|
777 | 777 | #--------------------- IOPub Traffic ------------------------------ |
|
778 | 778 | |
|
779 | 779 | def save_iopub_message(self, topics, msg): |
|
780 | 780 | """save an iopub message into the db""" |
|
781 | 781 | # print (topics) |
|
782 | 782 | try: |
|
783 | 783 | msg = self.session.unserialize(msg, content=True) |
|
784 | 784 | except Exception: |
|
785 | 785 | self.log.error("iopub::invalid IOPub message", exc_info=True) |
|
786 | 786 | return |
|
787 | 787 | |
|
788 | 788 | parent = msg['parent_header'] |
|
789 | 789 | if not parent: |
|
790 | 790 | self.log.error("iopub::invalid IOPub message: %r"%msg) |
|
791 | 791 | return |
|
792 | 792 | msg_id = parent['msg_id'] |
|
793 | 793 | msg_type = msg['header']['msg_type'] |
|
794 | 794 | content = msg['content'] |
|
795 | 795 | |
|
796 | 796 | # ensure msg_id is in db |
|
797 | 797 | try: |
|
798 | 798 | rec = self.db.get_record(msg_id) |
|
799 | 799 | except KeyError: |
|
800 | 800 | rec = empty_record() |
|
801 | 801 | rec['msg_id'] = msg_id |
|
802 | 802 | self.db.add_record(msg_id, rec) |
|
803 | 803 | # stream |
|
804 | 804 | d = {} |
|
805 | 805 | if msg_type == 'stream': |
|
806 | 806 | name = content['name'] |
|
807 | 807 | s = rec[name] or '' |
|
808 | 808 | d[name] = s + content['data'] |
|
809 | 809 | |
|
810 | 810 | elif msg_type == 'pyerr': |
|
811 | 811 | d['pyerr'] = content |
|
812 | 812 | elif msg_type == 'pyin': |
|
813 | 813 | d['pyin'] = content['code'] |
|
814 | 814 | else: |
|
815 | 815 | d[msg_type] = content.get('data', '') |
|
816 | 816 | |
|
817 | 817 | try: |
|
818 | 818 | self.db.update_record(msg_id, d) |
|
819 | 819 | except Exception: |
|
820 | 820 | self.log.error("DB Error saving iopub message %r"%msg_id, exc_info=True) |
|
821 | 821 | |
|
822 | 822 | |
|
823 | 823 | |
|
824 | 824 | #------------------------------------------------------------------------- |
|
825 | 825 | # Registration requests |
|
826 | 826 | #------------------------------------------------------------------------- |
|
827 | 827 | |
|
828 | 828 | def connection_request(self, client_id, msg): |
|
829 | 829 | """Reply with connection addresses for clients.""" |
|
830 | 830 | self.log.info("client::client %r connected"%client_id) |
|
831 | 831 | content = dict(status='ok') |
|
832 | 832 | content.update(self.client_info) |
|
833 | 833 | jsonable = {} |
|
834 | 834 | for k,v in self.keytable.iteritems(): |
|
835 | 835 | if v not in self.dead_engines: |
|
836 | 836 | jsonable[str(k)] = v.decode('ascii') |
|
837 | 837 | content['engines'] = jsonable |
|
838 | 838 | self.session.send(self.query, 'connection_reply', content, parent=msg, ident=client_id) |
|
839 | 839 | |
|
840 | 840 | def register_engine(self, reg, msg): |
|
841 | 841 | """Register a new engine.""" |
|
842 | 842 | content = msg['content'] |
|
843 | 843 | try: |
|
844 | 844 | queue = util.asbytes(content['queue']) |
|
845 | 845 | except KeyError: |
|
846 | 846 | self.log.error("registration::queue not specified", exc_info=True) |
|
847 | 847 | return |
|
848 | 848 | heart = content.get('heartbeat', None) |
|
849 | 849 | if heart: |
|
850 | 850 | heart = util.asbytes(heart) |
|
851 | 851 | """register a new engine, and create the socket(s) necessary""" |
|
852 | 852 | eid = self._next_id |
|
853 | 853 | # print (eid, queue, reg, heart) |
|
854 | 854 | |
|
855 | 855 | self.log.debug("registration::register_engine(%i, %r, %r, %r)"%(eid, queue, reg, heart)) |
|
856 | 856 | |
|
857 | 857 | content = dict(id=eid,status='ok') |
|
858 | 858 | content.update(self.engine_info) |
|
859 | 859 | # check if requesting available IDs: |
|
860 | 860 | if queue in self.by_ident: |
|
861 | 861 | try: |
|
862 | 862 | raise KeyError("queue_id %r in use"%queue) |
|
863 | 863 | except: |
|
864 | 864 | content = error.wrap_exception() |
|
865 | 865 | self.log.error("queue_id %r in use"%queue, exc_info=True) |
|
866 | 866 | elif heart in self.hearts: # need to check unique hearts? |
|
867 | 867 | try: |
|
868 | 868 | raise KeyError("heart_id %r in use"%heart) |
|
869 | 869 | except: |
|
870 | 870 | self.log.error("heart_id %r in use"%heart, exc_info=True) |
|
871 | 871 | content = error.wrap_exception() |
|
872 | 872 | else: |
|
873 | 873 | for h, pack in self.incoming_registrations.iteritems(): |
|
874 | 874 | if heart == h: |
|
875 | 875 | try: |
|
876 | 876 | raise KeyError("heart_id %r in use"%heart) |
|
877 | 877 | except: |
|
878 | 878 | self.log.error("heart_id %r in use"%heart, exc_info=True) |
|
879 | 879 | content = error.wrap_exception() |
|
880 | 880 | break |
|
881 | 881 | elif queue == pack[1]: |
|
882 | 882 | try: |
|
883 | 883 | raise KeyError("queue_id %r in use"%queue) |
|
884 | 884 | except: |
|
885 | 885 | self.log.error("queue_id %r in use"%queue, exc_info=True) |
|
886 | 886 | content = error.wrap_exception() |
|
887 | 887 | break |
|
888 | 888 | |
|
889 | 889 | msg = self.session.send(self.query, "registration_reply", |
|
890 | 890 | content=content, |
|
891 | 891 | ident=reg) |
|
892 | 892 | |
|
893 | 893 | if content['status'] == 'ok': |
|
894 | 894 | if heart in self.heartmonitor.hearts: |
|
895 | 895 | # already beating |
|
896 | 896 | self.incoming_registrations[heart] = (eid,queue,reg[0],None) |
|
897 | 897 | self.finish_registration(heart) |
|
898 | 898 | else: |
|
899 | 899 | purge = lambda : self._purge_stalled_registration(heart) |
|
900 | 900 | dc = ioloop.DelayedCallback(purge, self.registration_timeout, self.loop) |
|
901 | 901 | dc.start() |
|
902 | 902 | self.incoming_registrations[heart] = (eid,queue,reg[0],dc) |
|
903 | 903 | else: |
|
904 | 904 | self.log.error("registration::registration %i failed: %r"%(eid, content['evalue'])) |
|
905 | 905 | return eid |
|
906 | 906 | |
|
907 | 907 | def unregister_engine(self, ident, msg): |
|
908 | 908 | """Unregister an engine that explicitly requested to leave.""" |
|
909 | 909 | try: |
|
910 | 910 | eid = msg['content']['id'] |
|
911 | 911 | except: |
|
912 | 912 | self.log.error("registration::bad engine id for unregistration: %r"%ident, exc_info=True) |
|
913 | 913 | return |
|
914 | 914 | self.log.info("registration::unregister_engine(%r)"%eid) |
|
915 | 915 | # print (eid) |
|
916 | 916 | uuid = self.keytable[eid] |
|
917 | 917 | content=dict(id=eid, queue=uuid.decode('ascii')) |
|
918 | 918 | self.dead_engines.add(uuid) |
|
919 | 919 | # self.ids.remove(eid) |
|
920 | 920 | # uuid = self.keytable.pop(eid) |
|
921 | 921 | # |
|
922 | 922 | # ec = self.engines.pop(eid) |
|
923 | 923 | # self.hearts.pop(ec.heartbeat) |
|
924 | 924 | # self.by_ident.pop(ec.queue) |
|
925 | 925 | # self.completed.pop(eid) |
|
926 | 926 | handleit = lambda : self._handle_stranded_msgs(eid, uuid) |
|
927 | 927 | dc = ioloop.DelayedCallback(handleit, self.registration_timeout, self.loop) |
|
928 | 928 | dc.start() |
|
929 | 929 | ############## TODO: HANDLE IT ################ |
|
930 | 930 | |
|
931 | 931 | if self.notifier: |
|
932 | 932 | self.session.send(self.notifier, "unregistration_notification", content=content) |
|
933 | 933 | |
|
934 | 934 | def _handle_stranded_msgs(self, eid, uuid): |
|
935 | 935 | """Handle messages known to be on an engine when the engine unregisters. |
|
936 | 936 | |
|
937 | 937 | It is possible that this will fire prematurely - that is, an engine will |
|
938 | 938 | go down after completing a result, and the client will be notified |
|
939 | 939 | that the result failed and later receive the actual result. |
|
940 | 940 | """ |
|
941 | 941 | |
|
942 | 942 | outstanding = self.queues[eid] |
|
943 | 943 | |
|
944 | 944 | for msg_id in outstanding: |
|
945 | 945 | self.pending.remove(msg_id) |
|
946 | 946 | self.all_completed.add(msg_id) |
|
947 | 947 | try: |
|
948 | 948 | raise error.EngineError("Engine %r died while running task %r"%(eid, msg_id)) |
|
949 | 949 | except: |
|
950 | 950 | content = error.wrap_exception() |
|
951 | 951 | # build a fake header: |
|
952 | 952 | header = {} |
|
953 | 953 | header['engine'] = uuid |
|
954 | 954 | header['date'] = datetime.now() |
|
955 | 955 | rec = dict(result_content=content, result_header=header, result_buffers=[]) |
|
956 | 956 | rec['completed'] = header['date'] |
|
957 | 957 | rec['engine_uuid'] = uuid |
|
958 | 958 | try: |
|
959 | 959 | self.db.update_record(msg_id, rec) |
|
960 | 960 | except Exception: |
|
961 | 961 | self.log.error("DB Error handling stranded msg %r"%msg_id, exc_info=True) |
|
962 | 962 | |
|
963 | 963 | |
|
964 | 964 | def finish_registration(self, heart): |
|
965 | 965 | """Second half of engine registration, called after our HeartMonitor |
|
966 | 966 | has received a beat from the Engine's Heart.""" |
|
967 | 967 | try: |
|
968 | 968 | (eid,queue,reg,purge) = self.incoming_registrations.pop(heart) |
|
969 | 969 | except KeyError: |
|
970 | 970 | self.log.error("registration::tried to finish nonexistant registration", exc_info=True) |
|
971 | 971 | return |
|
972 | 972 | self.log.info("registration::finished registering engine %i:%r"%(eid,queue)) |
|
973 | 973 | if purge is not None: |
|
974 | 974 | purge.stop() |
|
975 | 975 | control = queue |
|
976 | 976 | self.ids.add(eid) |
|
977 | 977 | self.keytable[eid] = queue |
|
978 | 978 | self.engines[eid] = EngineConnector(id=eid, queue=queue, registration=reg, |
|
979 | 979 | control=control, heartbeat=heart) |
|
980 | 980 | self.by_ident[queue] = eid |
|
981 | 981 | self.queues[eid] = list() |
|
982 | 982 | self.tasks[eid] = list() |
|
983 | 983 | self.completed[eid] = list() |
|
984 | 984 | self.hearts[heart] = eid |
|
985 | 985 | content = dict(id=eid, queue=self.engines[eid].queue.decode('ascii')) |
|
986 | 986 | if self.notifier: |
|
987 | 987 | self.session.send(self.notifier, "registration_notification", content=content) |
|
988 | 988 | self.log.info("engine::Engine Connected: %i"%eid) |
|
989 | 989 | |
|
990 | 990 | def _purge_stalled_registration(self, heart): |
|
991 | 991 | if heart in self.incoming_registrations: |
|
992 | 992 | eid = self.incoming_registrations.pop(heart)[0] |
|
993 | 993 | self.log.info("registration::purging stalled registration: %i"%eid) |
|
994 | 994 | else: |
|
995 | 995 | pass |
|
996 | 996 | |
|
997 | 997 | #------------------------------------------------------------------------- |
|
998 | 998 | # Client Requests |
|
999 | 999 | #------------------------------------------------------------------------- |
|
1000 | 1000 | |
|
1001 | 1001 | def shutdown_request(self, client_id, msg): |
|
1002 | 1002 | """handle shutdown request.""" |
|
1003 | 1003 | self.session.send(self.query, 'shutdown_reply', content={'status': 'ok'}, ident=client_id) |
|
1004 | 1004 | # also notify other clients of shutdown |
|
1005 | 1005 | self.session.send(self.notifier, 'shutdown_notice', content={'status': 'ok'}) |
|
1006 | 1006 | dc = ioloop.DelayedCallback(lambda : self._shutdown(), 1000, self.loop) |
|
1007 | 1007 | dc.start() |
|
1008 | 1008 | |
|
1009 | 1009 | def _shutdown(self): |
|
1010 | 1010 | self.log.info("hub::hub shutting down.") |
|
1011 | 1011 | time.sleep(0.1) |
|
1012 | 1012 | sys.exit(0) |
|
1013 | 1013 | |
|
1014 | 1014 | |
|
1015 | 1015 | def check_load(self, client_id, msg): |
|
1016 | 1016 | content = msg['content'] |
|
1017 | 1017 | try: |
|
1018 | 1018 | targets = content['targets'] |
|
1019 | 1019 | targets = self._validate_targets(targets) |
|
1020 | 1020 | except: |
|
1021 | 1021 | content = error.wrap_exception() |
|
1022 | 1022 | self.session.send(self.query, "hub_error", |
|
1023 | 1023 | content=content, ident=client_id) |
|
1024 | 1024 | return |
|
1025 | 1025 | |
|
1026 | 1026 | content = dict(status='ok') |
|
1027 | 1027 | # loads = {} |
|
1028 | 1028 | for t in targets: |
|
1029 | 1029 | content[bytes(t)] = len(self.queues[t])+len(self.tasks[t]) |
|
1030 | 1030 | self.session.send(self.query, "load_reply", content=content, ident=client_id) |
|
1031 | 1031 | |
|
1032 | 1032 | |
|
1033 | 1033 | def queue_status(self, client_id, msg): |
|
1034 | 1034 | """Return the Queue status of one or more targets. |
|
1035 | 1035 | if verbose: return the msg_ids |
|
1036 | 1036 | else: return len of each type. |
|
1037 | 1037 | keys: queue (pending MUX jobs) |
|
1038 | 1038 | tasks (pending Task jobs) |
|
1039 | 1039 | completed (finished jobs from both queues)""" |
|
1040 | 1040 | content = msg['content'] |
|
1041 | 1041 | targets = content['targets'] |
|
1042 | 1042 | try: |
|
1043 | 1043 | targets = self._validate_targets(targets) |
|
1044 | 1044 | except: |
|
1045 | 1045 | content = error.wrap_exception() |
|
1046 | 1046 | self.session.send(self.query, "hub_error", |
|
1047 | 1047 | content=content, ident=client_id) |
|
1048 | 1048 | return |
|
1049 | 1049 | verbose = content.get('verbose', False) |
|
1050 | 1050 | content = dict(status='ok') |
|
1051 | 1051 | for t in targets: |
|
1052 | 1052 | queue = self.queues[t] |
|
1053 | 1053 | completed = self.completed[t] |
|
1054 | 1054 | tasks = self.tasks[t] |
|
1055 | 1055 | if not verbose: |
|
1056 | 1056 | queue = len(queue) |
|
1057 | 1057 | completed = len(completed) |
|
1058 | 1058 | tasks = len(tasks) |
|
1059 | 1059 | content[str(t)] = {'queue': queue, 'completed': completed , 'tasks': tasks} |
|
1060 | 1060 | content['unassigned'] = list(self.unassigned) if verbose else len(self.unassigned) |
|
1061 | 1061 | # print (content) |
|
1062 | 1062 | self.session.send(self.query, "queue_reply", content=content, ident=client_id) |
|
1063 | 1063 | |
|
1064 | 1064 | def purge_results(self, client_id, msg): |
|
1065 | 1065 | """Purge results from memory. This method is more valuable before we move |
|
1066 | 1066 | to a DB based message storage mechanism.""" |
|
1067 | 1067 | content = msg['content'] |
|
1068 | 1068 | self.log.info("Dropping records with %s", content) |
|
1069 | 1069 | msg_ids = content.get('msg_ids', []) |
|
1070 | 1070 | reply = dict(status='ok') |
|
1071 | 1071 | if msg_ids == 'all': |
|
1072 | 1072 | try: |
|
1073 | 1073 | self.db.drop_matching_records(dict(completed={'$ne':None})) |
|
1074 | 1074 | except Exception: |
|
1075 | 1075 | reply = error.wrap_exception() |
|
1076 | 1076 | else: |
|
1077 | 1077 | pending = filter(lambda m: m in self.pending, msg_ids) |
|
1078 | 1078 | if pending: |
|
1079 | 1079 | try: |
|
1080 | 1080 | raise IndexError("msg pending: %r"%pending[0]) |
|
1081 | 1081 | except: |
|
1082 | 1082 | reply = error.wrap_exception() |
|
1083 | 1083 | else: |
|
1084 | 1084 | try: |
|
1085 | 1085 | self.db.drop_matching_records(dict(msg_id={'$in':msg_ids})) |
|
1086 | 1086 | except Exception: |
|
1087 | 1087 | reply = error.wrap_exception() |
|
1088 | 1088 | |
|
1089 | 1089 | if reply['status'] == 'ok': |
|
1090 | 1090 | eids = content.get('engine_ids', []) |
|
1091 | 1091 | for eid in eids: |
|
1092 | 1092 | if eid not in self.engines: |
|
1093 | 1093 | try: |
|
1094 | 1094 | raise IndexError("No such engine: %i"%eid) |
|
1095 | 1095 | except: |
|
1096 | 1096 | reply = error.wrap_exception() |
|
1097 | 1097 | break |
|
1098 | 1098 | uid = self.engines[eid].queue |
|
1099 | 1099 | try: |
|
1100 | 1100 | self.db.drop_matching_records(dict(engine_uuid=uid, completed={'$ne':None})) |
|
1101 | 1101 | except Exception: |
|
1102 | 1102 | reply = error.wrap_exception() |
|
1103 | 1103 | break |
|
1104 | 1104 | |
|
1105 | 1105 | self.session.send(self.query, 'purge_reply', content=reply, ident=client_id) |
|
1106 | 1106 | |
|
1107 | 1107 | def resubmit_task(self, client_id, msg): |
|
1108 | 1108 | """Resubmit one or more tasks.""" |
|
1109 | 1109 | def finish(reply): |
|
1110 | 1110 | self.session.send(self.query, 'resubmit_reply', content=reply, ident=client_id) |
|
1111 | 1111 | |
|
1112 | 1112 | content = msg['content'] |
|
1113 | 1113 | msg_ids = content['msg_ids'] |
|
1114 | 1114 | reply = dict(status='ok') |
|
1115 | 1115 | try: |
|
1116 | 1116 | records = self.db.find_records({'msg_id' : {'$in' : msg_ids}}, keys=[ |
|
1117 | 1117 | 'header', 'content', 'buffers']) |
|
1118 | 1118 | except Exception: |
|
1119 | 1119 | self.log.error('db::db error finding tasks to resubmit', exc_info=True) |
|
1120 | 1120 | return finish(error.wrap_exception()) |
|
1121 | 1121 | |
|
1122 | 1122 | # validate msg_ids |
|
1123 | 1123 | found_ids = [ rec['msg_id'] for rec in records ] |
|
1124 | 1124 | invalid_ids = filter(lambda m: m in self.pending, found_ids) |
|
1125 | 1125 | if len(records) > len(msg_ids): |
|
1126 | 1126 | try: |
|
1127 | 1127 | raise RuntimeError("DB appears to be in an inconsistent state." |
|
1128 | 1128 | "More matching records were found than should exist") |
|
1129 | 1129 | except Exception: |
|
1130 | 1130 | return finish(error.wrap_exception()) |
|
1131 | 1131 | elif len(records) < len(msg_ids): |
|
1132 | 1132 | missing = [ m for m in msg_ids if m not in found_ids ] |
|
1133 | 1133 | try: |
|
1134 | 1134 | raise KeyError("No such msg(s): %r"%missing) |
|
1135 | 1135 | except KeyError: |
|
1136 | 1136 | return finish(error.wrap_exception()) |
|
1137 | 1137 | elif invalid_ids: |
|
1138 | 1138 | msg_id = invalid_ids[0] |
|
1139 | 1139 | try: |
|
1140 | 1140 | raise ValueError("Task %r appears to be inflight"%(msg_id)) |
|
1141 | 1141 | except Exception: |
|
1142 | 1142 | return finish(error.wrap_exception()) |
|
1143 | 1143 | |
|
1144 | 1144 | # clear the existing records |
|
1145 | 1145 | now = datetime.now() |
|
1146 | 1146 | rec = empty_record() |
|
1147 | 1147 | map(rec.pop, ['msg_id', 'header', 'content', 'buffers', 'submitted']) |
|
1148 | 1148 | rec['resubmitted'] = now |
|
1149 | 1149 | rec['queue'] = 'task' |
|
1150 | 1150 | rec['client_uuid'] = client_id[0] |
|
1151 | 1151 | try: |
|
1152 | 1152 | for msg_id in msg_ids: |
|
1153 | 1153 | self.all_completed.discard(msg_id) |
|
1154 | 1154 | self.db.update_record(msg_id, rec) |
|
1155 | 1155 | except Exception: |
|
1156 | 1156 | self.log.error('db::db error upating record', exc_info=True) |
|
1157 | 1157 | reply = error.wrap_exception() |
|
1158 | 1158 | else: |
|
1159 | 1159 | # send the messages |
|
1160 | 1160 | for rec in records: |
|
1161 | 1161 | header = rec['header'] |
|
1162 | 1162 | # include resubmitted in header to prevent digest collision |
|
1163 | 1163 | header['resubmitted'] = now |
|
1164 | 1164 | msg = self.session.msg(header['msg_type']) |
|
1165 | 1165 | msg['content'] = rec['content'] |
|
1166 | 1166 | msg['header'] = header |
|
1167 | 1167 | msg['header']['msg_id'] = rec['msg_id'] |
|
1168 | 1168 | self.session.send(self.resubmit, msg, buffers=rec['buffers']) |
|
1169 | 1169 | |
|
1170 | 1170 | finish(dict(status='ok')) |
|
1171 | 1171 | |
|
1172 | 1172 | |
|
1173 | 1173 | def _extract_record(self, rec): |
|
1174 | 1174 | """decompose a TaskRecord dict into subsection of reply for get_result""" |
|
1175 | 1175 | io_dict = {} |
|
1176 | 1176 | for key in 'pyin pyout pyerr stdout stderr'.split(): |
|
1177 | 1177 | io_dict[key] = rec[key] |
|
1178 | 1178 | content = { 'result_content': rec['result_content'], |
|
1179 | 1179 | 'header': rec['header'], |
|
1180 | 1180 | 'result_header' : rec['result_header'], |
|
1181 | 1181 | 'io' : io_dict, |
|
1182 | 1182 | } |
|
1183 | 1183 | if rec['result_buffers']: |
|
1184 | 1184 | buffers = map(bytes, rec['result_buffers']) |
|
1185 | 1185 | else: |
|
1186 | 1186 | buffers = [] |
|
1187 | 1187 | |
|
1188 | 1188 | return content, buffers |
|
1189 | 1189 | |
|
1190 | 1190 | def get_results(self, client_id, msg): |
|
1191 | 1191 | """Get the result of 1 or more messages.""" |
|
1192 | 1192 | content = msg['content'] |
|
1193 | 1193 | msg_ids = sorted(set(content['msg_ids'])) |
|
1194 | 1194 | statusonly = content.get('status_only', False) |
|
1195 | 1195 | pending = [] |
|
1196 | 1196 | completed = [] |
|
1197 | 1197 | content = dict(status='ok') |
|
1198 | 1198 | content['pending'] = pending |
|
1199 | 1199 | content['completed'] = completed |
|
1200 | 1200 | buffers = [] |
|
1201 | 1201 | if not statusonly: |
|
1202 | 1202 | try: |
|
1203 | 1203 | matches = self.db.find_records(dict(msg_id={'$in':msg_ids})) |
|
1204 | 1204 | # turn match list into dict, for faster lookup |
|
1205 | 1205 | records = {} |
|
1206 | 1206 | for rec in matches: |
|
1207 | 1207 | records[rec['msg_id']] = rec |
|
1208 | 1208 | except Exception: |
|
1209 | 1209 | content = error.wrap_exception() |
|
1210 | 1210 | self.session.send(self.query, "result_reply", content=content, |
|
1211 | 1211 | parent=msg, ident=client_id) |
|
1212 | 1212 | return |
|
1213 | 1213 | else: |
|
1214 | 1214 | records = {} |
|
1215 | 1215 | for msg_id in msg_ids: |
|
1216 | 1216 | if msg_id in self.pending: |
|
1217 | 1217 | pending.append(msg_id) |
|
1218 | 1218 | elif msg_id in self.all_completed: |
|
1219 | 1219 | completed.append(msg_id) |
|
1220 | 1220 | if not statusonly: |
|
1221 | 1221 | c,bufs = self._extract_record(records[msg_id]) |
|
1222 | 1222 | content[msg_id] = c |
|
1223 | 1223 | buffers.extend(bufs) |
|
1224 | 1224 | elif msg_id in records: |
|
1225 | 1225 | if rec['completed']: |
|
1226 | 1226 | completed.append(msg_id) |
|
1227 | 1227 | c,bufs = self._extract_record(records[msg_id]) |
|
1228 | 1228 | content[msg_id] = c |
|
1229 | 1229 | buffers.extend(bufs) |
|
1230 | 1230 | else: |
|
1231 | 1231 | pending.append(msg_id) |
|
1232 | 1232 | else: |
|
1233 | 1233 | try: |
|
1234 | 1234 | raise KeyError('No such message: '+msg_id) |
|
1235 | 1235 | except: |
|
1236 | 1236 | content = error.wrap_exception() |
|
1237 | 1237 | break |
|
1238 | 1238 | self.session.send(self.query, "result_reply", content=content, |
|
1239 | 1239 | parent=msg, ident=client_id, |
|
1240 | 1240 | buffers=buffers) |
|
1241 | 1241 | |
|
1242 | 1242 | def get_history(self, client_id, msg): |
|
1243 | 1243 | """Get a list of all msg_ids in our DB records""" |
|
1244 | 1244 | try: |
|
1245 | 1245 | msg_ids = self.db.get_history() |
|
1246 | 1246 | except Exception as e: |
|
1247 | 1247 | content = error.wrap_exception() |
|
1248 | 1248 | else: |
|
1249 | 1249 | content = dict(status='ok', history=msg_ids) |
|
1250 | 1250 | |
|
1251 | 1251 | self.session.send(self.query, "history_reply", content=content, |
|
1252 | 1252 | parent=msg, ident=client_id) |
|
1253 | 1253 | |
|
1254 | 1254 | def db_query(self, client_id, msg): |
|
1255 | 1255 | """Perform a raw query on the task record database.""" |
|
1256 | 1256 | content = msg['content'] |
|
1257 | 1257 | query = content.get('query', {}) |
|
1258 | 1258 | keys = content.get('keys', None) |
|
1259 | 1259 | buffers = [] |
|
1260 | 1260 | empty = list() |
|
1261 | 1261 | try: |
|
1262 | 1262 | records = self.db.find_records(query, keys) |
|
1263 | 1263 | except Exception as e: |
|
1264 | 1264 | content = error.wrap_exception() |
|
1265 | 1265 | else: |
|
1266 | 1266 | # extract buffers from reply content: |
|
1267 | 1267 | if keys is not None: |
|
1268 | 1268 | buffer_lens = [] if 'buffers' in keys else None |
|
1269 | 1269 | result_buffer_lens = [] if 'result_buffers' in keys else None |
|
1270 | 1270 | else: |
|
1271 | 1271 | buffer_lens = [] |
|
1272 | 1272 | result_buffer_lens = [] |
|
1273 | 1273 | |
|
1274 | 1274 | for rec in records: |
|
1275 | 1275 | # buffers may be None, so double check |
|
1276 | 1276 | if buffer_lens is not None: |
|
1277 | 1277 | b = rec.pop('buffers', empty) or empty |
|
1278 | 1278 | buffer_lens.append(len(b)) |
|
1279 | 1279 | buffers.extend(b) |
|
1280 | 1280 | if result_buffer_lens is not None: |
|
1281 | 1281 | rb = rec.pop('result_buffers', empty) or empty |
|
1282 | 1282 | result_buffer_lens.append(len(rb)) |
|
1283 | 1283 | buffers.extend(rb) |
|
1284 | 1284 | content = dict(status='ok', records=records, buffer_lens=buffer_lens, |
|
1285 | 1285 | result_buffer_lens=result_buffer_lens) |
|
1286 | 1286 | # self.log.debug (content) |
|
1287 | 1287 | self.session.send(self.query, "db_reply", content=content, |
|
1288 | 1288 | parent=msg, ident=client_id, |
|
1289 | 1289 | buffers=buffers) |
|
1290 | 1290 |
@@ -1,234 +1,234 b'' | |||
|
1 | 1 | """A simple engine that talks to a controller over 0MQ. |
|
2 | 2 | it handles registration, etc. and launches a kernel |
|
3 | 3 | connected to the Controller's Schedulers. |
|
4 | 4 | |
|
5 | 5 | Authors: |
|
6 | 6 | |
|
7 | 7 | * Min RK |
|
8 | 8 | """ |
|
9 | 9 | #----------------------------------------------------------------------------- |
|
10 | 10 | # Copyright (C) 2010-2011 The IPython Development Team |
|
11 | 11 | # |
|
12 | 12 | # Distributed under the terms of the BSD License. The full license is in |
|
13 | 13 | # the file COPYING, distributed as part of this software. |
|
14 | 14 | #----------------------------------------------------------------------------- |
|
15 | 15 | |
|
16 | 16 | from __future__ import print_function |
|
17 | 17 | |
|
18 | 18 | import sys |
|
19 | 19 | import time |
|
20 | 20 | from getpass import getpass |
|
21 | 21 | |
|
22 | 22 | import zmq |
|
23 | 23 | from zmq.eventloop import ioloop, zmqstream |
|
24 | 24 | |
|
25 | 25 | from IPython.external.ssh import tunnel |
|
26 | 26 | # internal |
|
27 | 27 | from IPython.utils.traitlets import ( |
|
28 | 28 | Instance, Dict, Integer, Type, CFloat, Unicode, CBytes, Bool |
|
29 | 29 | ) |
|
30 | # from IPython.utils.localinterfaces import LOCALHOST | |
|
30 | from IPython.utils import py3compat | |
|
31 | 31 | |
|
32 | 32 | from IPython.parallel.controller.heartmonitor import Heart |
|
33 | 33 | from IPython.parallel.factory import RegistrationFactory |
|
34 | 34 | from IPython.parallel.util import disambiguate_url, asbytes |
|
35 | 35 | |
|
36 | 36 | from IPython.zmq.session import Message |
|
37 | 37 | |
|
38 | 38 | from .streamkernel import Kernel |
|
39 | 39 | |
|
40 | 40 | class EngineFactory(RegistrationFactory): |
|
41 | 41 | """IPython engine""" |
|
42 | 42 | |
|
43 | 43 | # configurables: |
|
44 | 44 | out_stream_factory=Type('IPython.zmq.iostream.OutStream', config=True, |
|
45 | 45 | help="""The OutStream for handling stdout/err. |
|
46 | 46 | Typically 'IPython.zmq.iostream.OutStream'""") |
|
47 | 47 | display_hook_factory=Type('IPython.zmq.displayhook.ZMQDisplayHook', config=True, |
|
48 | 48 | help="""The class for handling displayhook. |
|
49 | 49 | Typically 'IPython.zmq.displayhook.ZMQDisplayHook'""") |
|
50 | 50 | location=Unicode(config=True, |
|
51 | 51 | help="""The location (an IP address) of the controller. This is |
|
52 | 52 | used for disambiguating URLs, to determine whether |
|
53 | 53 | loopback should be used to connect or the public address.""") |
|
54 | 54 | timeout=CFloat(2,config=True, |
|
55 | 55 | help="""The time (in seconds) to wait for the Controller to respond |
|
56 | 56 | to registration requests before giving up.""") |
|
57 | 57 | sshserver=Unicode(config=True, |
|
58 | 58 | help="""The SSH server to use for tunneling connections to the Controller.""") |
|
59 | 59 | sshkey=Unicode(config=True, |
|
60 | 60 | help="""The SSH private key file to use when tunneling connections to the Controller.""") |
|
61 | 61 | paramiko=Bool(sys.platform == 'win32', config=True, |
|
62 | 62 | help="""Whether to use paramiko instead of openssh for tunnels.""") |
|
63 | 63 | |
|
64 | 64 | # not configurable: |
|
65 | 65 | user_ns=Dict() |
|
66 | 66 | id=Integer(allow_none=True) |
|
67 | 67 | registrar=Instance('zmq.eventloop.zmqstream.ZMQStream') |
|
68 | 68 | kernel=Instance(Kernel) |
|
69 | 69 | |
|
70 | 70 | bident = CBytes() |
|
71 | 71 | ident = Unicode() |
|
72 | 72 | def _ident_changed(self, name, old, new): |
|
73 | 73 | self.bident = asbytes(new) |
|
74 | 74 | using_ssh=Bool(False) |
|
75 | 75 | |
|
76 | 76 | |
|
77 | 77 | def __init__(self, **kwargs): |
|
78 | 78 | super(EngineFactory, self).__init__(**kwargs) |
|
79 | 79 | self.ident = self.session.session |
|
80 | 80 | |
|
81 | 81 | def init_connector(self): |
|
82 | 82 | """construct connection function, which handles tunnels.""" |
|
83 | 83 | self.using_ssh = bool(self.sshkey or self.sshserver) |
|
84 | 84 | |
|
85 | 85 | if self.sshkey and not self.sshserver: |
|
86 | 86 | # We are using ssh directly to the controller, tunneling localhost to localhost |
|
87 | 87 | self.sshserver = self.url.split('://')[1].split(':')[0] |
|
88 | 88 | |
|
89 | 89 | if self.using_ssh: |
|
90 | 90 | if tunnel.try_passwordless_ssh(self.sshserver, self.sshkey, self.paramiko): |
|
91 | 91 | password=False |
|
92 | 92 | else: |
|
93 | 93 | password = getpass("SSH Password for %s: "%self.sshserver) |
|
94 | 94 | else: |
|
95 | 95 | password = False |
|
96 | 96 | |
|
97 | 97 | def connect(s, url): |
|
98 | 98 | url = disambiguate_url(url, self.location) |
|
99 | 99 | if self.using_ssh: |
|
100 | 100 | self.log.debug("Tunneling connection to %s via %s"%(url, self.sshserver)) |
|
101 | 101 | return tunnel.tunnel_connection(s, url, self.sshserver, |
|
102 | 102 | keyfile=self.sshkey, paramiko=self.paramiko, |
|
103 | 103 | password=password, |
|
104 | 104 | ) |
|
105 | 105 | else: |
|
106 | 106 | return s.connect(url) |
|
107 | 107 | |
|
108 | 108 | def maybe_tunnel(url): |
|
109 | 109 | """like connect, but don't complete the connection (for use by heartbeat)""" |
|
110 | 110 | url = disambiguate_url(url, self.location) |
|
111 | 111 | if self.using_ssh: |
|
112 | 112 | self.log.debug("Tunneling connection to %s via %s"%(url, self.sshserver)) |
|
113 | 113 | url,tunnelobj = tunnel.open_tunnel(url, self.sshserver, |
|
114 | 114 | keyfile=self.sshkey, paramiko=self.paramiko, |
|
115 | 115 | password=password, |
|
116 | 116 | ) |
|
117 | 117 | return url |
|
118 | 118 | return connect, maybe_tunnel |
|
119 | 119 | |
|
120 | 120 | def register(self): |
|
121 | 121 | """send the registration_request""" |
|
122 | 122 | |
|
123 | 123 | self.log.info("Registering with controller at %s"%self.url) |
|
124 | 124 | ctx = self.context |
|
125 | 125 | connect,maybe_tunnel = self.init_connector() |
|
126 | 126 | reg = ctx.socket(zmq.DEALER) |
|
127 | 127 | reg.setsockopt(zmq.IDENTITY, self.bident) |
|
128 | 128 | connect(reg, self.url) |
|
129 | 129 | self.registrar = zmqstream.ZMQStream(reg, self.loop) |
|
130 | 130 | |
|
131 | 131 | |
|
132 | 132 | content = dict(queue=self.ident, heartbeat=self.ident, control=self.ident) |
|
133 | 133 | self.registrar.on_recv(lambda msg: self.complete_registration(msg, connect, maybe_tunnel)) |
|
134 | 134 | # print (self.session.key) |
|
135 | 135 | self.session.send(self.registrar, "registration_request",content=content) |
|
136 | 136 | |
|
137 | 137 | def complete_registration(self, msg, connect, maybe_tunnel): |
|
138 | 138 | # print msg |
|
139 | 139 | self._abort_dc.stop() |
|
140 | 140 | ctx = self.context |
|
141 | 141 | loop = self.loop |
|
142 | 142 | identity = self.bident |
|
143 | 143 | idents,msg = self.session.feed_identities(msg) |
|
144 | 144 | msg = Message(self.session.unserialize(msg)) |
|
145 | 145 | |
|
146 | 146 | if msg.content.status == 'ok': |
|
147 | 147 | self.id = int(msg.content.id) |
|
148 | 148 | |
|
149 | 149 | # launch heartbeat |
|
150 | 150 | hb_addrs = msg.content.heartbeat |
|
151 | 151 | |
|
152 | 152 | # possibly forward hb ports with tunnels |
|
153 | 153 | hb_addrs = [ maybe_tunnel(addr) for addr in hb_addrs ] |
|
154 | 154 | heart = Heart(*map(str, hb_addrs), heart_id=identity) |
|
155 | 155 | heart.start() |
|
156 | 156 | |
|
157 | 157 | # create Shell Streams (MUX, Task, etc.): |
|
158 | 158 | queue_addr = msg.content.mux |
|
159 | 159 | shell_addrs = [ str(queue_addr) ] |
|
160 | 160 | task_addr = msg.content.task |
|
161 | 161 | if task_addr: |
|
162 | 162 | shell_addrs.append(str(task_addr)) |
|
163 | 163 | |
|
164 | 164 | # Uncomment this to go back to two-socket model |
|
165 | 165 | # shell_streams = [] |
|
166 | 166 | # for addr in shell_addrs: |
|
167 | 167 | # stream = zmqstream.ZMQStream(ctx.socket(zmq.ROUTER), loop) |
|
168 | 168 | # stream.setsockopt(zmq.IDENTITY, identity) |
|
169 | 169 | # stream.connect(disambiguate_url(addr, self.location)) |
|
170 | 170 | # shell_streams.append(stream) |
|
171 | 171 | |
|
172 | 172 | # Now use only one shell stream for mux and tasks |
|
173 | 173 | stream = zmqstream.ZMQStream(ctx.socket(zmq.ROUTER), loop) |
|
174 | 174 | stream.setsockopt(zmq.IDENTITY, identity) |
|
175 | 175 | shell_streams = [stream] |
|
176 | 176 | for addr in shell_addrs: |
|
177 | 177 | connect(stream, addr) |
|
178 | 178 | # end single stream-socket |
|
179 | 179 | |
|
180 | 180 | # control stream: |
|
181 | 181 | control_addr = str(msg.content.control) |
|
182 | 182 | control_stream = zmqstream.ZMQStream(ctx.socket(zmq.ROUTER), loop) |
|
183 | 183 | control_stream.setsockopt(zmq.IDENTITY, identity) |
|
184 | 184 | connect(control_stream, control_addr) |
|
185 | 185 | |
|
186 | 186 | # create iopub stream: |
|
187 | 187 | iopub_addr = msg.content.iopub |
|
188 | 188 | iopub_stream = zmqstream.ZMQStream(ctx.socket(zmq.PUB), loop) |
|
189 | 189 | iopub_stream.setsockopt(zmq.IDENTITY, identity) |
|
190 | 190 | connect(iopub_stream, iopub_addr) |
|
191 | 191 | |
|
192 | 192 | # # Redirect input streams and set a display hook. |
|
193 | 193 | if self.out_stream_factory: |
|
194 | 194 | sys.stdout = self.out_stream_factory(self.session, iopub_stream, u'stdout') |
|
195 | sys.stdout.topic = 'engine.%i.stdout'%self.id | |
|
195 | sys.stdout.topic = py3compat.cast_bytes('engine.%i.stdout' % self.id) | |
|
196 | 196 | sys.stderr = self.out_stream_factory(self.session, iopub_stream, u'stderr') |
|
197 | sys.stderr.topic = 'engine.%i.stderr'%self.id | |
|
197 | sys.stderr.topic = py3compat.cast_bytes('engine.%i.stderr' % self.id) | |
|
198 | 198 | if self.display_hook_factory: |
|
199 | 199 | sys.displayhook = self.display_hook_factory(self.session, iopub_stream) |
|
200 | sys.displayhook.topic = 'engine.%i.pyout'%self.id | |
|
200 | sys.displayhook.topic = py3compat.cast_bytes('engine.%i.pyout' % self.id) | |
|
201 | 201 | |
|
202 | 202 | self.kernel = Kernel(config=self.config, int_id=self.id, ident=self.ident, session=self.session, |
|
203 | 203 | control_stream=control_stream, shell_streams=shell_streams, iopub_stream=iopub_stream, |
|
204 | 204 | loop=loop, user_ns = self.user_ns, log=self.log) |
|
205 | 205 | self.kernel.start() |
|
206 | 206 | |
|
207 | 207 | |
|
208 | 208 | else: |
|
209 | 209 | self.log.fatal("Registration Failed: %s"%msg) |
|
210 | 210 | raise Exception("Registration Failed: %s"%msg) |
|
211 | 211 | |
|
212 | 212 | self.log.info("Completed registration with id %i"%self.id) |
|
213 | 213 | |
|
214 | 214 | |
|
215 | 215 | def abort(self): |
|
216 | 216 | self.log.fatal("Registration timed out after %.1f seconds"%self.timeout) |
|
217 | 217 | if self.url.startswith('127.'): |
|
218 | 218 | self.log.fatal(""" |
|
219 | 219 | If the controller and engines are not on the same machine, |
|
220 | 220 | you will have to instruct the controller to listen on an external IP (in ipcontroller_config.py): |
|
221 | 221 | c.HubFactory.ip='*' # for all interfaces, internal and external |
|
222 | 222 | c.HubFactory.ip='192.168.1.101' # or any interface that the engines can see |
|
223 | 223 | or tunnel connections via ssh. |
|
224 | 224 | """) |
|
225 | 225 | self.session.send(self.registrar, "unregistration_request", content=dict(id=self.id)) |
|
226 | 226 | time.sleep(1) |
|
227 | 227 | sys.exit(255) |
|
228 | 228 | |
|
229 | 229 | def start(self): |
|
230 | 230 | dc = ioloop.DelayedCallback(self.register, 0, self.loop) |
|
231 | 231 | dc.start() |
|
232 | 232 | self._abort_dc = ioloop.DelayedCallback(self.abort, self.timeout*1000, self.loop) |
|
233 | 233 | self._abort_dc.start() |
|
234 | 234 |
@@ -1,460 +1,463 b'' | |||
|
1 | 1 | # -*- coding: utf-8 -*- |
|
2 | 2 | """test View objects |
|
3 | 3 | |
|
4 | 4 | Authors: |
|
5 | 5 | |
|
6 | 6 | * Min RK |
|
7 | 7 | """ |
|
8 | 8 | #------------------------------------------------------------------------------- |
|
9 | 9 | # Copyright (C) 2011 The IPython Development Team |
|
10 | 10 | # |
|
11 | 11 | # Distributed under the terms of the BSD License. The full license is in |
|
12 | 12 | # the file COPYING, distributed as part of this software. |
|
13 | 13 | #------------------------------------------------------------------------------- |
|
14 | 14 | |
|
15 | 15 | #------------------------------------------------------------------------------- |
|
16 | 16 | # Imports |
|
17 | 17 | #------------------------------------------------------------------------------- |
|
18 | 18 | |
|
19 | 19 | import sys |
|
20 | 20 | import time |
|
21 | 21 | from tempfile import mktemp |
|
22 | 22 | from StringIO import StringIO |
|
23 | 23 | |
|
24 | 24 | import zmq |
|
25 | 25 | from nose import SkipTest |
|
26 | 26 | |
|
27 | from IPython.testing import decorators as dec | |
|
28 | ||
|
27 | 29 | from IPython import parallel as pmod |
|
28 | 30 | from IPython.parallel import error |
|
29 | 31 | from IPython.parallel import AsyncResult, AsyncHubResult, AsyncMapResult |
|
30 | 32 | from IPython.parallel import DirectView |
|
31 | 33 | from IPython.parallel.util import interactive |
|
32 | 34 | |
|
33 | 35 | from IPython.parallel.tests import add_engines |
|
34 | 36 | |
|
35 | 37 | from .clienttest import ClusterTestCase, crash, wait, skip_without |
|
36 | 38 | |
|
37 | 39 | def setup(): |
|
38 | 40 | add_engines(3) |
|
39 | 41 | |
|
40 | 42 | class TestView(ClusterTestCase): |
|
41 | 43 | |
|
42 | 44 | def test_z_crash_mux(self): |
|
43 | 45 | """test graceful handling of engine death (direct)""" |
|
44 | 46 | raise SkipTest("crash tests disabled, due to undesirable crash reports") |
|
45 | 47 | # self.add_engines(1) |
|
46 | 48 | eid = self.client.ids[-1] |
|
47 | 49 | ar = self.client[eid].apply_async(crash) |
|
48 | 50 | self.assertRaisesRemote(error.EngineError, ar.get, 10) |
|
49 | 51 | eid = ar.engine_id |
|
50 | 52 | tic = time.time() |
|
51 | 53 | while eid in self.client.ids and time.time()-tic < 5: |
|
52 | 54 | time.sleep(.01) |
|
53 | 55 | self.client.spin() |
|
54 | 56 | self.assertFalse(eid in self.client.ids, "Engine should have died") |
|
55 | 57 | |
|
56 | 58 | def test_push_pull(self): |
|
57 | 59 | """test pushing and pulling""" |
|
58 | 60 | data = dict(a=10, b=1.05, c=range(10), d={'e':(1,2),'f':'hi'}) |
|
59 | 61 | t = self.client.ids[-1] |
|
60 | 62 | v = self.client[t] |
|
61 | 63 | push = v.push |
|
62 | 64 | pull = v.pull |
|
63 | 65 | v.block=True |
|
64 | 66 | nengines = len(self.client) |
|
65 | 67 | push({'data':data}) |
|
66 | 68 | d = pull('data') |
|
67 | 69 | self.assertEquals(d, data) |
|
68 | 70 | self.client[:].push({'data':data}) |
|
69 | 71 | d = self.client[:].pull('data', block=True) |
|
70 | 72 | self.assertEquals(d, nengines*[data]) |
|
71 | 73 | ar = push({'data':data}, block=False) |
|
72 | 74 | self.assertTrue(isinstance(ar, AsyncResult)) |
|
73 | 75 | r = ar.get() |
|
74 | 76 | ar = self.client[:].pull('data', block=False) |
|
75 | 77 | self.assertTrue(isinstance(ar, AsyncResult)) |
|
76 | 78 | r = ar.get() |
|
77 | 79 | self.assertEquals(r, nengines*[data]) |
|
78 | 80 | self.client[:].push(dict(a=10,b=20)) |
|
79 | 81 | r = self.client[:].pull(('a','b'), block=True) |
|
80 | 82 | self.assertEquals(r, nengines*[[10,20]]) |
|
81 | 83 | |
|
82 | 84 | def test_push_pull_function(self): |
|
83 | 85 | "test pushing and pulling functions" |
|
84 | 86 | def testf(x): |
|
85 | 87 | return 2.0*x |
|
86 | 88 | |
|
87 | 89 | t = self.client.ids[-1] |
|
88 | 90 | v = self.client[t] |
|
89 | 91 | v.block=True |
|
90 | 92 | push = v.push |
|
91 | 93 | pull = v.pull |
|
92 | 94 | execute = v.execute |
|
93 | 95 | push({'testf':testf}) |
|
94 | 96 | r = pull('testf') |
|
95 | 97 | self.assertEqual(r(1.0), testf(1.0)) |
|
96 | 98 | execute('r = testf(10)') |
|
97 | 99 | r = pull('r') |
|
98 | 100 | self.assertEquals(r, testf(10)) |
|
99 | 101 | ar = self.client[:].push({'testf':testf}, block=False) |
|
100 | 102 | ar.get() |
|
101 | 103 | ar = self.client[:].pull('testf', block=False) |
|
102 | 104 | rlist = ar.get() |
|
103 | 105 | for r in rlist: |
|
104 | 106 | self.assertEqual(r(1.0), testf(1.0)) |
|
105 | 107 | execute("def g(x): return x*x") |
|
106 | 108 | r = pull(('testf','g')) |
|
107 | 109 | self.assertEquals((r[0](10),r[1](10)), (testf(10), 100)) |
|
108 | 110 | |
|
109 | 111 | def test_push_function_globals(self): |
|
110 | 112 | """test that pushed functions have access to globals""" |
|
111 | 113 | @interactive |
|
112 | 114 | def geta(): |
|
113 | 115 | return a |
|
114 | 116 | # self.add_engines(1) |
|
115 | 117 | v = self.client[-1] |
|
116 | 118 | v.block=True |
|
117 | 119 | v['f'] = geta |
|
118 | 120 | self.assertRaisesRemote(NameError, v.execute, 'b=f()') |
|
119 | 121 | v.execute('a=5') |
|
120 | 122 | v.execute('b=f()') |
|
121 | 123 | self.assertEquals(v['b'], 5) |
|
122 | 124 | |
|
123 | 125 | def test_push_function_defaults(self): |
|
124 | 126 | """test that pushed functions preserve default args""" |
|
125 | 127 | def echo(a=10): |
|
126 | 128 | return a |
|
127 | 129 | v = self.client[-1] |
|
128 | 130 | v.block=True |
|
129 | 131 | v['f'] = echo |
|
130 | 132 | v.execute('b=f()') |
|
131 | 133 | self.assertEquals(v['b'], 10) |
|
132 | 134 | |
|
133 | 135 | def test_get_result(self): |
|
134 | 136 | """test getting results from the Hub.""" |
|
135 | 137 | c = pmod.Client(profile='iptest') |
|
136 | 138 | # self.add_engines(1) |
|
137 | 139 | t = c.ids[-1] |
|
138 | 140 | v = c[t] |
|
139 | 141 | v2 = self.client[t] |
|
140 | 142 | ar = v.apply_async(wait, 1) |
|
141 | 143 | # give the monitor time to notice the message |
|
142 | 144 | time.sleep(.25) |
|
143 | 145 | ahr = v2.get_result(ar.msg_ids) |
|
144 | 146 | self.assertTrue(isinstance(ahr, AsyncHubResult)) |
|
145 | 147 | self.assertEquals(ahr.get(), ar.get()) |
|
146 | 148 | ar2 = v2.get_result(ar.msg_ids) |
|
147 | 149 | self.assertFalse(isinstance(ar2, AsyncHubResult)) |
|
148 | 150 | c.spin() |
|
149 | 151 | c.close() |
|
150 | 152 | |
|
151 | 153 | def test_run_newline(self): |
|
152 | 154 | """test that run appends newline to files""" |
|
153 | 155 | tmpfile = mktemp() |
|
154 | 156 | with open(tmpfile, 'w') as f: |
|
155 | 157 | f.write("""def g(): |
|
156 | 158 | return 5 |
|
157 | 159 | """) |
|
158 | 160 | v = self.client[-1] |
|
159 | 161 | v.run(tmpfile, block=True) |
|
160 | 162 | self.assertEquals(v.apply_sync(lambda f: f(), pmod.Reference('g')), 5) |
|
161 | 163 | |
|
162 | 164 | def test_apply_tracked(self): |
|
163 | 165 | """test tracking for apply""" |
|
164 | 166 | # self.add_engines(1) |
|
165 | 167 | t = self.client.ids[-1] |
|
166 | 168 | v = self.client[t] |
|
167 | 169 | v.block=False |
|
168 | 170 | def echo(n=1024*1024, **kwargs): |
|
169 | 171 | with v.temp_flags(**kwargs): |
|
170 | 172 | return v.apply(lambda x: x, 'x'*n) |
|
171 | 173 | ar = echo(1, track=False) |
|
172 | 174 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
173 | 175 | self.assertTrue(ar.sent) |
|
174 | 176 | ar = echo(track=True) |
|
175 | 177 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
176 | 178 | self.assertEquals(ar.sent, ar._tracker.done) |
|
177 | 179 | ar._tracker.wait() |
|
178 | 180 | self.assertTrue(ar.sent) |
|
179 | 181 | |
|
180 | 182 | def test_push_tracked(self): |
|
181 | 183 | t = self.client.ids[-1] |
|
182 | 184 | ns = dict(x='x'*1024*1024) |
|
183 | 185 | v = self.client[t] |
|
184 | 186 | ar = v.push(ns, block=False, track=False) |
|
185 | 187 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
186 | 188 | self.assertTrue(ar.sent) |
|
187 | 189 | |
|
188 | 190 | ar = v.push(ns, block=False, track=True) |
|
189 | 191 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
190 | 192 | ar._tracker.wait() |
|
191 | 193 | self.assertEquals(ar.sent, ar._tracker.done) |
|
192 | 194 | self.assertTrue(ar.sent) |
|
193 | 195 | ar.get() |
|
194 | 196 | |
|
195 | 197 | def test_scatter_tracked(self): |
|
196 | 198 | t = self.client.ids |
|
197 | 199 | x='x'*1024*1024 |
|
198 | 200 | ar = self.client[t].scatter('x', x, block=False, track=False) |
|
199 | 201 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
200 | 202 | self.assertTrue(ar.sent) |
|
201 | 203 | |
|
202 | 204 | ar = self.client[t].scatter('x', x, block=False, track=True) |
|
203 | 205 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
204 | 206 | self.assertEquals(ar.sent, ar._tracker.done) |
|
205 | 207 | ar._tracker.wait() |
|
206 | 208 | self.assertTrue(ar.sent) |
|
207 | 209 | ar.get() |
|
208 | 210 | |
|
209 | 211 | def test_remote_reference(self): |
|
210 | 212 | v = self.client[-1] |
|
211 | 213 | v['a'] = 123 |
|
212 | 214 | ra = pmod.Reference('a') |
|
213 | 215 | b = v.apply_sync(lambda x: x, ra) |
|
214 | 216 | self.assertEquals(b, 123) |
|
215 | 217 | |
|
216 | 218 | |
|
217 | 219 | def test_scatter_gather(self): |
|
218 | 220 | view = self.client[:] |
|
219 | 221 | seq1 = range(16) |
|
220 | 222 | view.scatter('a', seq1) |
|
221 | 223 | seq2 = view.gather('a', block=True) |
|
222 | 224 | self.assertEquals(seq2, seq1) |
|
223 | 225 | self.assertRaisesRemote(NameError, view.gather, 'asdf', block=True) |
|
224 | 226 | |
|
225 | 227 | @skip_without('numpy') |
|
226 | 228 | def test_scatter_gather_numpy(self): |
|
227 | 229 | import numpy |
|
228 | 230 | from numpy.testing.utils import assert_array_equal, assert_array_almost_equal |
|
229 | 231 | view = self.client[:] |
|
230 | 232 | a = numpy.arange(64) |
|
231 | 233 | view.scatter('a', a) |
|
232 | 234 | b = view.gather('a', block=True) |
|
233 | 235 | assert_array_equal(b, a) |
|
234 | 236 | |
|
235 | 237 | def test_map(self): |
|
236 | 238 | view = self.client[:] |
|
237 | 239 | def f(x): |
|
238 | 240 | return x**2 |
|
239 | 241 | data = range(16) |
|
240 | 242 | r = view.map_sync(f, data) |
|
241 | 243 | self.assertEquals(r, map(f, data)) |
|
242 | 244 | |
|
243 | 245 | def test_map_iterable(self): |
|
244 | 246 | """test map on iterables (direct)""" |
|
245 | 247 | view = self.client[:] |
|
246 | 248 | # 101 is prime, so it won't be evenly distributed |
|
247 | 249 | arr = range(101) |
|
248 | 250 | # ensure it will be an iterator, even in Python 3 |
|
249 | 251 | it = iter(arr) |
|
250 | 252 | r = view.map_sync(lambda x:x, arr) |
|
251 | 253 | self.assertEquals(r, list(arr)) |
|
252 | 254 | |
|
253 | 255 | def test_scatterGatherNonblocking(self): |
|
254 | 256 | data = range(16) |
|
255 | 257 | view = self.client[:] |
|
256 | 258 | view.scatter('a', data, block=False) |
|
257 | 259 | ar = view.gather('a', block=False) |
|
258 | 260 | self.assertEquals(ar.get(), data) |
|
259 | 261 | |
|
260 | 262 | @skip_without('numpy') |
|
261 | 263 | def test_scatter_gather_numpy_nonblocking(self): |
|
262 | 264 | import numpy |
|
263 | 265 | from numpy.testing.utils import assert_array_equal, assert_array_almost_equal |
|
264 | 266 | a = numpy.arange(64) |
|
265 | 267 | view = self.client[:] |
|
266 | 268 | ar = view.scatter('a', a, block=False) |
|
267 | 269 | self.assertTrue(isinstance(ar, AsyncResult)) |
|
268 | 270 | amr = view.gather('a', block=False) |
|
269 | 271 | self.assertTrue(isinstance(amr, AsyncMapResult)) |
|
270 | 272 | assert_array_equal(amr.get(), a) |
|
271 | 273 | |
|
272 | 274 | def test_execute(self): |
|
273 | 275 | view = self.client[:] |
|
274 | 276 | # self.client.debug=True |
|
275 | 277 | execute = view.execute |
|
276 | 278 | ar = execute('c=30', block=False) |
|
277 | 279 | self.assertTrue(isinstance(ar, AsyncResult)) |
|
278 | 280 | ar = execute('d=[0,1,2]', block=False) |
|
279 | 281 | self.client.wait(ar, 1) |
|
280 | 282 | self.assertEquals(len(ar.get()), len(self.client)) |
|
281 | 283 | for c in view['c']: |
|
282 | 284 | self.assertEquals(c, 30) |
|
283 | 285 | |
|
284 | 286 | def test_abort(self): |
|
285 | 287 | view = self.client[-1] |
|
286 | 288 | ar = view.execute('import time; time.sleep(1)', block=False) |
|
287 | 289 | ar2 = view.apply_async(lambda : 2) |
|
288 | 290 | ar3 = view.apply_async(lambda : 3) |
|
289 | 291 | view.abort(ar2) |
|
290 | 292 | view.abort(ar3.msg_ids) |
|
291 | 293 | self.assertRaises(error.TaskAborted, ar2.get) |
|
292 | 294 | self.assertRaises(error.TaskAborted, ar3.get) |
|
293 | 295 | |
|
294 | 296 | def test_temp_flags(self): |
|
295 | 297 | view = self.client[-1] |
|
296 | 298 | view.block=True |
|
297 | 299 | with view.temp_flags(block=False): |
|
298 | 300 | self.assertFalse(view.block) |
|
299 | 301 | self.assertTrue(view.block) |
|
300 | 302 | |
|
303 | @dec.known_failure_py3 | |
|
301 | 304 | def test_importer(self): |
|
302 | 305 | view = self.client[-1] |
|
303 | 306 | view.clear(block=True) |
|
304 | 307 | with view.importer: |
|
305 | 308 | import re |
|
306 | 309 | |
|
307 | 310 | @interactive |
|
308 | 311 | def findall(pat, s): |
|
309 | 312 | # this globals() step isn't necessary in real code |
|
310 | 313 | # only to prevent a closure in the test |
|
311 | 314 | re = globals()['re'] |
|
312 | 315 | return re.findall(pat, s) |
|
313 | 316 | |
|
314 | 317 | self.assertEquals(view.apply_sync(findall, '\w+', 'hello world'), 'hello world'.split()) |
|
315 | 318 | |
|
316 | 319 | # parallel magic tests |
|
317 | 320 | |
|
318 | 321 | def test_magic_px_blocking(self): |
|
319 | 322 | ip = get_ipython() |
|
320 | 323 | v = self.client[-1] |
|
321 | 324 | v.activate() |
|
322 | 325 | v.block=True |
|
323 | 326 | |
|
324 | 327 | ip.magic_px('a=5') |
|
325 | 328 | self.assertEquals(v['a'], 5) |
|
326 | 329 | ip.magic_px('a=10') |
|
327 | 330 | self.assertEquals(v['a'], 10) |
|
328 | 331 | sio = StringIO() |
|
329 | 332 | savestdout = sys.stdout |
|
330 | 333 | sys.stdout = sio |
|
331 | 334 | # just 'print a' worst ~99% of the time, but this ensures that |
|
332 | 335 | # the stdout message has arrived when the result is finished: |
|
333 | ip.magic_px('import sys,time;print a; sys.stdout.flush();time.sleep(0.2)') | |
|
336 | ip.magic_px('import sys,time;print (a); sys.stdout.flush();time.sleep(0.2)') | |
|
334 | 337 | sys.stdout = savestdout |
|
335 | 338 | buf = sio.getvalue() |
|
336 | 339 | self.assertTrue('[stdout:' in buf, buf) |
|
337 | 340 | self.assertTrue(buf.rstrip().endswith('10')) |
|
338 | 341 | self.assertRaisesRemote(ZeroDivisionError, ip.magic_px, '1/0') |
|
339 | 342 | |
|
340 | 343 | def test_magic_px_nonblocking(self): |
|
341 | 344 | ip = get_ipython() |
|
342 | 345 | v = self.client[-1] |
|
343 | 346 | v.activate() |
|
344 | 347 | v.block=False |
|
345 | 348 | |
|
346 | 349 | ip.magic_px('a=5') |
|
347 | 350 | self.assertEquals(v['a'], 5) |
|
348 | 351 | ip.magic_px('a=10') |
|
349 | 352 | self.assertEquals(v['a'], 10) |
|
350 | 353 | sio = StringIO() |
|
351 | 354 | savestdout = sys.stdout |
|
352 | 355 | sys.stdout = sio |
|
353 | 356 | ip.magic_px('print a') |
|
354 | 357 | sys.stdout = savestdout |
|
355 | 358 | buf = sio.getvalue() |
|
356 | 359 | self.assertFalse('[stdout:%i]'%v.targets in buf) |
|
357 | 360 | ip.magic_px('1/0') |
|
358 | 361 | ar = v.get_result(-1) |
|
359 | 362 | self.assertRaisesRemote(ZeroDivisionError, ar.get) |
|
360 | 363 | |
|
361 | 364 | def test_magic_autopx_blocking(self): |
|
362 | 365 | ip = get_ipython() |
|
363 | 366 | v = self.client[-1] |
|
364 | 367 | v.activate() |
|
365 | 368 | v.block=True |
|
366 | 369 | |
|
367 | 370 | sio = StringIO() |
|
368 | 371 | savestdout = sys.stdout |
|
369 | 372 | sys.stdout = sio |
|
370 | 373 | ip.magic_autopx() |
|
371 | 374 | ip.run_cell('\n'.join(('a=5','b=10','c=0'))) |
|
372 | 375 | ip.run_cell('print b') |
|
373 | 376 | ip.run_cell("b/c") |
|
374 | 377 | ip.run_code(compile('b*=2', '', 'single')) |
|
375 | 378 | ip.magic_autopx() |
|
376 | 379 | sys.stdout = savestdout |
|
377 | 380 | output = sio.getvalue().strip() |
|
378 | 381 | self.assertTrue(output.startswith('%autopx enabled')) |
|
379 | 382 | self.assertTrue(output.endswith('%autopx disabled')) |
|
380 | 383 | self.assertTrue('RemoteError: ZeroDivisionError' in output) |
|
381 | 384 | ar = v.get_result(-2) |
|
382 | 385 | self.assertEquals(v['a'], 5) |
|
383 | 386 | self.assertEquals(v['b'], 20) |
|
384 | 387 | self.assertRaisesRemote(ZeroDivisionError, ar.get) |
|
385 | 388 | |
|
386 | 389 | def test_magic_autopx_nonblocking(self): |
|
387 | 390 | ip = get_ipython() |
|
388 | 391 | v = self.client[-1] |
|
389 | 392 | v.activate() |
|
390 | 393 | v.block=False |
|
391 | 394 | |
|
392 | 395 | sio = StringIO() |
|
393 | 396 | savestdout = sys.stdout |
|
394 | 397 | sys.stdout = sio |
|
395 | 398 | ip.magic_autopx() |
|
396 | 399 | ip.run_cell('\n'.join(('a=5','b=10','c=0'))) |
|
397 | 400 | ip.run_cell('print b') |
|
398 | 401 | ip.run_cell("b/c") |
|
399 | 402 | ip.run_code(compile('b*=2', '', 'single')) |
|
400 | 403 | ip.magic_autopx() |
|
401 | 404 | sys.stdout = savestdout |
|
402 | 405 | output = sio.getvalue().strip() |
|
403 | 406 | self.assertTrue(output.startswith('%autopx enabled')) |
|
404 | 407 | self.assertTrue(output.endswith('%autopx disabled')) |
|
405 | 408 | self.assertFalse('ZeroDivisionError' in output) |
|
406 | 409 | ar = v.get_result(-2) |
|
407 | 410 | self.assertEquals(v['a'], 5) |
|
408 | 411 | self.assertEquals(v['b'], 20) |
|
409 | 412 | self.assertRaisesRemote(ZeroDivisionError, ar.get) |
|
410 | 413 | |
|
411 | 414 | def test_magic_result(self): |
|
412 | 415 | ip = get_ipython() |
|
413 | 416 | v = self.client[-1] |
|
414 | 417 | v.activate() |
|
415 | 418 | v['a'] = 111 |
|
416 | 419 | ra = v['a'] |
|
417 | 420 | |
|
418 | 421 | ar = ip.magic_result() |
|
419 | 422 | self.assertEquals(ar.msg_ids, [v.history[-1]]) |
|
420 | 423 | self.assertEquals(ar.get(), 111) |
|
421 | 424 | ar = ip.magic_result('-2') |
|
422 | 425 | self.assertEquals(ar.msg_ids, [v.history[-2]]) |
|
423 | 426 | |
|
424 | 427 | def test_unicode_execute(self): |
|
425 | 428 | """test executing unicode strings""" |
|
426 | 429 | v = self.client[-1] |
|
427 | 430 | v.block=True |
|
428 | 431 | if sys.version_info[0] >= 3: |
|
429 | 432 | code="a='é'" |
|
430 | 433 | else: |
|
431 | 434 | code=u"a=u'é'" |
|
432 | 435 | v.execute(code) |
|
433 | 436 | self.assertEquals(v['a'], u'é') |
|
434 | 437 | |
|
435 | 438 | def test_unicode_apply_result(self): |
|
436 | 439 | """test unicode apply results""" |
|
437 | 440 | v = self.client[-1] |
|
438 | 441 | r = v.apply_sync(lambda : u'é') |
|
439 | 442 | self.assertEquals(r, u'é') |
|
440 | 443 | |
|
441 | 444 | def test_unicode_apply_arg(self): |
|
442 | 445 | """test passing unicode arguments to apply""" |
|
443 | 446 | v = self.client[-1] |
|
444 | 447 | |
|
445 | 448 | @interactive |
|
446 | 449 | def check_unicode(a, check): |
|
447 | 450 | assert isinstance(a, unicode), "%r is not unicode"%a |
|
448 | 451 | assert isinstance(check, bytes), "%r is not bytes"%check |
|
449 | 452 | assert a.encode('utf8') == check, "%s != %s"%(a,check) |
|
450 | 453 | |
|
451 | 454 | for s in [ u'é', u'ßø®∫',u'asdf' ]: |
|
452 | 455 | try: |
|
453 | 456 | v.apply_sync(check_unicode, s, s.encode('utf8')) |
|
454 | 457 | except error.RemoteError as e: |
|
455 | 458 | if e.ename == 'AssertionError': |
|
456 | 459 | self.fail(e.evalue) |
|
457 | 460 | else: |
|
458 | 461 | raise e |
|
459 | 462 | |
|
460 | 463 |
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