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@@ -1,210 +1,220 b'' | |||
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1 | 1 | # encoding: utf-8 |
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2 | 2 | """ |
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3 | 3 | An application for managing IPython profiles. |
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4 | 4 | |
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5 | 5 | To be invoked as the `ipython profile` subcommand. |
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6 | 6 | |
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7 | 7 | Authors: |
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8 | 8 | |
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9 | 9 | * Min RK |
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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 | import logging |
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25 | 25 | import os |
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26 | 26 | |
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27 | 27 | from IPython.config.application import Application, boolean_flag |
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28 | 28 | from IPython.core.application import ( |
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29 | 29 | BaseIPythonApplication, base_flags, base_aliases |
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30 | 30 | ) |
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31 | 31 | from IPython.core.profiledir import ProfileDir |
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32 | 32 | from IPython.utils.path import get_ipython_dir |
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33 | 33 | from IPython.utils.traitlets import Unicode, Bool, Dict |
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34 | 34 | |
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35 | 35 | #----------------------------------------------------------------------------- |
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36 | 36 | # Constants |
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37 | 37 | #----------------------------------------------------------------------------- |
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38 | 38 | |
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39 | 39 | create_help = """Create an ipcluster profile by name |
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40 | 40 | |
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41 | 41 | Create an ipython profile directory by its name or |
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42 | 42 | profile directory path. Profile directories contain |
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43 | 43 | configuration, log and security related files and are named |
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44 | 44 | using the convention 'profile_<name>'. By default they are |
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45 | 45 | located in your ipython directory. Once created, you will |
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46 | 46 | can edit the configuration files in the profile |
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47 | 47 | directory to configure IPython. Most users will create a |
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48 | 48 | cluster directory by profile name, |
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49 | 49 | `ipython profile create myprofile`, which will put the directory |
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50 | 50 | in `<ipython_dir>/profile_myprofile`. |
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51 | 51 | """ |
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52 | 52 | list_help = """List available IPython profiles |
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53 | 53 | |
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54 | 54 | List all available profiles, by profile location, that can |
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55 | 55 | be found in the current working directly or in the ipython |
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56 | 56 | directory. Profile directories are named using the convention |
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57 | 57 | 'profile_<profile>'. |
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58 | 58 | """ |
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59 | 59 | profile_help = """Manage IPython profiles |
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60 | 60 | |
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61 | 61 | Profile directories contain |
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62 | 62 | configuration, log and security related files and are named |
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63 | 63 | using the convention 'profile_<name>'. By default they are |
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64 | 64 | located in your ipython directory. You can create profiles |
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65 | 65 | with `ipython profile create <name>`, or see the profiles you |
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66 | 66 | already have with `ipython profile list` |
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67 | 67 | |
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68 | 68 | To get started configuring IPython, simply do: |
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69 | 69 | |
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70 | 70 | $> ipython profile create |
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71 | 71 | |
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72 | 72 | and IPython will create the default profile in <ipython_dir>/profile_default, |
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73 | 73 | where you can edit ipython_config.py to start configuring IPython. |
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74 | 74 | |
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75 | 75 | """ |
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76 | 76 | |
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77 | 77 | #----------------------------------------------------------------------------- |
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78 | 78 | # Profile Application Class (for `ipython profile` subcommand) |
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79 | 79 | #----------------------------------------------------------------------------- |
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80 | 80 | |
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81 | 81 | |
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82 | 82 | |
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83 | 83 | class ProfileList(Application): |
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84 | 84 | name = u'ipython-profile' |
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85 | 85 | description = list_help |
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86 | 86 | |
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87 | 87 | aliases = Dict(dict( |
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88 | 88 | ipython_dir = 'ProfileList.ipython_dir', |
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89 | 89 | log_level = 'Application.log_level', |
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90 | 90 | )) |
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91 | 91 | flags = Dict(dict( |
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92 | 92 | debug = ({'Application' : {'log_level' : 0}}, |
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93 | 93 | "Set log_level to 0, maximizing log output." |
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94 | 94 | ) |
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95 | 95 | )) |
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96 | 96 | ipython_dir = Unicode(get_ipython_dir(), config=True, |
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97 | 97 | help=""" |
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98 | 98 | The name of the IPython directory. This directory is used for logging |
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99 | 99 | configuration (through profiles), history storage, etc. The default |
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100 | 100 | is usually $HOME/.ipython. This options can also be specified through |
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101 | 101 | the environment variable IPYTHON_DIR. |
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102 | 102 | """ |
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103 | 103 | ) |
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104 | 104 | |
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105 | 105 | def list_profile_dirs(self): |
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106 | 106 | # Find the search paths |
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107 | 107 | paths = [os.getcwdu(), self.ipython_dir] |
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108 | 108 | |
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109 | 109 | self.log.warn('Searching for IPython profiles in paths: %r' % paths) |
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110 | 110 | for path in paths: |
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111 | 111 | files = os.listdir(path) |
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112 | 112 | for f in files: |
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113 | 113 | full_path = os.path.join(path, f) |
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114 | 114 | if os.path.isdir(full_path) and f.startswith('profile_'): |
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115 | 115 | profile = f.split('_',1)[-1] |
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116 | 116 | start_cmd = 'ipython profile=%s' % profile |
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117 | 117 | print start_cmd + " ==> " + full_path |
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118 | 118 | |
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119 | 119 | def start(self): |
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120 | 120 | self.list_profile_dirs() |
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121 | 121 | |
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122 | 122 | |
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123 | 123 | create_flags = {} |
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124 | 124 | create_flags.update(base_flags) |
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125 | 125 | create_flags.update(boolean_flag('reset', 'ProfileCreate.overwrite', |
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126 | 126 | "reset config files to defaults", "leave existing config files")) |
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127 | 127 | create_flags.update(boolean_flag('cluster', 'ProfileCreate.cluster', |
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128 | 128 | "Include parallel computing config files", |
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129 | 129 | "Don't include parallel computing config files")) |
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130 | 130 | |
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131 | 131 | class ProfileCreate(BaseIPythonApplication): |
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132 | 132 | name = u'ipython-profile' |
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133 | 133 | description = create_help |
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134 | 134 | auto_create = Bool(True, config=False) |
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135 | 135 | |
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136 | 136 | def _copy_config_files_default(self): |
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137 | 137 | return True |
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138 | 138 | |
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139 | 139 | cluster = Bool(False, config=True, |
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140 | 140 | help="whether to include parallel computing config files") |
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141 | 141 | def _cluster_changed(self, name, old, new): |
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142 | 142 | cluster_files = [ 'ipcontroller_config.py', |
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143 | 143 | 'ipengine_config.py', |
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144 | 144 | 'ipcluster_config.py' |
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145 | 145 | ] |
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146 | 146 | if new: |
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147 | 147 | for cf in cluster_files: |
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148 | 148 | self.config_files.append(cf) |
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149 | 149 | else: |
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150 | 150 | for cf in cluster_files: |
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151 | 151 | if cf in self.config_files: |
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152 | 152 | self.config_files.remove(cf) |
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153 | 153 | |
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154 | 154 | def parse_command_line(self, argv): |
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155 | 155 | super(ProfileCreate, self).parse_command_line(argv) |
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156 | 156 | # accept positional arg as profile name |
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157 | 157 | if self.extra_args: |
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158 | 158 | self.profile = self.extra_args[0] |
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159 | 159 | |
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160 | 160 | flags = Dict(create_flags) |
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161 | 161 | |
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162 | 162 | aliases = Dict(dict(profile='BaseIPythonApplication.profile')) |
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163 | 163 | |
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164 | 164 | classes = [ProfileDir] |
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165 | 165 | |
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166 | 166 | def init_config_files(self): |
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167 | 167 | super(ProfileCreate, self).init_config_files() |
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168 | 168 | # use local imports, since these classes may import from here |
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169 | 169 | from IPython.frontend.terminal.ipapp import TerminalIPythonApp |
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170 | 170 | apps = [TerminalIPythonApp] |
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171 | 171 | try: |
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172 | 172 | from IPython.frontend.qt.console.qtconsoleapp import IPythonQtConsoleApp |
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173 | 173 | except ImportError: |
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174 | 174 | pass |
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175 | 175 | else: |
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176 | 176 | apps.append(IPythonQtConsoleApp) |
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177 | 177 | if self.cluster: |
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178 | 178 | from IPython.parallel.apps.ipcontrollerapp import IPControllerApp |
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179 | 179 | from IPython.parallel.apps.ipengineapp import IPEngineApp |
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180 | 180 | from IPython.parallel.apps.ipclusterapp import IPClusterStart |
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181 | 181 | from IPython.parallel.apps.iploggerapp import IPLoggerApp |
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182 | 182 | apps.extend([ |
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183 | 183 | IPControllerApp, |
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184 | 184 | IPEngineApp, |
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185 | 185 | IPClusterStart, |
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186 | 186 | IPLoggerApp, |
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187 | 187 | ]) |
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188 | 188 | for App in apps: |
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189 | 189 | app = App() |
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190 | 190 | app.config.update(self.config) |
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191 | 191 | app.log = self.log |
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192 | 192 | app.overwrite = self.overwrite |
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193 | 193 | app.copy_config_files=True |
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194 | 194 | app.profile = self.profile |
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195 | 195 | app.init_profile_dir() |
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196 | 196 | app.init_config_files() |
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197 | 197 | print 'tic' |
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198 | 198 | |
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199 | 199 | def stage_default_config_file(self): |
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200 | 200 | pass |
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201 | 201 | |
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202 | 202 | class ProfileApp(Application): |
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203 | 203 | name = u'ipython-profile' |
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204 | 204 | description = profile_help |
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205 | 205 | |
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206 | 206 | subcommands = Dict(dict( |
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207 | 207 | create = (ProfileCreate, "Create a new profile dir with default config files"), |
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208 | 208 | list = (ProfileList, "List existing profiles") |
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209 | 209 | )) |
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210 | ||
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211 | def start(self): | |
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212 | if self.subapp is None: | |
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213 | print "No subcommand specified. Must specify one of: %s"%(self.subcommands.keys()) | |
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214 | ||
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215 | self.print_description() | |
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216 | self.print_subcommands() | |
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217 | self.exit(1) | |
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218 | else: | |
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219 | return self.subapp.start() | |
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210 | 220 |
@@ -1,445 +1,446 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 ipcluster 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 | import errno |
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25 | 25 | import logging |
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26 | 26 | import os |
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27 | 27 | import re |
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28 | 28 | import signal |
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29 | 29 | |
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30 | 30 | from subprocess import check_call, CalledProcessError, PIPE |
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31 | 31 | import zmq |
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32 | 32 | from zmq.eventloop import ioloop |
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33 | 33 | |
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34 | 34 | from IPython.config.application import Application, boolean_flag |
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35 | 35 | from IPython.config.loader import Config |
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36 | 36 | from IPython.core.application import BaseIPythonApplication |
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37 | 37 | from IPython.core.profiledir import ProfileDir |
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38 | 38 | from IPython.utils.daemonize import daemonize |
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39 | 39 | from IPython.utils.importstring import import_item |
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40 | 40 | from IPython.utils.traitlets import Int, Unicode, Bool, CFloat, Dict, List |
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41 | 41 | |
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42 | 42 | from IPython.parallel.apps.baseapp import ( |
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43 | 43 | BaseParallelApplication, |
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44 | 44 | PIDFileError, |
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45 | 45 | base_flags, base_aliases |
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46 | 46 | ) |
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47 | 47 | |
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48 | 48 | |
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49 | 49 | #----------------------------------------------------------------------------- |
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50 | 50 | # Module level variables |
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51 | 51 | #----------------------------------------------------------------------------- |
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52 | 52 | |
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53 | 53 | |
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54 | 54 | default_config_file_name = u'ipcluster_config.py' |
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55 | 55 | |
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56 | 56 | |
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57 | 57 | _description = """Start an IPython cluster for parallel computing. |
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58 | 58 | |
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59 | 59 | An IPython cluster consists of 1 controller and 1 or more engines. |
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60 | 60 | This command automates the startup of these processes using a wide |
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61 | 61 | range of startup methods (SSH, local processes, PBS, mpiexec, |
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62 | 62 | Windows HPC Server 2008). To start a cluster with 4 engines on your |
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63 | 63 | local host simply do 'ipcluster start n=4'. For more complex usage |
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64 | 64 | you will typically do 'ipcluster create profile=mycluster', then edit |
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65 | 65 | configuration files, followed by 'ipcluster start profile=mycluster n=4'. |
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66 | 66 | """ |
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67 | 67 | |
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68 | 68 | |
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69 | 69 | # Exit codes for ipcluster |
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70 | 70 | |
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71 | 71 | # This will be the exit code if the ipcluster appears to be running because |
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72 | 72 | # a .pid file exists |
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73 | 73 | ALREADY_STARTED = 10 |
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74 | 74 | |
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75 | 75 | |
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76 | 76 | # This will be the exit code if ipcluster stop is run, but there is not .pid |
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77 | 77 | # file to be found. |
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78 | 78 | ALREADY_STOPPED = 11 |
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79 | 79 | |
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80 | 80 | # This will be the exit code if ipcluster engines is run, but there is not .pid |
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81 | 81 | # file to be found. |
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82 | 82 | NO_CLUSTER = 12 |
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83 | 83 | |
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84 | 84 | |
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85 | 85 | #----------------------------------------------------------------------------- |
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86 | 86 | # Main application |
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87 | 87 | #----------------------------------------------------------------------------- |
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88 | 88 | start_help = """Start an IPython cluster for parallel computing |
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89 | 89 | |
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90 | 90 | Start an ipython cluster by its profile name or cluster |
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91 | 91 | directory. Cluster directories contain configuration, log and |
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92 | 92 | security related files and are named using the convention |
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93 | 93 | 'profile_<name>' and should be creating using the 'start' |
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94 | 94 | subcommand of 'ipcluster'. If your cluster directory is in |
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95 | 95 | the cwd or the ipython directory, you can simply refer to it |
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96 | 96 | using its profile name, 'ipcluster start n=4 profile=<profile>`, |
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97 | 97 | otherwise use the 'profile_dir' option. |
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98 | 98 | """ |
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99 | 99 | stop_help = """Stop a running IPython cluster |
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100 | 100 | |
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101 | 101 | Stop a running ipython cluster by its profile name or cluster |
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102 | 102 | directory. Cluster directories are named using the convention |
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103 | 103 | 'profile_<name>'. If your cluster directory is in |
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104 | 104 | the cwd or the ipython directory, you can simply refer to it |
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105 | 105 | using its profile name, 'ipcluster stop profile=<profile>`, otherwise |
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106 | 106 | use the 'profile_dir' option. |
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107 | 107 | """ |
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108 | 108 | engines_help = """Start engines connected to an existing IPython cluster |
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109 | 109 | |
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110 | 110 | Start one or more engines to connect to an existing Cluster |
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111 | 111 | by profile name or cluster directory. |
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112 | 112 | Cluster directories contain configuration, log and |
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113 | 113 | security related files and are named using the convention |
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114 | 114 | 'profile_<name>' and should be creating using the 'start' |
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115 | 115 | subcommand of 'ipcluster'. If your cluster directory is in |
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116 | 116 | the cwd or the ipython directory, you can simply refer to it |
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117 | 117 | using its profile name, 'ipcluster engines n=4 profile=<profile>`, |
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118 | 118 | otherwise use the 'profile_dir' option. |
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119 | 119 | """ |
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120 | 120 | stop_aliases = dict( |
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121 | 121 | signal='IPClusterStop.signal', |
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122 | 122 | profile='BaseIPythonApplication.profile', |
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123 | 123 | profile_dir='ProfileDir.location', |
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124 | 124 | ) |
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125 | 125 | |
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126 | 126 | class IPClusterStop(BaseParallelApplication): |
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127 | 127 | name = u'ipcluster' |
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128 | 128 | description = stop_help |
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129 | 129 | config_file_name = Unicode(default_config_file_name) |
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130 | 130 | |
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131 | 131 | signal = Int(signal.SIGINT, config=True, |
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132 | 132 | help="signal to use for stopping processes.") |
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133 | 133 | |
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134 | 134 | aliases = Dict(stop_aliases) |
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135 | 135 | |
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136 | 136 | def start(self): |
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137 | 137 | """Start the app for the stop subcommand.""" |
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138 | 138 | try: |
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139 | 139 | pid = self.get_pid_from_file() |
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140 | 140 | except PIDFileError: |
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141 | 141 | self.log.critical( |
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142 | 142 | 'Could not read pid file, cluster is probably not running.' |
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143 | 143 | ) |
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144 | 144 | # Here I exit with a unusual exit status that other processes |
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145 | 145 | # can watch for to learn how I existed. |
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146 | 146 | self.remove_pid_file() |
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147 | 147 | self.exit(ALREADY_STOPPED) |
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148 | 148 | |
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149 | 149 | if not self.check_pid(pid): |
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150 | 150 | self.log.critical( |
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151 | 151 | 'Cluster [pid=%r] is not running.' % pid |
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152 | 152 | ) |
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153 | 153 | self.remove_pid_file() |
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154 | 154 | # Here I exit with a unusual exit status that other processes |
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155 | 155 | # can watch for to learn how I existed. |
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156 | 156 | self.exit(ALREADY_STOPPED) |
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157 | 157 | |
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158 | 158 | elif os.name=='posix': |
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159 | 159 | sig = self.signal |
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160 | 160 | self.log.info( |
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161 | 161 | "Stopping cluster [pid=%r] with [signal=%r]" % (pid, sig) |
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162 | 162 | ) |
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163 | 163 | try: |
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164 | 164 | os.kill(pid, sig) |
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165 | 165 | except OSError: |
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166 | 166 | self.log.error("Stopping cluster failed, assuming already dead.", |
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167 | 167 | exc_info=True) |
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168 | 168 | self.remove_pid_file() |
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169 | 169 | elif os.name=='nt': |
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170 | 170 | try: |
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171 | 171 | # kill the whole tree |
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172 | 172 | p = check_call(['taskkill', '-pid', str(pid), '-t', '-f'], stdout=PIPE,stderr=PIPE) |
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173 | 173 | except (CalledProcessError, OSError): |
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174 | 174 | self.log.error("Stopping cluster failed, assuming already dead.", |
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175 | 175 | exc_info=True) |
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176 | 176 | self.remove_pid_file() |
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177 | 177 | |
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178 | 178 | engine_aliases = {} |
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179 | 179 | engine_aliases.update(base_aliases) |
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180 | 180 | engine_aliases.update(dict( |
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181 | 181 | n='IPClusterEngines.n', |
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182 | 182 | elauncher = 'IPClusterEngines.engine_launcher_class', |
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183 | 183 | )) |
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184 | 184 | class IPClusterEngines(BaseParallelApplication): |
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185 | 185 | |
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186 | 186 | name = u'ipcluster' |
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187 | 187 | description = engines_help |
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188 | 188 | usage = None |
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189 | 189 | config_file_name = Unicode(default_config_file_name) |
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190 | 190 | default_log_level = logging.INFO |
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191 | 191 | classes = List() |
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192 | 192 | def _classes_default(self): |
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193 | 193 | from IPython.parallel.apps import launcher |
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194 | 194 | launchers = launcher.all_launchers |
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195 | 195 | eslaunchers = [ l for l in launchers if 'EngineSet' in l.__name__] |
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196 | 196 | return [ProfileDir]+eslaunchers |
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197 | 197 | |
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198 | 198 | n = Int(2, config=True, |
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199 | 199 | help="The number of engines to start.") |
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200 | 200 | |
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201 | 201 | engine_launcher_class = Unicode('LocalEngineSetLauncher', |
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202 | 202 | config=True, |
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203 | 203 | help="The class for launching a set of Engines." |
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204 | 204 | ) |
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205 | 205 | daemonize = Bool(False, config=True, |
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206 | 206 | help='Daemonize the ipcluster program. This implies --log-to-file') |
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207 | 207 | |
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208 | 208 | def _daemonize_changed(self, name, old, new): |
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209 | 209 | if new: |
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210 | 210 | self.log_to_file = True |
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211 | 211 | |
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212 | 212 | aliases = Dict(engine_aliases) |
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213 | 213 | # flags = Dict(flags) |
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214 | 214 | _stopping = False |
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215 | 215 | |
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216 | 216 | def initialize(self, argv=None): |
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217 | 217 | super(IPClusterEngines, self).initialize(argv) |
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218 | 218 | self.init_signal() |
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219 | 219 | self.init_launchers() |
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220 | 220 | |
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221 | 221 | def init_launchers(self): |
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222 | 222 | self.engine_launcher = self.build_launcher(self.engine_launcher_class) |
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223 | 223 | self.engine_launcher.on_stop(lambda r: self.loop.stop()) |
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224 | 224 | |
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225 | 225 | def init_signal(self): |
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226 | 226 | # Setup signals |
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227 | 227 | signal.signal(signal.SIGINT, self.sigint_handler) |
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228 | 228 | |
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229 | 229 | def build_launcher(self, clsname): |
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230 | 230 | """import and instantiate a Launcher based on importstring""" |
|
231 | 231 | if '.' not in clsname: |
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232 | 232 | # not a module, presume it's the raw name in apps.launcher |
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233 | 233 | clsname = 'IPython.parallel.apps.launcher.'+clsname |
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234 | 234 | # print repr(clsname) |
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235 | 235 | klass = import_item(clsname) |
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236 | 236 | |
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237 | 237 | launcher = klass( |
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238 | 238 | work_dir=self.profile_dir.location, config=self.config, log=self.log |
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239 | 239 | ) |
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240 | 240 | return launcher |
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241 | 241 | |
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242 | 242 | def start_engines(self): |
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243 | 243 | self.log.info("Starting %i engines"%self.n) |
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244 | 244 | self.engine_launcher.start( |
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245 | 245 | self.n, |
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246 | 246 | self.profile_dir.location |
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247 | 247 | ) |
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248 | 248 | |
|
249 | 249 | def stop_engines(self): |
|
250 | 250 | self.log.info("Stopping Engines...") |
|
251 | 251 | if self.engine_launcher.running: |
|
252 | 252 | d = self.engine_launcher.stop() |
|
253 | 253 | return d |
|
254 | 254 | else: |
|
255 | 255 | return None |
|
256 | 256 | |
|
257 | 257 | def stop_launchers(self, r=None): |
|
258 | 258 | if not self._stopping: |
|
259 | 259 | self._stopping = True |
|
260 | 260 | self.log.error("IPython cluster: stopping") |
|
261 | 261 | self.stop_engines() |
|
262 | 262 | # Wait a few seconds to let things shut down. |
|
263 | 263 | dc = ioloop.DelayedCallback(self.loop.stop, 4000, self.loop) |
|
264 | 264 | dc.start() |
|
265 | 265 | |
|
266 | 266 | def sigint_handler(self, signum, frame): |
|
267 | 267 | self.log.debug("SIGINT received, stopping launchers...") |
|
268 | 268 | self.stop_launchers() |
|
269 | 269 | |
|
270 | 270 | def start_logging(self): |
|
271 | 271 | # Remove old log files of the controller and engine |
|
272 | 272 | if self.clean_logs: |
|
273 | 273 | log_dir = self.profile_dir.log_dir |
|
274 | 274 | for f in os.listdir(log_dir): |
|
275 | 275 | if re.match(r'ip(engine|controller)z-\d+\.(log|err|out)',f): |
|
276 | 276 | os.remove(os.path.join(log_dir, f)) |
|
277 | 277 | # This will remove old log files for ipcluster itself |
|
278 | 278 | # super(IPBaseParallelApplication, self).start_logging() |
|
279 | 279 | |
|
280 | 280 | def start(self): |
|
281 | 281 | """Start the app for the engines subcommand.""" |
|
282 | 282 | self.log.info("IPython cluster: started") |
|
283 | 283 | # First see if the cluster is already running |
|
284 | 284 | |
|
285 | 285 | # Now log and daemonize |
|
286 | 286 | self.log.info( |
|
287 | 287 | 'Starting engines with [daemon=%r]' % self.daemonize |
|
288 | 288 | ) |
|
289 | 289 | # TODO: Get daemonize working on Windows or as a Windows Server. |
|
290 | 290 | if self.daemonize: |
|
291 | 291 | if os.name=='posix': |
|
292 | 292 | daemonize() |
|
293 | 293 | |
|
294 | 294 | dc = ioloop.DelayedCallback(self.start_engines, 0, self.loop) |
|
295 | 295 | dc.start() |
|
296 | 296 | # Now write the new pid file AFTER our new forked pid is active. |
|
297 | 297 | # self.write_pid_file() |
|
298 | 298 | try: |
|
299 | 299 | self.loop.start() |
|
300 | 300 | except KeyboardInterrupt: |
|
301 | 301 | pass |
|
302 | 302 | except zmq.ZMQError as e: |
|
303 | 303 | if e.errno == errno.EINTR: |
|
304 | 304 | pass |
|
305 | 305 | else: |
|
306 | 306 | raise |
|
307 | 307 | |
|
308 | 308 | start_aliases = {} |
|
309 | 309 | start_aliases.update(engine_aliases) |
|
310 | 310 | start_aliases.update(dict( |
|
311 | 311 | delay='IPClusterStart.delay', |
|
312 | 312 | clean_logs='IPClusterStart.clean_logs', |
|
313 | 313 | )) |
|
314 | 314 | |
|
315 | 315 | class IPClusterStart(IPClusterEngines): |
|
316 | 316 | |
|
317 | 317 | name = u'ipcluster' |
|
318 | 318 | description = start_help |
|
319 | 319 | default_log_level = logging.INFO |
|
320 | 320 | auto_create = Bool(True, config=True, |
|
321 | 321 | help="whether to create the profile_dir if it doesn't exist") |
|
322 | 322 | classes = List() |
|
323 | 323 | def _classes_default(self,): |
|
324 | 324 | from IPython.parallel.apps import launcher |
|
325 | 325 | return [ProfileDir] + [IPClusterEngines] + launcher.all_launchers |
|
326 | 326 | |
|
327 | 327 | clean_logs = Bool(True, config=True, |
|
328 | 328 | help="whether to cleanup old logs before starting") |
|
329 | 329 | |
|
330 | 330 | delay = CFloat(1., config=True, |
|
331 | 331 | help="delay (in s) between starting the controller and the engines") |
|
332 | 332 | |
|
333 | 333 | controller_launcher_class = Unicode('LocalControllerLauncher', |
|
334 | 334 | config=True, |
|
335 | 335 | help="The class for launching a Controller." |
|
336 | 336 | ) |
|
337 | 337 | reset = Bool(False, config=True, |
|
338 | 338 | help="Whether to reset config files as part of '--create'." |
|
339 | 339 | ) |
|
340 | 340 | |
|
341 | 341 | # flags = Dict(flags) |
|
342 | 342 | aliases = Dict(start_aliases) |
|
343 | 343 | |
|
344 | 344 | def init_launchers(self): |
|
345 | 345 | self.controller_launcher = self.build_launcher(self.controller_launcher_class) |
|
346 | 346 | self.engine_launcher = self.build_launcher(self.engine_launcher_class) |
|
347 | 347 | self.controller_launcher.on_stop(self.stop_launchers) |
|
348 | 348 | |
|
349 | 349 | def start_controller(self): |
|
350 | 350 | self.controller_launcher.start( |
|
351 | 351 | self.profile_dir.location |
|
352 | 352 | ) |
|
353 | 353 | |
|
354 | 354 | def stop_controller(self): |
|
355 | 355 | # self.log.info("In stop_controller") |
|
356 | 356 | if self.controller_launcher and self.controller_launcher.running: |
|
357 | 357 | return self.controller_launcher.stop() |
|
358 | 358 | |
|
359 | 359 | def stop_launchers(self, r=None): |
|
360 | 360 | if not self._stopping: |
|
361 | 361 | self.stop_controller() |
|
362 | 362 | super(IPClusterStart, self).stop_launchers() |
|
363 | 363 | |
|
364 | 364 | def start(self): |
|
365 | 365 | """Start the app for the start subcommand.""" |
|
366 | 366 | # First see if the cluster is already running |
|
367 | 367 | try: |
|
368 | 368 | pid = self.get_pid_from_file() |
|
369 | 369 | except PIDFileError: |
|
370 | 370 | pass |
|
371 | 371 | else: |
|
372 | 372 | if self.check_pid(pid): |
|
373 | 373 | self.log.critical( |
|
374 | 374 | 'Cluster is already running with [pid=%s]. ' |
|
375 | 375 | 'use "ipcluster stop" to stop the cluster.' % pid |
|
376 | 376 | ) |
|
377 | 377 | # Here I exit with a unusual exit status that other processes |
|
378 | 378 | # can watch for to learn how I existed. |
|
379 | 379 | self.exit(ALREADY_STARTED) |
|
380 | 380 | else: |
|
381 | 381 | self.remove_pid_file() |
|
382 | 382 | |
|
383 | 383 | |
|
384 | 384 | # Now log and daemonize |
|
385 | 385 | self.log.info( |
|
386 | 386 | 'Starting ipcluster with [daemon=%r]' % self.daemonize |
|
387 | 387 | ) |
|
388 | 388 | # TODO: Get daemonize working on Windows or as a Windows Server. |
|
389 | 389 | if self.daemonize: |
|
390 | 390 | if os.name=='posix': |
|
391 | 391 | daemonize() |
|
392 | 392 | |
|
393 | 393 | dc = ioloop.DelayedCallback(self.start_controller, 0, self.loop) |
|
394 | 394 | dc.start() |
|
395 | 395 | dc = ioloop.DelayedCallback(self.start_engines, 1000*self.delay, self.loop) |
|
396 | 396 | dc.start() |
|
397 | 397 | # Now write the new pid file AFTER our new forked pid is active. |
|
398 | 398 | self.write_pid_file() |
|
399 | 399 | try: |
|
400 | 400 | self.loop.start() |
|
401 | 401 | except KeyboardInterrupt: |
|
402 | 402 | pass |
|
403 | 403 | except zmq.ZMQError as e: |
|
404 | 404 | if e.errno == errno.EINTR: |
|
405 | 405 | pass |
|
406 | 406 | else: |
|
407 | 407 | raise |
|
408 | 408 | finally: |
|
409 | 409 | self.remove_pid_file() |
|
410 | 410 | |
|
411 | 411 | base='IPython.parallel.apps.ipclusterapp.IPCluster' |
|
412 | 412 | |
|
413 | 413 | class IPClusterApp(Application): |
|
414 | 414 | name = u'ipcluster' |
|
415 | 415 | description = _description |
|
416 | 416 | |
|
417 | 417 | subcommands = { |
|
418 | 418 | 'start' : (base+'Start', start_help), |
|
419 | 419 | 'stop' : (base+'Stop', stop_help), |
|
420 | 420 | 'engines' : (base+'Engines', engines_help), |
|
421 | 421 | } |
|
422 | 422 | |
|
423 | 423 | # no aliases or flags for parent App |
|
424 | 424 | aliases = Dict() |
|
425 | 425 | flags = Dict() |
|
426 | 426 | |
|
427 | 427 | def start(self): |
|
428 | 428 | if self.subapp is None: |
|
429 |
print "No subcommand specified |
|
|
429 | print "No subcommand specified. Must specify one of: %s"%(self.subcommands.keys()) | |
|
430 | 430 | |
|
431 | self.print_description() | |
|
431 | 432 | self.print_subcommands() |
|
432 | 433 | self.exit(1) |
|
433 | 434 | else: |
|
434 | 435 | return self.subapp.start() |
|
435 | 436 | |
|
436 | 437 | def launch_new_instance(): |
|
437 | 438 | """Create and run the IPython cluster.""" |
|
438 |
app = IP |
|
|
439 | app = IPClusterApp.instance() | |
|
439 | 440 | app.initialize() |
|
440 | 441 | app.start() |
|
441 | 442 | |
|
442 | 443 | |
|
443 | 444 | if __name__ == '__main__': |
|
444 | 445 | launch_new_instance() |
|
445 | 446 |
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