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# -*- coding: utf-8 -*-
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# Copyright 2010 - 2017 RhodeCode GmbH and the AppEnlight project authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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import sqlalchemy as sa
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import urllib.request, urllib.parse, urllib.error
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from datetime import timedelta
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from appenlight.models import Base
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from appenlight.lib.utils.date_utils import convert_date
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from sqlalchemy.dialects.postgresql import JSON
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from ziggurat_foundations.models.base import BaseModel
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log = logging.getLogger(__name__)
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#
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channel_rules_m2m_table = sa.Table(
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'channels_actions', Base.metadata,
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sa.Column('channel_pkey', sa.Integer,
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sa.ForeignKey('alert_channels.pkey')),
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sa.Column('action_pkey', sa.Integer,
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sa.ForeignKey('alert_channels_actions.pkey'))
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)
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channel_resources_m2m_table = sa.Table(
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'channels_resources', Base.metadata,
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sa.Column('channel_pkey', sa.Integer,
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sa.ForeignKey('alert_channels.pkey')),
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sa.Column('resource_id', sa.Integer,
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sa.ForeignKey('resources.resource_id'))
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)
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DATE_FRMT = '%Y-%m-%dT%H:%M'
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class AlertChannel(Base, BaseModel):
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"""
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Stores information about possible alerting options
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"""
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__tablename__ = 'alert_channels'
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__possible_channel_names__ = ['email']
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__mapper_args__ = {
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'polymorphic_on': 'channel_name',
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'polymorphic_identity': 'integration'
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}
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owner_id = sa.Column(sa.Unicode(30),
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sa.ForeignKey('users.id', onupdate='CASCADE',
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ondelete='CASCADE'))
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channel_name = sa.Column(sa.Unicode(25), nullable=False)
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channel_value = sa.Column(sa.Unicode(80), nullable=False, default='')
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channel_json_conf = sa.Column(JSON(), nullable=False, default='')
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channel_validated = sa.Column(sa.Boolean, nullable=False,
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default=False)
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send_alerts = sa.Column(sa.Boolean, nullable=False,
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default=True)
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daily_digest = sa.Column(sa.Boolean, nullable=False,
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default=True)
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integration_id = sa.Column(sa.Integer, sa.ForeignKey('integrations.id'),
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nullable=True)
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pkey = sa.Column(sa.Integer(), nullable=False, primary_key=True)
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channel_actions = sa.orm.relationship('AlertChannelAction',
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cascade="all",
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passive_deletes=True,
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passive_updates=True,
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secondary=channel_rules_m2m_table,
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backref='channels')
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resources = sa.orm.relationship('Resource',
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cascade="all, delete-orphan",
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passive_deletes=True,
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passive_updates=True,
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secondary=channel_resources_m2m_table,
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backref='resources')
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@property
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def channel_visible_value(self):
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if self.integration:
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return '{}: {}'.format(
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self.channel_name,
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self.integration.resource.resource_name
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)
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return '{}: {}'.format(
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self.channel_name,
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self.channel_value
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)
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def get_dict(self, exclude_keys=None, include_keys=None,
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extended_info=True):
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"""
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Returns dictionary with required information that will be consumed by
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angular
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"""
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instance_dict = super(AlertChannel, self).get_dict(exclude_keys,
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include_keys)
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exclude_keys_list = exclude_keys or []
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include_keys_list = include_keys or []
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instance_dict['supports_report_alerting'] = True
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instance_dict['channel_visible_value'] = self.channel_visible_value
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if extended_info:
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instance_dict['actions'] = [
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rule.get_dict(extended_info=True) for
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rule in self.channel_actions]
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del instance_dict['channel_json_conf']
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if self.integration:
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instance_dict[
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'supports_report_alerting'] = \
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self.integration.supports_report_alerting
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d = {}
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for k in instance_dict.keys():
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if (k not in exclude_keys_list and
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(k in include_keys_list or not include_keys)):
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d[k] = instance_dict[k]
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return d
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def __repr__(self):
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return '<AlertChannel: (%s,%s), user:%s>' % (self.channel_name,
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self.channel_value,
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self.user_name,)
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def send_digest(self, **kwargs):
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"""
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This should implement daily top error report notifications
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"""
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log.warning('send_digest NOT IMPLEMENTED')
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def notify_reports(self, **kwargs):
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"""
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This should implement notification of reports that occured in 1 min
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interval
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"""
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log.warning('notify_reports NOT IMPLEMENTED')
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def notify_alert(self, **kwargs):
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"""
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Notify user of report/uptime/chart threshold events based on events alert
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type
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Kwargs:
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application: application that the event applies for,
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event: event that is notified,
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user: user that should be notified
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request: request object
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"""
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alert_name = kwargs['event'].unified_alert_name()
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if alert_name in ['slow_report_alert', 'error_report_alert']:
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self.notify_report_alert(**kwargs)
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elif alert_name == 'uptime_alert':
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self.notify_uptime_alert(**kwargs)
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elif alert_name == 'chart_alert':
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self.notify_chart_alert(**kwargs)
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def notify_chart_alert(self, **kwargs):
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"""
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This should implement report open/close alerts notifications
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"""
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log.warning('notify_chart_alert NOT IMPLEMENTED')
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def notify_report_alert(self, **kwargs):
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"""
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This should implement report open/close alerts notifications
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"""
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log.warning('notify_report_alert NOT IMPLEMENTED')
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def notify_uptime_alert(self, **kwargs):
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"""
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This should implement uptime open/close alerts notifications
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"""
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log.warning('notify_uptime_alert NOT IMPLEMENTED')
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def get_notification_basic_vars(self, kwargs):
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"""
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Sets most common variables used later for rendering notifications for
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channel
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"""
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if 'event' in kwargs:
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kwargs['since_when'] = kwargs['event'].start_date
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url_start_date = kwargs.get('since_when') - timedelta(minutes=1)
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url_end_date = kwargs.get('since_when') + timedelta(minutes=4)
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tmpl_vars = {
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"timestamp": kwargs['since_when'],
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"user": kwargs['user'],
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"since_when": kwargs.get('since_when'),
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"url_start_date": url_start_date,
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"url_end_date": url_end_date
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}
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tmpl_vars["resource_name"] = kwargs['resource'].resource_name
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tmpl_vars["resource"] = kwargs['resource']
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if 'event' in kwargs:
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tmpl_vars['event_values'] = kwargs['event'].values
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tmpl_vars['alert_type'] = kwargs['event'].unified_alert_name()
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tmpl_vars['alert_action'] = kwargs['event'].unified_alert_action()
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return tmpl_vars
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def report_alert_notification_vars(self, kwargs):
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tmpl_vars = self.get_notification_basic_vars(kwargs)
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reports = kwargs.get('reports', [])
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tmpl_vars["reports"] = reports
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tmpl_vars["confirmed_total"] = len(reports)
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tmpl_vars["report_type"] = "error reports"
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tmpl_vars["url_report_type"] = 'report/list'
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alert_type = tmpl_vars.get('alert_type', '')
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if 'slow_report' in alert_type:
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tmpl_vars["report_type"] = "slow reports"
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tmpl_vars["url_report_type"] = 'report/list_slow'
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app_url = kwargs['request'].registry.settings['_mail_url']
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destination_url = kwargs['request'].route_url('/',
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_app_url=app_url)
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if alert_type:
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destination_url += 'ui/{}?resource={}&start_date={}&end_date={}'.format(
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tmpl_vars["url_report_type"],
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tmpl_vars['resource'].resource_id,
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tmpl_vars['url_start_date'].strftime(DATE_FRMT),
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tmpl_vars['url_end_date'].strftime(DATE_FRMT)
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)
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else:
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destination_url += 'ui/{}?resource={}'.format(
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tmpl_vars["url_report_type"],
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tmpl_vars['resource'].resource_id
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)
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tmpl_vars["destination_url"] = destination_url
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return tmpl_vars
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def uptime_alert_notification_vars(self, kwargs):
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tmpl_vars = self.get_notification_basic_vars(kwargs)
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app_url = kwargs['request'].registry.settings['_mail_url']
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destination_url = kwargs['request'].route_url('/', _app_url=app_url)
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destination_url += 'ui/{}?resource={}'.format(
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'uptime',
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tmpl_vars['resource'].resource_id)
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tmpl_vars['destination_url'] = destination_url
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reason = ''
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e_values = tmpl_vars.get('event_values')
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if e_values and e_values.get('response_time') == 0:
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reason += ' Response time was slower than 20 seconds.'
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elif e_values:
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code = e_values.get('status_code')
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reason += ' Response status code: %s.' % code
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tmpl_vars['reason'] = reason
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return tmpl_vars
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def chart_alert_notification_vars(self, kwargs):
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tmpl_vars = self.get_notification_basic_vars(kwargs)
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tmpl_vars['chart_name'] = tmpl_vars['event_values']['chart_name']
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tmpl_vars['action_name'] = tmpl_vars['event_values'].get(
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'action_name') or ''
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matched_values = tmpl_vars['event_values']['matched_step_values']
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tmpl_vars['readable_values'] = []
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for key, value in list(matched_values['values'].items()):
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matched_label = matched_values['labels'].get(key)
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if matched_label:
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tmpl_vars['readable_values'].append({
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'label': matched_label['human_label'],
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'value': value
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})
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tmpl_vars['readable_values'] = sorted(tmpl_vars['readable_values'],
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key=lambda x: x['label'])
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start_date = convert_date(tmpl_vars['event_values']['start_interval'])
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end_date = None
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if tmpl_vars['event_values'].get('end_interval'):
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end_date = convert_date(tmpl_vars['event_values']['end_interval'])
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app_url = kwargs['request'].registry.settings['_mail_url']
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destination_url = kwargs['request'].route_url('/', _app_url=app_url)
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to_encode = {
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'resource': tmpl_vars['event_values']['resource'],
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'start_date': start_date.strftime(DATE_FRMT),
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}
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if end_date:
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to_encode['end_date'] = end_date.strftime(DATE_FRMT)
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destination_url += 'ui/{}?{}'.format(
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'logs',
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urllib.parse.urlencode(to_encode)
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)
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tmpl_vars['destination_url'] = destination_url
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return tmpl_vars
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