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539 lines
18 KiB
539 lines
18 KiB
# -*- coding: utf-8 -*-
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# BSD 2-Clause License
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#
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# Apprise - Push Notification Library.
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# Copyright (c) 2024, Chris Caron <lead2gold@gmail.com>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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# API Refererence:
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# - https://developer.pagerduty.com/api-reference/\
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# 368ae3d938c9e-send-an-event-to-pager-duty
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#
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import requests
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from json import dumps
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from .NotifyBase import NotifyBase
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from ..URLBase import PrivacyMode
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from ..common import NotifyType
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from ..common import NotifyImageSize
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from ..utils import validate_regex
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from ..utils import parse_bool
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from ..AppriseLocale import gettext_lazy as _
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class PagerDutySeverity:
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"""
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Defines the Pager Duty Severity Levels
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"""
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INFO = 'info'
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WARNING = 'warning'
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ERROR = 'error'
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CRITICAL = 'critical'
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# Map all support Apprise Categories with the Pager Duty ones
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PAGERDUTY_SEVERITY_MAP = {
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NotifyType.INFO: PagerDutySeverity.INFO,
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NotifyType.SUCCESS: PagerDutySeverity.INFO,
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NotifyType.WARNING: PagerDutySeverity.WARNING,
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NotifyType.FAILURE: PagerDutySeverity.CRITICAL,
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}
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PAGERDUTY_SEVERITIES = (
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PagerDutySeverity.INFO,
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PagerDutySeverity.WARNING,
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PagerDutySeverity.CRITICAL,
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PagerDutySeverity.ERROR,
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)
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# Priorities
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class PagerDutyRegion:
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US = 'us'
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EU = 'eu'
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# SparkPost APIs
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PAGERDUTY_API_LOOKUP = {
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PagerDutyRegion.US: 'https://events.pagerduty.com/v2/enqueue',
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PagerDutyRegion.EU: 'https://events.eu.pagerduty.com/v2/enqueue',
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}
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# A List of our regions we can use for verification
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PAGERDUTY_REGIONS = (
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PagerDutyRegion.US,
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PagerDutyRegion.EU,
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)
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class NotifyPagerDuty(NotifyBase):
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"""
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A wrapper for Pager Duty Notifications
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"""
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# The default descriptive name associated with the Notification
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service_name = 'Pager Duty'
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# The services URL
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service_url = 'https://pagerduty.com/'
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# Secure Protocol
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secure_protocol = 'pagerduty'
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# A URL that takes you to the setup/help of the specific protocol
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setup_url = 'https://github.com/caronc/apprise/wiki/Notify_pagerduty'
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# We don't support titles for Pager Duty notifications
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title_maxlen = 0
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# Allows the user to specify the NotifyImageSize object; this is supported
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# through the webhook
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image_size = NotifyImageSize.XY_128
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# Our event action type
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event_action = 'trigger'
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# The default region to use if one isn't otherwise specified
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default_region = PagerDutyRegion.US
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# Define object templates
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templates = (
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'{schema}://{integrationkey}@{apikey}',
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'{schema}://{integrationkey}@{apikey}/{source}',
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'{schema}://{integrationkey}@{apikey}/{source}/{component}',
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)
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# Define our template tokens
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template_tokens = dict(NotifyBase.template_tokens, **{
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'apikey': {
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'name': _('API Key'),
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'type': 'string',
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'private': True,
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'required': True
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},
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# Optional but triggers V2 API
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'integrationkey': {
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'name': _('Integration Key'),
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'type': 'string',
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'private': True,
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'required': True
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},
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'source': {
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# Optional Source Identifier (preferably a FQDN)
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'name': _('Source'),
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'type': 'string',
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'default': 'Apprise',
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},
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'component': {
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# Optional Component Identifier
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'name': _('Component'),
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'type': 'string',
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'default': 'Notification',
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},
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})
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# Define our template arguments
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template_args = dict(NotifyBase.template_args, **{
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'group': {
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'name': _('Group'),
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'type': 'string',
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},
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'class': {
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'name': _('Class'),
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'type': 'string',
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'map_to': 'class_id',
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},
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'click': {
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'name': _('Click'),
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'type': 'string',
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},
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'region': {
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'name': _('Region Name'),
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'type': 'choice:string',
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'values': PAGERDUTY_REGIONS,
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'default': PagerDutyRegion.US,
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'map_to': 'region_name',
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},
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# The severity is automatically determined, however you can optionally
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# over-ride its value and force it to be what you want
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'severity': {
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'name': _('Severity'),
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'type': 'choice:string',
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'values': PAGERDUTY_SEVERITIES,
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'map_to': 'severity',
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},
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'image': {
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'name': _('Include Image'),
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'type': 'bool',
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'default': True,
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'map_to': 'include_image',
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},
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})
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# Define any kwargs we're using
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template_kwargs = {
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'details': {
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'name': _('Custom Details'),
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'prefix': '+',
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},
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}
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def __init__(self, apikey, integrationkey=None, source=None,
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component=None, group=None, class_id=None,
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include_image=True, click=None, details=None,
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region_name=None, severity=None, **kwargs):
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"""
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Initialize Pager Duty Object
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"""
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super().__init__(**kwargs)
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# Long-Lived Access token (generated from User Profile)
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self.apikey = validate_regex(apikey)
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if not self.apikey:
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msg = 'An invalid Pager Duty API Key ' \
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'({}) was specified.'.format(apikey)
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self.logger.warning(msg)
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raise TypeError(msg)
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self.integration_key = validate_regex(integrationkey)
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if not self.integration_key:
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msg = 'An invalid Pager Duty Routing Key ' \
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'({}) was specified.'.format(integrationkey)
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self.logger.warning(msg)
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raise TypeError(msg)
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# An Optional Source
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self.source = self.template_tokens['source']['default']
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if source:
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self.source = validate_regex(source)
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if not self.source:
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msg = 'An invalid Pager Duty Notification Source ' \
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'({}) was specified.'.format(source)
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self.logger.warning(msg)
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raise TypeError(msg)
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else:
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self.component = self.template_tokens['source']['default']
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# An Optional Component
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self.component = self.template_tokens['component']['default']
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if component:
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self.component = validate_regex(component)
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if not self.component:
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msg = 'An invalid Pager Duty Notification Component ' \
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'({}) was specified.'.format(component)
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self.logger.warning(msg)
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raise TypeError(msg)
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else:
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self.component = self.template_tokens['component']['default']
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# Store our region
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try:
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self.region_name = self.default_region \
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if region_name is None else region_name.lower()
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if self.region_name not in PAGERDUTY_REGIONS:
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# allow the outer except to handle this common response
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raise
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except:
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# Invalid region specified
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msg = 'The PagerDuty region specified ({}) is invalid.' \
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.format(region_name)
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self.logger.warning(msg)
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raise TypeError(msg)
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# The severity (if specified)
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self.severity = \
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None if severity is None else next((
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s for s in PAGERDUTY_SEVERITIES
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if str(s).lower().startswith(severity)), False)
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if self.severity is False:
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# Invalid severity specified
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msg = 'The PagerDuty severity specified ({}) is invalid.' \
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.format(severity)
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self.logger.warning(msg)
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raise TypeError(msg)
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# A clickthrough option for notifications
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self.click = click
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# Store Class ID if specified
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self.class_id = class_id
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# Store Group if specified
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self.group = group
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self.details = {}
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if details:
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# Store our extra details
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self.details.update(details)
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# Display our Apprise Image
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self.include_image = include_image
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return
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def send(self, body, title='', notify_type=NotifyType.INFO, **kwargs):
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"""
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Send our PagerDuty Notification
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"""
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# Prepare our headers
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headers = {
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'User-Agent': self.app_id,
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'Content-Type': 'application/json',
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'Authorization': 'Token token={}'.format(self.apikey),
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}
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# Prepare our persistent_notification.create payload
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payload = {
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# Define our integration key
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'routing_key': self.integration_key,
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# Prepare our payload
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'payload': {
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'summary': body,
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# Set our severity
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'severity': PAGERDUTY_SEVERITY_MAP[notify_type]
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if not self.severity else self.severity,
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# Our Alerting Source/Component
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'source': self.source,
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'component': self.component,
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},
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'client': self.app_id,
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# Our Event Action
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'event_action': self.event_action,
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}
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if self.group:
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payload['payload']['group'] = self.group
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if self.class_id:
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payload['payload']['class'] = self.class_id
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if self.click:
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payload['links'] = [{
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"href": self.click,
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}]
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# Acquire our image url if configured to do so
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image_url = None if not self.include_image else \
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self.image_url(notify_type)
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if image_url:
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payload['images'] = [{
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'src': image_url,
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'alt': notify_type,
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}]
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if self.details:
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payload['payload']['custom_details'] = {}
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# Apply any provided custom details
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for k, v in self.details.items():
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payload['payload']['custom_details'][k] = v
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# Prepare our URL based on region
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notify_url = PAGERDUTY_API_LOOKUP[self.region_name]
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self.logger.debug('Pager Duty POST URL: %s (cert_verify=%r)' % (
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notify_url, self.verify_certificate,
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))
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self.logger.debug('Pager Duty Payload: %s' % str(payload))
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# Always call throttle before any remote server i/o is made
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self.throttle()
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try:
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r = requests.post(
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notify_url,
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data=dumps(payload),
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headers=headers,
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verify=self.verify_certificate,
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timeout=self.request_timeout,
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)
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if r.status_code not in (
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requests.codes.ok, requests.codes.created,
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requests.codes.accepted):
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# We had a problem
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status_str = \
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NotifyPagerDuty.http_response_code_lookup(
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r.status_code)
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self.logger.warning(
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'Failed to send Pager Duty notification: '
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'{}{}error={}.'.format(
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status_str,
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', ' if status_str else '',
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r.status_code))
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self.logger.debug('Response Details:\r\n{}'.format(r.content))
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# Return; we're done
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return False
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else:
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self.logger.info('Sent Pager Duty notification.')
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except requests.RequestException as e:
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self.logger.warning(
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'A Connection error occurred sending Pager Duty '
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'notification to %s.' % self.host)
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self.logger.debug('Socket Exception: %s' % str(e))
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# Return; we're done
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return False
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return True
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def url(self, privacy=False, *args, **kwargs):
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"""
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Returns the URL built dynamically based on specified arguments.
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"""
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# Define any URL parameters
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params = {
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'region': self.region_name,
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'image': 'yes' if self.include_image else 'no',
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}
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if self.class_id:
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params['class'] = self.class_id
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if self.group:
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params['group'] = self.group
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if self.click is not None:
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params['click'] = self.click
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if self.severity:
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params['severity'] = self.severity
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# Append our custom entries our parameters
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params.update({'+{}'.format(k): v for k, v in self.details.items()})
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# Extend our parameters
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params.update(self.url_parameters(privacy=privacy, *args, **kwargs))
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url = '{schema}://{integration_key}@{apikey}/' \
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'{source}/{component}?{params}'
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return url.format(
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schema=self.secure_protocol,
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# never encode hostname since we're expecting it to be a valid one
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integration_key=self.pprint(
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self.integration_key, privacy, mode=PrivacyMode.Secret,
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safe=''),
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apikey=self.pprint(
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self.apikey, privacy, mode=PrivacyMode.Secret, safe=''),
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source=self.pprint(
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self.source, privacy, safe=''),
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component=self.pprint(
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self.component, privacy, safe=''),
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params=NotifyPagerDuty.urlencode(params),
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)
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@staticmethod
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def parse_url(url):
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"""
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Parses the URL and returns enough arguments that can allow
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us to re-instantiate this object.
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"""
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results = NotifyBase.parse_url(url, verify_host=False)
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if not results:
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# We're done early as we couldn't load the results
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return results
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# The 'apikey' makes it easier to use yaml configuration
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if 'apikey' in results['qsd'] and len(results['qsd']['apikey']):
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results['apikey'] = \
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NotifyPagerDuty.unquote(results['qsd']['apikey'])
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else:
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results['apikey'] = NotifyPagerDuty.unquote(results['host'])
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# The 'integrationkey' makes it easier to use yaml configuration
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if 'integrationkey' in results['qsd'] and \
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len(results['qsd']['integrationkey']):
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results['integrationkey'] = \
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NotifyPagerDuty.unquote(results['qsd']['integrationkey'])
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else:
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results['integrationkey'] = \
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NotifyPagerDuty.unquote(results['user'])
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if 'click' in results['qsd'] and len(results['qsd']['click']):
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results['click'] = NotifyPagerDuty.unquote(results['qsd']['click'])
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if 'group' in results['qsd'] and len(results['qsd']['group']):
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results['group'] = \
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NotifyPagerDuty.unquote(results['qsd']['group'])
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if 'class' in results['qsd'] and len(results['qsd']['class']):
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results['class_id'] = \
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NotifyPagerDuty.unquote(results['qsd']['class'])
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if 'severity' in results['qsd'] and len(results['qsd']['severity']):
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results['severity'] = \
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NotifyPagerDuty.unquote(results['qsd']['severity'])
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# Acquire our full path
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fullpath = NotifyPagerDuty.split_path(results['fullpath'])
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# Get our source
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if 'source' in results['qsd'] and len(results['qsd']['source']):
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results['source'] = \
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NotifyPagerDuty.unquote(results['qsd']['source'])
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else:
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results['source'] = fullpath.pop(0) if fullpath else None
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# Get our component
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if 'component' in results['qsd'] and len(results['qsd']['component']):
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results['component'] = \
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NotifyPagerDuty.unquote(results['qsd']['component'])
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else:
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results['component'] = fullpath.pop(0) if fullpath else None
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# Add our custom details key/value pairs that the user can potentially
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# over-ride if they wish to to our returned result set and tidy
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# entries by unquoting them
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results['details'] = {
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NotifyPagerDuty.unquote(x): NotifyPagerDuty.unquote(y)
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for x, y in results['qsd+'].items()}
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if 'region' in results['qsd'] and len(results['qsd']['region']):
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# Extract from name to associate with from address
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results['region_name'] = \
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NotifyPagerDuty.unquote(results['qsd']['region'])
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# Include images with our message
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results['include_image'] = \
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parse_bool(results['qsd'].get('image', True))
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return results
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