Add support for NRDP notifications (#39297)
* Add support for NRDP notifications * Correct pep-8 check, adding copyright * Correct pep-8 check using autopep8 * Update nrdp to 2.6 version * Update nrdp to 2.7 version * Use internal ansible url and options modules * Remove useless comments * Add option to validate https certs * Update nrdp to 2.8 version * Correct nrdp pep8
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Remi Verchere
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186
lib/ansible/plugins/callback/nrdp.py
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186
lib/ansible/plugins/callback/nrdp.py
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# -*- coding: utf-8 -*-
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# (c) 2018 Remi Verchere <remi@verchere.fr>
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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# Make coding more python3-ish
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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DOCUMENTATION = '''
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callback: nrdp
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type: notification
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author: "Remi VERCHERE (@rverchere)"
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short_description: post task result to a nagios server through nrdp
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description:
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- this callback send playbook result to nagios
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- nagios shall use NRDP to recive passive events
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- the passive check is sent to a dedicated host/service for ansible
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version_added: 2.8
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options:
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url:
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description: url of the nrdp server
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required: True
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env:
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- name : NRDP_URL
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ini:
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- section: callback_nrdp
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key: url
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validate_nrdp_certs:
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description: (bool) validate the SSL certificate of the nrdp server. (For HTTPS url)
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env:
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- name: NRDP_VALIDATE_CERTS
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ini:
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- section: callback_nrdp
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key: validate_nrdp_certs
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default: False
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token:
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description: token to be allowed to push nrdp events
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required: True
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env:
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- name: NRDP_TOKEN
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ini:
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- section: callback_nrdp
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key: token
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hostname:
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description: hostname where the passive check is linked to
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required: True
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env:
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- name : NRDP_HOSTNAME
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ini:
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- section: callback_nrdp
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key: hostname
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servicename:
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description: service where the passive check is linked to
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required: True
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env:
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- name : NRDP_SERVICENAME
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ini:
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- section: callback_nrdp
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key: servicename
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'''
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import os
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import json
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from ansible.module_utils.six.moves.urllib.parse import urlencode
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from ansible.module_utils.urls import open_url
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from ansible.plugins.callback import CallbackBase
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class CallbackModule(CallbackBase):
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'''
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send ansible-playbook to Nagios server using nrdp protocol
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'''
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CALLBACK_VERSION = 2.0
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CALLBACK_TYPE = 'notification'
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CALLBACK_NAME = 'nrdp'
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CALLBACK_NEEDS_WHITELIST = True
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# Nagios states
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OK = 0
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WARNING = 1
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CRITICAL = 2
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UNKNOWN = 3
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def __init__(self):
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super(CallbackModule, self).__init__()
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self.printed_playbook = False
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self.playbook_name = None
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self.play = None
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def set_options(self, task_keys=None, var_options=None, direct=None):
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super(CallbackModule, self).set_options(task_keys=task_keys, var_options=var_options, direct=direct)
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self.url = self.get_option('url')
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if not self.url.endswith('/'):
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self.url += '/'
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self.token = self.get_option('token')
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self.hostname = self.get_option('hostname')
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self.servicename = self.get_option('servicename')
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self.validate_nrdp_certs = self.get_option('validate_nrdp_certs')
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if (self.url or self.token or self.hostname or
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self.servicename) is None:
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self._display.warning("NRDP callback wants the NRDP_URL,"
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" NRDP_TOKEN, NRDP_HOSTNAME,"
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" NRDP_SERVICENAME"
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" environment variables'."
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" The NRDP callback plugin is disabled.")
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self.disabled = True
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def _send_nrdp(self, state, msg):
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'''
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nrpd service check send XMLDATA like this:
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<?xml version='1.0'?>
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<checkresults>
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<checkresult type='service'>
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<hostname>somehost</hostname>
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<servicename>someservice</servicename>
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<state>1</state>
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<output>WARNING: Danger Will Robinson!|perfdata</output>
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</checkresult>
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</checkresults>
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'''
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xmldata = "<?xml version='1.0'?>\n"
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xmldata += "<checkresults>\n"
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xmldata += "<checkresult type='service'>\n"
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xmldata += "<hostname>%s</hostname>\n" % self.hostname
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xmldata += "<servicename>%s</servicename>\n" % self.servicename
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xmldata += "<state>%d</state>\n" % state
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xmldata += "<output>%s</output>\n" % msg
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xmldata += "</checkresult>\n"
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xmldata += "</checkresults>\n"
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body = {
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'cmd': 'submitcheck',
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'token': self.token,
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'XMLDATA': bytes(xmldata)
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}
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try:
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response = open_url(self.url,
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data=urlencode(body),
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method='POST',
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validate_certs=self.validate_nrdp_certs)
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return response.read()
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except Exception as ex:
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self._display.warning("NRDP callback cannot send result {0}".format(ex))
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def v2_playbook_on_play_start(self, play):
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'''
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Display Playbook and play start messages
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'''
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self.play = play
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def v2_playbook_on_stats(self, stats):
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'''
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Display info about playbook statistics
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'''
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name = self.play
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gstats = ""
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hosts = sorted(stats.processed.keys())
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critical = warning = 0
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for host in hosts:
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stat = stats.summarize(host)
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gstats += "'%s_ok'=%d '%s_changed'=%d \
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'%s_unreachable'=%d '%s_failed'=%d " % \
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(host, stat['ok'], host, stat['changed'],
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host, stat['unreachable'], host, stat['failures'])
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# Critical when failed tasks or unreachable host
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critical += stat['failures']
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critical += stat['unreachable']
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# Warning when changed tasks
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warning += stat['changed']
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msg = "%s | %s" % (name, gstats)
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if critical:
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# Send Critical
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self._send_nrdp(self.CRITICAL, msg)
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elif warning:
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# Send Warning
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self._send_nrdp(self.WARNING, msg)
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else:
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# Send OK
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self._send_nrdp(self.OK, msg)
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