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mail callback: Much improved version (#28501)

So 5 years after the original version, it's time to give this callback
plugin some needed rework.

This PR includes:
- Reuse same logic for failed, unreachable or Async errors
- Add playbook and task information at the top (easier to find context)
- Improve the sections (ie. indented content)
This commit is contained in:
Dag Wieers 2017-08-30 05:58:40 +02:00 committed by GitHub
parent 9fdda46aea
commit 47be50a450

View file

@ -1,43 +1,34 @@
# -*- coding: utf-8 -*-
# Copyright 2012 Dag Wieers <dag@wieers.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
# Make coding more python3-ish
# Copyright: (c) 2012, Dag Wieers <dag@wieers.com>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import json
import os
import smtplib
import json
from ansible.module_utils.six import string_types
from ansible.module_utils._text import to_bytes
from ansible.plugins.callback import CallbackBase
def mail(subject='Ansible error mail', sender=None, to=None, cc=None, bcc=None, body=None, smtphost=None):
class CallbackModule(CallbackBase):
''' This Ansible callback plugin mails errors to interested parties. '''
CALLBACK_VERSION = 2.0
CALLBACK_TYPE = 'notification'
CALLBACK_NAME = 'mail'
CALLBACK_NEEDS_WHITELIST = True
def mail(self, subject='Ansible error mail', sender=None, to=None, cc=None, bcc=None, body=None, smtphost=None):
if smtphost is None:
smtphost = os.getenv('SMTPHOST', 'localhost')
if sender is None:
sender = '<root>'
if to is None:
to = 'root'
if smtphost is None:
smtphost = os.getenv('SMTPHOST', 'localhost')
if body is None:
body = subject
@ -68,68 +59,64 @@ def mail(subject='Ansible error mail', sender=None, to=None, cc=None, bcc=None,
smtp.quit()
def subject_msg(self, multiline, failtype, linenr):
return '%s: %s' % (failtype, multiline.strip('\r\n').splitlines()[linenr])
class CallbackModule(CallbackBase):
"""
This Ansible callback plugin mails errors to interested parties.
"""
CALLBACK_VERSION = 2.0
CALLBACK_TYPE = 'notification'
CALLBACK_NAME = 'mail'
CALLBACK_NEEDS_WHITELIST = True
def body_blob(self, multiline, texttype):
''' Turn some text output in a well-indented block for sending in a mail body '''
blob = 'with the following %s:\n\n' % texttype
for line in multiline.strip('\r\n').splitlines():
blob += '\t%s\n' % line
return blob + '\n'
def v2_runner_on_failed(self, res, ignore_errors=False):
def mail_result(self, result, failtype):
host = result._host.get_name()
host = res._host.get_name()
sender = '"Ansible: %s" <root>' % host
subject = '%s: %s' % (failtype, result._task.name or result._task.action)
body = ''
body += 'Playbook: %s\n' % os.path.basename(self.playbook._file_name)
if result._task.name:
body += 'Task: %s\n' % result._task.name
body += 'Module: %s\n' % result._task.action
body += 'Host: %s\n' % host
body += '\n'
body += 'The following task failed:\n\n'
if 'invocation' in result._result:
body += '\t%s: %s\n\n' % (result._task.action, json.dumps(result._result['invocation']['module_args']))
elif result._task.name:
body += '\t%s (%s)\n\n' % (result._task.name, result._task.action)
else:
body += '\t%s\n\n' % result._task.action
if result._result.get('stdout'):
subject = self.subject_msg(result._result['stdout'], failtype, -1)
body += self.body_blob(result._result['stdout'], 'standard output')
if result._result.get('stderr'):
subject = self.subject_msg(result._result['stderr'], failtype, -1)
body += self.body_blob(result._result['stderr'], 'error output')
if result._result.get('msg'):
subject = self.subject_msg(result._result['msg'], failtype, 0)
body += self.body_blob(result._result['msg'], 'message')
body += 'A complete dump of the error:\n\n'
body += '\t%s: %s' % (failtype, json.dumps(result._result))
self.mail(sender=sender, subject=subject, body=body)
def v2_playbook_on_start(self, playbook):
self.playbook = playbook
def v2_runner_on_failed(self, result, ignore_errors=False):
if ignore_errors:
return
sender = '"Ansible: %s" <root>' % host
attach = res._task.action
if 'invocation' in res._result:
attach = "%s: %s" % (res._task.action, json.dumps(res._result['invocation']['module_args']))
subject = 'Failed: %s' % attach
body = 'The following task failed for host ' + host + ':\n\n%s\n\n' % attach
if 'stdout' in res._result and res._result['stdout']:
subject = res._result['stdout'].strip('\r\n').split('\n')[-1]
body += 'with the following output in standard output:\n\n' + res._result['stdout'] + '\n\n'
if 'stderr' in res._result and res._result['stderr']:
subject = res._result['stderr'].strip('\r\n').split('\n')[-1]
body += 'with the following output in standard error:\n\n' + res._result['stderr'] + '\n\n'
if 'msg' in res._result and res._result['msg']:
subject = res._result['msg'].strip('\r\n').split('\n')[0]
body += 'with the following message:\n\n' + res._result['msg'] + '\n\n'
body += 'A complete dump of the error:\n\n' + self._dump_results(res._result)
mail(sender=sender, subject=subject, body=body)
self.mail_result(result, 'Failed')
def v2_runner_on_unreachable(self, result):
host = result._host.get_name()
res = result._result
sender = '"Ansible: %s" <root>' % host
if isinstance(res, string_types):
subject = 'Unreachable: %s' % res.strip('\r\n').split('\n')[-1]
body = 'An error occurred for host ' + host + ' with the following message:\n\n' + res
else:
subject = 'Unreachable: %s' % res['msg'].strip('\r\n').split('\n')[0]
body = 'An error occurred for host ' + host + ' with the following message:\n\n' + \
res['msg'] + '\n\nA complete dump of the error:\n\n' + str(res)
mail(sender=sender, subject=subject, body=body)
self.mail_result(result, 'Unreachable')
def v2_runner_on_async_failed(self, result):
host = result._host.get_name()
res = result._result
sender = '"Ansible: %s" <root>' % host
if isinstance(res, string_types):
subject = 'Async failure: %s' % res.strip('\r\n').split('\n')[-1]
body = 'An error occurred for host ' + host + ' with the following message:\n\n' + res
else:
subject = 'Async failure: %s' % res['msg'].strip('\r\n').split('\n')[0]
body = 'An error occurred for host ' + host + ' with the following message:\n\n' + \
res['msg'] + '\n\nA complete dump of the error:\n\n' + str(res)
mail(sender=sender, subject=subject, body=body)
self.mail_result(result, 'Async failure')