# -*- coding: utf-8 -*-
# Copyright (c) 2012, Dag Wieers <dag@wieers.com>
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
DOCUMENTATION = '''
name: mail
type: notification
short_description: Sends failure events via email
description:
- This callback will report failures via email.
author:
- Dag Wieers (@dagwieers)
requirements:
- whitelisting in configuration
options:
mta:
description:
- Mail Transfer Agent, server that accepts SMTP.
type: str
env:
- name: SMTPHOST
ini:
- section: callback_mail
key: smtphost
default: localhost
mtaport:
description:
- Mail Transfer Agent Port.
- Port at which server SMTP.
type: int
ini:
- section: callback_mail
key: smtpport
default: 25
to:
description:
- Mail recipient.
type: list
elements: str
ini:
- section: callback_mail
key: to
default: [root]
sender:
description:
- Mail sender.
- This is required since community.general 6.0.0.
type: str
required: true
ini:
- section: callback_mail
key: sender
cc:
description:
- CC'd recipients.
type: list
elements: str
ini:
- section: callback_mail
key: cc
bcc:
description:
- BCC'd recipients.
type: list
elements: str
ini:
- section: callback_mail
key: bcc
'''
import json
import os
import re
import email.utils
import smtplib
from ansible.module_utils.common.text.converters import to_bytes
from ansible.parsing.ajson import AnsibleJSONEncoder
from ansible.plugins.callback import CallbackBase
class CallbackModule(CallbackBase):
''' This Ansible callback plugin mails errors to interested parties. '''
CALLBACK_VERSION = 2.0
CALLBACK_TYPE = 'notification'
CALLBACK_NAME = 'community.general.mail'
CALLBACK_NEEDS_WHITELIST = True
def __init__(self, display=None):
super(CallbackModule, self).__init__(display=display)
self.sender = None
self.to = 'root'
self.smtphost = os.getenv('SMTPHOST', 'localhost')
self.smtpport = 25
self.cc = None
self.bcc = None
def set_options(self, task_keys=None, var_options=None, direct=None):
super(CallbackModule, self).set_options(task_keys=task_keys, var_options=var_options, direct=direct)
self.sender = self.get_option('sender')
self.to = self.get_option('to')
self.smtphost = self.get_option('mta')
self.smtpport = self.get_option('mtaport')
self.cc = self.get_option('cc')
self.bcc = self.get_option('bcc')
def mail(self, subject='Ansible error mail', body=None):
if body is None:
body = subject
smtp = smtplib.SMTP(self.smtphost, port=self.smtpport)
sender_address = email.utils.parseaddr(self.sender)
if self.to:
to_addresses = email.utils.getaddresses(self.to)
if self.cc:
cc_addresses = email.utils.getaddresses(self.cc)
if self.bcc:
bcc_addresses = email.utils.getaddresses(self.bcc)
content = 'Date: %s\n' % email.utils.formatdate()
content += 'From: %s\n' % email.utils.formataddr(sender_address)
if self.to:
content += 'To: %s\n' % ', '.join([email.utils.formataddr(pair) for pair in to_addresses])
if self.cc:
content += 'Cc: %s\n' % ', '.join([email.utils.formataddr(pair) for pair in cc_addresses])
content += 'Message-ID: %s\n' % email.utils.make_msgid()
content += 'Subject: %s\n\n' % subject.strip()
content += body
addresses = to_addresses
if self.cc:
addresses += cc_addresses
if self.bcc:
addresses += bcc_addresses
if not addresses:
self._display.warning('No receiver has been specified for the mail callback plugin.')
smtp.sendmail(self.sender, [address for name, address in addresses], to_bytes(content))
smtp.quit()
def subject_msg(self, multiline, failtype, linenr):
return '%s: %s' % (failtype, multiline.strip('\r\n').splitlines()[linenr])
def indent(self, multiline, indent=8):
return re.sub('^', ' ' * indent, multiline, flags=re.MULTILINE)
def body_blob(self, multiline, texttype):
''' Turn some text output in a well-indented block for sending in a mail body '''
intro = 'with the following %s:\n\n' % texttype
blob = ''
for line in multiline.strip('\r\n').splitlines():
blob += '%s\n' % line
return intro + self.indent(blob) + '\n'
def mail_result(self, result, failtype):
host = result._host.get_name()
if not self.sender:
self.sender = '"Ansible: %s" <root>' % host
# Add subject
if self.itembody:
subject = self.itemsubject
elif result._result.get('failed_when_result') is True:
subject = "Failed due to 'failed_when' condition"
elif result._result.get('msg'):
subject = self.subject_msg(result._result['msg'], failtype, 0)
elif result._result.get('stderr'):
subject = self.subject_msg(result._result['stderr'], failtype, -1)
elif result._result.get('stdout'):
subject = self.subject_msg(result._result['stdout'], failtype, -1)
elif result._result.get('exception'): # Unrelated exceptions are added to output :-/
subject = self.subject_msg(result._result['exception'], failtype, -1)
else:
subject = '%s: %s' % (failtype, result._task.name or result._task.action)
# Make playbook name visible (e.g. in Outlook/Gmail condensed view)
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'
# Add task information (as much as possible)
body += 'The following task failed:\n\n'
if 'invocation' in result._result:
body += self.indent('%s: %s\n' % (result._task.action, json.dumps(result._result['invocation']['module_args'], indent=4)))
elif result._task.name:
body += self.indent('%s (%s)\n' % (result._task.name, result._task.action))
else:
body += self.indent('%s\n' % result._task.action)
body += '\n'
# Add item / message
if self.itembody:
body += self.itembody
elif result._result.get('failed_when_result') is True:
body += "due to the following condition:\n\n" + self.indent('failed_when:\n- ' + '\n- '.join(result._task.failed_when)) + '\n\n'
elif result._result.get('msg'):
body += self.body_blob(result._result['msg'], 'message')
# Add stdout / stderr / exception / warnings / deprecations
if result._result.get('stdout'):
body += self.body_blob(result._result['stdout'], 'standard output')
if result._result.get('stderr'):
body += self.body_blob(result._result['stderr'], 'error output')
if result._result.get('exception'): # Unrelated exceptions are added to output :-/
body += self.body_blob(result._result['exception'], 'exception')
if result._result.get('warnings'):
for i in range(len(result._result.get('warnings'))):
body += self.body_blob(result._result['warnings'][i], 'exception %d' % (i + 1))
if result._result.get('deprecations'):
for i in range(len(result._result.get('deprecations'))):
body += self.body_blob(result._result['deprecations'][i], 'exception %d' % (i + 1))
body += 'and a complete dump of the error:\n\n'
body += self.indent('%s: %s' % (failtype, json.dumps(result._result, cls=AnsibleJSONEncoder, indent=4)))
self.mail(subject=subject, body=body)
def v2_playbook_on_start(self, playbook):
self.playbook = playbook
self.itembody = ''
def v2_runner_on_failed(self, result, ignore_errors=False):
if ignore_errors:
return
self.mail_result(result, 'Failed')
def v2_runner_on_unreachable(self, result):
self.mail_result(result, 'Unreachable')
def v2_runner_on_async_failed(self, result):
self.mail_result(result, 'Async failure')
def v2_runner_item_on_failed(self, result):
# Pass item information to task failure
self.itemsubject = result._result['msg']
self.itembody += self.body_blob(json.dumps(result._result, cls=AnsibleJSONEncoder, indent=4), "failed item dump '%(item)s'" % result._result)