summaryrefslogtreecommitdiffstats
path: root/ansible_collections/community/general/plugins/callback/mail.py
blob: 9e8314baf8713901965e223921cd4e0016d83498 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
# -*- 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)