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homeserver/ansible_collections/community/general/plugins/callback/slack.py
mg c648a48c4c systemd: sanoid (#346) 
Co-authored-by: Michael Grote <michael.grote@posteo.de>
Reviewed-on: mg/ansible#346
Co-authored-by: mg <michael.grote@posteo.de>
Co-committed-by: mg <michael.grote@posteo.de>
2022-04-03 11:04:27 +02:00

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# -*- coding: utf-8 -*-
# (C) 2014-2015, Matt Martz <matt@sivel.net>
# (C) 2017 Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
# Make coding more python3-ish
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
DOCUMENTATION = '''
author: Unknown (!UNKNOWN)
name: slack
type: notification
requirements:
- whitelist in configuration
- prettytable (python library)
short_description: Sends play events to a Slack channel
description:
- This is an ansible callback plugin that sends status updates to a Slack channel during playbook execution.
- Before 2.4 only environment variables were available for configuring this plugin
options:
webhook_url:
required: True
description: Slack Webhook URL
env:
- name: SLACK_WEBHOOK_URL
ini:
- section: callback_slack
key: webhook_url
channel:
default: "#ansible"
description: Slack room to post in.
env:
- name: SLACK_CHANNEL
ini:
- section: callback_slack
key: channel
username:
description: Username to post as.
env:
- name: SLACK_USERNAME
default: ansible
ini:
- section: callback_slack
key: username
validate_certs:
description: validate the SSL certificate of the Slack server. (For HTTPS URLs)
env:
- name: SLACK_VALIDATE_CERTS
ini:
- section: callback_slack
key: validate_certs
default: True
type: bool
'''
import json
import os
import uuid
from ansible import context
from ansible.module_utils.common.text.converters import to_text
from ansible.module_utils.urls import open_url
from ansible.plugins.callback import CallbackBase
try:
import prettytable
HAS_PRETTYTABLE = True
except ImportError:
HAS_PRETTYTABLE = False
class CallbackModule(CallbackBase):
"""This is an ansible callback plugin that sends status
updates to a Slack channel during playbook execution.
"""
CALLBACK_VERSION = 2.0
CALLBACK_TYPE = 'notification'
CALLBACK_NAME = 'community.general.slack'
CALLBACK_NEEDS_WHITELIST = True
def __init__(self, display=None):
super(CallbackModule, self).__init__(display=display)
if not HAS_PRETTYTABLE:
self.disabled = True
self._display.warning('The `prettytable` python module is not '
'installed. Disabling the Slack callback '
'plugin.')
self.playbook_name = None
# This is a 6 character identifier provided with each message
# This makes it easier to correlate messages when there are more
# than 1 simultaneous playbooks running
self.guid = uuid.uuid4().hex[:6]
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.webhook_url = self.get_option('webhook_url')
self.channel = self.get_option('channel')
self.username = self.get_option('username')
self.show_invocation = (self._display.verbosity > 1)
self.validate_certs = self.get_option('validate_certs')
if self.webhook_url is None:
self.disabled = True
self._display.warning('Slack Webhook URL was not provided. The '
'Slack Webhook URL can be provided using '
'the `SLACK_WEBHOOK_URL` environment '
'variable.')
def send_msg(self, attachments):
headers = {
'Content-type': 'application/json',
}
payload = {
'channel': self.channel,
'username': self.username,
'attachments': attachments,
'parse': 'none',
'icon_url': ('https://cdn2.hubspot.net/hub/330046/'
'file-449187601-png/ansible_badge.png'),
}
data = json.dumps(payload)
self._display.debug(data)
self._display.debug(self.webhook_url)
try:
response = open_url(self.webhook_url, data=data, validate_certs=self.validate_certs,
headers=headers)
return response.read()
except Exception as e:
self._display.warning(u'Could not submit message to Slack: %s' %
to_text(e))
def v2_playbook_on_start(self, playbook):
self.playbook_name = os.path.basename(playbook._file_name)
title = [
'*Playbook initiated* (_%s_)' % self.guid
]
invocation_items = []
if context.CLIARGS and self.show_invocation:
tags = context.CLIARGS['tags']
skip_tags = context.CLIARGS['skip_tags']
extra_vars = context.CLIARGS['extra_vars']
subset = context.CLIARGS['subset']
inventory = [os.path.abspath(i) for i in context.CLIARGS['inventory']]
invocation_items.append('Inventory: %s' % ', '.join(inventory))
if tags and tags != ['all']:
invocation_items.append('Tags: %s' % ', '.join(tags))
if skip_tags:
invocation_items.append('Skip Tags: %s' % ', '.join(skip_tags))
if subset:
invocation_items.append('Limit: %s' % subset)
if extra_vars:
invocation_items.append('Extra Vars: %s' %
' '.join(extra_vars))
title.append('by *%s*' % context.CLIARGS['remote_user'])
title.append('\n\n*%s*' % self.playbook_name)
msg_items = [' '.join(title)]
if invocation_items:
msg_items.append('```\n%s\n```' % '\n'.join(invocation_items))
msg = '\n'.join(msg_items)
attachments = [{
'fallback': msg,
'fields': [
{
'value': msg
}
],
'color': 'warning',
'mrkdwn_in': ['text', 'fallback', 'fields'],
}]
self.send_msg(attachments=attachments)
def v2_playbook_on_play_start(self, play):
"""Display Play start messages"""
name = play.name or 'Play name not specified (%s)' % play._uuid
msg = '*Starting play* (_%s_)\n\n*%s*' % (self.guid, name)
attachments = [
{
'fallback': msg,
'text': msg,
'color': 'warning',
'mrkdwn_in': ['text', 'fallback', 'fields'],
}
]
self.send_msg(attachments=attachments)
def v2_playbook_on_stats(self, stats):
"""Display info about playbook statistics"""
hosts = sorted(stats.processed.keys())
t = prettytable.PrettyTable(['Host', 'Ok', 'Changed', 'Unreachable',
'Failures', 'Rescued', 'Ignored'])
failures = False
unreachable = False
for h in hosts:
s = stats.summarize(h)
if s['failures'] > 0:
failures = True
if s['unreachable'] > 0:
unreachable = True
t.add_row([h] + [s[k] for k in ['ok', 'changed', 'unreachable',
'failures', 'rescued', 'ignored']])
attachments = []
msg_items = [
'*Playbook Complete* (_%s_)' % self.guid
]
if failures or unreachable:
color = 'danger'
msg_items.append('\n*Failed!*')
else:
color = 'good'
msg_items.append('\n*Success!*')
msg_items.append('```\n%s\n```' % t)
msg = '\n'.join(msg_items)
attachments.append({
'fallback': msg,
'fields': [
{
'value': msg
}
],
'color': color,
'mrkdwn_in': ['text', 'fallback', 'fields']
})
self.send_msg(attachments=attachments)
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