salt/salt/modules/slack_notify.py
Erik Johnson 7b13a7df8b
Replace json module usage with a helper to ensure unicode content is handled properly
This adds wrappers for json.dump{,s} which disable `ensure_ascii` by
default.
2017-12-27 09:30:58 -06:00

322 lines
8.4 KiB
Python

# -*- coding: utf-8 -*-
'''
Module for sending messages to Slack
.. versionadded:: 2015.5.0
:configuration: This module can be used by either passing an api key and version
directly or by specifying both in a configuration profile in the salt
master/minion config.
For example:
.. code-block:: yaml
slack:
api_key: peWcBiMOS9HrZG15peWcBiMOS9HrZG15
'''
# Import Python libs
from __future__ import absolute_import
import logging
# Import Salt libs
import salt.utils.json
import salt.utils.slack
from salt.exceptions import SaltInvocationError
# Import 3rd-party libs
# pylint: disable=import-error,no-name-in-module,redefined-builtin
from salt.ext.six.moves.urllib.parse import urlencode as _urlencode
from salt.ext.six.moves.urllib.parse import urljoin as _urljoin
from salt.ext.six.moves import range
import salt.ext.six.moves.http_client
# pylint: enable=import-error,no-name-in-module
log = logging.getLogger(__name__)
__virtualname__ = 'slack'
def __virtual__():
'''
Return virtual name of the module.
:return: The virtual name of the module.
'''
return __virtualname__
def _get_api_key():
api_key = __salt__['config.get']('slack.api_key') or \
__salt__['config.get']('slack:api_key')
if not api_key:
raise SaltInvocationError('No Slack API key found.')
return api_key
def _get_hook_id():
url = __salt__['config.get']('slack.hook') or \
__salt__['config.get']('slack:hook')
if not url:
raise SaltInvocationError('No Slack WebHook url found')
return url
def list_rooms(api_key=None):
'''
List all Slack rooms.
:param api_key: The Slack admin api key.
:return: The room list.
CLI Example:
.. code-block:: bash
salt '*' slack.list_rooms
salt '*' slack.list_rooms api_key=peWcBiMOS9HrZG15peWcBiMOS9HrZG15
'''
if not api_key:
api_key = _get_api_key()
return salt.utils.slack.query(function='rooms',
api_key=api_key,
opts=__opts__)
def list_users(api_key=None):
'''
List all Slack users.
:param api_key: The Slack admin api key.
:return: The user list.
CLI Example:
.. code-block:: bash
salt '*' slack.list_users
salt '*' slack.list_users api_key=peWcBiMOS9HrZG15peWcBiMOS9HrZG15
'''
if not api_key:
api_key = _get_api_key()
return salt.utils.slack.query(function='users',
api_key=api_key,
opts=__opts__)
def find_room(name, api_key=None):
'''
Find a room by name and return it.
:param name: The room name.
:param api_key: The Slack admin api key.
:return: The room object.
CLI Example:
.. code-block:: bash
salt '*' slack.find_room name="random"
salt '*' slack.find_room name="random" api_key=peWcBiMOS9HrZG15peWcBiMOS9HrZG15
'''
if not api_key:
api_key = _get_api_key()
# search results don't include the name of the
# channel with a hash, if the passed channel name
# has a hash we remove it.
if name.startswith('#'):
name = name[1:]
ret = list_rooms(api_key)
if ret['res']:
rooms = ret['message']
if rooms:
for room in range(0, len(rooms)):
if rooms[room]['name'] == name:
return rooms[room]
return False
def find_user(name, api_key=None):
'''
Find a user by name and return it.
:param name: The user name.
:param api_key: The Slack admin api key.
:return: The user object.
CLI Example:
.. code-block:: bash
salt '*' slack.find_user name="ThomasHatch"
salt '*' slack.find_user name="ThomasHatch" api_key=peWcBiMOS9HrZG15peWcBiMOS9HrZG15
'''
if not api_key:
api_key = _get_api_key()
ret = list_users(api_key)
if ret['res']:
users = ret['message']
if users:
for user in range(0, len(users)):
if users[user]['name'] == name:
return users[user]
return False
def post_message(channel,
message,
from_name,
api_key=None,
icon=None):
'''
Send a message to a Slack channel.
:param channel: The channel name, either will work.
:param message: The message to send to the Slack channel.
:param from_name: Specify who the message is from.
:param api_key: The Slack api key, if not specified in the configuration.
:param icon: URL to an image to use as the icon for this message
:return: Boolean if message was sent successfully.
CLI Example:
.. code-block:: bash
salt '*' slack.post_message channel="Development Room" message="Build is done" from_name="Build Server"
'''
if not api_key:
api_key = _get_api_key()
if not channel:
log.error('channel is a required option.')
# channel must start with a hash or an @ (direct-message channels)
if not channel.startswith('#') and not channel.startswith('@'):
log.warning('Channel name must start with a hash or @. Prepending a hash and using "#{0}" as channel name instead of {1}'.format(channel, channel))
channel = '#{0}'.format(channel)
if not from_name:
log.error('from_name is a required option.')
if not message:
log.error('message is a required option.')
if not from_name:
log.error('from_name is a required option.')
parameters = {
'channel': channel,
'username': from_name,
'text': message
}
if icon is not None:
parameters['icon_url'] = icon
# Slack wants the body on POST to be urlencoded.
result = salt.utils.slack.query(function='message',
api_key=api_key,
method='POST',
header_dict={'Content-Type': 'application/x-www-form-urlencoded'},
data=_urlencode(parameters),
opts=__opts__)
if result['res']:
return True
else:
return result
def call_hook(message,
attachment=None,
color='good',
short=False,
identifier=None,
channel=None,
username=None,
icon_emoji=None):
'''
Send message to Slack incoming webhook.
:param message: The topic of message.
:param attachment: The message to send to the Slacke WebHook.
:param color: The color of border of left side
:param short: An optional flag indicating whether the value is short
enough to be displayed side-by-side with other values.
:param identifier: The identifier of WebHook.
:param channel: The channel to use instead of the WebHook default.
:param username: Username to use instead of WebHook default.
:param icon_emoji: Icon to use instead of WebHook default.
:return: Boolean if message was sent successfully.
CLI Example:
.. code-block:: bash
salt '*' slack.call_hook message='Hello, from SaltStack'
'''
base_url = 'https://hooks.slack.com/services/'
if not identifier:
identifier = _get_hook_id()
url = _urljoin(base_url, identifier)
if not message:
log.error('message is required option')
if attachment:
payload = {
'attachments': [
{
'fallback': message,
'color': color,
'pretext': message,
'fields': [
{
"value": attachment,
"short": short,
}
]
}
]
}
else:
payload = {
'text': message,
}
if channel:
payload['channel'] = channel
if username:
payload['username'] = username
if icon_emoji:
payload['icon_emoji'] = icon_emoji
data = _urlencode(
{
'payload': salt.utils.json.dumps(payload)
}
)
result = salt.utils.http.query(url, method='POST', data=data, status=True)
if result['status'] <= 201:
return True
else:
return {
'res': False,
'message': result.get('body', result['status'])
}