ansible/monitoring/datadog_monitor.py

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#!/usr/bin/python
# -*- coding: utf-8 -*-
# (c) 2015, Sebastian Kornehl <sebastian.kornehl@asideas.de>
#
# 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/>.
# import module snippets
# Import Datadog
try:
from datadog import initialize, api
HAS_DATADOG = True
except:
HAS_DATADOG = False
DOCUMENTATION = '''
---
module: datadog_monitor
short_description: Manages Datadog monitors
description:
- "Manages monitors within Datadog"
- "Options like described on http://docs.datadoghq.com/api/"
version_added: "2.0"
author: "Sebastian Kornehl (@skornehl)"
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notes: []
requirements: [datadog]
options:
api_key:
description: ["Your DataDog API key."]
required: true
app_key:
description: ["Your DataDog app key."]
required: true
state:
description: ["The designated state of the monitor."]
required: true
choices: ['present', 'absent', 'muted', 'unmuted']
type:
description: ["The type of the monitor."]
required: false
default: null
choices: ['metric alert', 'service check']
query:
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description: ["The monitor query to notify on with syntax varying depending on what type of monitor you are creating."]
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required: false
default: null
name:
description: ["The name of the alert."]
required: true
message:
description: ["A message to include with notifications for this monitor. Email notifications can be sent to specific users by using the same '@username' notation as events."]
required: false
default: null
silenced:
description: ["Dictionary of scopes to timestamps or None. Each scope will be muted until the given POSIX timestamp or forever if the value is None. "]
required: false
default: ""
notify_no_data:
description: ["A boolean indicating whether this monitor will notify when data stops reporting.."]
required: false
default: False
no_data_timeframe:
description: ["The number of minutes before a monitor will notify when data stops reporting. Must be at least 2x the monitor timeframe for metric alerts or 2 minutes for service checks."]
required: false
default: 2x timeframe for metric, 2 minutes for service
timeout_h:
description: ["The number of hours of the monitor not reporting data before it will automatically resolve from a triggered state."]
required: false
default: null
renotify_interval:
description: ["The number of minutes after the last notification before a monitor will re-notify on the current status. It will only re-notify if it's not resolved."]
required: false
default: null
escalation_message:
description: ["A message to include with a re-notification. Supports the '@username' notification we allow elsewhere. Not applicable if renotify_interval is None"]
required: false
default: null
notify_audit:
description: ["A boolean indicating whether tagged users will be notified on changes to this monitor."]
required: false
default: False
thresholds:
description: ["A dictionary of thresholds by status. Because service checks can have multiple thresholds, we don't define them directly in the query."]
required: false
default: {'ok': 1, 'critical': 1, 'warning': 1}
'''
EXAMPLES = '''
# Create a metric monitor
datadog_monitor:
type: "metric alert"
name: "Test monitor"
state: "present"
query: "datadog.agent.up".over("host:host1").last(2).count_by_status()"
message: "Some message."
api_key: "9775a026f1ca7d1c6c5af9d94d9595a4"
app_key: "87ce4a24b5553d2e482ea8a8500e71b8ad4554ff"
# Deletes a monitor
datadog_monitor:
name: "Test monitor"
state: "absent"
api_key: "9775a026f1ca7d1c6c5af9d94d9595a4"
app_key: "87ce4a24b5553d2e482ea8a8500e71b8ad4554ff"
# Mutes a monitor
datadog_monitor:
name: "Test monitor"
state: "mute"
silenced: '{"*":None}'
api_key: "9775a026f1ca7d1c6c5af9d94d9595a4"
app_key: "87ce4a24b5553d2e482ea8a8500e71b8ad4554ff"
# Unmutes a monitor
datadog_monitor:
name: "Test monitor"
state: "unmute"
api_key: "9775a026f1ca7d1c6c5af9d94d9595a4"
app_key: "87ce4a24b5553d2e482ea8a8500e71b8ad4554ff"
'''
def main():
module = AnsibleModule(
argument_spec=dict(
api_key=dict(required=True),
app_key=dict(required=True),
state=dict(required=True, choises=['present', 'absent', 'mute', 'unmute']),
type=dict(required=False, choises=['metric alert', 'service check']),
name=dict(required=True),
query=dict(required=False),
message=dict(required=False, default=None),
silenced=dict(required=False, default=None, type='dict'),
notify_no_data=dict(required=False, default=False, choices=BOOLEANS),
no_data_timeframe=dict(required=False, default=None),
timeout_h=dict(required=False, default=None),
renotify_interval=dict(required=False, default=None),
escalation_message=dict(required=False, default=None),
notify_audit=dict(required=False, default=False, choices=BOOLEANS),
thresholds=dict(required=False, type='dict', default={'ok': 1, 'critical': 1, 'warning': 1}),
)
)
# Prepare Datadog
if not HAS_DATADOG:
module.fail_json(msg='datadogpy required for this module')
options = {
'api_key': module.params['api_key'],
'app_key': module.params['app_key']
}
initialize(**options)
if module.params['state'] == 'present':
install_monitor(module)
elif module.params['state'] == 'absent':
delete_monitor(module)
elif module.params['state'] == 'mute':
mute_monitor(module)
elif module.params['state'] == 'unmute':
unmute_monitor(module)
def _get_monitor(module):
for monitor in api.Monitor.get_all():
if monitor['name'] == module.params['name']:
return monitor
return {}
def _post_monitor(module, options):
try:
msg = api.Monitor.create(type=module.params['type'], query=module.params['query'],
name=module.params['name'], message=module.params['message'],
options=options)
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if 'errors' in msg:
module.fail_json(msg=str(msg['errors']))
else:
module.exit_json(changed=True, msg=msg)
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except Exception, e:
module.fail_json(msg=str(e))
def _equal_dicts(a, b, ignore_keys):
ka = set(a).difference(ignore_keys)
kb = set(b).difference(ignore_keys)
return ka == kb and all(a[k] == b[k] for k in ka)
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def _update_monitor(module, monitor, options):
try:
msg = api.Monitor.update(id=monitor['id'], query=module.params['query'],
name=module.params['name'], message=module.params['message'],
options=options)
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if 'errors' in msg:
module.fail_json(msg=str(msg['errors']))
elif _equal_dicts(msg, monitor, ['creator', 'overall_state']):
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module.exit_json(changed=False, msg=msg)
else:
module.exit_json(changed=True, msg=msg)
except Exception, e:
module.fail_json(msg=str(e))
def install_monitor(module):
options = {
"silenced": module.params['silenced'],
"notify_no_data": module.boolean(module.params['notify_no_data']),
"no_data_timeframe": module.params['no_data_timeframe'],
"timeout_h": module.params['timeout_h'],
"renotify_interval": module.params['renotify_interval'],
"escalation_message": module.params['escalation_message'],
"notify_audit": module.boolean(module.params['notify_audit']),
}
if module.params['type'] == "service check":
options["thresholds"] = module.params['thresholds']
monitor = _get_monitor(module)
if not monitor:
_post_monitor(module, options)
else:
_update_monitor(module, monitor, options)
def delete_monitor(module):
monitor = _get_monitor(module)
if not monitor:
module.exit_json(changed=False)
try:
msg = api.Monitor.delete(monitor['id'])
module.exit_json(changed=True, msg=msg)
except Exception, e:
module.fail_json(msg=str(e))
def mute_monitor(module):
monitor = _get_monitor(module)
if not monitor:
module.fail_json(msg="Monitor %s not found!" % module.params['name'])
elif monitor['options']['silenced']:
module.fail_json(msg="Monitor is already muted. Datadog does not allow to modify muted alerts, consider unmuting it first.")
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elif (module.params['silenced'] is not None
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and len(set(monitor['options']['silenced']) - set(module.params['silenced'])) == 0):
module.exit_json(changed=False)
try:
if module.params['silenced'] is None or module.params['silenced'] == "":
msg = api.Monitor.mute(id=monitor['id'])
else:
msg = api.Monitor.mute(id=monitor['id'], silenced=module.params['silenced'])
module.exit_json(changed=True, msg=msg)
except Exception, e:
module.fail_json(msg=str(e))
def unmute_monitor(module):
monitor = _get_monitor(module)
if not monitor:
module.fail_json(msg="Monitor %s not found!" % module.params['name'])
elif not monitor['options']['silenced']:
module.exit_json(changed=False)
try:
msg = api.Monitor.unmute(monitor['id'])
module.exit_json(changed=True, msg=msg)
except Exception, e:
module.fail_json(msg=str(e))
from ansible.module_utils.basic import *
from ansible.module_utils.urls import *
main()