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community.general/plugins/modules/monitoring/zabbix/zabbix_host_events_info.py

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2020-03-09 10:11:07 +01:00
#!/usr/bin/python
# -*- coding: utf-8 -*-
# (c) stephane.travassac@fr.clara.net
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'}
RETURN = '''
---
triggers_ok:
description: Host Zabbix Triggers in OK state
returned: On success
type: complex
contains:
comments:
description: Additional description of the trigger
type: str
description:
description: Name of the trigger
type: str
error:
description: Error text if there have been any problems when updating the state of the trigger
type: str
expression:
description: Reduced trigger expression
type: str
flags:
description: Origin of the trigger
type: int
lastchange:
description: Time when the trigger last changed its state (timestamp)
type: int
priority:
description: Severity of the trigger
type: int
state:
description: State of the trigger
type: int
status:
description: Whether the trigger is enabled or disabled
type: int
templateid:
description: ID of the parent template trigger
type: int
triggerid:
description: ID of the trigger
type: int
type:
description: Whether the trigger can generate multiple problem events
type: int
url:
description: URL associated with the trigger
type: str
value:
description: Whether the trigger is in OK or problem state
type: int
triggers_problem:
description: Host Zabbix Triggers in problem state. See trigger and event objects in API documentation of your zabbix version for more
returned: On success
type: complex
contains:
comments:
description: Additional description of the trigger
type: str
description:
description: Name of the trigger
type: str
error:
description: Error text if there have been any problems when updating the state of the trigger
type: str
expression:
description: Reduced trigger expression
type: str
flags:
description: Origin of the trigger
type: int
last_event:
description: last event informations
type: complex
contains:
acknowledged:
description: If set to true return only acknowledged events
type: int
acknowledges:
description: acknowledges informations
type: complex
contains:
alias:
description: Account who acknowledge
type: str
clock:
description: Time when the event was created (timestamp)
type: int
message:
description: Text of the acknowledgement message
type: str
clock:
description: Time when the event was created (timestamp)
type: int
eventid:
description: ID of the event
type: int
value:
description: State of the related object
type: int
lastchange:
description: Time when the trigger last changed its state (timestamp)
type: int
priority:
description: Severity of the trigger
type: int
state:
description: State of the trigger
type: int
status:
description: Whether the trigger is enabled or disabled
type: int
templateid:
description: ID of the parent template trigger
type: int
triggerid:
description: ID of the trigger
type: int
type:
description: Whether the trigger can generate multiple problem events
type: int
url:
description: URL associated with the trigger
type: str
value:
description: Whether the trigger is in OK or problem state
type: int
'''
DOCUMENTATION = '''
---
module: zabbix_host_events_info
short_description: Get all triggers about a Zabbix host
description:
- This module allows you to see if a Zabbix host have no active alert to make actions on it.
For this case use module Ansible 'fail' to exclude host in trouble.
- Length of "triggers_ok" allow if template's triggers exist for Zabbix Host
author:
- "Stéphane Travassac (@stravassac)"
requirements:
- "python >= 2.7"
- "zabbix-api >= 0.5.3"
options:
host_identifier:
description:
- Identifier of Zabbix Host
required: true
type: str
host_id_type:
description:
- Type of host_identifier
choices:
- hostname
- visible_name
- hostid
required: false
default: hostname
type: str
trigger_severity:
description:
- Zabbix severity for search filter
default: average
required: false
choices:
- not_classified
- information
- warning
- average
- high
- disaster
type: str
extends_documentation_fragment:
- community.general.zabbix
'''
EXAMPLES = '''
- name: exclude machine if alert active on it
zabbix_host_events_info:
server_url: "{{ zabbix_url }}"
login_user: "{{ lookup('env','ZABBIX_USER') }}"
login_password: "{{ lookup('env','ZABBIX_PASSWORD') }}"
host_identifier: "{{inventory_hostname}}"
host_id_type: "hostname"
timeout: 120
register: zbx_host
delegate_to: localhost
- fail:
msg: "machine alert in zabbix"
when: zbx_host['triggers_problem']|length > 0
'''
from ansible.module_utils.basic import AnsibleModule, missing_required_lib
import atexit
import traceback
try:
from zabbix_api import ZabbixAPI
HAS_ZABBIX_API = True
except ImportError:
ZBX_IMP_ERR = traceback.format_exc()
HAS_ZABBIX_API = False
class Host(object):
def __init__(self, module, zbx):
self._module = module
self._zapi = zbx
def get_host(self, host_identifier, host_inventory, search_key):
""" Get host by hostname|visible_name|hostid """
host = self._zapi.host.get(
{'output': 'extend', 'selectParentTemplates': ['name'], 'filter': {search_key: host_identifier},
'selectInventory': host_inventory})
if len(host) < 1:
self._module.fail_json(msg="Host not found: %s" % host_identifier)
else:
return host[0]
def get_triggers_by_host_id_in_problem_state(self, host_id, trigger_severity):
""" Get triggers in problem state from a hostid"""
# https://www.zabbix.com/documentation/3.4/manual/api/reference/trigger/get
output = 'extend'
triggers_list = self._zapi.trigger.get({'output': output, 'hostids': host_id,
'min_severity': trigger_severity})
return triggers_list
def get_last_event_by_trigger_id(self, triggers_id):
""" Get the last event from triggerid"""
output = ['eventid', 'clock', 'acknowledged', 'value']
select_acknowledges = ['clock', 'alias', 'message']
event = self._zapi.event.get({'output': output, 'objectids': triggers_id,
'select_acknowledges': select_acknowledges, "limit": 1, "sortfield": "clock",
"sortorder": "DESC"})
return event[0]
def main():
module = AnsibleModule(
argument_spec=dict(
server_url=dict(type='str', required=True, aliases=['url']),
login_user=dict(type='str', required=True),
login_password=dict(type='str', required=True, no_log=True),
http_login_user=dict(type='str', required=False, default=None),
http_login_password=dict(type='str', required=False, default=None, no_log=True),
host_identifier=dict(type='str', required=True),
host_id_type=dict(
default='hostname',
type='str',
choices=['hostname', 'visible_name', 'hostid']),
trigger_severity=dict(
type='str',
required=False,
default='average',
choices=['not_classified', 'information', 'warning', 'average', 'high', 'disaster']),
validate_certs=dict(type='bool', required=False, default=True),
timeout=dict(type='int', default=10),
),
supports_check_mode=True
)
if not HAS_ZABBIX_API:
module.fail_json(msg=missing_required_lib('zabbix-api', url='https://pypi.org/project/zabbix-api/'),
exception=ZBX_IMP_ERR)
trigger_severity_map = {'not_classified': 0, 'information': 1, 'warning': 2, 'average': 3, 'high': 4, 'disaster': 5}
server_url = module.params['server_url']
login_user = module.params['login_user']
login_password = module.params['login_password']
http_login_user = module.params['http_login_user']
http_login_password = module.params['http_login_password']
validate_certs = module.params['validate_certs']
host_id = module.params['host_identifier']
host_id_type = module.params['host_id_type']
trigger_severity = trigger_severity_map[module.params['trigger_severity']]
timeout = module.params['timeout']
host_inventory = 'hostid'
zbx = None
# login to zabbix
try:
zbx = ZabbixAPI(server_url, timeout=timeout, user=http_login_user, passwd=http_login_password,
validate_certs=validate_certs)
zbx.login(login_user, login_password)
atexit.register(zbx.logout)
except Exception as e:
module.fail_json(msg="Failed to connect to Zabbix server: %s" % e)
host = Host(module, zbx)
if host_id_type == 'hostname':
zabbix_host = host.get_host(host_id, host_inventory, 'host')
host_id = zabbix_host['hostid']
elif host_id_type == 'visible_name':
zabbix_host = host.get_host(host_id, host_inventory, 'name')
host_id = zabbix_host['hostid']
elif host_id_type == 'hostid':
''' check hostid exist'''
zabbix_host = host.get_host(host_id, host_inventory, 'hostid')
triggers = host.get_triggers_by_host_id_in_problem_state(host_id, trigger_severity)
triggers_ok = []
triggers_problem = []
for trigger in triggers:
# tGet last event for trigger with problem value = 1
# https://www.zabbix.com/documentation/3.4/manual/api/reference/trigger/object
if int(trigger['value']) == 1:
event = host.get_last_event_by_trigger_id(trigger['triggerid'])
trigger['last_event'] = event
triggers_problem.append(trigger)
else:
triggers_ok.append(trigger)
module.exit_json(ok=True, triggers_ok=triggers_ok, triggers_problem=triggers_problem)
if __name__ == '__main__':
main()