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#!/usr/bin/env python
'''
ansible module for zabbix triggers
'''
# vim: expandtab:tabstop=4:shiftwidth=4
#
# Zabbix trigger ansible module
#
#
# Copyright 2015 Red Hat Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# This is in place because each module looks similar to each other.
# These need duplicate code as their behavior is very similar
# but different for each zabbix class.
# pylint: disable=duplicate-code
# pylint: disable=import-error
from openshift_tools.zbxapi import ZabbixAPI, ZabbixConnection
def exists(content, key='result'):
''' Check if key exists in content or the size of content[key] > 0
'''
if not content.has_key(key):
return False
if not content[key]:
return False
return True
def get_priority(priority):
''' determine priority
'''
prior = 0
if 'info' in priority:
prior = 1
elif 'warn' in priority:
prior = 2
elif 'avg' == priority or 'ave' in priority:
prior = 3
elif 'high' in priority:
prior = 4
elif 'dis' in priority:
prior = 5
return prior
def get_deps(zapi, deps):
''' get trigger dependencies
'''
results = []
for desc in deps:
content = zapi.get_content('trigger',
'get',
{'filter': {'description': desc},
'expandExpression': True,
'selectDependencies': 'triggerid',
})
if content.has_key('result'):
results.append({'triggerid': content['result'][0]['triggerid']})
return results
def get_trigger_status(inc_status):
''' Determine the trigger's status
0 is enabled
1 is disabled
'''
r_status = 0
if inc_status == 'disabled':
r_status = 1
return r_status
def get_template_id(zapi, template_name):
'''
get related templates
'''
template_ids = []
app_ids = {}
# Fetch templates by name
content = zapi.get_content('template',
'get',
{'search': {'host': template_name},
'selectApplications': ['applicationid', 'name']})
if content.has_key('result'):
template_ids.append(content['result'][0]['templateid'])
for app in content['result'][0]['applications']:
app_ids[app['name']] = app['applicationid']
return template_ids, app_ids
def main():
'''
Create a trigger in zabbix
Example:
"params": {
"description": "Processor load is too high on {HOST.NAME}",
"expression": "{Linux server:system.cpu.load[percpu,avg1].last()}>5",
"dependencies": [
{
"triggerid": "14062"
}
]
},
'''
module = AnsibleModule(
argument_spec=dict(
zbx_server=dict(default='https://localhost/zabbix/api_jsonrpc.php', type='str'),
zbx_user=dict(default=os.environ.get('ZABBIX_USER', None), type='str'),
zbx_password=dict(default=os.environ.get('ZABBIX_PASSWORD', None), type='str'),
zbx_debug=dict(default=False, type='bool'),
expression=dict(default=None, type='str'),
name=dict(default=None, type='str'),
description=dict(default=None, type='str'),
dependencies=dict(default=[], type='list'),
priority=dict(default='avg', type='str'),
url=dict(default=None, type='str'),
status=dict(default=None, type='str'),
state=dict(default='present', type='str'),
template_name=dict(default=None, type='str'),
hostgroup_name=dict(default=None, type='str'),
query_type=dict(default='filter', choices=['filter', 'search'], type='str'),
),
#supports_check_mode=True
)
zapi = ZabbixAPI(ZabbixConnection(module.params['zbx_server'],
module.params['zbx_user'],
module.params['zbx_password'],
module.params['zbx_debug']))
#Set the instance and the template for the rest of the calls
zbx_class_name = 'trigger'
idname = "triggerid"
state = module.params['state']
tname = module.params['name']
templateid = None
if module.params['template_name']:
templateid, _ = get_template_id(zapi, module.params['template_name'])
content = zapi.get_content(zbx_class_name,
'get',
{module.params['query_type']: {'description': tname},
'expandExpression': True,
'selectDependencies': 'triggerid',
'templateids': templateid,
'group': module.params['hostgroup_name'],
})
# Get
if state == 'list':
module.exit_json(changed=False, results=content['result'], state="list")
# Delete
if state == 'absent':
if not exists(content):
module.exit_json(changed=False, state="absent")
content = zapi.get_content(zbx_class_name, 'delete', [content['result'][0][idname]])
module.exit_json(changed=True, results=content['result'], state="absent")
# Create and Update
if state == 'present':
params = {'description': tname,
'comments': module.params['description'],
'expression': module.params['expression'],
'dependencies': get_deps(zapi, module.params['dependencies']),
'priority': get_priority(module.params['priority']),
'url': module.params['url'],
'status': get_trigger_status(module.params['status']),
}
# Remove any None valued params
_ = [params.pop(key, None) for key in params.keys() if params[key] is None]
#******#
# CREATE
#******#
if not exists(content):
# if we didn't find it, create it
content = zapi.get_content(zbx_class_name, 'create', params)
if content.has_key('error'):
module.exit_json(failed=True, changed=True, results=content['error'], state="present")
module.exit_json(changed=True, results=content['result'], state='present')
########
# UPDATE
########
differences = {}
zab_results = content['result'][0]
for key, value in params.items():
if zab_results[key] != value and zab_results[key] != str(value):
differences[key] = value
if not differences:
module.exit_json(changed=False, results=zab_results, state="present")
# We have differences and need to update
differences[idname] = zab_results[idname]
content = zapi.get_content(zbx_class_name, 'update', differences)
module.exit_json(changed=True, results=content['result'], state="present")
module.exit_json(failed=True,
changed=False,
results='Unknown state passed. %s' % state,
state="unknown")
# pylint: disable=redefined-builtin, unused-wildcard-import, wildcard-import, locally-disabled
# import module snippets. This are required
from ansible.module_utils.basic import *
main()
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