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#!/usr/bin/env python
'''
Ansible module for zabbix itservices
'''
# vim: expandtab:tabstop=4:shiftwidth=4
#
# Zabbix itservice 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.monitoring.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_parent(dependencies):
'''Put dependencies into the proper update format'''
rval = None
for dep in dependencies:
if dep['relationship'] == 'parent':
return dep
return rval
def format_dependencies(dependencies):
'''Put dependencies into the proper update format'''
rval = []
for dep in dependencies:
rval.append({'dependsOnServiceid': dep['serviceid'],
'soft': get_dependency_type(dep['dep_type']),
})
return rval
def get_dependency_type(dep_type):
'''Determine the dependency type'''
rval = 0
if 'soft' == dep_type:
rval = 1
return rval
def get_service_id_by_name(zapi, dependencies):
'''Fetch the service id for an itservice'''
deps = []
for dep in dependencies:
if dep['name'] == 'root':
deps.append(dep)
continue
content = zapi.get_content('service',
'get',
{'filter': {'name': dep['name']},
'selectDependencies': 'extend',
})
if content.has_key('result') and content['result']:
dep['serviceid'] = content['result'][0]['serviceid']
deps.append(dep)
return deps
def add_dependencies(zapi, service_name, dependencies):
'''Fetch the service id for an itservice
Add a dependency on the parent for this current service item.
'''
results = get_service_id_by_name(zapi, [{'name': service_name}])
content = {}
for dep in dependencies:
content = zapi.get_content('service',
'adddependencies',
{'serviceid': results[0]['serviceid'],
'dependsOnServiceid': dep['serviceid'],
'soft': get_dependency_type(dep['dep_type']),
})
if content.has_key('result') and content['result']:
continue
else:
break
return content
def get_show_sla(inc_sla):
''' Determine the showsla paramter
'''
rval = 1
if 'do not cacluate' in inc_sla:
rval = 0
return rval
def get_algorithm(inc_algorithm_str):
'''
Determine which type algorithm
'''
rval = 0
if 'at least one' in inc_algorithm_str:
rval = 1
elif 'all' in inc_algorithm_str:
rval = 2
return rval
# The branches are needed for CRUD and error handling
# pylint: disable=too-many-branches
def main():
'''
ansible zabbix module for zbx_itservice
'''
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'),
name=dict(default=None, type='str'),
algorithm=dict(default='do not calculate', choices=['do not calculate', 'at least one', 'all'], type='str'),
show_sla=dict(default='calculate', choices=['do not calculate', 'calculate'], type='str'),
good_sla=dict(default='99.9', type='float'),
sort_order=dict(default=1, type='int'),
state=dict(default='present', type='str'),
trigger_id=dict(default=None, type='int'),
dependencies=dict(default=[], type='list'),
dep_type=dict(default='hard', choices=['hard', 'soft'], 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 = 'service'
state = module.params['state']
content = zapi.get_content(zbx_class_name,
'get',
{'filter': {'name': module.params['name']},
'selectDependencies': 'extend',
})
#******#
# 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]['itemid']])
module.exit_json(changed=True, results=content['result'], state="absent")
# Create and Update
if state == 'present':
dependencies = get_service_id_by_name(zapi, module.params['dependencies'])
params = {'name': module.params['name'],
'algorithm': get_algorithm(module.params['algorithm']),
'showsla': get_show_sla(module.params['show_sla']),
'goodsla': module.params['good_sla'],
'sortorder': module.params['sort_order'],
'triggerid': module.params['trigger_id']
}
# Remove any None valued params
_ = [params.pop(key, None) for key in params.keys() if params[key] is None]
#******#
# CREATE
#******#
if not exists(content):
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")
content = add_dependencies(zapi, module.params['name'], dependencies)
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
########
params['dependencies'] = dependencies
differences = {}
zab_results = content['result'][0]
for key, value in params.items():
if key == 'goodsla':
if float(value) != float(zab_results[key]):
differences[key] = value
elif key == 'dependencies':
zab_dep_ids = [item['serviceid'] for item in zab_results[key]]
user_dep_ids = [item['serviceid'] for item in dependencies]
if set(zab_dep_ids) != set(user_dep_ids):
differences[key] = format_dependencies(dependencies)
elif 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")
differences['serviceid'] = zab_results['serviceid']
content = zapi.get_content(zbx_class_name, 'update', differences)
if content.has_key('error'):
module.exit_json(failed=True, changed=False, results=content['error'], state="present")
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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