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#!/usr/bin/env python
'''
Zabbix host ansible module
'''
# vim: expandtab:tabstop=4:shiftwidth=4
#
# 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_group_ids(zapi, hostgroup_names):
'''
get hostgroups
'''
# Fetch groups by name
group_ids = []
for hgr in hostgroup_names:
content = zapi.get_content('hostgroup', 'get', {'search': {'name': hgr}})
if content.has_key('result'):
group_ids.append({'groupid': content['result'][0]['groupid']})
return group_ids
def get_template_ids(zapi, template_names):
'''
get related templates
'''
template_ids = []
# Fetch templates by name
for template_name in template_names:
content = zapi.get_content('template', 'get', {'search': {'host': template_name}})
if content.has_key('result'):
template_ids.append({'templateid': content['result'][0]['templateid']})
return template_ids
def interfaces_equal(zbx_interfaces, user_interfaces):
'''
compare interfaces from zabbix and interfaces from user
'''
for u_int in user_interfaces:
for z_int in zbx_interfaces:
for u_key, u_val in u_int.items():
if str(z_int[u_key]) != str(u_val):
return False
return True
def main():
'''
Ansible module for zabbix host
'''
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'),
hostgroup_names=dict(default=[], type='list'),
template_names=dict(default=[], type='list'),
state=dict(default='present', type='str'),
interfaces=dict(default=None, type='list'),
),
#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 = 'host'
idname = "hostid"
hname = module.params['name']
state = module.params['state']
# selectInterfaces doesn't appear to be working but is needed.
content = zapi.get_content(zbx_class_name,
'get',
{'search': {'host': hname},
'selectGroups': 'groupid',
'selectParentTemplates': 'templateid',
'selectInterfaces': 'interfaceid',
})
if state == 'list':
module.exit_json(changed=False, results=content['result'], state="list")
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")
if state == 'present':
ifs = module.params['interfaces'] or [{'type': 1, # interface type, 1 = agent
'main': 1, # default interface? 1 = true
'useip': 1, # default interface? 1 = true
'ip': '127.0.0.1', # default interface? 1 = true
'dns': '', # dns for host
'port': '10050', # port for interface? 10050
}]
hostgroup_names = list(set(module.params['hostgroup_names']))
params = {'host': hname,
'groups': get_group_ids(zapi, hostgroup_names),
'templates': get_template_ids(zapi, module.params['template_names']),
'interfaces': ifs,
}
if not exists(content):
# if we didn't find it, create it
content = zapi.get_content(zbx_class_name, 'create', params)
module.exit_json(changed=True, results=content['result'], state='present')
# already exists, we need to update it
# let's compare properties
differences = {}
zab_results = content['result'][0]
for key, value in params.items():
if key == 'templates' and zab_results.has_key('parentTemplates'):
if zab_results['parentTemplates'] != value:
differences[key] = value
elif key == "interfaces":
if not interfaces_equal(zab_results[key], value):
differences[key] = value
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")
# 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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