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+#!/usr/bin/env python
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+'''
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+Zabbix discovery rule ansible module
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+'''
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+# vim: expandtab:tabstop=4:shiftwidth=4
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+#
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+# Copyright 2015 Red Hat Inc.
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+#
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+# Licensed under the Apache License, Version 2.0 (the "License");
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+# you may not use this file except in compliance with the License.
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+# You may obtain a copy of the License at
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+#
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+# http://www.apache.org/licenses/LICENSE-2.0
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+#
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+# Unless required by applicable law or agreed to in writing, software
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+# distributed under the License is distributed on an "AS IS" BASIS,
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+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+# See the License for the specific language governing permissions and
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+# limitations under the License.
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+#
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+
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+# This is in place because each module looks similar to each other.
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+# These need duplicate code as their behavior is very similar
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+# but different for each zabbix class.
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+# pylint: disable=duplicate-code
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+
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+# pylint: disable=import-error
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+from openshift_tools.monitoring.zbxapi import ZabbixAPI, ZabbixConnection
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+
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+def exists(content, key='result'):
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+ ''' Check if key exists in content or the size of content[key] > 0
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+ '''
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+ if not content.has_key(key):
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+ return False
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+
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+ if not content[key]:
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+ return False
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+
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+ return True
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+
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+def get_rule_id(zapi, discoveryrule_name):
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+ '''get a discoveryrule by name
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+ '''
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+ content = zapi.get_content('discoveryrule',
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+ 'get',
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+ {'search': {'name': discoveryrule_name},
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+ 'output': 'extend',
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+ })
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+ if not content['result']:
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+ return None
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+ return content['result'][0]['itemid']
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+
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+def get_template(zapi, template_name):
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+ '''get a template by name
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+ '''
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+ content = zapi.get_content('template',
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+ 'get',
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+ {'search': {'host': template_name},
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+ 'output': 'extend',
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+ 'selectInterfaces': 'interfaceid',
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+ })
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+ if not content['result']:
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+ return None
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+ return content['result'][0]
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+
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+def get_type(ztype):
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+ '''
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+ Determine which type of discoverrule this is
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+ '''
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+ _types = {'agent': 0,
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+ 'SNMPv1': 1,
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+ 'trapper': 2,
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+ 'simple': 3,
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+ 'SNMPv2': 4,
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+ 'internal': 5,
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+ 'SNMPv3': 6,
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+ 'active': 7,
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+ 'aggregate': 8,
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+ 'external': 10,
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+ 'database monitor': 11,
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+ 'ipmi': 12,
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+ 'ssh': 13,
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+ 'telnet': 14,
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+ 'calculated': 15,
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+ 'JMX': 16,
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+ }
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+
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+ for typ in _types.keys():
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+ if ztype in typ or ztype == typ:
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+ _vtype = _types[typ]
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+ break
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+ else:
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+ _vtype = 2
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+
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+ return _vtype
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+
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+def get_value_type(value_type):
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+ '''
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+ Possible values:
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+ 0 - numeric float;
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+ 1 - character;
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+ 2 - log;
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+ 3 - numeric unsigned;
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+ 4 - text
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+ '''
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+ vtype = 0
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+ if 'int' in value_type:
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+ vtype = 3
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+ elif 'char' in value_type:
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+ vtype = 1
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+ elif 'str' in value_type:
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+ vtype = 4
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+
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+ return vtype
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+
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+def get_status(status):
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+ ''' Determine status
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+ '''
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+ _status = 0
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+ if status == 'disabled':
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+ _status = 1
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+ elif status == 'unsupported':
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+ _status = 3
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+
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+ return _status
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+
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+def get_app_ids(zapi, application_names):
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+ ''' get application ids from names
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+ '''
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+ app_ids = []
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+ for app_name in application_names:
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+ content = zapi.get_content('application', 'get', {'search': {'name': app_name}})
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+ if content.has_key('result'):
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+ app_ids.append(content['result'][0]['applicationid'])
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+ return app_ids
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+
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+def main():
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+ '''
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+ Ansible module for zabbix discovery rules
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+ '''
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+
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+ module = AnsibleModule(
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+ argument_spec=dict(
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+ server=dict(default='https://localhost/zabbix/api_jsonrpc.php', type='str'),
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+ user=dict(default=os.environ['ZABBIX_USER'], type='str'),
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+ password=dict(default=os.environ['ZABBIX_PASSWORD'], type='str'),
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+ name=dict(default=None, type='str'),
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+ key=dict(default=None, type='str'),
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+ interfaceid=dict(default=None, type='int'),
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+ ztype=dict(default='trapper', type='str'),
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+ value_type=dict(default='float', type='str'),
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+ delay=dict(default=60, type='int'),
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+ lifetime=dict(default=30, type='int'),
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+ template_name=dict(default=[], type='list'),
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+ debug=dict(default=False, type='bool'),
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+ state=dict(default='present', type='str'),
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+ status=dict(default='enabled', type='str'),
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+ discoveryrule_name=dict(default=None, type='str'),
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+ applications=dict(default=[], type='list'),
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+ ),
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+ #supports_check_mode=True
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+ )
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+
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+ user = module.params['user']
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+ passwd = module.params['password']
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+
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+ zapi = ZabbixAPI(ZabbixConnection(module.params['server'], user, passwd, module.params['debug']))
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+
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+ #Set the instance and the template for the rest of the calls
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+ zbx_class_name = 'itemprototype'
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+ idname = "itemid"
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+ dname = module.params['name']
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+ state = module.params['state']
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+
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+ # selectInterfaces doesn't appear to be working but is needed.
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+ content = zapi.get_content(zbx_class_name,
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+ 'get',
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+ {'search': {'name': dname},
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+ 'selectApplications': 'applicationid',
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+ 'selectDiscoveryRule': 'itemid',
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+ #'selectDhosts': 'dhostid',
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+ })
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+ if state == 'list':
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+ module.exit_json(changed=False, results=content['result'], state="list")
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+
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+ if state == 'absent':
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+ if not exists(content):
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+ module.exit_json(changed=False, state="absent")
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+
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+ content = zapi.get_content(zbx_class_name, 'delete', [content['result'][0][idname]])
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+ module.exit_json(changed=True, results=content['result'], state="absent")
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+
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+ if state == 'present':
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+ template = get_template(zapi, module.params['template_name'])
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+ params = {'name': dname,
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+ 'key_': module.params['key'],
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+ 'hostid': template['templateid'],
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+ 'interfaceid': module.params['interfaceid'],
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+ 'ruleid': get_rule_id(zapi, module.params['discoveryrule_name']),
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+ 'type': get_type(module.params['ztype']),
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+ 'value_type': get_value_type(module.params['value_type']),
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+ 'applications': get_app_ids(zapi, module.params['applications']),
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+ }
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+ if params['type'] in [2, 5, 7, 8, 11, 15]:
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+ params.pop('interfaceid')
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+
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+ if not exists(content):
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+ # if we didn't find it, create it
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+ content = zapi.get_content(zbx_class_name, 'create', params)
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+ module.exit_json(changed=True, results=content['result'], state='present')
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+ # already exists, we need to update it
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+ # let's compare properties
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+ differences = {}
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+ zab_results = content['result'][0]
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+ for key, value in params.items():
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+
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+ if key == 'ruleid':
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+ if value != zab_results['discoveryRule']['itemid']:
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+ differences[key] = value
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+
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+ elif zab_results[key] != value and zab_results[key] != str(value):
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+ differences[key] = value
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+
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+ if not differences:
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+ module.exit_json(changed=False, results=zab_results, state="present")
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+
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+ # We have differences and need to update
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+ differences[idname] = zab_results[idname]
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+ content = zapi.get_content(zbx_class_name, 'update', differences)
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+ module.exit_json(changed=True, results=content['result'], state="present")
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+
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+ module.exit_json(failed=True,
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+ changed=False,
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+ results='Unknown state passed. %s' % state,
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+ state="unknown")
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+
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+# pylint: disable=redefined-builtin, unused-wildcard-import, wildcard-import, locally-disabled
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+# import module snippets. This are required
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+from ansible.module_utils.basic import *
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+
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+main()
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