def get_host(self, zabbix_id, log=None):
"""Return zabbix host according to vm_uuid or node_uuid (zabbix_id)"""
log = log or self.log
try:
res = self.zapi.host.get({
'filter': {
'host': zabbix_id
},
'output':
'extend',
'selectInterfaces':
'extend',
'selectMacros':
'extend',
'selectGroups':
'extend',
'selectParentTemplates': ['templateid', 'hostid'],
})
except ZabbixAPIException as e:
log(ERROR, 'Zabbix API Error in get_host(%s): %s', zabbix_id, e)
raise e
try:
return parse_zabbix_result(res)
except RemoteObjectDoesNotExist:
return {}
def _create_service(self, name, parentid, algorithm=PROBLEM_ONE, sla=99.0, sortorder=0, triggerid=None):
"""Create Zabbix IT Service"""
params = {
'name': name,
'parentid': parentid,
'algorithm': algorithm,
'sortorder': sortorder,
}
if sla:
params['showsla'] = self.YES
params['goodsla'] = sla
else:
params['showsla'] = self.NO
if triggerid:
params['triggerid'] = triggerid
try:
res = self.zapi.service.create(params)
except ZabbixAPIException as e:
logger.exception(e)
raise InternalMonitoringError(text_type(e))
return parse_zabbix_result(res, 'serviceids', from_get_request=False)
def _create_host(self, obj, interface, groups=(), templates=(), macros=None, status=HOST_MONITORED,
proxy_id=NO_PROXY, log=None):
"""Create new Zabbix host from model object. Return hostid of the created host or False if an error occurred"""
log = log or self.log
params = {
'host': self.host_id(obj),
'name': self.host_name(obj),
'status': status,
'interfaces': [interface],
'groups': self._gen_host_groups(groups),
'templates': self._gen_host_templates(templates),
'proxy_hostid': proxy_id,
}
if macros is not None:
params['macros'] = self._gen_host_macros(macros)
try:
res = self.zapi.host.create(params)
except ZabbixAPIException as e:
# noinspection PyProtectedMember
log(ERROR, 'Zabbix API Error in create_host(%s %s): %s', obj._meta.verbose_name_raw, obj, e)
return False
return parse_zabbix_result(res, 'hostids', from_get_request=False)
def _update_service(self, serviceid, **params):
"""Update Zabbix IT Service"""
params['serviceid'] = serviceid
try:
res = self.zapi.service.update(params)
except ZabbixAPIException as e:
logger.exception(e)
raise InternalMonitoringError(text_type(e))
return parse_zabbix_result(res, 'serviceids', from_get_request=False)
def delete_host(self, hostid, log=None):
"""Delete host from Zabbix"""
log = log or self.log
try:
res = self.zapi.host.delete([hostid])
except ZabbixAPIException as e:
log(ERROR, 'Zabbix API Error in delete_host(%s): %s', hostid, e)
return False
return parse_zabbix_result(res, 'hostids', from_get_request=False)
def update_host(self, hostid, log=None, **params):
"""Update parameters of one Zabbix host identified by hostid. Return hostid of updated host or False/None"""
log = log or self.log
params['hostid'] = hostid
try:
res = self.zapi.host.update(params)
except ZabbixAPIException as e:
log(ERROR, 'Zabbix API Error in update_host(%s): %s', hostid, e)
return False
return parse_zabbix_result(res, 'hostids', from_get_request=False)
def delete_node_service(self, zabbix_name):
"""Delete Zabbix IT Service for a Compute node.
This operation is performed along with node removal from Zabbix, therefore it should fail silently"""
serviceid = self._zabbix_get_serviceid(zabbix_name)
child_serviceids = self._zabbix_get_children_serviceids(serviceid)
# First delete all children
for i in child_serviceids:
try:
self.zapi.service.delete([i])
except ZabbixAPIException as e:
logger.exception(e)
# Finally delete the node IT service
try:
res = self.zapi.service.delete([serviceid])
except ZabbixAPIException as e:
logger.exception(e)
raise InternalMonitoringError(e)
return parse_zabbix_result(res, 'serviceids', from_get_request=False)
def _zabbix_result(result, key):
"""Parse zabbix result"""
return parse_zabbix_result(result, key)
def parse_zabbix_create_result(*args, **kwargs):
kwargs['from_get_request'] = False
return parse_zabbix_result(*args, **kwargs)
def parse_zabbix_get_result(*args, **kwargs):
kwargs['from_get_request'] = True
return parse_zabbix_result(*args, **kwargs)