def stop_management_service(api_client, api_host):
api_instance = cm_client.MgmtServiceResourceApi(api_client)
try:
# Stop the Cloudera Management Services.
print(f'Stopping Cloudera Management Service on {api_host}', end='')
api_response = api_instance.stop_command()
while True:
print('.', end='', flush=True)
time.sleep(1)
api_response = api_instance.read_service(view='summary')
if api_response.service_state == 'STOPPED':
print('\nStopped.', flush=True)
break
except ApiException as e:
print(f'Exception while calling MgmtServiceResourceApi->stop_command/read_service: {e}')
# Configure Hosts with property needed by SMM
host_api = cm_client.AllHostsResourceApi(api_client)
message = 'updating CM Agent safety valve for SMM'
body = cm_client.ApiConfigList(
) # ApiConfigList | Configuration changes. (optional)
body.items = [
cm_client.ApiConfig(
name="host_agent_safety_valve",
value="kafka_broker_topic_partition_metrics_for_smm_enabled=true")
]
cmd = host_api.update_config(message=message, body=body)
# create MGMT/CMS
mgmt_api = cm_client.MgmtServiceResourceApi(api_client)
api_service = cm_client.ApiService()
api_service.roles = [
cm_client.ApiRole(type='SERVICEMONITOR'),
cm_client.ApiRole(type='HOSTMONITOR'),
cm_client.ApiRole(type='EVENTSERVER'),
cm_client.ApiRole(type='ALERTPUBLISHER')
]
mgmt_api.auto_assign_roles() # needed?
mgmt_api.auto_configure() # needed?
mgmt_api.setup_cms(body=api_service)
cmd = mgmt_api.start_command()
wait(cmd)
def mgmt_api(self):
if self._mgmt_api is None:
self._mgmt_api = cm_client.MgmtServiceResourceApi(self.api_client)
return self._mgmt_api
def setupCMS():
service_name = 'mgmt'
service_type = 'MGMT'.upper()
api_instance = cm_client.MgmtServiceResourceApi(api_client)
services_instance = cm_client.MgmtServiceResourceApi(api_client)
mgmt_role_instance = cm_client.MgmtRolesResourceApi(api_client)
rcg_instance = cm_client.MgmtRoleConfigGroupsResourceApi(api_client)
services_instance.setup_cms(
body=cm_client.ApiService(name=service_name,
type=service_type,
display_name='Cloudera Management Service'))
host_id = getattr(get_host_resource(hostname), 'host_id', None)
role_list = []
for role_type in [
"REPORTSMANAGER", "EVENTSERVER", "HOSTMONITOR", "ALERTPUBLISHER",
"SERVICEMONITOR"
]:
role_name = service_name + "-" + role_type + "-" + hashlib.md5(
hostname.encode('utf-8')).hexdigest()
role_list.append({
"name": role_name,
"type": role_type,
"hostRef": {
"hostId": host_id
}
})
body = cm_client.ApiRoleList(role_list)
api_response = mgmt_role_instance.create_roles(body=body)
api_response = rcg_instance.read_role_config_groups()
for rcg in api_response.items:
if rcg.role_type == 'REPORTSMANAGER':
rcg_instance.update_config(rcg.name,
message=None,
body=cm_client.ApiConfigList([{
'name':
'headlamp_database_host',
'value':
hostname
}, {
'name':
'headlamp_database_name',
'value':
'rman'
}, {
'name':
'headlamp_database_user',
'value':
'rman'
}, {
'name':
'headlamp_database_password',
'value':
'supersecret1'
}, {
'name':
'headlamp_database_type',
'value':
'postgresql'
}]))
services_instance.start_command()
