Hi! I add a master service as below:
<schemaVersion>2.0</schemaVersion> <services> <service> <name>YUM</name> <displayName>YUM</displayName> <comment>Yum Service</comment> <version>1.0.0</version> <components> <component> <name>YUM_MASTER</name> <displayName>Yum Master</displayName> <category>MASTER</category> <cardinality>1</cardinality> <commandScript> <script>scripts/master.py</script> <scriptType>PYTHON</scriptType> <timeout>600</timeout> </commandScript> </component> <component> <name>YUM_SLAVE</name> <displayName>Yum Slave</displayName> <category>SLAVE</category> <cardinality>1+</cardinality> <commandScript> <script>scripts/slave.py</script> <scriptType>PYTHON</scriptType> <timeout>600</timeout> </commandScript> </component> </components> <osSpecifics> <osSpecific> <osFamily>any</osFamily> </osSpecific> </osSpecifics> </service> </services> </metainfo> master.py: class Master(Script): def install(self, env): print 'Install Yum' def start(self, env): print 'Start Yum' def stop(self, env): print 'Stop Yum' def status(self, env): print 'Test Yum' if __name__ == "__main__": Master().execute() slave.py: class Slave(Script): def install(self, env): print 'Wait for Yum_Master install finish...' def start(self, env): print 'Wait for Yum_Master install finish...' def stop(self, env): print 'Wait for Yum_Master stop finish...' def status(self, env): print 'Wait for Yum_Master test finish...' if __name__ == "__main__": Slave().execute() I install it successfully, but when stop on the web UI, the master can not stop: Test Yum Test Yum Test Yum Test Yum Test Yum Test Yum Test Yum Test Yum Test Yum 2018-03-29 19:12:54,068 - Waiting for actual component stop It hang at 35%. I follow https://cwiki.apache.org/confluence/display/AMBARI/Defining+a+Custom+Service, did i miss something import? Best wishes
