https://community.cloudera.com/t5/Support-Questions/how-to-join-worker-kafka-machine-to-ambari-cluster-after/m-p/218087#M179988 <P>Hi Michael<BR />Yes you can use Blueprints <BR />1 - Export blueprints via API call ( GET /api/v1/clusters/:clusterName?format=blueprint )</P><P>2- change the json document</P><P>3- Import again the new modified BluePrint json ( POST ... )</P><P>For more details about how to use blueprints, please <A href="https://cwiki.apache.org/confluence/display/AMBARI/Blueprints#Blueprints-SingleHostExample">check here</A> </P> Fri, 08 Dec 2017 02:29:15 GMT ahallam 2017-12-08T02:29:15Z https://community.cloudera.com/t5/Support-Questions/how-to-join-worker-kafka-machine-to-ambari-cluster-after/m-p/218086#M179987 <P>worker08 machine was deleted by mistake from ambari cluster ( by host action --&gt; delete host )</P><P>now we want to join this machine again to the ambari cluster</P><P>we cant use the option from the ambari ( <EM>add new host</EM> ) , because this option is for<STRONG> new </STRONG>machine and not for machine that already installed as in our case</P><P>* worker08 is already installed with (datanode , nodemanager , matrix monitor and all client components ) </P><P>is there any API command to do the join process on worker08?</P> Thu, 07 Dec 2017 15:09:47 GMT https://community.cloudera.com/t5/Support-Questions/how-to-join-worker-kafka-machine-to-ambari-cluster-after/m-p/218086#M179987 mike_bronson7 2017-12-07T15:09:47Z https://community.cloudera.com/t5/Support-Questions/how-to-join-worker-kafka-machine-to-ambari-cluster-after/m-p/218087#M179988 <P>Hi Michael<BR />Yes you can use Blueprints <BR />1 - Export blueprints via API call ( GET /api/v1/clusters/:clusterName?format=blueprint )</P><P>2- change the json document</P><P>3- Import again the new modified BluePrint json ( POST ... )</P><P>For more details about how to use blueprints, please <A href="https://cwiki.apache.org/confluence/display/AMBARI/Blueprints#Blueprints-SingleHostExample">check here</A> </P> Fri, 08 Dec 2017 02:29:15 GMT https://community.cloudera.com/t5/Support-Questions/how-to-join-worker-kafka-machine-to-ambari-cluster-after/m-p/218087#M179988 ahallam 2017-12-08T02:29:15Z