Great! I'll give this a shot. Thank you! On Tue, Nov 25, 2014 at 6:34 PM, Sumit Mohanty <[email protected]> wrote:
> https://issues.apache.org/jira/browse/AMBARI-4223 has the background. > > -Sumit > > On Tue, Nov 25, 2014 at 5:12 PM, Sumit Mohanty <[email protected]> > wrote: > >> There is another way to find out. >> >> The command-*.json file created while invoking the INSTALL command will >> have a property bag by the name of "clusterHostInfo". That has list of >> hosts for various component types. >> >> For example, one can get the list of rs_hosts using >> >> rs_hosts = default('/clusterHostInfo/hbase_rs_hosts', []) >> >> In your case, you can look for >> '/clusterHostInfo/<slave_component_name>_hosts' >> >> >> Sample of the relevant section from a command-*.json >> >> ... >> "clusterHostInfo": { >> "ganglia_monitor_hosts": [ >> "c6403.ambari.apache.org" >> ], >> "all_hosts": [ >> "c6403.ambari.apache.org" >> ], >> "namenode_host": [ >> "c6403.ambari.apache.org" >> ], >> "ambari_server_host": [ >> "c6403.ambari.apache.org" >> ], >> "zookeeper_hosts": [ >> "c6403.ambari.apache.org" >> ], >> ... >> >> On Tue, Nov 25, 2014 at 4:46 PM, Yusaku Sako <[email protected]> >> wrote: >> >>> Can someone help? >>> >>> Yusaku >>> >>> On Sat, Nov 22, 2014 at 4:48 PM, Brian de la Motte < >>> [email protected]> wrote: >>> >>>> Hi everyone, >>>> >>>> I'm trying to integrate a custom service into Ambari. The problem is >>>> the service's master during installation needs to know about the hosts that >>>> are to be the service's slaves. The only way I was able to find that info >>>> was by using the API. >>>> >>>> Is it a good idea to have the master's install script call the API to >>>> get that info or is there an easier way? I think it would work but the >>>> script would need to know the username and password for Ambari's API call. >>>> >>>> Is there a way to get the service's slave's hosts without the API or >>>> for a Python script to get the admin username and password from a config in >>>> order to call the API? >>>> >>>> The call I would possibly use is something like this: >>>> >>>> curl --user admin:admin >>>> http://127.0.0.1:8080/api/v1/clusters/abc/services/CUST_SERVICE/components/CUST_SERVICE_SLAVE?fields=host_components/HostRoles/host_name >>>> >>>> >>>> I could parse out the hostnames from this but how do I make this call >>>> without knowing what username and password to use. >>>> >>>> Any ideas or alternative methods? >>>> >>>> Thank you! >>>> >>>> Brian >>>> >>> >>> >>> CONFIDENTIALITY NOTICE >>> NOTICE: This message is intended for the use of the individual or entity >>> to which it is addressed and may contain information that is confidential, >>> privileged and exempt from disclosure under applicable law. If the reader >>> of this message is not the intended recipient, you are hereby notified that >>> any printing, copying, dissemination, distribution, disclosure or >>> forwarding of this communication is strictly prohibited. If you have >>> received this communication in error, please contact the sender immediately >>> and delete it from your system. Thank You. >> >> >> > > CONFIDENTIALITY NOTICE > NOTICE: This message is intended for the use of the individual or entity > to which it is addressed and may contain information that is confidential, > privileged and exempt from disclosure under applicable law. If the reader > of this message is not the intended recipient, you are hereby notified that > any printing, copying, dissemination, distribution, disclosure or > forwarding of this communication is strictly prohibited. If you have > received this communication in error, please contact the sender immediately > and delete it from your system. Thank You. >
