This is good to know. I think right now, my service would be added to an existing Ambari setup.
On Thu, Feb 11, 2016 at 1:38 PM, Bhuvnesh Chaudhary <[email protected]> wrote: > Just to add: > In case all the services are being installed together, in that case yes > RCO will help. > > Thanks, > Bhuvnesh Chaudhary > Email: bchau <[email protected]>[email protected] > Desk: +1-650-846-1696 | Mobile: +1-973-906-6976 > > On Thu, Feb 11, 2016 at 1:36 PM, Bhuvnesh Chaudhary <[email protected] > > wrote: > >> @Amanda, >> I believe currently, there is no such flag which you could set which >> allows to restart already installed services during install of service x. >> Technically, you can run APIs to stop and start other services from >> backend during install of service x but that might not be a good idea. >> It might be a good feature to include such dependencies and make it >> pluggable. >> Just curious: What changes after the restart of hbase and zookeeper which >> lets your service run ? >> >> But yes, let's hear from other folks as well if there is any such >> feature, i might not be aware. >> >> @Alejandro - Will RCO work if you are adding service X which depends on >> restart of already installed service say Y. If X service is being added, >> Ambari will schedule Install -> Start -> Service check only for Service X ? >> Correct me if wrong. >> >> >> >> >> Thanks, >> Bhuvnesh Chaudhary >> Email: bchau <[email protected]>[email protected] >> Desk: +1-650-846-1696 | Mobile: +1-973-906-6976 >> >> On Thu, Feb 11, 2016 at 1:25 PM, Alejandro Fernandez < >> [email protected]> wrote: >> >>> Take a look at role_command_order.json >>> >>> It is specific to the stack, and it inherits from earlier stacks. E.g., >>> ambari-server/src/main/resources/stacks/HDP/2.0.6/role_command_order.json >>> ambari-server/src/main/resources/stacks/HDP/2.1/role_command_order.json >>> ambari-server/src/main/resources/stacks/HDP/2.2/role_command_order.json >>> ambari-server/src/main/resources/stacks/HDP/2.3/role_command_order.json >>> >>> Thanks, >>> Alejandro >>> >>> From: Amanda Moran <[email protected]> >>> Reply-To: "[email protected]" <[email protected]> >>> Date: Thursday, February 11, 2016 at 1:19 PM >>> To: "[email protected]" <[email protected]> >>> Subject: Ambari Stacks: Start of service requires another service >>> restart >>> >>> Hi there All- >>> >>> I am currently working on adding a service via ambari stacks. >>> >>> My service requires another service (hbase and zookeeper) to be >>> restarted before my service will start. >>> >>> How can I do this? >>> >>> Note: Right now, my service installs fine but then fails the automatic >>> start since HBase has not been restarted. I then restart HBase and I am >>> able to start my service... I would like it so that my service doesn't >>> "fail" the first time :) >>> >>> Thanks a bunch! I looked all over for this answer.. and couldn't seem to >>> find. >>> -- >>> Thanks, >>> >>> Amanda Moran >>> >> >> > -- Thanks, Amanda Moran
