[jira] [Commented] (AMBARI-21868) Implement host recovery - backend changes

["Hudson (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMBARI-21868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16159383#comment-16159383 ] 

Hudson commented on AMBARI-21868:
---------------------------------

FAILURE: Integrated in Jenkins build Ambari-branch-2.6 #185 (See [https://builds.apache.org/job/Ambari-branch-2.6/185/])
AMBARI-21868. Implement host recovery - backend changes. (Eugene (swagle: [http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=0a69ffb9c881e9c969937f59b43f050a2715802f])
* (edit) ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareEnableKerberosServerAction.java
* (edit) ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/CreatePrincipalsServerAction.java
* (edit) ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/AbstractPrepareKerberosServerAction.java
* (edit) ambari-server/src/main/java/org/apache/ambari/server/controller/AmbariManagementControllerImpl.java
* (edit) ambari-server/src/main/java/org/apache/ambari/server/controller/KerberosHelper.java
* (edit) ambari-server/src/main/java/org/apache/ambari/server/api/resources/ClusterResourceDefinition.java
* (edit) ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/CreateKeytabFilesServerAction.java
* (edit) ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/PreconfigureKerberosAction.java
* (edit) ambari-server/src/test/java/org/apache/ambari/server/agent/TestHeartbeatHandler.java
* (edit) ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareKerberosIdentitiesServerAction.java
* (edit) ambari-server/src/test/java/org/apache/ambari/server/serveraction/kerberos/AbstractPrepareKerberosServerActionTest.java
* (edit) ambari-server/src/test/java/org/apache/ambari/server/serveraction/kerberos/KerberosIdentityDataFileTest.java
* (edit) ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosIdentityDataFile.java
* (edit) ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/PrepareDisableKerberosServerAction.java
* (edit) ambari-server/src/test/java/org/apache/ambari/server/serveraction/kerberos/KerberosServerActionTest.java
* (edit) ambari-server/src/main/java/org/apache/ambari/server/controller/KerberosHelperImpl.java
* (edit) ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosIdentityDataFileWriter.java


> Implement host recovery - backend changes
> -----------------------------------------
>
>                 Key: AMBARI-21868
>                 URL: https://issues.apache.org/jira/browse/AMBARI-21868
>             Project: Ambari
>          Issue Type: Task
>          Components: ambari-server
>    Affects Versions: 2.6.0
>            Reporter: Dmytro Sen
>            Assignee: Eugene Chekanskiy
>            Priority: Blocker
>             Fix For: 2.6.0
>
>         Attachments: AMBARI-21868_2.patch, AMBARI-21868-branch-2.6.patch, AMBARI-21868.patch, AMBARI-21868.patch, AMBARI-21868-trunk.patch
>
>
> *Problem Statement*:
> Allow user to bring back a host/VM that is dead with the same hostname and allow an action to recover the state of the host to what it was before the incident
> *Solution*:
> - User gets the host/VM back with same hostname (different IP address is ok)
> - The UI state would be INSTALLED for all host components as soon as the host starts heart beating
> - User will initiate a Recover user action that will do the following (batch operation):
> -- Move the state of the components back to INIT (allow this state transition)
> {code}
> curl -H "X-Requested-By:ambari" -u admin:admin -i -X PUT -d {"RequestInfo":{"context":"Reset All Host Components","operation_level":{"level":"HOST","cluster_name":"c1","host_names":"c6401.ambari.apahe.org"},"query":"HostRoles/component_name.in(DATANODE,NODEMANAGER,METRICS_MONITOR)"},"Body":{"HostRoles":{"state":"INIT"}}} http://c6401.ambari.apache.org:8080/api/v1/clusters/c1/hosts/c6401.ambari.apache.org/host_components
> {code}
> -- KERBEROS only steps:
> --- Issue an INSTALL operation on KERBEROS_CLIENT hostcomponent
> --- Issue PUT request
> {code}
> PUT http://server:8080/api/v1/clusters/cl1?regenerate_keytabs=all&regenerate_hosts=recover_hostname1,recover_hostname2,...&ignore_config_updates=true
> {"Clusters":{"security_type":"KERBEROS"}}
> {code}
> -- Issue an INSTALL operation on all hostcomponents (Same call as above with state = "INSTALLED")



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