[ https://issues.apache.org/jira/browse/AMBARI-21868?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eugene Chekanskiy updated AMBARI-21868: --------------------------------------- Status: Open (was: Patch Available) > 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 > > > *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®enerate_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") -- This message was sent by Atlassian JIRA (v6.4.14#64029)