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https://issues.apache.org/jira/browse/AMBARI-14043?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Myroslav Papirkovskyy resolved AMBARI-14043.
--------------------------------------------
Resolution: Fixed
Pushed to trunk and branch-2.1
> BE: Disallow to add the same host to different CG of the same service
> ---------------------------------------------------------------------
>
> Key: AMBARI-14043
> URL: https://issues.apache.org/jira/browse/AMBARI-14043
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.1.2
> Reporter: Myroslav Papirkovskyy
> Assignee: Myroslav Papirkovskyy
> Fix For: 2.1.3
>
>
> {noformat}
> {
> "href" :
> "http://c6401.ambari.apache.org:8080/api/v1/clusters/c/config_groups?ConfigGroup/tag=ZOOKEEPER&fields=*&_=1448282987731";,
> "items" : [
> {
> "href" :
> "http://c6401.ambari.apache.org:8080/api/v1/clusters/c/config_groups/53";,
> "ConfigGroup" : {
> "cluster_name" : "c",
> "description" : "",
> "desired_configs" : [ ],
> "group_name" : "2",
> "hosts" : [
> {
> "href" :
> "http://c6401.ambari.apache.org:8080/api/v1/clusters/c/hosts/c6402.ambari.apache.org";,
> "host_name" : "c6402.ambari.apache.org"
> }
> ],
> "id" : 53,
> "tag" : "ZOOKEEPER"
> }
> },
> {
> "href" :
> "http://c6401.ambari.apache.org:8080/api/v1/clusters/c/config_groups/54";,
> "ConfigGroup" : {
> "cluster_name" : "c",
> "description" : "",
> "desired_configs" : [ ],
> "group_name" : "1",
> "hosts" : [
> {
> "href" :
> "http://c6401.ambari.apache.org:8080/api/v1/clusters/c/hosts/c6401.ambari.apache.org";,
> "host_name" : "c6401.ambari.apache.org"
> },
> {
> "href" :
> "http://c6401.ambari.apache.org:8080/api/v1/clusters/c/hosts/c6402.ambari.apache.org";,
> "host_name" : "c6402.ambari.apache.org"
> }
> ],
> "id" : 54,
> "tag" : "ZOOKEEPER"
> }
> }
> ]
> }
> {noformat}
> As you can see, we have 2 config groups for ZooKeeper and both have
> c6402.ambari.apache.org as a host assigned to goup. We should disallow user
> to assign one host to more than one group of one service. Validation should
> be provided both on UI and BE side.
> STR:
> 1. Create two config grups (a and b) for some service and assign one host for
> each group.
> 2. Go to host details -> configs of some of host used in step 1.
> 3. Change group for this host (a -> b or b -> a).
> As a result host will be added to new group, but is not deleted from old one.
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