[jira] [Created] (AMBARI-14045) FE: Disallow to add the same host to different CG of the same service

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

Aleksandr Kovalenko created AMBARI-14045:
--------------------------------------------

             Summary: FE: Disallow to add the same host to different CG of the same service
                 Key: AMBARI-14045
                 URL: https://issues.apache.org/jira/browse/AMBARI-14045
             Project: Ambari
          Issue Type: Bug
          Components: ambari-web
    Affects Versions: 2.1.3
            Reporter: Aleksandr Kovalenko
            Assignee: Aleksandr Kovalenko
             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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