[AMBARI-21594] MultiEverything : Add Servicegroup as a subresource of Cluster.

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: ambari-server
• Assignee: Swapan Shridhar
• Reporter: Swapan Shridhar
• Due: 28/Jul/17
• Created: 28/Jul/17 03:16
• Updated: 29/Aug/17 21:26
• Resolved: 02/Aug/17 08:32

Description

ServiceGroup (SG) : is defined as sub-resource of cluster. It would later be used to logically group a set of services (coming out of Management Pack selected).

Example of a Service groups can be a:

• “Core” Service Group containing HDFS and Zookeeper. This will be formed by default.
• “Streaming” Service Group containing Kafka, Storm, Nifi.
• “Data Science” Service Group containing Hive, Spark, Zeppelin.
• “EDW” Service Group containing Hive, Spark.

As part of this JIRA, following has been implemented:

• SG added as sub-resource of cluster.
• GET, POST and DELETE API for SG.

--------------------------------------------------------------------------------------------------------------------------------------

API calls and response:

1.
====
POST:
====

API: http://c6404.ambari.apache.org:8080/api/v1/clusters/c1/servicegroups
Body :

[
{
  "ServiceGroupInfo" : {
    "cluster_id": "2",
    "service_group_name": "CORE"
  }
},
{
  "ServiceGroupInfo" : {
    "cluster_id": "2",
    "service_group_name": "EDW"
  }
}
]

Response: 201 CREATED

{
  "resources" : [
    {
      "href" : "http://c6404.ambari.apache.org:8080/api/v1/clusters/c1/servicegroups/CORE",
      "ServiceGroupInfo" : {
        "cluster_id" : 2,
        "cluster_name" : "c1",
        "service_group_id" : 804,
        "service_group_name" : "CORE"
      }
    },
    {
      "href" : "http://c6404.ambari.apache.org:8080/api/v1/clusters/c1/servicegroups/EDW",
      "ServiceGroupInfo" : {
        "cluster_id" : 2,
        "cluster_name" : "c1",
        "service_group_id" : 803,
        "service_group_name" : "EDW"
      }
    }
  ]
}

2.
===
GET :
===

API: http://c6404.ambari.apache.org:8080/api/v1/clusters/c1/servicegroups/

Body:

[]

Response: 200 OK

{
  "href" : "http://c6404.ambari.apache.org:8080/api/v1/clusters/c1/servicegroups/",
  "items" : [
    {
      "href" : "http://c6404.ambari.apache.org:8080/api/v1/clusters/c1/servicegroups/CORE",
      "ServiceGroupInfo" : {
        "cluster_name" : "c1",
        "service_group_name" : "CORE"
      }
    },
    {
      "href" : "http://c6404.ambari.apache.org:8080/api/v1/clusters/c1/servicegroups/EDW",
      "ServiceGroupInfo" : {
        "cluster_name" : "c1",
        "service_group_name" : "EDW"
      }
    }
  ]
}

API: http://c6404.ambari.apache.org:8080/api/v1/clusters/c1/servicegroups/CORE

Body:

[]

Response: 200 OK

{
  "href" : "http://c6404.ambari.apache.org:8080/api/v1/clusters/c1/servicegroups/CORE",
  "ServiceGroupInfo" : {
    "cluster_id" : 2,
    "cluster_name" : "c1",
    "service_group_id" : 804,
    "service_group_name" : "CORE"
  }
}

3.
=======
DELETE:
=======

API: http://c6404.ambari.apache.org:8080/api/v1/clusters/c1/servicegroups/CORE

Body:

[]

Response: 200 OK

{
  "deleteResult" : [
    {
      "deleted" : {
        "key" : "cluster_name: c1, service_group_name: CORE"
      }
    }
  ]
}

Issue Links

• is depended upon by: AMBARI-21824 Make services as sub-resource of ServiceGroups and use Servicegroup while doing Creation, Update and retrieval of HostComponents and ServiceComponents.
• links to: Reviewboard