-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/63965/
-----------------------------------------------------------

Review request for Ambari, Jayush Luniya, Swapan Shridhar, and Vitalyi 
Brodetskyi.


Bugs: AMBARI-22487
    https://issues.apache.org/jira/browse/AMBARI-22487


Repository: ambari


Description
-------

Create new service config version
POST
api/v2/clusters/<cluster-name>/servicegroups/<service-group-name>/services/<service-name>/configurations/service_config_versions


Diffs
-----

  
ambari-server/src/main/java/org/apache/ambari/server/api/services/ConfigurationService.java
 79128a2374 
  
ambari-server/src/main/java/org/apache/ambari/server/api/services/ServiceConfigVersionService.java
 c6e320121f 
  
ambari-server/src/main/java/org/apache/ambari/server/controller/AmbariManagementController.java
 b5bc813e9c 
  
ambari-server/src/main/java/org/apache/ambari/server/controller/AmbariManagementControllerImpl.java
 875d9b6f9f 
  
ambari-server/src/main/java/org/apache/ambari/server/controller/ServiceConfigVersionRequest.java
 29a7a421cd 
  
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/ServiceConfigVersionResourceProvider.java
 cbc08ebdf4 


Diff: https://reviews.apache.org/r/63965/diff/1/


Testing
-------

mvn clean install -DskipTests=true -Dmaven.test.skip=true -X
[INFO] Reactor Summary:
[INFO]
[INFO] Ambari Main ........................................ SUCCESS [ 20.681 s]
[INFO] Apache Ambari Project POM .......................... SUCCESS [  0.047 s]
[INFO] Ambari Web ......................................... SUCCESS [ 59.888 s]
[INFO] Ambari Views ....................................... SUCCESS [  1.454 s]
[INFO] Ambari Admin View .................................. SUCCESS [  9.794 s]
[INFO] ambari-utility ..................................... SUCCESS [  4.461 s]
[INFO] ambari-metrics ..................................... SUCCESS [  1.585 s]
[INFO] Ambari Metrics Common .............................. SUCCESS [  5.107 s]
[INFO] Ambari Metrics Hadoop Sink ......................... SUCCESS [  3.697 s]
[INFO] Ambari Metrics Flume Sink .......................... SUCCESS [  3.057 s]
[INFO] Ambari Metrics Kafka Sink .......................... SUCCESS [  3.088 s]
[INFO] Ambari Metrics Storm Sink .......................... SUCCESS [  2.462 s]
[INFO] Ambari Metrics Storm Sink (Legacy) ................. SUCCESS [  2.196 s]
[INFO] Ambari Metrics Collector ........................... SUCCESS [ 20.644 s]
[INFO] Ambari Metrics Monitor ............................. SUCCESS [  2.597 s]
[INFO] Ambari Metrics Grafana ............................. SUCCESS [  5.799 s]
[INFO] Ambari Metrics Host Aggregator ..................... SUCCESS [  5.548 s]
[INFO] Ambari Metrics Assembly ............................ SUCCESS [01:48 min]
[INFO] Ambari Service Advisor ............................. SUCCESS [  0.614 s]
[INFO] Ambari Server ...................................... SUCCESS [03:49 min]
[INFO] Ambari Functional Tests ............................ SUCCESS [  0.494 s]
[INFO] Ambari Agent ....................................... SUCCESS [ 50.352 s]
[INFO] Ambari Client ...................................... SUCCESS [  0.100 s]
[INFO] Ambari Python Client ............................... SUCCESS [  0.896 s]
[INFO] Ambari Groovy Client ............................... SUCCESS [  1.600 s]
[INFO] Ambari Shell ....................................... SUCCESS [  0.101 s]
[INFO] Ambari Python Shell ................................ SUCCESS [  0.699 s]
[INFO] Ambari Groovy Shell ................................ SUCCESS [  0.756 s]
[INFO] ambari-logsearch ................................... SUCCESS [  3.196 s]
[INFO] Ambari Logsearch Appender .......................... SUCCESS [  0.303 s]
[INFO] Ambari Logsearch Config Api ........................ SUCCESS [  0.242 s]
[INFO] Ambari Logsearch Config Zookeeper .................. SUCCESS [  0.352 s]
[INFO] Ambari Logsearch Log Feeder ........................ SUCCESS [  4.504 s]
[INFO] Ambari Logsearch Web ............................... SUCCESS [01:10 min]
[INFO] Ambari Logsearch Server ............................ SUCCESS [  8.842 s]
[INFO] Ambari Logsearch Assembly .......................... SUCCESS [  0.206 s]
[INFO] Ambari Logsearch Integration Test .................. SUCCESS [  0.299 s]
[INFO] ambari-infra ....................................... SUCCESS [  0.198 s]
[INFO] Ambari Infra Solr Client ........................... SUCCESS [  2.149 s]
[INFO] Ambari Infra Solr Plugin ........................... SUCCESS [  0.445 s]
[INFO] Ambari Infra Manager ............................... SUCCESS [  8.802 s]
[INFO] Ambari Infra Solr Assembly ......................... SUCCESS [  0.214 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 10:47 min
[INFO] Finished at: 2017-11-20T13:48:32-08:00
[INFO] Final Memory: 411M/1854M
[INFO] ------------------------------------------------------------------------

Create a new service config version and corresponding configurations - EG : 
Initial configurations for HDFS
===========================================================================================================
POST 
http://c6401.ambari.apache.org:8080/api/v1/clusters/cl1/servicegroups/test-hdp/services/HDFS/configurations/service_config_versions
Request :
```json
{
        "ServiceConfigVersion": {
                "service_config_version_note": "Initial configurations for 
HDFS",
                "stack_id": "HDP-3.0.0"
        },
        "configurations": [{
                        "Config": {
                                "type": "core-site",
                                "tag": "version1",
                                "properties": {
                                        "hadoop.proxyuser.hdfs.groups": "*",
                                        "hadoop.proxyuser.root.groups": "*",
                                        "hadoop.proxyuser.hdfs.hosts": "*",
                                        "hadoop.proxyuser.root.hosts": 
"mradha-1.openstacklocal",
                                        "fs.defaultFS": 
"hdfs://mradha-1.openstacklocal:8020",
                                        "fs.trash.interval": "360",
                                        "net.topology.script.file.name": 
"/etc/hadoop/conf/topology_script.py"
                                },
                                "service_config_version_note": "Initial 
configurations for HDFS",
                                "properties_attributes": {
                                        "final": {
                                                "fs.defaultFS": "true"
                                        },
                                        "password": {},
                                        "user": {},
                                        "group": {},
                                        "text": {},
                                        "additional_user_property": {},
                                        "not_managed_hdfs_path": {},
                                        "value_from_property_file": {}
                                }
                        }
                },

                {
                        "Config": {
                                "type": "hadoop-env",
                                "tag": "version1",
                                "properties": {
                                        "content": "abdef",
                                        "dtnode_heapsize": "1024m",
                                        "nfsgateway_heapsize": "1024",
                                        "hdfs_user": "hdfs",
                                        "proxyuser_group": "users"
                                }
                        }
                },
                {
                        "Config": {
                                "type": "hadoop-metrics2.properties",
                                "tag": "version1",
                                "properties": {
                                        "content": "abcdde"
                                }
                        }
                },
                {
                        "Config": {
                                "type": "hadoop-policy",
                                "tag": "version1",
                                "properties": {
                                        
"security.admin.operations.protocol.acl": "hadoop",
                                        
"security.client.datanode.protocol.acl": "*",
                                        "security.client.protocol.acl": "*",
                                        "security.datanode.protocol.acl": "*",
                                        "security.inter.datanode.protocol.acl": 
"*",
                                        
"security.refresh.usertogroups.mappings.protocol.acl": "hadoop"
                                }
                        }
                },
                {
                        "Config": {
                                "type": "hdfs-log4j",
                                "tag": "version1",
                                "properties": {
                                        "content": "xyzedfg",
                                        "hadoop_log_max_backup_size": "256",
                                        "hadoop_log_number_of_backup_files": 
"10",
                                        "hadoop_security_log_max_backup_size": 
"256",
                                        
"hadoop_security_log_number_of_backup_files": "20"
                                }
                        }
                },

                {
                        "Config": {
                                "type": "hdfs-logsearch-conf",
                                "tag": "version1",
                                "properties": {
                                        "component_mappings": 
"NAMENODE:hdfs_namenode;DATANODE:hdfs_datanode;SECONDARY_NAMENODE:hdfs_secondarynamenode;JOURNALNODE:hdfs_journalnode;ZKFC:hdfs_zkfc;NFS_GATEWAY:hdfs_nfs3",
                                        "content": "some content info",
                                        "service_name": "HDFS"
                                }
                        }
                },
                {
                        "Config": {
                                "type": "hdfs-site",
                                "tag": "version1",
                                "properties": {
                                        "dfs.block.access.token.enable": "true",
                                        "dfs.blockreport.initialDelay": "120",
                                        "dfs.blocksize": "134217728",
                                        "nfs.exports.allowed.hosts": "* rw",
                                        "nfs.file.dump.dir": "/tmp/.hdfs-nfs"
                                },
                                "properties_attributes": {
                                        "final": {
                                                "dfs.datanode.data.dir": "true",
                                                
"dfs.datanode.failed.volumes.tolerated": "true",
                                                "dfs.namenode.http-address": 
"true",
                                                "dfs.namenode.name.dir": "true",
                                                "dfs.support.append": "true",
                                                "dfs.webhdfs.enabled": "true"
                                        },
                                        "password": {},
                                        "user": {},
                                        "group": {},
                                        "text": {},
                                        "additional_user_property": {},
                                        "not_managed_hdfs_path": {},
                                        "value_from_property_file": {}
                                }
                        }
                },
                {
                        "Config": {
                                "type": "ranger-hdfs-audit",
                                "tag": "version1",
                                "properties": {}
                        }
                },
                {
                        "Config": {
                                "type": "ranger-hdfs-plugin-properties",
                                "tag": "version1",
                                "properties": {}

                        }
                },

                {
                        "Config": {
                                "type": "ranger-hdfs-policymgr-ssl",
                                "tag": "version1",
                                "properties": {}

                        }
                },

                {
                        "Config": {
                                "type": "ranger-hdfs-security",
                                "tag": "version1",
                                "properties": {}
                        }
                },

                {
                        "Config": {
                                "type": "ssl-client",
                                "tag": "version1",
                                "properties": {
                                        "ssl.client.keystore.location": 
"/etc/security/clientKeys/keystore.jks",
                                        "ssl.client.keystore.password": 
"bigdata",
                                        "ssl.client.keystore.type": "jks",
                                        "ssl.client.truststore.location": 
"/etc/security/clientKeys/all.jks",
                                        "ssl.client.truststore.password": 
"bigdata",
                                        
"ssl.client.truststore.reload.interval": "10000",
                                        "ssl.client.truststore.type": "jks"
                                }
                        }
                },

                {
                        "Config": {
                                "type": "ssl-server",
                                "tag": "version1",
                                "properties": {
                                        "ssl.server.keystore.keypassword": 
"bigdata",
                                        "ssl.server.keystore.location": 
"/etc/security/serverKeys/keystore.jks",
                                        "ssl.server.keystore.password": 
"bigdata",
                                        "ssl.server.keystore.type": "jks",
                                        "ssl.server.truststore.location": 
"/etc/security/serverKeys/all.jks",
                                        "ssl.server.truststore.password": 
"bigdata",
                                        
"ssl.server.truststore.reload.interval": "10000",
                                        "ssl.server.truststore.type": "jks"
                                }
                        }

                }
        ]
}
```
Response :
```json
{
  "resources" : [
    {
      "href" : 
"http://c6401.ambari.apache.org:8080/api/v1/clusters/cl1/configurations/service_config_versions?service_name=HDFS&service_config_version=1";,
      "configurations" : [
        {
          "clusterName" : "cl1",
          "stackId" : {
            "stackName" : "HDP",
            "stackVersion" : "3.0.0",
            "stackId" : "HDP-3.0.0"
          },
          "type" : "core-site",
          "versionTag" : "version1",
          "version" : 1,
          "serviceId" : 2,
          "serviceGroupId" : 2,
          "serviceConfigVersions" : null,
          "configs" : {
            "fs.defaultFS" : "hdfs://mradha-1.openstacklocal:8020",
            "ha.failover-controller.active-standby-elector.zk.op.retries" : 
"120",
            "hadoop.security.authentication" : "simple",
            "ipc.server.tcpnodelay" : "true",
           },
          "configAttributes" : {
            "final" : {
              "fs.defaultFS" : "true"
            }
          },
          "propertiesTypes" : { }
        },
        {
          "clusterName" : "cl1",
          "stackId" : {
            "stackName" : "HDP",
            "stackVersion" : "3.0.0",
            "stackId" : "HDP-3.0.0"
          },
          "type" : "hadoop-env",
          "versionTag" : "version1",
          "version" : 1,
          "serviceId" : 2,
          "serviceGroupId" : 2,
          "serviceConfigVersions" : null,
          "configs" : {
            "proxyuser_group" : "users",
            "hadoop_heapsize" : "1024",
            "hadoop_root_logger" : "INFO,RFA",
            "dtnode_heapsize" : "1024m",
            "namenode_backup_dir" : "/tmp/upgrades",
            "namenode_opt_permsize" : "128m"
          },
          "configAttributes" : { },
          "propertiesTypes" : {
            "NOT_MANAGED_HDFS_PATH" : [
              "hdfs_tmp_dir"
            ],
            "USER" : [
              "hdfs_user"
            ],
            "KERBEROS_PRINCIPAL" : [
              "hdfs_principal_name"
            ],
            "GROUP" : [
              "proxyuser_group"
            ]
          }
        },
        {
          "clusterName" : "cl1",
          "stackId" : {
            "stackName" : "HDP",
            "stackVersion" : "3.0.0",
            "stackId" : "HDP-3.0.0"
          },
          "type" : "hadoop-metrics2.properties",
          "versionTag" : "version1",
          "version" : 1,
          "serviceId" : 2,
          "serviceGroupId" : 2,
          "serviceConfigVersions" : null,
          "configs" : {
            "content" : "some content info"
          },
          "configAttributes" : { },
          "propertiesTypes" : { }
        },
        {
          "clusterName" : "cl1",
          "stackId" : {
            "stackName" : "HDP",
            "stackVersion" : "3.0.0",
            "stackId" : "HDP-3.0.0"
          },
          "type" : "hadoop-policy",
          "versionTag" : "version1",
          "version" : 1,
          "serviceId" : 2,
          "serviceGroupId" : 2,
          "serviceConfigVersions" : null,
          "configs" : {
            "security.inter.datanode.protocol.acl" : "*",
            "security.refresh.usertogroups.mappings.protocol.acl" : "hadoop",
            "security.client.datanode.protocol.acl" : "*",
            "security.admin.operations.protocol.acl" : "hadoop",
            "security.datanode.protocol.acl" : "*",
            "security.inter.tracker.protocol.acl" : "*",
            "security.job.client.protocol.acl" : "*",
            "security.job.task.protocol.acl" : "*",
            "security.client.protocol.acl" : "*",
            "security.refresh.policy.protocol.acl" : "hadoop",
            "security.namenode.protocol.acl" : "*"
          },
          "configAttributes" : { },
          "propertiesTypes" : { }
        },
        {
          "clusterName" : "cl1",
          "stackId" : {
            "stackName" : "HDP",
            "stackVersion" : "3.0.0",
            "stackId" : "HDP-3.0.0"
          },
          "type" : "hdfs-log4j",
          "versionTag" : "version1",
          "version" : 1,
          "serviceId" : 2,
          "serviceGroupId" : 2,
          "serviceConfigVersions" : null,
          "configs" : {
            "hadoop_security_log_max_backup_size" : "256",
            "hadoop_security_log_number_of_backup_files" : "20",
            "hadoop_log_number_of_backup_files" : "10",
            "content" : "some content info",
            "hadoop_log_max_backup_size" : "256"
          },
          "configAttributes" : { },
          "propertiesTypes" : { }
        },
        {
          "clusterName" : "cl1",
          "stackId" : {
            "stackName" : "HDP",
            "stackVersion" : "3.0.0",
            "stackId" : "HDP-3.0.0"
          },
          "type" : "hdfs-logsearch-conf",
          "versionTag" : "version1",
          "version" : 1,
          "serviceId" : 2,
          "serviceGroupId" : 2,
          "serviceConfigVersions" : null,
          "configs" : {
            "component_mappings" : 
"NAMENODE:hdfs_namenode;DATANODE:hdfs_datanode;SECONDARY_NAMENODE:hdfs_secondarynamenode;JOURNALNODE:hdfs_journalnode;ZKFC:hdfs_zkfc;NFS_GATEWAY:hdfs_nfs3",
            "service_name" : "HDFS",
            "content" : "somecontentinfo"
          },
          "configAttributes" : { },
          "propertiesTypes" : { }
        },
        {
          "clusterName" : "cl1",
          "stackId" : {
            "stackName" : "HDP",
            "stackVersion" : "3.0.0",
            "stackId" : "HDP-3.0.0"
          },
          "type" : "hdfs-site",
          "versionTag" : "version1",
          "version" : 1,
          "serviceId" : 2,
          "serviceGroupId" : 2,
          "serviceConfigVersions" : null,
          "configs" : {
            "dfs.replication" : "3",
            "dfs.namenode.audit.log.async" : "true",
            "dfs.namenode.checkpoint.dir" : "/hadoop/hdfs/namesecondary",
            "dfs.namenode.avoid.read.stale.datanode" : "true",
            "dfs.namenode.checkpoint.period" : "21600",
            "dfs.datanode.http.address" : "0.0.0.0:50075"
          },
          "configAttributes" : {
            "final" : {
              "dfs.webhdfs.enabled" : "true",
              "dfs.support.append" : "true",
              "dfs.namenode.http-address" : "true",
              "dfs.namenode.name.dir" : "true",
              "dfs.datanode.failed.volumes.tolerated" : "true",
              "dfs.datanode.data.dir" : "true"
            }
          },
          "propertiesTypes" : { }
        },
        {
          "clusterName" : "cl1",
          "stackId" : {
            "stackName" : "HDP",
            "stackVersion" : "3.0.0",
            "stackId" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-audit",
          "versionTag" : "version1",
          "version" : 1,
          "serviceId" : 2,
          "serviceGroupId" : 2,
          "serviceConfigVersions" : null,
          "configs" : { },
          "configAttributes" : { },
          "propertiesTypes" : { }
        },
        {
          "clusterName" : "cl1",
          "stackId" : {
            "stackName" : "HDP",
            "stackVersion" : "3.0.0",
            "stackId" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-plugin-properties",
          "versionTag" : "version1",
          "version" : 1,
          "serviceId" : 2,
          "serviceGroupId" : 2,
          "serviceConfigVersions" : null,
          "configs" : { },
          "configAttributes" : { },
          "propertiesTypes" : {
            "PASSWORD" : [
              "REPOSITORY_CONFIG_PASSWORD"
            ]
          }
        },
        {
          "clusterName" : "cl1",
          "stackId" : {
            "stackName" : "HDP",
            "stackVersion" : "3.0.0",
            "stackId" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-policymgr-ssl",
          "versionTag" : "version1",
          "version" : 1,
          "serviceId" : 2,
          "serviceGroupId" : 2,
          "serviceConfigVersions" : null,
          "configs" : { },
          "configAttributes" : { },
          "propertiesTypes" : {
            "PASSWORD" : [
              "xasecure.policymgr.clientssl.truststore.password",
              "xasecure.policymgr.clientssl.keystore.password"
            ]
          }
        },
        {
          "clusterName" : "cl1",
          "stackId" : {
            "stackName" : "HDP",
            "stackVersion" : "3.0.0",
            "stackId" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-security",
          "versionTag" : "version1",
          "version" : 1,
          "serviceId" : 2,
          "serviceGroupId" : 2,
          "serviceConfigVersions" : null,
          "configs" : { },
          "configAttributes" : { },
          "propertiesTypes" : { }
        },
        {
          "clusterName" : "cl1",
          "stackId" : {
            "stackName" : "HDP",
            "stackVersion" : "3.0.0",
            "stackId" : "HDP-3.0.0"
          },
          "type" : "ssl-client",
          "versionTag" : "version1",
          "version" : 1,
          "serviceId" : 2,
          "serviceGroupId" : 2,
          "serviceConfigVersions" : null,
          "configs" : {
            "ssl.client.truststore.reload.interval" : "10000",
            "ssl.client.keystore.location" : 
"/etc/security/clientKeys/keystore.jks",
            "ssl.client.truststore.password" : 
"SECRET:ssl-client:1:ssl.client.truststore.password",
            "ssl.client.truststore.type" : "jks",
            "ssl.client.truststore.location" : 
"/etc/security/clientKeys/all.jks",
            "ssl.client.keystore.password" : 
"SECRET:ssl-client:1:ssl.client.keystore.password",
            "ssl.client.keystore.type" : "jks"
          },
          "configAttributes" : { },
          "propertiesTypes" : {
            "PASSWORD" : [
              "ssl.client.truststore.password",
              "ssl.client.keystore.password"
            ]
          }
        },
        {
          "clusterName" : "cl1",
          "stackId" : {
            "stackName" : "HDP",
            "stackVersion" : "3.0.0",
            "stackId" : "HDP-3.0.0"
          },
          "type" : "ssl-server",
          "versionTag" : "version1",
          "version" : 1,
          "serviceId" : 2,
          "serviceGroupId" : 2,
          "serviceConfigVersions" : null,
          "configs" : {
            "ssl.server.truststore.type" : "jks",
            "ssl.server.truststore.password" : 
"SECRET:ssl-server:1:ssl.server.truststore.password",
            "ssl.server.keystore.keypassword" : 
"SECRET:ssl-server:1:ssl.server.keystore.keypassword",
            "ssl.server.truststore.reload.interval" : "10000",
            "ssl.server.truststore.location" : 
"/etc/security/serverKeys/all.jks",
            "ssl.server.keystore.type" : "jks",
            "ssl.server.keystore.location" : 
"/etc/security/serverKeys/keystore.jks",
            "ssl.server.keystore.password" : 
"SECRET:ssl-server:1:ssl.server.keystore.password"
          },
          "configAttributes" : { },
          "propertiesTypes" : {
            "PASSWORD" : [
              "ssl.server.truststore.password",
              "ssl.server.keystore.keypassword",
              "ssl.server.keystore.password"
            ]
          }
        }
      ],
      "group_id" : -1,
      "group_name" : "Default",
      "service_config_version" : 1,
      "service_group_id" : 2,
      "service_group_name" : "test-hdp",
      "service_id" : 2,
      "service_name" : "HDFS",
      "ServiceConfigVersion" : {
        "service_config_version_note" : "Initial configurations for HDFS"
      }
    }
  ]
}
```
Change a particular config. EG: Change HDFS log4j maxnumber of backup files
============================================================================
POST 
http://c6401.ambari.apache.org:8080/api/v1/clusters/cl1/servicegroups/test-hdp/services/HDFS/configurations/service_config_versions
Request :
```json
 {
        "ServiceConfigVersion": {
                "service_config_version_note": "HDFS number of log backup files 
from 10 to 12",
                "stack_id": "HDP-3.0.0"
        },
        "configurations": [{
                        "Config": {
                                "type": "hdfs-log4j",
                                "tag": "version2",
                                "properties": {
                                        "content": "somecontent",
                                        "hadoop_log_max_backup_size": "256",
                                        "hadoop_log_number_of_backup_files": 
"12",
                                        "hadoop_security_log_max_backup_size": 
"256",
                                        
"hadoop_security_log_number_of_backup_files": "20"
                                }
                        }
                }
        ]
}
```

Revert back to an old config version. EG: Initial config version
==================================================================
POST 
http://c6401.ambari.apache.org:8080/api/v1/clusters/cl1/servicegroups/test-hdp/services/HDFS/configurations/service_config_versions
Request :
```json
{
"service_config_version": 1
}
```

Fetch all the service config versions for a service. EG: HDFS
==================================================================
GET 
http://c6401.ambari.apache.org:8080/api/v1/clusters/cl1/servicegroups/test-hdp/services/HDFS/configurations/service_config_versions
Response :
```json
{
  "href" : 
"http://c6401.ambari.apache.org:8080/api/v1/clusters/cl1/servicegroups/test-hdp/services/HDFS/configurations/service_config_versions";,
  "items" : [
    {
      "href" : 
"http://c6401.ambari.apache.org:8080/api/v1/clusters/cl1/configurations/service_config_versions?service_name=HDFS&service_config_version=1";,
      "cluster_name" : "cl1",
      "configurations" : [
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "core-site",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "fs.defaultFS" : "hdfs://mradha-1.openstacklocal:8020",
            "fs.trash.interval" : "360",
             "ipc.client.connection.maxidletime" : "30000",
            "ipc.client.idlethreshold" : "8000",
            "ipc.server.tcpnodelay" : "true",
            "mapreduce.jobtracker.webinterface.trusted" : "false",
            "net.topology.script.file.name" : 
"/etc/hadoop/conf/topology_script.py"
          },
          "properties_attributes" : {
            "final" : {
              "fs.defaultFS" : "true"
            }
          }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hadoop-env",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "content" : "some content",
            "dtnode_heapsize" : "1024m",
            "hadoop_heapsize" : "1024",
            "namenode_opt_maxnewsize" : "128m",
            "namenode_opt_maxpermsize" : "256m",
            "namenode_opt_newsize" : "128m",
            "namenode_opt_permsize" : "128m",
            "nfsgateway_heapsize" : "1024",
            "proxyuser_group" : "users"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hadoop-metrics2.properties",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "content" : "some content"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hadoop-policy",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "security.admin.operations.protocol.acl" : "hadoop",
            "security.client.datanode.protocol.acl" : "*",
             "security.namenode.protocol.acl" : "*",
            "security.refresh.policy.protocol.acl" : "hadoop",
            "security.refresh.usertogroups.mappings.protocol.acl" : "hadoop"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hdfs-log4j",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "content" : "some content",
            "hadoop_log_max_backup_size" : "256",
            "hadoop_log_number_of_backup_files" : "10",
            "hadoop_security_log_max_backup_size" : "256",
            "hadoop_security_log_number_of_backup_files" : "20"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hdfs-logsearch-conf",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "component_mappings" : 
"NAMENODE:hdfs_namenode;DATANODE:hdfs_datanode;SECONDARY_NAMENODE:hdfs_secondarynamenode;JOURNALNODE:hdfs_journalnode;ZKFC:hdfs_zkfc;NFS_GATEWAY:hdfs_nfs3",
            "content" : "some content",
            "service_name" : "HDFS"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hdfs-site",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "dfs.block.access.token.enable" : "true",
            "dfs.blockreport.initialDelay" : "120",
            "dfs.blocksize" : "134217728",
            "dfs.permissions.enabled" : "true",
            "dfs.permissions.superusergroup" : "hdfs",
            "dfs.replication" : "3",
              "nfs.file.dump.dir" : "/tmp/.hdfs-nfs"
          },
          "properties_attributes" : {
            "final" : {
              "dfs.webhdfs.enabled" : "true",
              "dfs.support.append" : "true",
              "dfs.namenode.http-address" : "true",
              "dfs.namenode.name.dir" : "true",
              "dfs.datanode.failed.volumes.tolerated" : "true",
              "dfs.datanode.data.dir" : "true"
            }
          }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-audit",
          "tag" : "version1",
          "version" : 1,
          "properties" : { },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-plugin-properties",
          "tag" : "version1",
          "version" : 1,
          "properties" : { },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-policymgr-ssl",
          "tag" : "version1",
          "version" : 1,
          "properties" : { },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-security",
          "tag" : "version1",
          "version" : 1,
          "properties" : { },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ssl-client",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "ssl.client.keystore.location" : 
"/etc/security/clientKeys/keystore.jks",
            "ssl.client.keystore.password" : 
"SECRET:ssl-client:1:ssl.client.keystore.password",
            "ssl.client.truststore.reload.interval" : "10000",
            "ssl.client.truststore.type" : "jks"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ssl-server",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "ssl.server.keystore.keypassword" : 
"SECRET:ssl-server:1:ssl.server.keystore.keypassword",
            "ssl.server.keystore.location" : 
"/etc/security/serverKeys/keystore.jks",
            "ssl.server.keystore.password" : 
"SECRET:ssl-server:1:ssl.server.keystore.password",
            "ssl.server.keystore.type" : "jks",
            "ssl.server.truststore.location" : 
"/etc/security/serverKeys/all.jks",
            "ssl.server.truststore.password" : 
"SECRET:ssl-server:1:ssl.server.truststore.password",
            "ssl.server.truststore.reload.interval" : "10000",
            "ssl.server.truststore.type" : "jks"
          },
          "properties_attributes" : { }
        }
      ],
      "createtime" : 1510956751144,
      "group_id" : -1,
      "group_name" : "Default",
      "hosts" : [ ],
      "is_cluster_compatible" : true,
      "is_current" : false,
      "service_config_version" : 1,
      "service_group_name" : "test-hdp",
      "service_name" : "HDFS",
      "user" : "admin",
      "ServiceConfigVersion" : {
        "service_config_version_note" : "Initial configurations for HDFS",
        "stack_id" : "HDP-3.0.0"
      }
    },
    {
      "href" : 
"http://c6401.ambari.apache.org:8080/api/v1/clusters/cl1/configurations/service_config_versions?service_name=HDFS&service_config_version=2";,
      "cluster_name" : "cl1",
      "configurations" : [
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "core-site",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "fs.defaultFS" : "hdfs://mradha-1.openstacklocal:8020",
            "fs.trash.interval" : "360",
            "ha.failover-controller.active-standby-elector.zk.op.retries" : 
"120",
             "ipc.server.tcpnodelay" : "true",
            "mapreduce.jobtracker.webinterface.trusted" : "false",
            "net.topology.script.file.name" : 
"/etc/hadoop/conf/topology_script.py"
          },
          "properties_attributes" : {
            "final" : {
              "fs.defaultFS" : "true"
            }
          }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hadoop-env",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "content" : "some content",
            "dtnode_heapsize" : "1024m",
            "hadoop_heapsize" : "1024",
            "hadoop_pid_dir_prefix" : "/var/run/hadoop",
            "namenode_opt_newsize" : "128m",
            "namenode_opt_permsize" : "128m",
            "nfsgateway_heapsize" : "1024",
            "proxyuser_group" : "users"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hadoop-metrics2.properties",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "content" : "some content"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hadoop-policy",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "security.admin.operations.protocol.acl" : "hadoop",
            "security.client.datanode.protocol.acl" : "*",
            "security.job.task.protocol.acl" : "*",
            "security.namenode.protocol.acl" : "*",
            "security.refresh.policy.protocol.acl" : "hadoop",
            "security.refresh.usertogroups.mappings.protocol.acl" : "hadoop"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hdfs-logsearch-conf",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "component_mappings" : 
"NAMENODE:hdfs_namenode;DATANODE:hdfs_datanode;SECONDARY_NAMENODE:hdfs_secondarynamenode;JOURNALNODE:hdfs_journalnode;ZKFC:hdfs_zkfc;NFS_GATEWAY:hdfs_nfs3",
            "content" : "some content",
            "service_name" : "HDFS"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hdfs-site",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "dfs.block.access.token.enable" : "true",
            "dfs.blockreport.initialDelay" : "120",
            "dfs.blocksize" : "134217728",
            "dfs.datanode.http.address" : "0.0.0.0:50075",
            "hadoop.caller.context.enabled" : "true",
            "nfs.exports.allowed.hosts" : "* rw",
            "nfs.file.dump.dir" : "/tmp/.hdfs-nfs"
          },
          "properties_attributes" : {
            "final" : {
              "dfs.webhdfs.enabled" : "true",
              "dfs.support.append" : "true",
              "dfs.namenode.http-address" : "true",
              "dfs.namenode.name.dir" : "true",
              "dfs.datanode.failed.volumes.tolerated" : "true",
              "dfs.datanode.data.dir" : "true"
            }
          }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-audit",
          "tag" : "version1",
          "version" : 1,
          "properties" : { },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-plugin-properties",
          "tag" : "version1",
          "version" : 1,
          "properties" : { },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-policymgr-ssl",
          "tag" : "version1",
          "version" : 1,
          "properties" : { },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-security",
          "tag" : "version1",
          "version" : 1,
          "properties" : { },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ssl-client",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "ssl.client.keystore.location" : 
"/etc/security/clientKeys/keystore.jks",
            "ssl.client.keystore.password" : 
"SECRET:ssl-client:1:ssl.client.keystore.password",
            "ssl.client.keystore.type" : "jks",
            "ssl.client.truststore.location" : 
"/etc/security/clientKeys/all.jks",
            "ssl.client.truststore.password" : 
"SECRET:ssl-client:1:ssl.client.truststore.password",
            "ssl.client.truststore.reload.interval" : "10000",
            "ssl.client.truststore.type" : "jks"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ssl-server",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "ssl.server.keystore.keypassword" : 
"SECRET:ssl-server:1:ssl.server.keystore.keypassword",
            "ssl.server.keystore.location" : 
"/etc/security/serverKeys/keystore.jks",
            "ssl.server.truststore.type" : "jks"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hdfs-log4j",
          "tag" : "version2",
          "version" : 2,
          "properties" : {
            "content" : "some content",
            "hadoop_log_max_backup_size" : "256",
            "hadoop_log_number_of_backup_files" : "12",
            "hadoop_security_log_max_backup_size" : "256",
            "hadoop_security_log_number_of_backup_files" : "20"
          },
          "properties_attributes" : { }
        }
      ],
      "createtime" : 1510958422471,
      "group_id" : -1,
      "group_name" : "Default",
      "hosts" : [ ],
      "is_cluster_compatible" : true,
      "is_current" : false,
      "service_config_version" : 2,
      "service_group_name" : "test-hdp",
      "service_name" : "HDFS",
      "user" : "admin",
      "ServiceConfigVersion" : {
        "service_config_version_note" : "HDFS number of log backup files from 
10 to 12",
        "stack_id" : "HDP-3.0.0"
      }
    },
    {
      "href" : 
"http://c6401.ambari.apache.org:8080/api/v1/clusters/cl1/configurations/service_config_versions?service_name=HDFS&service_config_version=3";,
      "cluster_name" : "cl1",
      "configurations" : [
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "core-site",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "fs.defaultFS" : "hdfs://mradha-1.openstacklocal:8020",
            "fs.trash.interval" : "360",
          },
          "properties_attributes" : {
            "final" : {
              "fs.defaultFS" : "true"
            }
          }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hadoop-env",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "content" : "some content",
            "dtnode_heapsize" : "1024m",
            "keyserver_host" : " ",
            "keyserver_port" : "",
            "namenode_backup_dir" : "/tmp/upgrades",
             "proxyuser_group" : "users"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hadoop-metrics2.properties",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "content" : "some content"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hadoop-policy",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "security.admin.operations.protocol.acl" : "hadoop",
            "security.job.client.protocol.acl" : "*",
            "security.job.task.protocol.acl" : "*",
            "security.namenode.protocol.acl" : "*",
            "security.refresh.policy.protocol.acl" : "hadoop",
            "security.refresh.usertogroups.mappings.protocol.acl" : "hadoop"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hdfs-log4j",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "content" : "some content",
            "hadoop_log_max_backup_size" : "256",
            "hadoop_log_number_of_backup_files" : "10",
            "hadoop_security_log_max_backup_size" : "256",
            "hadoop_security_log_number_of_backup_files" : "20"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hdfs-logsearch-conf",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "component_mappings" : 
"NAMENODE:hdfs_namenode;DATANODE:hdfs_datanode;SECONDARY_NAMENODE:hdfs_secondarynamenode;JOURNALNODE:hdfs_journalnode;ZKFC:hdfs_zkfc;NFS_GATEWAY:hdfs_nfs3",
            "content" : "soemcontent",
            "service_name" : "HDFS"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hdfs-site",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "dfs.block.access.token.enable" : "true",
            "dfs.blockreport.initialDelay" : "120",
            "dfs.blocksize" : "134217728",
            "nfs.exports.allowed.hosts" : "* rw",
            "nfs.file.dump.dir" : "/tmp/.hdfs-nfs"
          },
          "properties_attributes" : {
            "final" : {
              "dfs.webhdfs.enabled" : "true",
              "dfs.support.append" : "true",
              "dfs.namenode.http-address" : "true",
              "dfs.namenode.name.dir" : "true",
              "dfs.datanode.failed.volumes.tolerated" : "true",
              "dfs.datanode.data.dir" : "true"
            }
          }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-audit",
          "tag" : "version1",
          "version" : 1,
          "properties" : { },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-plugin-properties",
          "tag" : "version1",
          "version" : 1,
          "properties" : { },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-policymgr-ssl",
          "tag" : "version1",
          "version" : 1,
          "properties" : { },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-security",
          "tag" : "version1",
          "version" : 1,
          "properties" : { },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ssl-client",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "ssl.client.keystore.location" : 
"/etc/security/clientKeys/keystore.jks",
            "ssl.client.keystore.password" : 
"SECRET:ssl-client:1:ssl.client.keystore.password",
            "ssl.client.keystore.type" : "jks",
            "ssl.client.truststore.location" : 
"/etc/security/clientKeys/all.jks",
            "ssl.client.truststore.password" : 
"SECRET:ssl-client:1:ssl.client.truststore.password",
            "ssl.client.truststore.reload.interval" : "10000",
            "ssl.client.truststore.type" : "jks"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ssl-server",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "ssl.server.keystore.keypassword" : 
"SECRET:ssl-server:1:ssl.server.keystore.keypassword",
            "ssl.server.keystore.location" : 
"/etc/security/serverKeys/keystore.jks",
          },
          "properties_attributes" : { }
        }
      ],
      "createtime" : 1510962642204,
      "group_id" : -1,
      "group_name" : "Default",
      "hosts" : [ ],
      "is_cluster_compatible" : true,
      "is_current" : true,
      "service_config_version" : 3,
      "service_group_name" : "test-hdp",
      "service_name" : "HDFS",
      "user" : "admin",
      "ServiceConfigVersion" : {
        "service_config_version_note" : null,
        "stack_id" : "HDP-3.0.0"
      }
    }
  ]
}
```
Fetch the latest config version for a service. EG: HDFS
========================================================
GET 
http://c6401.ambari.apache.org:8080/api/v1/clusters/cl1/servicegroups/test-hdp/services/HDFS/configurations/service_config_versions?is_current=true
Response :
```json
{
  "href" : 
"http://c6401.ambari.apache.org:8080/api/v1/clusters/cl1/servicegroups/test-hdp/services/HDFS/configurations/service_config_versions?is_current=true";,
  "items" : [
    {
      "href" : 
"http://c6401.ambari.apache.org:8080/api/v1/clusters/cl1/configurations/service_config_versions?service_name=HDFS&service_config_version=3";,
      "cluster_name" : "cl1",
      "configurations" : [
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "core-site",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "fs.defaultFS" : "hdfs://mradha-1.openstacklocal:8020",
            "fs.trash.interval" : "360",
            "ha.failover-controller.active-standby-elector.zk.op.retries" : 
"120",
            "ipc.server.tcpnodelay" : "true",
            "mapreduce.jobtracker.webinterface.trusted" : "false",
            "net.topology.script.file.name" : 
"/etc/hadoop/conf/topology_script.py"
          },
          "properties_attributes" : {
            "final" : {
              "fs.defaultFS" : "true"
            }
          }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hadoop-env",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "content" : "some content",
            "dtnode_heapsize" : "1024m",
            "namenode_opt_newsize" : "128m",
            "namenode_opt_permsize" : "128m",
            "nfsgateway_heapsize" : "1024",
            "proxyuser_group" : "users"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hadoop-metrics2.properties",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "content" : "some content"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hadoop-policy",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "security.admin.operations.protocol.acl" : "hadoop",
            "security.client.datanode.protocol.acl" : "*",
            "security.client.protocol.acl" : "*",
            "security.refresh.policy.protocol.acl" : "hadoop",
            "security.refresh.usertogroups.mappings.protocol.acl" : "hadoop"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hdfs-log4j",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "content" : "some content",
            "hadoop_log_max_backup_size" : "256",
            "hadoop_log_number_of_backup_files" : "10",
            "hadoop_security_log_max_backup_size" : "256",
            "hadoop_security_log_number_of_backup_files" : "20"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hdfs-logsearch-conf",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "component_mappings" : 
"NAMENODE:hdfs_namenode;DATANODE:hdfs_datanode;SECONDARY_NAMENODE:hdfs_secondarynamenode;JOURNALNODE:hdfs_journalnode;ZKFC:hdfs_zkfc;NFS_GATEWAY:hdfs_nfs3",
            "content" : "some content",
            "service_name" : "HDFS"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "hdfs-site",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "dfs.block.access.token.enable" : "true",
            "dfs.blockreport.initialDelay" : "120",
            "dfs.blocksize" : "134217728",
            "dfs.client.read.shortcircuit" : "true",
            "dfs.namenode.safemode.threshold-pct" : "1",
            "dfs.namenode.secondary.http-address" : 
"mradha-2.openstacklocal:50090",
            "dfs.namenode.stale.datanode.interval" : "30000",
         
            "nfs.file.dump.dir" : "/tmp/.hdfs-nfs"
          },
          "properties_attributes" : {
            "final" : {
              "dfs.webhdfs.enabled" : "true",
              "dfs.support.append" : "true",
              "dfs.namenode.http-address" : "true",
              "dfs.namenode.name.dir" : "true",
              "dfs.datanode.failed.volumes.tolerated" : "true",
              "dfs.datanode.data.dir" : "true"
            }
          }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-audit",
          "tag" : "version1",
          "version" : 1,
          "properties" : { },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-plugin-properties",
          "tag" : "version1",
          "version" : 1,
          "properties" : { },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-policymgr-ssl",
          "tag" : "version1",
          "version" : 1,
          "properties" : { },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ranger-hdfs-security",
          "tag" : "version1",
          "version" : 1,
          "properties" : { },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ssl-client",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "ssl.client.keystore.location" : 
"/etc/security/clientKeys/keystore.jks",
            "ssl.client.keystore.password" : 
"SECRET:ssl-client:1:ssl.client.keystore.password",
            "ssl.client.keystore.type" : "jks",
            "ssl.client.truststore.location" : 
"/etc/security/clientKeys/all.jks",
            "ssl.client.truststore.password" : 
"SECRET:ssl-client:1:ssl.client.truststore.password",
            "ssl.client.truststore.reload.interval" : "10000",
            "ssl.client.truststore.type" : "jks"
          },
          "properties_attributes" : { }
        },
        {
          "Config" : {
            "cluster_name" : "cl1",
            "stack_id" : "HDP-3.0.0"
          },
          "type" : "ssl-server",
          "tag" : "version1",
          "version" : 1,
          "properties" : {
            "ssl.server.keystore.keypassword" : 
"SECRET:ssl-server:1:ssl.server.keystore.keypassword",
            "ssl.server.keystore.location" : 
"/etc/security/serverKeys/keystore.jks",
            "ssl.server.keystore.password" : 
"SECRET:ssl-server:1:ssl.server.keystore.password",
            "ssl.server.keystore.type" : "jks",
            "ssl.server.truststore.location" : 
"/etc/security/serverKeys/all.jks",
            "ssl.server.truststore.password" : 
"SECRET:ssl-server:1:ssl.server.truststore.password",
            "ssl.server.truststore.reload.interval" : "10000",
            "ssl.server.truststore.type" : "jks"
          },
          "properties_attributes" : { }
        }
      ],
      "createtime" : 1510962642204,
      "group_id" : -1,
      "group_name" : "Default",
      "hosts" : [ ],
      "is_cluster_compatible" : true,
      "is_current" : true,
      "service_config_version" : 3,
      "service_group_name" : "test-hdp",
      "service_name" : "HDFS",
      "user" : "admin",
      "ServiceConfigVersion" : {
        "service_config_version_note" : null,
        "stack_id" : "HDP-3.0.0"
      }
    }
  ]
}
```

Trimmed down some config properties to reduce size.


Thanks,

Madhuvanthi Radhakrishnan

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