Re: Ranger "Test Connection" button REST API?

@nur majid,

You can use the below API to validate the config

curl -u username:password -X POST -d '{post-body-json-mentioned-below}' -H "Content-Type:application/json" http://{ranger-host}:{port}/service/plugins/services/validateConfig

Sample post body looks like below

{
  "id": 1,
  "guid": "fd82acf1-d3e9-4707-9a75-a839a9802cd9",
  "isEnabled": true,
  "createdBy": "hdfs",
  "updatedBy": "hdfs",
  "createTime": 1544045853000,
  "updateTime": 1544045853000,
  "version": 1,
  "type": "hdfs",
  "name": "cl1_hadoop",
  "description": "hdfs repo",
  "configs": {
    "username": "hadoop",
    "password": "*****",
    "fs.default.name": "hdfs://mycluster",
    "hadoop.security.authorization": true,
    "hadoop.security.authentication": "kerberos",
    "hadoop.security.auth_to_local": "RULE:[1:$1@$0](ambari-qa@EXAMPLE.COM)s/.*/ambari-qa/RULE:[1:$1@$0](hbase@EXAMPLE.COM)s/.*/hbase/RULE:[1:$1@$0](hdfs@EXAMPLE.COM)s/.*/hdfs/RULE:[1:$1@$0](yarn-ats@EXAMPLE.COM)s/.*/yarn-ats/RULE:[1:$1@$0](.*@EXAMPLE.COM)s/@.*//RULE:[2:$1@$0](amshbase@EXAMPLE.COM)s/.*/ams/RULE:[2:$1@$0](amsmon@EXAMPLE.COM)s/.*/ams/RULE:[2:$1@$0](amszk@EXAMPLE.COM)s/.*/ams/RULE:[2:$1@$0](atlas@EXAMPLE.COM)s/.*/atlas/RULE:[2:$1@$0](dn@EXAMPLE.COM)s/.*/hdfs/RULE:[2:$1@$0](hbase@EXAMPLE.COM)s/.*/hbase/RULE:[2:$1@$0](hive@EXAMPLE.COM)s/.*/hive/RULE:[2:$1@$0](jhs@EXAMPLE.COM)s/.*/mapred/RULE:[2:$1@$0](jn@EXAMPLE.COM)s/.*/hdfs/RULE:[2:$1@$0](knox@EXAMPLE.COM)s/.*/knox/RULE:[2:$1@$0](nfs@EXAMPLE.COM)s/.*/hdfs/RULE:[2:$1@$0](nm@EXAMPLE.COM)s/.*/yarn/RULE:[2:$1@$0](nn@EXAMPLE.COM)s/.*/hdfs/RULE:[2:$1@$0](rangeradmin@EXAMPLE.COM)s/.*/ranger/RULE:[2:$1@$0](rangerkms@EXAMPLE.COM)s/.*/keyadmin/RULE:[2:$1@$0](rangertagsync@EXAMPLE.COM)s/.*/rangertagsync/RULE:[2:$1@$0](rangerusersync@EXAMPLE.COM)s/.*/rangerusersync/RULE:[2:$1@$0](rm@EXAMPLE.COM)s/.*/yarn/RULE:[2:$1@$0](yarn@EXAMPLE.COM)s/.*/yarn/RULE:[2:$1@$0](yarn-ats-hbase@EXAMPLE.COM)s/.*/yarn-ats/DEFAULT",
    "dfs.datanode.kerberos.principal": "dn/test-node-4.openstacklocal@EXAMPLE.COM",
    "dfs.namenode.kerberos.principal": "nn/test-node-4.openstacklocal@EXAMPLE.COM",
    "dfs.secondary.namenode.kerberos.principal": "nn/test-node-4.openstacklocal@EXAMPLE.COM",
    "hadoop.rpc.protection": "privacy",
    "commonNameForCertificate": "-",
    "tag.download.auth.users": "hdfs",
    "policy.download.auth.users": "hdfs"
  },
  "policyVersion": 3,
  "policyUpdateTime": 1544045856000,
  "tagVersion": 1,
  "tagUpdateTime": 1544045853000,
  "tagService": ""
}

You can get the exact json for your cluster from the browser's developer tools

Right Click -> Inspect -> Network -> Click on the request -> Request payload

.

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