A role represents a specific entity that participate in a service. Examples are JobTrackers, DataNodes, HBase Masters. Each role is assigned a host where it runs on.
| name | data type | description | 
|---|---|---|
| name | string | The name of the role. Optional when creating a role since API v6. If not specified, a name will be automatically generated for the role. | 
| type | string | The type of the role, e.g. NAMENODE, DATANODE, TASKTRACKER. | 
| hostRef | ApiHostRef | A reference to the host where this role runs. | 
| serviceRef | ApiServiceRef | Readonly. A reference to the parent service. | 
| roleState | ApiRoleState | Readonly. The configured run state of this role. Whether it's running, etc. | 
| commissionState | ApiCommissionState | Readonly. The commission state of this role. Available since API v2. | 
| healthSummary | ApiHealthSummary | Readonly. The high-level health status of this role. | 
|    | 
             | 
             | 
        
| configStalenessStatus | ApiConfigStalenessStatus | Readonly. Expresses the role's configuration staleness status. Available since API v6. | 
| healthChecks | array of ApiHealthCheck | Readonly. The list of health checks of this service. | 
| haStatus | HaStatus | Readonly. The HA status of this role. | 
| roleUrl | string | Readonly. Link into the Cloudera Manager web UI for this specific role. | 
| maintenanceMode | boolean | Readonly. Whether the role is in maintenance mode. Available since API v2. | 
| maintenanceOwners | array of ApiEntityType | Readonly. The list of objects that trigger this role to be in maintenance mode. Available since API v2. | 
| config | ApiConfigList | The role configuration. Optional. | 
| roleConfigGroupRef | ApiRoleConfigGroupRef | Readonly. The reference to the role configuration group of this role. Available since API v3. | 
| zooKeeperServerMode | ZooKeeperServerMode | Readonly. The ZooKeeper server mode for this role. Note that for non-ZooKeeper Server roles this will be null. Available since API v6. | 
| entityStatus | ApiEntityStatus | Readonly. The entity status for this role. Available since API v11. | 
Example
{
  "name" : "...",
  "type" : "...",
  "hostRef" : {
    "hostId" : "...",
    "hostname" : "..."
  },
  "serviceRef" : {
    "peerName" : "...",
    "clusterName" : "...",
    "serviceName" : "...",
    "serviceDisplayName" : "...",
    "serviceType" : "..."
  },
  "roleState" : "STARTED",
  "commissionState" : "COMMISSIONED",
  "healthSummary" : "DISABLED",
  "configStalenessStatus" : "STALE_REFRESHABLE",
  "healthChecks" : [ {
    "name" : "...",
    "summary" : "CONCERNING",
    "explanation" : "...",
    "suppressed" : true
  }, {
    "name" : "...",
    "summary" : "DISABLED",
    "explanation" : "...",
    "suppressed" : true
  } ],
  "haStatus" : "STANDBY",
  "roleUrl" : "...",
  "maintenanceMode" : true,
  "maintenanceOwners" : [ "CLUSTER", "CLUSTER" ],
  "config" : {
    "items" : [ {
      "name" : "...",
      "value" : "...",
      "required" : true,
      "default" : "...",
      "displayName" : "...",
      "description" : "...",
      "relatedName" : "...",
      "sensitive" : true,
      "validationState" : "ERROR",
      "validationMessage" : "...",
      "validationWarningsSuppressed" : true
    }, {
      "name" : "...",
      "value" : "...",
      "required" : true,
      "default" : "...",
      "displayName" : "...",
      "description" : "...",
      "relatedName" : "...",
      "sensitive" : true,
      "validationState" : "WARNING",
      "validationMessage" : "...",
      "validationWarningsSuppressed" : true
    } ]
  },
  "roleConfigGroupRef" : {
    "roleConfigGroupName" : "..."
  },
  "zooKeeperServerMode" : "REPLICATED_LEADER_ELECTION",
  "entityStatus" : "STOPPED"
}