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. |
| tags | array of ApiEntityTag | Tags associated with the role. Available since V41. |
Example
{
"name" : "...",
"type" : "...",
"hostRef" : {
"hostId" : "...",
"hostname" : "..."
},
"serviceRef" : {
"peerName" : "...",
"clusterName" : "...",
"serviceName" : "...",
"serviceDisplayName" : "...",
"serviceType" : "..."
},
"roleState" : "STARTED",
"commissionState" : "DECOMMISSIONED",
"healthSummary" : "BAD",
"configStalenessStatus" : "FRESH",
"healthChecks" : [ {
"name" : "...",
"summary" : "DISABLED",
"explanation" : "...",
"suppressed" : true
}, {
"name" : "...",
"summary" : "BAD",
"explanation" : "...",
"suppressed" : true
} ],
"haStatus" : "ACTIVE",
"roleUrl" : "...",
"maintenanceMode" : true,
"maintenanceOwners" : [ "CONTROL_PLANE", "CLUSTER" ],
"config" : {
"items" : [ {
"name" : "...",
"value" : "...",
"required" : true,
"default" : "...",
"displayName" : "...",
"description" : "...",
"relatedName" : "...",
"sensitive" : true,
"validationState" : "OK",
"validationMessage" : "...",
"validationWarningsSuppressed" : true
}, {
"name" : "...",
"value" : "...",
"required" : true,
"default" : "...",
"displayName" : "...",
"description" : "...",
"relatedName" : "...",
"sensitive" : true,
"validationState" : "OK",
"validationMessage" : "...",
"validationWarningsSuppressed" : true
} ]
},
"roleConfigGroupRef" : {
"roleConfigGroupName" : "..."
},
"zooKeeperServerMode" : "REPLICATED_FOLLOWER",
"entityStatus" : "STOPPED",
"tags" : [ {
"name" : "...",
"value" : "..."
}, {
"name" : "...",
"value" : "..."
} ]
}