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 |
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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. |
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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" : "OFFLINED", "healthSummary" : "CONCERNING", "configStalenessStatus" : "FRESH", "healthChecks" : [ { "name" : "...", "summary" : "HISTORY_NOT_AVAILABLE", "explanation" : "...", "suppressed" : true }, { "name" : "...", "summary" : "GOOD", "explanation" : "...", "suppressed" : true } ], "haStatus" : "STANDBY", "roleUrl" : "...", "maintenanceMode" : true, "maintenanceOwners" : [ "HOST", "SERVICE" ], "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" : "STANDALONE", "entityStatus" : "DOWN", "tags" : [ { "name" : "...", "value" : "..." }, { "name" : "...", "value" : "..." } ] }