Obtains metadata of the E-MapReduce (EMR) cluster that you want to clone. This helps you call the CreateCluster API operation to quickly create an EMR cluster.
Debugging
Authorization information
There is currently no authorization information disclosed in the API.
Request parameters
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| RegionId | string | Yes | The region ID. | cn-hangzhou |
| ClusterId | string | Yes | The cluster ID. | c-b933c5aac8fe**** |
Response parameters
Examples
Sample success responses
JSONformat
{
"ClusterCloneMeta": {
"RegionId": "cn-hangzhou",
"ResourceGroupId": "rg-acfmzabjyop****",
"ClusterState": "RUNNING",
"ClusterId": "c-b933c5aac7f7****",
"ClusterName": "emrtest",
"ClusterType": "DATALAKE",
"PaymentType": "PayAsYouGo",
"SubscriptionConfig": {
"PaymentDurationUnit": "Month",
"PaymentDuration": 12,
"AutoPayOrder": false,
"AutoRenew": true,
"AutoRenewDurationUnit": "Month",
"AutoRenewDuration": 12
},
"ReleaseVersion": "EMR-5.6.0",
"DeployMode": "HA",
"SecurityMode": "NORMAL",
"NodeAttributes": {
"VpcId": "vpc-bp1tgey2p0ytxmdo5****",
"ZoneId": "cn-beijing-h",
"SecurityGroupId": "sg-hp3abbae8lb6lmb1****",
"RamRole": "AliyunECSInstanceForEMRRole",
"KeyPairName": "emr_login",
"MasterRootPassword": "Adxefswfd****",
"DiskEncrypted": false,
"DiskKMSKeyId": "0e478b7a-4262-4802-b8cb-00d3fb40****",
"DataDiskEncrypted": false,
"DataDiskKMSKeyId": "0e478b7a-4262-4802-b8cb-00d3fb40****"
},
"Tags": [
{
"Key": "department",
"Value": "IT"
}
],
"EmrDefaultRole": "AliyunEMRDefaultRole",
"Applications": [
{
"ApplicationName": "HDFS",
"ApplicationVersion": "2.6.0"
}
],
"ApplicationConfigs": [
{
"ApplicationName": "HDFS",
"ConfigFileName": "hdfs-site.xml",
"ConfigItemKey": "dfs.namenode.checkpoint.period",
"ConfigItemValue": "3600s",
"ConfigScope": "NODE_GROUP",
"NodeGroupName": "core-1",
"NodeGroupId": "ng-869471354ecd****"
}
],
"NodeGroups": [
{
"ZoneId": "cn-beijing-h",
"NodeGroupId": "ng-869471354ecd****",
"NodeGroupName": "core-1",
"NodeGroupType": "CORE",
"RunningNodeCount": 3,
"InstanceTypes": [
""
],
"PaymentType": "PayAsYouGo",
"DataDisks": [
{
"Category": "cloud_essd",
"Size": 80,
"PerformanceLevel": "PL1",
"Count": 5
}
],
"SystemDisk": {
"Category": "cloud_essd",
"Size": 60,
"PerformanceLevel": "PL1",
"Count": 1
},
"NodeGroupState": "CREATED",
"Status": "CREATED",
"AdditionalSecurityGroupIds": [
""
],
"WithPublicIp": false,
"VSwitchIds": [
""
],
"SpotStrategy": "NoSpot",
"SpotBidPrices": [
{
"InstanceType": "ecs.g7.2xlarge",
"BidPrice": 1000
}
],
"StateChangeReason": {
"Code": "MissingParameter",
"Message": "The instance type is required."
},
"MinimalNodeCount": 0,
"MaximalNodeCount": 200,
"GracefulShutdown": false,
"SpotInstanceRemedy": true,
"NodeResizeStrategy": "PRIORITY",
"CostOptimizedConfig": {
"OnDemandBaseCapacity": 80,
"OnDemandPercentageAboveBaseCapacity": 80,
"SpotInstancePools": 2
},
"DeploymentSetStrategy": "NONE",
"AutoCompensateState": true,
"ExtraAttributes": {
"key": ""
},
"AckConfig": {
"AckInstanceId": "",
"NodeSelectors": [
{
"Key": "department",
"Value": "IT"
}
],
"Tolerations": [
{
"Key": "",
"Value": "",
"Operator": "",
"Effect": ""
}
],
"Namespace": "",
"RequestCpu": 0,
"RequestMemory": 0,
"LimitCpu": 0,
"LimitMemory": 0,
"DataDiskStorageClass": "",
"DataDiskSize": 0,
"CustomLabels": [
{
"Key": "department",
"Value": "IT"
}
],
"CustomAnnotations": [],
"MountHostCgroup": true,
"NodeAffinity": "",
"PodAntiAffinity": "",
"PodAffinity": "",
"PreStartCommand": [
""
],
"Pvcs": [
{
"DataDiskStorageClass": "",
"DataDiskSize": 0,
"Path": "",
"Name": ""
}
],
"Volumes": [
{
"Name": "",
"Path": "",
"Type": ""
}
],
"VolumeMounts": [
{
"Name": "",
"Path": ""
}
]
},
"IaaSType": ""
}
],
"BootstrapScripts": [
{
"ScriptName": "",
"ScriptPath": "oss://bucket1/update_hosts.sh",
"ScriptArgs": "-host 10.0.10.5 -m 30",
"Priority": 1,
"NodeSelector": {
"NodeSelectType": "CLUSTER",
"NodeNames": [
""
],
"NodeGroupId": "ng-869471354ecd****",
"NodeGroupIds": [
"ng-869471354ecd****"
],
"NodeGroupTypes": [
""
],
"NodeGroupName": "master-1",
"NodeGroupNames": [
"master-1"
]
},
"ExecutionMoment": "BEFORE_INSTALL",
"ExecutionFailStrategy": "FAILED_CONTINUE"
}
],
"ExistCloneConfig": true,
"ScalingPolicies": [
{
"NodeGroupId": "ng-869471354ecd****",
"ClusterId": "c-b933c5aac8fe****",
"ScalingRules": [
{
"RuleName": "scaling-out-memory",
"TriggerType": "TIME_TRIGGER",
"ActivityType": "SCALE_OUT",
"AdjustmentValue": 100,
"TimeTrigger": {
"LaunchTime": "",
"StartTime": 1639714800000,
"EndTime": 1639714800000,
"LaunchExpirationTime": 600,
"RecurrenceType": "WEEKLY",
"RecurrenceValue": "MON,FRI,SUN"
},
"MetricsTrigger": {
"TimeWindow": 30,
"EvaluationCount": 2,
"CoolDownInterval": 300,
"TimeConstraints": [
{
"StartTime": "06:00:00",
"EndTime": "23:59:59"
}
],
"ConditionLogicOperator": "Or",
"Conditions": [
{
"MetricName": "yarn_resourcemanager_root_availablememoryusage",
"Tags": [],
"Statistics": "AVG",
"ComparisonOperator": "LT",
"Threshold": 12.5
}
]
}
}
],
"ScalingPolicyId": "asp-asduwe23znl***",
"Constraints": {
"MaxCapacity": 200,
"MinCapacity": 50
}
}
]
},
"RequestId": "DD6B1B2A-5837-5237-ABE4-FF0C8944****"
}Error codes
| HTTP status code | Error code | Error message |
|---|---|---|
| 400 | ConflictParameters | Parameters that must not be used together. %s |
| 400 | IncompleteSignature | The request signature is invalid. |
| 400 | InvalidAction | The action %s requested is invalid. |
| 400 | InvalidParameter | The specified parameter %s is not valid. |
| 400 | InvalidParameterValue | The input parameter %s is invalid or out of range. |
| 400 | MissingAction | The action %s requested is missing. |
| 400 | MissingParameter | The input parameter %s that is mandatory for processing this request is not supplied. |
| 400 | NotAuthorized | You do not have permission to perform this action. %s |
| 400 | ThrottlingException | The request was denied due to request throttling. %s |
| 404 | ResourceNotFound | The resource not found by %s. |
| 500 | InternalError | The request processing has failed due to some unknown error, exception or failure. |
| 503 | ServiceFailure | The request has failed due to a temporary failure of %s service. |
| 503 | ServiceUnavailable | The request has failed due to a temporary failure of the server. |
For a list of error codes, visit the Service error codes.