Alibabacloud Emr Cluster Manage

Before creating cluster, need to confirm target RegionId with user (e.g., cn-hangzhou, cn-beijing, cn-shanghai), then check if the following resources are ready, missing any will cause creation failure:

aliyun configure list                                                          # Credentials
aliyun vpc describe-vpcs --biz-region-id                             # VPC
aliyun vpc describe-vswitches --biz-region-id  --vpc-id vpc-xxx      # VSwitch (record ZoneId)
aliyun ecs describe-security-groups --biz-region-id  --vpc-id vpc-xxx --security-group-type normal  # Security Group
aliyun ecs describe-key-pairs --biz-region-id                        # SSH Key Pair

EMR doesn't support enterprise security groups, only regular security groups—passing wrong type will directly fail creation.