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AWSTemplateFormatVersion: '2010-09-09'
Description: >
 Setup a Job Queue and an EC2 Compute Environment on
 AWS Batch.
 Author: maxhaws@

Parameters:
  InstanceType:
    Description: EC2 instance type
    Type: List<String>
    Default: "c5, m5, r5"
    ConstraintDescription: must be a valid EC2 instance type.
  Minvcpus:
    Type: Number
    Default: 0
    Description: Minimum number of vCPUs per Compute Environment
  Maxvcpus:
    Type: Number
    Default: 256
    Description: Maximum number of vCPUs per Compute Environment
  SubnetIds:
    Type: List<AWS::EC2::Subnet::Id>
    Description: Subnet Id
  SecurityGroupId:
    Type: AWS::EC2::SecurityGroup::Id
    Description: Security Group Id

############################
## AWS Batch Infrastructure
Resources:
  BatchECSCE:
    Type: AWS::Batch::ComputeEnvironment
    Properties:
      Type: MANAGED
      ComputeResources:
        AllocationStrategy: BEST_FIT_PROGRESSIVE
        MinvCpus: !Ref Minvcpus
        MaxvCpus: !Ref Maxvcpus
        SecurityGroupIds:
          - !Ref SecurityGroupId
        Subnets: !Ref SubnetIds
        Type: EC2
        InstanceRole: "ecsInstanceRole"
        InstanceTypes: !Ref InstanceType
      State: ENABLED

  BatchJobQueue:
    Type: AWS::Batch::JobQueue
    Properties:
      JobQueueName: !Sub 'jq-${AWS::StackName}'
      ComputeEnvironmentOrder:
        - ComputeEnvironment: !Ref BatchECSCE
          Order: 1
      Priority: 1
      State: "ENABLED"


############
## Outputs
Outputs:
  ComputeEnvironment:
    Value: !Ref BatchECSCE
  JobQueue:
    Value: !Ref BatchJobQueue