serverless.yml

service:
  name: sls-ec2Terminator
provider:
  name: aws
  runtime: nodejs8.10
  region: us-west-2
  environment:
    SERVER_TYPE: dev
resources:
  Resources:
    ec2TerminatorRole:
      Type: AWS::IAM::Role
      Properties:
        AssumeRolePolicyDocument:
          Version: '2012-10-17'
          Statement:
            - Effect: Allow
              Principal:
                Service:
                  - lambda.amazonaws.com
              Action: sts:AssumeRole
        Policies:
          - PolicyName: ${self:service.name}
            PolicyDocument:
              Statement:
                - Effect: Allow
                  Action:
                    - logs:CreateLogGroup
                    - logs:CreateLogStream
                    - logs:PutLogEvents
                  Resource:
                    - 'Fn::Join':
                      - ':'
                      -
                        - 'arn:aws:logs'
                        - Ref: 'AWS::Region'
                        - Ref: 'AWS::AccountId'
                        - 'log-group:/aws/lambda/*:*:*'
                - Effect: Allow
                  Action:
                    - ec2:DescribeInstances
                    - ec2:DescribeInstanceStatus
                    - ec2:TerminateInstances
                  Resource: "*"
functions:
  ec2Terminator:
    handler: handler.ec2Terminator
    role:
      Fn::GetAtt: [ec2TerminatorRole, Arn]
    events:
      - schedule: "cron(0 0 * * ? *)"