template.yaml

---
AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: >
  ec2-ctrl

Parameters:
  NameTag:
    Type: String
    Default: ""
    Description: ""
  Webhook:
    Type: String
    Default: ""
    Description: ""
  Channel:
    Type: String
    Default: ""
    Description: ""

Globals:
  Function:
    Timeout: 60

Resources:
  LambdaFunction:
    Type: AWS::Serverless::Function
    Properties:
      Description: "(Daily) Start/Stop EC2 instances."
      CodeUri: build/
      Handler: handler
      Runtime: go1.x
      Tracing: PassThrough
      Policies:
        - AWSLambdaBasicExecutionRole
        - Version: "2012-10-17"
          Statement:
            - Effect: "Allow"
              Action:
                  - "ec2:DescribeInstances"
                  - "ec2:StartInstances"
                  - "ec2:StopInstances"
              Resource:
                - "*"
      Events:
        ScheduledEvent:
          Type: Schedule
          Properties:
            Description: "ec2-ctrl events."
            Enabled: True
            Schedule: "cron(0 0,12 ? * MON-FRI *)"
      Environment:
        Variables:
          NameTag: !Ref NameTag
          Webhook: !Ref Webhook
          Channel: !Ref Channel
          TZ: "Asia/Tokyo"

  LogGroup:
    Type: AWS::Logs::LogGroup
    Properties:
      LogGroupName: !Sub /aws/lambda/${LambdaFunction}
      RetentionInDays: 7