[雑メモ] Task(go-task)を使ってEC2インスタンスを開始したり止めたり参照できるようにしたい。

眠れない夜にjqでパズルをしたのでメモに残す。 ついでに使いたかったが使う機会がなかったTask(go-task)を使うようにした。

インストールと補完が効くような設定は👇

taskfile.dev

補完が便利。 gyazo.com

AWS CLIのコマンドに関しては 👇 awscli.amazonaws.com

version: '3'

tasks:
  describe-ec2-instances:
    desc: Describe All EC2 Instances
    cmds:
      - aws ec2 describe-instances --profile work | jq -r ".Reservations[].Instances[] | [.Tags[].Value, .InstanceId, .PublicIpAddress, .State.Name] | @csv"
  describe-status-ec2-instance:
    desc: Describe Status Of EC2 Instance
    internal: true
    cmds:
      - aws ec2 describe-instances --profile work | jq --arg TAG "${TAG}" -r '.Reservations[].Instances[] | select(.Tags[].Value == "{{.TAG}}").State.Name'
    requires:
      vars: [TAG]
  start-ec2-instance:
    desc:  Start EC2 Instance
    internal: true
    cmds:
      - aws ec2 start-instances --instance-ids {{.INSTANCE_ID}} --profile work
    vars:
      INSTANCE_ID:
        sh: aws ec2 describe-instances --profile work | jq --arg TAG "${TAG}" -r '.Reservations[].Instances[] | select(.Tags[].Value == "{{.TAG}}").InstanceId'
    requires:
      vars: [TAG]
  stop-ec2-instance:
    desc:  Stop EC2 Instance
    internal: true
    cmds:
      - aws ec2 stop-instances --instance-ids {{.INSTANCE_ID}} --profile work
    vars:
      INSTANCE_ID:
        sh: aws ec2 describe-instances --profile work | jq --arg TAG "${TAG}" -r '.Reservations[].Instances[] | select(.Tags[].Value == "{{.TAG}}").InstanceId'
    requires:
      vars: [TAG]
  describe-status-ec2-instance-staging:
    desc: Describe Status Of Staging EC2 Instance
    cmds:
      - task: describe-status-ec2-instance
        vars: { TAG: "staging-tag" }
  start-ec2-instance-staging:
    desc: Start Staging EC2 Instance
    cmds:
      - task: start-ec2-instance
        vars: { TAG: "staging-tag" }
  stop-ec2-instance-staging:
    desc: Stop Staging EC2 Instance
    cmds:
      - task: stop-ec2-instance
        vars: { TAG: "staging-tag" }