---
version: "3"

tasks:

  cli:session-manager-plugin:install:
    desc: install the session manager plugin for the aws cli
    summary: |-
      Install the session manager plugin for the AWS CLI.
    platforms:
      - darwin/arm64
    interactive: true
    cmds:
      - >-
          curl --continue-at '-'
          --url 'https://s3.amazonaws.com/session-manager-downloads/plugin/latest/mac_arm64/session-manager-plugin.pkg'
          --output 'session-manager-plugin.pkg'
      - sudo installer -pkg 'session-manager-plugin.pkg' -target '/'
      - sudo ln -fs '/usr/local/sessionmanagerplugin/bin/session-manager-plugin' '/usr/local/bin/session-manager-plugin'
    status:
      - test -r '/usr/local/sessionmanagerplugin/bin/session-manager-plugin'
      - test -r '/usr/local/bin/session-manager-plugin'

  ecr:login:
    desc: login to an ecr
    summary: |-
      Login to an ECR.

      Enables pulling and pushing images to it, as long as the AWS user has sufficient permissions.
    internal: true
    requires:
      vars:
        - ECR_URL
    cmd: aws ecr get-login-password | docker login --username 'AWS' --password-stdin '{{.ECR_URL}}'

  ecs:service:check:can-execute:
    desc: check one can execute commands in an ecs service's tasks
    summary: |-
      Check one can execute commands in an ECS service's tasks.
    internal: true
    requires:
      vars:
        - AWS_PROFILE
        - CLUSTER
        - SERVICE_NAME
    vars:
      CLUSTER: '{{.CLUSTER}}'
    cmd: >-
      aws ecs list-tasks --cluster '{{.CLUSTER}}' --service-name '{{.SERVICE_NAME}}' --query 'taskArns' --output 'text'
      | xargs aws ecs describe-tasks --cluster '{{.CLUSTER}}' --output 'yaml'
      --query 'tasks[0] | {
        "managedAgents": containers[].managedAgents[?@.name==`ExecuteCommandAgent`][],
        "enableExecuteCommand": enableExecuteCommand
      }'
      --tasks
  ecs:service:execute:
    desc: execute a command in an ecs service's task
    summary: |-
      Execute a command in an ECS service's task.
    internal: true
    interactive: true
    deps:
      - cli:session-manager-plugin:install
    requires:
      vars:
        - AWS_PROFILE
        - CLUSTER
        - CONTAINER_NAME
        - SERVICE_NAME
        - COMMAND
    vars:
      CLUSTER: '{{.CLUSTER}}'
    cmd: >-
      aws ecs list-tasks --cluster '{{.CLUSTER}}' --service-name '{{.SERVICE_NAME}}' --query 'taskArns[0]' --output 'text'
      | xargs -o -I '%%' aws ecs execute-command --interactive --command '{{.COMMAND}}' --cluster '{{.CLUSTER}}' --container '{{.CONTAINER_NAME}}' --task '%%'
  ecs:service:get-shell:
    desc: get a shell in an ecs service's task
    summary: |-
      Get a shell in an ECS service's task.
    internal: true
    interactive: true
    cmd:
      task: ecs:service:execute
      vars:
        COMMAND: bash
        CONTAINER_NAME: '{{.CONTAINER_NAME}}'
        SERVICE_NAME: '{{.SERVICE_NAME}}'
  ecs:service:get-tasks-ips:
    desc: get the ip addresses of an ecs service's tasks
    summary: |-
      Get the IP addresses of an ECS service's tasks.
    internal: true
    requires:
      vars:
        - AWS_PROFILE
        - CLUSTER
        - SERVICE_NAME
    vars:
      CLUSTER: '{{.CLUSTER}}'
    cmd: >-
      aws ecs list-tasks --cluster '{{.CLUSTER}}' --service-name '{{.SERVICE_NAME}}' --query 'taskArns[0]' --output 'text'
      | xargs -I '%%' aws ecs describe-tasks --cluster '{{.CLUSTER}}' --tasks '%%' --query "tasks[].attachments[].details[?(@.name=='privateIPv4Address')].value" --output 'text'
  ecs:service:restart:
    desc: restart an ecs service's tasks
    summary: |-
      Restart an ECS service's tasks.
    requires:
      vars:
        - AWS_PROFILE
        - AWS_USER
        - CLUSTER
        - SERVICE_NAME
        - REASON
    vars:
      AWS_USER:
        sh: aws sts get-caller-identity --output 'json' | jq -r '.Arn'
      CLUSTER: '{{.CLUSTER | default "Staging"}}'
      REASON: 'Entity {{.AWS_USER}} requested manual restart'
    cmd: >-
      aws ecs list-tasks --cluster '{{.CLUSTER}}' --service-name '{{.SERVICE_NAME}}' --query 'taskArns' --output 'text'
      | xargs -n '1' aws ecs stop-task --cluster '{{.CLUSTER}}' --output 'text' --query 'task.lastStatus' --reason '{{.REASON}}' --task