11.17. Scale Down Application

Scale down an application that was created with the scaling function enabled.

{
  "event": "scale-down"
}

$ curl -X POST https://openshift.redhat.com/broker/rest/application/534253991015616165707776/events --user user@example.com --data-urlencode event=scale-down

The API returns the application resource. Unnecessary information and related resource links returned by the API have been removed for brevity. See Chapter 11, Applications for more information on all application parameters.

{
  "api_version": 1.6,
  "data": {
    "aliases": [

    ],
    "app_url": "http://myapp-mydomain.rhcloud.com/",
    "build_job_url": null,
    "building_app": null,
    "building_with": null,
    "creation_time": "2013-08-21T01:58:41Z",
    "domain_id": "mydomain",
    "embedded": {
      "haproxy-1.4": {
      }
    },
    "framework": "ruby-2.0",
    "gear_count": 1,
    "gear_profile": "small",
    "git_url": "ssh://534253991015616165707776@myapp-mydomain.rhcloud.com/~/git/myapp.git/",
    "health_check_path": "health",
    "id": "534253991015616165707776",
    "initial_git_url": null,
    "members": [
      {
        "explicit_role": null,
        "from": [
          {
            "type": "domain",
            "role": "admin"
          }
        ],
        "id": "5213a826e499b22f15000001",
        "name": "user@example.com",
        "owner": true,
        "role": "admin",
        "type": "user"
      }
    ],
    "name": "myapp",
    "scalable": true,
    "ssh_url": "ssh://534253991015616165707776@myapp-mydomain.rhcloud.com"
  },
  "messages": [
    {
      "exit_code": 0,
      "field": null,
      "severity": "info",
      "text": "Application myapp has scaled down"
    }
  ],
  "status": "ok",
  "supported_api_versions": [
    1.0,
    1.1,
    1.2,
    1.3,
    1.4,
    1.5,
    1.6
  ],
  "type": "application",
  "version": "1.6"
}

{
    "status": "unprocessable_entity",
    "messages": [
        {
            "field": null,
            "text": "Failed to add event scale-down to application myapp due to: Cannot scale below minimum gear requirements for group '1'",
            "severity": "error",
            "exit_code": 1
        }
    ]
}