Augment environments and deployments endpoints

In order to provide more control over review apps, additional
front-end controls are being added. This MR exposes endpoints
needed for these changes

Closes https://gitlab.com/gitlab-org/gitlab/issues/5582

changelogs/unreleased/5582-add-missing-actions-and-data-to-environments-and-deployments-apis.yml

+---
+title: Add status to deployments and state to environments in API responses
+merge_request: 16242
+author:
+type: changed

doc/api/environments.md

@@ -26,7 +26,8 @@ Example response:
     "id": 1,
     "name": "review/fix-foo",
     "slug": "review-fix-foo-dfjre3",
-    "external_url": "https://review-fix-foo-dfjre3.example.gitlab.com"
+    "external_url": "https://review-fix-foo-dfjre3.example.gitlab.com",
+    "state": "available"
   }
 ]
 ```
@@ -54,12 +55,14 @@ Example of response
   "name": "review/fix-foo",
   "slug": "review-fix-foo-dfjre3",
   "external_url": "https://review-fix-foo-dfjre3.example.gitlab.com"
+  "state": "available",
   "last_deployment": {
     "id": 100,
     "iid": 34,
     "ref": "fdroid",
     "sha": "416d8ea11849050d3d1f5104cf8cf51053e790ab",
     "created_at": "2019-03-25T18:55:13.252Z",
+    "status": "success",
     "user": {
       "id": 1,
       "name": "Administrator",
@@ -163,7 +166,8 @@ Example response:
   "id": 1,
   "name": "deploy",
   "slug": "deploy",
-  "external_url": "https://deploy.example.gitlab.com"
+  "external_url": "https://deploy.example.gitlab.com",
+  "state": "available"
 }
 ```
 
@@ -195,7 +199,8 @@ Example response:
   "id": 1,
   "name": "staging",
   "slug": "staging",
-  "external_url": "https://staging.example.gitlab.com"
+  "external_url": "https://staging.example.gitlab.com",
+  "state": "available"
 }
 ```
 
@@ -240,6 +245,7 @@ Example response:
   "id": 1,
   "name": "deploy",
   "slug": "deploy",
-  "external_url": "https://deploy.example.gitlab.com"
+  "external_url": "https://deploy.example.gitlab.com",
+  "state": "stopped"
 }
 ```

lib/api/entities.rb

@@ -1470,11 +1470,13 @@ module API
       expose :user,        using: Entities::UserBasic
       expose :environment, using: Entities::EnvironmentBasic
       expose :deployable,  using: Entities::Job
+      expose :status
     end
 
     class Environment < EnvironmentBasic
       expose :project, using: Entities::BasicProjectDetails
       expose :last_deployment, using: Entities::Deployment, if: { last_deployment: true }
+      expose :state
     end
 
     class LicenseBasic < Grape::Entity

spec/fixtures/api/schemas/deployment.json

@@ -60,7 +60,8 @@
     "scheduled_actions": {
       "type": "array",
       "items": { "$ref": "job/job.json" }
-    }
+    },
+    "status": { "type": "string" }		
   },
   "additionalProperties": false
 }

spec/fixtures/api/schemas/public_api/v4/deployment.json

@@ -26,7 +26,8 @@
         { "type": "null" },
         { "$ref": "job.json" }
       ]
-    }
+    },
+    "status": { "type": "string" }
   },
   "additionalProperties": false
 }

spec/fixtures/api/schemas/public_api/v4/environment.json

@@ -17,7 +17,8 @@
         { "type": "null" },
         { "$ref": "deployment.json" }
       ]
-    }
+    },
+    "state": { "type": "string" }
   },
   "additionalProperties": false
 }