Add active field to feature flag api

Add support to POST, PUT, GET requests
Add documentation

doc/api/feature_flags.md

@@ -45,6 +45,7 @@ Example response:
    {
       "name":"merge_train",
       "description":"This feature is about merge train",
+      "active": true,
       "version": "new_version_flag",
       "created_at":"2019-11-04T08:13:51.423Z",
       "updated_at":"2019-11-04T08:13:51.423Z",
@@ -68,6 +69,7 @@ Example response:
    {
       "name":"new_live_trace",
       "description":"This is a new live trace feature",
+      "active": true,
       "version": "new_version_flag",
       "created_at":"2019-11-04T08:13:10.507Z",
       "updated_at":"2019-11-04T08:13:10.507Z",
@@ -112,6 +114,7 @@ Example response:
 {
   "name": "awesome_feature",
   "description": null,
+  "active": true,
   "version": "new_version_flag",
   "created_at": "2020-05-13T19:56:33.119Z",
   "updated_at": "2020-05-13T19:56:33.119Z",
@@ -146,6 +149,7 @@ POST /projects/:id/feature_flags
 | `name`              | string           | yes        | The name of the feature flag.                                                          |
 | `version`           | string           | yes        | The version of the feature flag. Must be `new_version_flag`. Omit or set to `legacy_flag` to create a [Legacy Feature Flag](feature_flags_legacy.md). |
 | `description`       | string           | no         | The description of the feature flag.                                                   |
+| `active`            | boolean          | no         | The active state of the flag. Defaults to true. [Supported](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/38350) in GitLab 13.3 and later. |
 | `strategies`        | JSON             | no         | The feature flag [strategies](../operations/feature_flags.md#feature-flag-strategies). |
 | `strategies:name`   | JSON             | no         | The strategy name.                                                                     |
 | `strategies:parameters` | JSON         | no         | The strategy parameters.                                                               |
@@ -171,6 +175,7 @@ Example response:
 {
   "name": "awesome_feature",
   "description": null,
+  "active": true,
   "version": "new_version_flag",
   "created_at": "2020-05-13T19:56:33.119Z",
   "updated_at": "2020-05-13T19:56:33.119Z",
@@ -204,6 +209,7 @@ PUT /projects/:id/feature_flags/:name
 | `id`                | integer/string   | yes        | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding).       |
 | `name`              | string           | yes        | The name of the feature flag.                                                          |
 | `description`       | string           | no         | The description of the feature flag.                                                   |
+| `active`            | boolean          | no         | The active state of the flag. [Supported](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/38350) in GitLab 13.3 and later. |
 | `strategies`        | JSON             | no         | The feature flag [strategies](../operations/feature_flags.md#feature-flag-strategies). |
 | `strategies:id`     | JSON             | no         | The feature flag strategy id.                                                          |
 | `strategies:name`   | JSON             | no         | The strategy name.                                                                     |
@@ -229,6 +235,7 @@ Example response:
 {
   "name": "awesome_feature",
   "description": null,
+  "active": true,
   "version": "new_version_flag",
   "created_at": "2020-05-13T20:10:32.891Z",
   "updated_at": "2020-05-13T20:10:32.891Z",

doc/api/feature_flags_legacy.md

@@ -44,6 +44,7 @@ Example response:
    {
       "name":"merge_train",
       "description":"This feature is about merge train",
+      "active": true,
       "created_at":"2019-11-04T08:13:51.423Z",
       "updated_at":"2019-11-04T08:13:51.423Z",
       "scopes":[
@@ -97,6 +98,7 @@ Example response:
    {
       "name":"new_live_trace",
       "description":"This is a new live trace feature",
+      "active": true,
       "created_at":"2019-11-04T08:13:10.507Z",
       "updated_at":"2019-11-04T08:13:10.507Z",
       "scopes":[
@@ -163,6 +165,7 @@ POST /projects/:id/feature_flags
 | `id`                | integer/string   | yes        | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding).       |
 | `name`              | string           | yes        | The name of the feature flag.                                                          |
 | `description`       | string           | no         | The description of the feature flag.                                                   |
+| `active`            | boolean          | no         | The active state of the flag. Defaults to true. [Supported](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/38350) in GitLab 13.3 and later. |
 | `scopes`            | JSON             | no         | The feature flag specs of the feature flag.                                            |
 | `scopes:environment_scope` | string    | no         | The environment spec.                                                                  |
 | `scopes:active`     | boolean          | no         | Whether the spec is active.                                                            |
@@ -187,6 +190,7 @@ Example response:
 {
    "name":"awesome_feature",
    "description":null,
+   "active": true,
    "created_at":"2019-11-04T08:32:27.288Z",
    "updated_at":"2019-11-04T08:32:27.288Z",
    "scopes":[
@@ -247,6 +251,7 @@ Example response:
 {
    "name":"new_live_trace",
    "description":"This is a new live trace feature",
+   "active": true,
    "created_at":"2019-11-04T08:13:10.507Z",
    "updated_at":"2019-11-04T08:13:10.507Z",
    "scopes":[

ee/changelogs/unreleased/add-active-to-ff-api.yml

+---
+title: Add support for active field to feature flags api
+merge_request: 38350
+author:
+type: fixed

ee/lib/api/feature_flags.rb

@@ -40,6 +40,7 @@ module API
         params do
           requires :name, type: String, desc: 'The name of feature flag'
           optional :description, type: String, desc: 'The description of the feature flag'
+          optional :active, type: Boolean, desc: 'Active/inactive value of the flag'
           optional :version, type: String, desc: 'The version of the feature flag'
           optional :scopes, type: Array do
             requires :environment_scope, type: String, desc: 'The environment scope of the scope'
@@ -145,6 +146,7 @@ module API
         end
         params do
           optional :description, type: String, desc: 'The description of the feature flag'
+          optional :active, type: Boolean, desc: 'Active/inactive value of the flag'
           optional :strategies, type: Array do
             optional :id, type: Integer, desc: 'The strategy id'
             optional :name, type: String, desc: 'The strategy type'

ee/lib/ee/api/entities/feature_flag.rb

@@ -6,6 +6,7 @@ module EE
       class FeatureFlag < Grape::Entity
         expose :name
         expose :description
+        expose :active
         expose :version, if: :feature_flags_new_version_enabled
         expose :created_at
         expose :updated_at

ee/spec/fixtures/api/schemas/public_api/v4/feature_flag.json

@@ -4,6 +4,7 @@
   "properties": {
     "name": { "type": "string" },
     "description": { "type": ["string", "null"] },
+    "active": {"type": "boolean" },
     "version": { "type": "string" },
     "created_at": { "type": "date" },
     "updated_at": { "type": "date" },

ee/spec/requests/api/feature_flags_spec.rb

@@ -4,19 +4,21 @@ require 'spec_helper'
 RSpec.describe API::FeatureFlags do
   include FeatureFlagHelpers
 
-  let(:project) { create(:project, :repository) }
-  let(:developer) { create(:user) }
-  let(:reporter) { create(:user) }
+  let_it_be(:project) { create(:project) }
+  let_it_be(:developer) { create(:user) }
+  let_it_be(:reporter) { create(:user) }
+  let_it_be(:non_project_member) { create(:user) }
   let(:user) { developer }
-  let(:non_project_member) { create(:user) }
-
-  before do
-    stub_licensed_features(feature_flags: true)
 
+  before_all do
     project.add_developer(developer)
     project.add_reporter(reporter)
   end
 
+  before do
+    stub_licensed_features(feature_flags: true)
+  end
+
   shared_examples_for 'check user permission' do
     context 'when user is reporter' do
       let(:user) { reporter }
@@ -118,6 +120,7 @@ RSpec.describe API::FeatureFlags do
         expect(json_response).to eq([{
           'name' => 'feature1',
           'description' => nil,
+          'active' => true,
           'version' => 'new_version_flag',
           'updated_at' => feature_flag.updated_at.as_json,
           'created_at' => feature_flag.created_at.as_json,
@@ -207,6 +210,7 @@ RSpec.describe API::FeatureFlags do
         expect(json_response).to eq({
           'name' => 'feature1',
           'description' => nil,
+          'active' => true,
           'version' => 'new_version_flag',
           'updated_at' => feature_flag.updated_at.as_json,
           'created_at' => feature_flag.created_at.as_json,
@@ -298,6 +302,25 @@ RSpec.describe API::FeatureFlags do
       expect(json_response.key?('version')).to eq(false)
     end
 
+    context 'with active set to false in the params for a legacy flag' do
+      let(:params) do
+        {
+          name: 'awesome-feature',
+          version: 'legacy_flag',
+          active: 'false',
+          scopes: [scope_default]
+        }
+      end
+
+      it 'creates an inactive feature flag' do
+        subject
+
+        expect(response).to have_gitlab_http_status(:created)
+        expect(response).to match_response_schema('public_api/v4/feature_flag', dir: 'ee')
+        expect(json_response['active']).to eq(false)
+      end
+    end
+
     context 'when no scopes passed in parameters' do
       let(:params) { { name: 'awesome-feature' } }
 
@@ -370,12 +393,37 @@ RSpec.describe API::FeatureFlags do
 
         expect(response).to have_gitlab_http_status(:created)
         expect(response).to match_response_schema('public_api/v4/feature_flag', dir: 'ee')
+        expect(json_response).to match(hash_including({
+          'name' => 'new-feature',
+          'description' => nil,
+          'active' => true,
+          'version' => 'new_version_flag',
+          'scopes' => [],
+          'strategies' => []
+        }))
 
         feature_flag = project.operations_feature_flags.last
         expect(feature_flag.name).to eq(params[:name])
         expect(feature_flag.version).to eq('new_version_flag')
       end
 
+      it 'creates a new feature flag that is inactive' do
+        params = {
+          name: 'new-feature',
+          version: 'new_version_flag',
+          active: false
+        }
+
+        post api("/projects/#{project.id}/feature_flags", user), params: params
+
+        expect(response).to have_gitlab_http_status(:created)
+        expect(response).to match_response_schema('public_api/v4/feature_flag', dir: 'ee')
+        expect(json_response['active']).to eq(false)
+
+        feature_flag = project.operations_feature_flags.last
+        expect(feature_flag.active).to eq(false)
+      end
+
       it 'creates a new feature flag with strategies' do
         params = {
           name: 'new-feature',
@@ -691,7 +739,7 @@ RSpec.describe API::FeatureFlags do
 
     context 'with a version 2 feature flag' do
       let!(:feature_flag) do
-        create(:operations_feature_flag, :new_version_flag, project: project,
+        create(:operations_feature_flag, :new_version_flag, project: project, active: true,
                name: 'feature1', description: 'old description')
       end
 
@@ -755,6 +803,17 @@ RSpec.describe API::FeatureFlags do
         expect(feature_flag.reload.description).to eq('new description')
       end
 
+      it 'updates the flag active value' do
+        params = { active: false }
+
+        put api("/projects/#{project.id}/feature_flags/feature1", user), params: params
+
+        expect(response).to have_gitlab_http_status(:ok)
+        expect(response).to match_response_schema('public_api/v4/feature_flag', dir: 'ee')
+        expect(json_response['active']).to eq(false)
+        expect(feature_flag.reload.active).to eq(false)
+      end
+
       it 'ignores a provided version parameter' do
         params = { description: 'other description', version: 'bad_value' }
 
@@ -776,6 +835,7 @@ RSpec.describe API::FeatureFlags do
         expect(json_response).to eq({
           'name' => 'feature1',
           'description' => 'new description',
+          'active' => true,
           'created_at' => feature_flag.created_at.as_json,
           'updated_at' => feature_flag.updated_at.as_json,
           'scopes' => [],