Remove environments REST API endpoint

Environments dropdown in monitoring dashboard uses
GraphQL instead of REST API. This MR removes all
occurences of envs REST API

app/assets/javascripts/monitoring/components/dashboard.vue

@@ -132,11 +132,6 @@ export default {
       type: String,
       required: true,
     },
-    environmentsEndpoint: {
-      type: String,
-      required: false,
-      default: '',
-    },
     currentEnvironmentName: {
       type: String,
       required: true,
@@ -218,9 +213,7 @@ export default {
     ]),
     ...mapGetters('monitoringDashboard', ['getMetricStates', 'filteredEnvironments']),
     firstDashboard() {
-      return this.environmentsEndpoint.length > 0 && this.allDashboards.length > 0
-        ? this.allDashboards[0]
-        : {};
+      return this.allDashboards.length > 0 ? this.allDashboards[0] : {};
     },
     selectedDashboard() {
       return this.allDashboards.find(d => d.path === this.currentDashboard) || this.firstDashboard;
@@ -246,7 +239,6 @@ export default {
   created() {
     this.setEndpoints({
       metricsEndpoint: this.metricsEndpoint,
-      environmentsEndpoint: this.environmentsEndpoint,
       deploymentsEndpoint: this.deploymentsEndpoint,
       dashboardEndpoint: this.dashboardEndpoint,
       dashboardsEndpoint: this.dashboardsEndpoint,

app/assets/javascripts/monitoring/stores/mutations.js

@@ -172,7 +172,6 @@ export default {
 
   [types.SET_ENDPOINTS](state, endpoints) {
     state.metricsEndpoint = endpoints.metricsEndpoint;
-    state.environmentsEndpoint = endpoints.environmentsEndpoint;
     state.deploymentsEndpoint = endpoints.deploymentsEndpoint;
     state.dashboardEndpoint = endpoints.dashboardEndpoint;
     state.dashboardsEndpoint = endpoints.dashboardsEndpoint;

app/assets/javascripts/monitoring/stores/state.js

@@ -2,7 +2,6 @@ import invalidUrl from '~/lib/utils/invalid_url';
 
 export default () => ({
   metricsEndpoint: null,
-  environmentsEndpoint: null,
   deploymentsEndpoint: null,
   dashboardEndpoint: invalidUrl,
   emptyState: 'gettingStarted',

app/helpers/environments_helper.rb

@@ -33,7 +33,6 @@ module EnvironmentsHelper
       "dashboard-endpoint" => metrics_dashboard_project_environment_path(project, environment, format: :json),
       "deployments-endpoint" => project_environment_deployments_path(project, environment, format: :json),
       "default-branch" => project.default_branch,
-      "environments-endpoint": project_environments_path(project, format: :json),
       "project-path" => project_path(project),
       "tags-path" => project_tags_path(project),
       "has-metrics" => "#{environment.has_metrics?}",

spec/frontend/monitoring/init_utils.js

@@ -23,7 +23,6 @@ export const propsData = {
   emptyNoDataSvgPath: '/path/to/no-data.svg',
   emptyNoDataSmallSvgPath: '/path/to/no-data-small.svg',
   emptyUnableToConnectSvgPath: '/path/to/unable-to-connect.svg',
-  environmentsEndpoint: '/root/hello-prometheus/-/environments.json',
   currentEnvironmentName: 'production',
   customMetricsAvailable: false,
   customMetricsPath: '',

spec/frontend/monitoring/store/actions_spec.js

@@ -159,7 +159,6 @@ describe('Monitoring store actions', () => {
         {
           metricsEndpoint: 'additional_metrics.json',
           deploymentsEndpoint: 'deployments.json',
-          environmentsEndpoint: 'deployments.json',
         },
         mockedState,
         [
@@ -168,7 +167,6 @@ describe('Monitoring store actions', () => {
             payload: {
               metricsEndpoint: 'additional_metrics.json',
               deploymentsEndpoint: 'deployments.json',
-              environmentsEndpoint: 'deployments.json',
             },
           },
         ],

spec/frontend/monitoring/store/mutations_spec.js

@@ -81,13 +81,11 @@ describe('Monitoring mutations', () => {
     it('should set all the endpoints', () => {
       mutations[types.SET_ENDPOINTS](stateCopy, {
         metricsEndpoint: 'additional_metrics.json',
-        environmentsEndpoint: 'environments.json',
         deploymentsEndpoint: 'deployments.json',
         dashboardEndpoint: 'dashboard.json',
         projectPath: '/gitlab-org/gitlab-foss',
       });
       expect(stateCopy.metricsEndpoint).toEqual('additional_metrics.json');
-      expect(stateCopy.environmentsEndpoint).toEqual('environments.json');
       expect(stateCopy.deploymentsEndpoint).toEqual('deployments.json');
       expect(stateCopy.dashboardEndpoint).toEqual('dashboard.json');
       expect(stateCopy.projectPath).toEqual('/gitlab-org/gitlab-foss');

spec/helpers/environments_helper_spec.rb

@@ -29,7 +29,6 @@ describe EnvironmentsHelper do
         'metrics-endpoint' => additional_metrics_project_environment_path(project, environment, format: :json),
         'deployments-endpoint' => project_environment_deployments_path(project, environment, format: :json),
         'default-branch' => 'master',
-        'environments-endpoint': project_environments_path(project, format: :json),
         'project-path' => project_path(project),
         'tags-path' => project_tags_path(project),
         'has-metrics' => "#{environment.has_metrics?}",

spec/javascripts/monitoring/components/dashboard_resize_spec.js

@@ -30,7 +30,6 @@ const propsData = {
   emptyNoDataSvgPath: '/path/to/no-data.svg',
   emptyNoDataSmallSvgPath: '/path/to/no-data-small.svg',
   emptyUnableToConnectSvgPath: '/path/to/unable-to-connect.svg',
-  environmentsEndpoint: '/root/hello-prometheus/environments/35',
   currentEnvironmentName: 'production',
   customMetricsAvailable: false,
   customMetricsPath: '',