From 50f703f95aa001bbd01a374286f66c4b5a4ceaf3 Mon Sep 17 00:00:00 2001
From: Steve Azzopardi <sazzopardi@gitlab.com>
Date: Thu, 25 Oct 2018 11:53:00 +0000
Subject: Move job stuck status to backend

---
 app/assets/javascripts/jobs/components/job_app.vue |   6 +-
 .../javascripts/jobs/components/stuck_block.vue    |  16 +--
 app/assets/javascripts/jobs/store/getters.js       |  11 +-
 app/serializers/build_details_entity.rb            |   1 +
 ...r-moving-isjobstuck-verification-to-backend.yml |   5 +
 spec/controllers/projects/jobs_controller_spec.rb  |   2 +
 spec/features/projects/jobs_spec.rb                |  56 ++++++++
 spec/fixtures/api/schemas/job/job_details.json     |   3 +-
 spec/javascripts/jobs/components/job_app_spec.js   | 150 ++++++++++++++-------
 spec/javascripts/jobs/store/getters_spec.js        |  30 ++---
 10 files changed, 192 insertions(+), 88 deletions(-)
 create mode 100644 changelogs/unreleased/52202-consider-moving-isjobstuck-verification-to-backend.yml

diff --git a/app/assets/javascripts/jobs/components/job_app.vue b/app/assets/javascripts/jobs/components/job_app.vue
index ba14aaeed2c..ac19034f69d 100644
--- a/app/assets/javascripts/jobs/components/job_app.vue
+++ b/app/assets/javascripts/jobs/components/job_app.vue
@@ -77,11 +77,11 @@
         'shouldRenderCalloutMessage',
         'shouldRenderTriggeredLabel',
         'hasEnvironment',
-        'isJobStuck',
         'hasTrace',
         'emptyStateIllustration',
         'isScrollingDown',
         'emptyStateAction',
+        'hasRunnersForProject',
       ]),
 
       shouldRenderContent() {
@@ -195,9 +195,9 @@
 
         <!-- Body Section -->
         <stuck-block
-          v-if="isJobStuck"
+          v-if="job.stuck"
           class="js-job-stuck"
-          :has-no-runners-for-project="job.runners.available"
+          :has-no-runners-for-project="hasRunnersForProject"
           :tags="job.tags"
           :runners-path="runnerSettingsUrl"
         />
diff --git a/app/assets/javascripts/jobs/components/stuck_block.vue b/app/assets/javascripts/jobs/components/stuck_block.vue
index a60643b2c65..1d5789b175a 100644
--- a/app/assets/javascripts/jobs/components/stuck_block.vue
+++ b/app/assets/javascripts/jobs/components/stuck_block.vue
@@ -23,14 +23,7 @@ export default {
 <template>
   <div class="bs-callout bs-callout-warning">
     <p
-      v-if="hasNoRunnersForProject"
-      class="js-stuck-no-runners append-bottom-0"
-    >
-      {{ s__(`Job|This job is stuck, because the project
-  doesn't have any runners online assigned to it.`) }}
-    </p>
-    <p
-      v-else-if="tags.length"
+      v-if="tags.length"
       class="js-stuck-with-tags append-bottom-0"
     >
       {{ s__(`This job is stuck, because you don't have
@@ -43,6 +36,13 @@ export default {
         {{ tag }}
       </span>
     </p>
+    <p
+      v-else-if="hasNoRunnersForProject"
+      class="js-stuck-no-runners append-bottom-0"
+    >
+      {{ s__(`Job|This job is stuck, because the project
+  doesn't have any runners online assigned to it.`) }}
+    </p>
     <p
       v-else
       class="js-stuck-no-active-runner append-bottom-0"
diff --git a/app/assets/javascripts/jobs/store/getters.js b/app/assets/javascripts/jobs/store/getters.js
index 4ce395a9106..4de01f8e532 100644
--- a/app/assets/javascripts/jobs/store/getters.js
+++ b/app/assets/javascripts/jobs/store/getters.js
@@ -41,17 +41,10 @@ export const emptyStateIllustration = state =>
   (state.job && state.job.status && state.job.status.illustration) || {};
 
 export const emptyStateAction = state =>  (state.job && state.job.status && state.job.status.action) || {};
-/**
- * When the job is pending and there are no available runners
- * we need to render the stuck block;
- *
- * @returns {Boolean}
- */
-export const isJobStuck = state =>
-  (!_.isEmpty(state.job.status) && state.job.status.group === 'pending') &&
-  (!_.isEmpty(state.job.runners) && state.job.runners.available === false);
 
 export const isScrollingDown = state => isScrolledToBottom() && !state.isTraceComplete;
 
+export const hasRunnersForProject = state => state.job.runners.available && !state.job.runners.online;
+
 // prevent babel-plugin-rewire from generating an invalid default during karma tests
 export default () => {};
diff --git a/app/serializers/build_details_entity.rb b/app/serializers/build_details_entity.rb
index 066a5b1885c..9ddce0d2c80 100644
--- a/app/serializers/build_details_entity.rb
+++ b/app/serializers/build_details_entity.rb
@@ -5,6 +5,7 @@ class BuildDetailsEntity < JobEntity
   expose :tag_list, as: :tags
   expose :has_trace?, as: :has_trace
   expose :stage
+  expose :stuck?, as: :stuck
   expose :user, using: UserEntity
   expose :runner, using: RunnerEntity
   expose :pipeline, using: PipelineEntity
diff --git a/changelogs/unreleased/52202-consider-moving-isjobstuck-verification-to-backend.yml b/changelogs/unreleased/52202-consider-moving-isjobstuck-verification-to-backend.yml
new file mode 100644
index 00000000000..0efd97d91b8
--- /dev/null
+++ b/changelogs/unreleased/52202-consider-moving-isjobstuck-verification-to-backend.yml
@@ -0,0 +1,5 @@
+---
+title: Renders stuck block when runners are stuck
+merge_request:
+author:
+type: fixed
diff --git a/spec/controllers/projects/jobs_controller_spec.rb b/spec/controllers/projects/jobs_controller_spec.rb
index 1484676eea3..2023d4b0bd0 100644
--- a/spec/controllers/projects/jobs_controller_spec.rb
+++ b/spec/controllers/projects/jobs_controller_spec.rb
@@ -297,6 +297,7 @@ describe Projects::JobsController, :clean_gitlab_redis_shared_state do
           expect(response).to match_response_schema('job/job_details')
           expect(json_response['runners']['online']).to be false
           expect(json_response['runners']['available']).to be false
+          expect(json_response['stuck']).to be true
         end
       end
 
@@ -309,6 +310,7 @@ describe Projects::JobsController, :clean_gitlab_redis_shared_state do
           expect(response).to match_response_schema('job/job_details')
           expect(json_response['runners']['online']).to be false
           expect(json_response['runners']['available']).to be true
+          expect(json_response['stuck']).to be true
         end
       end
 
diff --git a/spec/features/projects/jobs_spec.rb b/spec/features/projects/jobs_spec.rb
index c3902ecdd17..b3bea92e635 100644
--- a/spec/features/projects/jobs_spec.rb
+++ b/spec/features/projects/jobs_spec.rb
@@ -721,6 +721,62 @@ describe 'Jobs', :clean_gitlab_redis_shared_state do
         expect(page).not_to have_css('.js-job-sidebar.right-sidebar-collpased')
       end
     end
+
+    context 'stuck', :js do
+      before do
+        visit project_job_path(project, job)
+        wait_for_requests
+      end
+
+      context 'without active runners available' do
+        let(:runner) { create(:ci_runner, :instance, active: false) }
+        let(:job) { create(:ci_build, :pending, pipeline: pipeline, runner: runner) }
+
+        it 'renders message about job being stuck because no runners are active' do
+          expect(page).to have_css('.js-stuck-no-active-runner')
+          expect(page).to have_content("This job is stuck, because you don't have any active runners that can run this job.")
+        end
+      end
+
+      context 'when available runners can not run specified tag' do
+        let(:runner) { create(:ci_runner, :instance, active: false) }
+        let(:job) { create(:ci_build, :pending, pipeline: pipeline, runner: runner, tag_list: %w(docker linux)) }
+
+        it 'renders message about job being stuck because of no runners with the specified tags' do
+          expect(page).to have_css('.js-stuck-with-tags')
+          expect(page).to have_content("This job is stuck, because you don't have any active runners online with any of these tags assigned to them:")
+        end
+      end
+
+      context 'when runners are offline and build has tags' do
+        let(:runner) { create(:ci_runner, :instance, active: true) }
+        let(:job) { create(:ci_build, :pending, pipeline: pipeline, runner: runner, tag_list: %w(docker linux)) }
+
+        it 'renders message about job being stuck because of no runners with the specified tags' do
+          expect(page).to have_css('.js-stuck-with-tags')
+          expect(page).to have_content("This job is stuck, because you don't have any active runners online with any of these tags assigned to them:")
+        end
+      end
+
+      context 'without any runners available' do
+        let(:job) { create(:ci_build, :pending, pipeline: pipeline) }
+
+        it 'renders message about job being stuck because not runners are available' do
+          expect(page).to have_css('.js-stuck-no-active-runner')
+          expect(page).to have_content("This job is stuck, because you don't have any active runners that can run this job.")
+        end
+      end
+
+      context 'without available runners online' do
+        let(:runner) { create(:ci_runner, :instance, active: true) }
+        let(:job) { create(:ci_build, :pending, pipeline: pipeline, runner: runner) }
+
+        it 'renders message about job being stuck because runners are offline' do
+          expect(page).to have_css('.js-stuck-no-runners')
+          expect(page).to have_content("This job is stuck, because the project doesn't have any runners online assigned to it.")
+        end
+      end
+    end
   end
 
   describe "POST /:project/jobs/:id/cancel", :js do
diff --git a/spec/fixtures/api/schemas/job/job_details.json b/spec/fixtures/api/schemas/job/job_details.json
index 8218474705c..cdf7b049ab6 100644
--- a/spec/fixtures/api/schemas/job/job_details.json
+++ b/spec/fixtures/api/schemas/job/job_details.json
@@ -18,6 +18,7 @@
     "runner": { "$ref": "runner.json" },
     "runners": { "$ref": "runners.json" },
     "has_trace": { "type": "boolean" },
-    "stage": { "type": "string" }
+    "stage": { "type": "string" },
+    "stuck": { "type": "boolean" }
   }
 }
diff --git a/spec/javascripts/jobs/components/job_app_spec.js b/spec/javascripts/jobs/components/job_app_spec.js
index e6d403dc826..288c06d6615 100644
--- a/spec/javascripts/jobs/components/job_app_spec.js
+++ b/spec/javascripts/jobs/components/job_app_spec.js
@@ -88,7 +88,9 @@ describe('Job App ', () => {
 
       describe('triggered job', () => {
         beforeEach(() => {
-          mock.onGet(props.endpoint).replyOnce(200, Object.assign({}, job, { started: '2017-05-24T10:59:52.000+01:00' }));
+          mock
+            .onGet(props.endpoint)
+            .replyOnce(200, Object.assign({}, job, { started: '2017-05-24T10:59:52.000+01:00' }));
           vm = mountComponentWithStore(Component, { props, store });
         });
 
@@ -133,57 +135,106 @@ describe('Job App ', () => {
     });
 
     describe('stuck block', () => {
-      it('renders stuck block when there are no runners', done => {
-        mock.onGet(props.endpoint).replyOnce(
-          200,
-          Object.assign({}, job, {
-            status: {
-              group: 'pending',
-              icon: 'status_pending',
-              label: 'pending',
-              text: 'pending',
-              details_path: 'path',
-            },
-            runners: {
-              available: false,
-            },
-          }),
-        );
-        vm = mountComponentWithStore(Component, { props, store });
-
-        setTimeout(() => {
-          expect(vm.$el.querySelector('.js-job-stuck')).not.toBeNull();
+      describe('without active runners availabl', () => {
+        it('renders stuck block when there are no runners', done => {
+          mock.onGet(props.endpoint).replyOnce(
+            200,
+            Object.assign({}, job, {
+              status: {
+                group: 'pending',
+                icon: 'status_pending',
+                label: 'pending',
+                text: 'pending',
+                details_path: 'path',
+              },
+              stuck: true,
+              runners: {
+                available: false,
+                online: false,
+              },
+              tags: [],
+            }),
+          );
+          vm = mountComponentWithStore(Component, { props, store });
 
-          done();
-        }, 0);
+          setTimeout(() => {
+            expect(vm.$el.querySelector('.js-job-stuck')).not.toBeNull();
+            expect(vm.$el.querySelector('.js-job-stuck').textContent).toContain(
+              "This job is stuck, because you don't have any active runners that can run this job.",
+            );
+            done();
+          }, 0);
+        });
       });
 
-      it('renders tags in stuck block when there are no runners', done => {
-        mock.onGet(props.endpoint).replyOnce(
-          200,
-          Object.assign({}, job, {
-            status: {
-              group: 'pending',
-              icon: 'status_pending',
-              label: 'pending',
-              text: 'pending',
-              details_path: 'path',
-            },
-            runners: {
-              available: false,
-            },
-          }),
-        );
+      describe('when available runners can not run specified tag', () => {
+        it('renders tags in stuck block when there are no runners', done => {
+          mock.onGet(props.endpoint).replyOnce(
+            200,
+            Object.assign({}, job, {
+              status: {
+                group: 'pending',
+                icon: 'status_pending',
+                label: 'pending',
+                text: 'pending',
+                details_path: 'path',
+              },
+              stuck: true,
+              runners: {
+                available: false,
+                online: false,
+              },
+            }),
+          );
 
-        vm = mountComponentWithStore(Component, {
-          props,
-          store,
+          vm = mountComponentWithStore(Component, {
+            props,
+            store,
+          });
+
+          setTimeout(() => {
+            expect(vm.$el.querySelector('.js-job-stuck').textContent).toContain(job.tags[0]);
+            expect(vm.$el.querySelector('.js-job-stuck').textContent).toContain(
+              "This job is stuck, because you don't have any active runners online with any of these tags assigned to them:",
+            );
+            done();
+          }, 0);
         });
+      });
 
-        setTimeout(() => {
-          expect(vm.$el.querySelector('.js-job-stuck').textContent).toContain(job.tags[0]);
-          done();
-        }, 0);
+      describe('when runners are offline and build has tags', () => {
+        it('renders message about job being stuck because of no runners with the specified tags', done => {
+          mock.onGet(props.endpoint).replyOnce(
+            200,
+            Object.assign({}, job, {
+              status: {
+                group: 'pending',
+                icon: 'status_pending',
+                label: 'pending',
+                text: 'pending',
+                details_path: 'path',
+              },
+              stuck: true,
+              runners: {
+                available: true,
+                online: true,
+              },
+            }),
+          );
+
+          vm = mountComponentWithStore(Component, {
+            props,
+            store,
+          });
+
+          setTimeout(() => {
+            expect(vm.$el.querySelector('.js-job-stuck').textContent).toContain(job.tags[0]);
+            expect(vm.$el.querySelector('.js-job-stuck').textContent).toContain(
+              "This job is stuck, because you don't have any active runners online with any of these tags assigned to them:",
+            );
+            done();
+          }, 0);
+        })
       });
 
       it('does not renders stuck block when there are no runners', done => {
@@ -418,10 +469,11 @@ describe('Job App ', () => {
         vm.$store.state.trace = 'Update';
 
         setTimeout(() => {
-          expect(vm.$el.querySelector('.js-build-trace').textContent.trim()).not.toContain('Update');
-          expect(vm.$el.querySelector('.js-build-trace').textContent.trim()).toContain(
-            'Different',
+          expect(vm.$el.querySelector('.js-build-trace').textContent.trim()).not.toContain(
+            'Update',
           );
+
+          expect(vm.$el.querySelector('.js-build-trace').textContent.trim()).toContain('Different');
           done();
         }, 0);
       });
diff --git a/spec/javascripts/jobs/store/getters_spec.js b/spec/javascripts/jobs/store/getters_spec.js
index 46a20122ec8..34e9707eadd 100644
--- a/spec/javascripts/jobs/store/getters_spec.js
+++ b/spec/javascripts/jobs/store/getters_spec.js
@@ -175,43 +175,37 @@ describe('Job Store Getters', () => {
     });
   });
 
-  describe('isJobStuck', () => {
-    describe('when job is pending and runners are not available', () => {
+  describe('hasRunnersForProject', () => {
+    describe('with available and offline runners', () => {
       it('returns true', () => {
-        localState.job.status = {
-          group: 'pending',
-        };
         localState.job.runners = {
-          available: false,
+          available: true,
+          online: false
         };
 
-        expect(getters.isJobStuck(localState)).toEqual(true);
+        expect(getters.hasRunnersForProject(localState)).toEqual(true);
       });
     });
 
-    describe('when job is not pending', () => {
+    describe('with non available runners', () => {
       it('returns false', () => {
-        localState.job.status = {
-          group: 'running',
-        };
         localState.job.runners = {
           available: false,
+          online: false
         };
 
-        expect(getters.isJobStuck(localState)).toEqual(false);
+        expect(getters.hasRunnersForProject(localState)).toEqual(false);
       });
     });
 
-    describe('when runners are available', () => {
+    describe('with online runners', () => {
       it('returns false', () => {
-        localState.job.status = {
-          group: 'pending',
-        };
         localState.job.runners = {
-          available: true,
+          available: false,
+          online: true
         };
 
-        expect(getters.isJobStuck(localState)).toEqual(false);
+        expect(getters.hasRunnersForProject(localState)).toEqual(false);
       });
     });
   });
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