feat(be): feat(fe): add websocket for task logs

Additionally:
- Added link for running task, https://github.com/ansible-semaphore/semaphore/issues/481
- Added class Listenable and unit tests for it

.gitignore

@@ -5,6 +5,7 @@ web/public/css/*.*
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web2/package-lock.json

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+          "dev": true,
+          "requires": {
+            "semver": "^6.0.0"
+          }
+        },
+        "rimraf": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
+          "integrity": "sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==",
+          "dev": true,
+          "requires": {
+            "glob": "^7.1.3"
+          }
+        },
+        "semver": {
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
+          "dev": true
+        },
+        "which": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
+          "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
+          "dev": true,
+          "requires": {
+            "isexe": "^2.0.0"
+          }
+        }
+      }
+    },
     "spdx-correct": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.1.1.tgz",
@@ -12827,6 +13541,17 @@
         }
       }
     },
+    "test-exclude": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/test-exclude/-/test-exclude-6.0.0.tgz",
+      "integrity": "sha512-cAGWPIyOHU6zlmg88jwm7VRyXnMN7iV68OGAbYDk/Mh/xC/pzVPlQtY6ngoIH/5/tciuhGfvESU8GrHrcxD56w==",
+      "dev": true,
+      "requires": {
+        "@istanbuljs/schema": "^0.1.2",
+        "glob": "^7.1.4",
+        "minimatch": "^3.0.4"
+      }
+    },
     "text-table": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
@@ -13107,6 +13832,15 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
       "dev": true
     },
+    "typedarray-to-buffer": {
+      "version": "3.1.5",
+      "resolved": "https://registry.npmjs.org/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz",
+      "integrity": "sha512-zdu8XMNEDepKKR+XYOXAVPtWui0ly0NtohUscw+UmaHiAWT8hrV1rr//H6V+0DvJ3OQ19S979M0laLfX8rm82Q==",
+      "dev": true,
+      "requires": {
+        "is-typedarray": "^1.0.0"
+      }
+    },
     "uglify-js": {
       "version": "3.4.10",
       "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.4.10.tgz",
@@ -14275,6 +15009,18 @@
         "mkdirp": "^0.5.1"
       }
     },
+    "write-file-atomic": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-3.0.3.tgz",
+      "integrity": "sha512-AvHcyZ5JnSfq3ioSyjrBkH9yW4m7Ayk8/9My/DD9onKeu/94fwrMocemO2QAJFAlnnDN+ZDS+ZjAR5ua1/PV/Q==",
+      "dev": true,
+      "requires": {
+        "imurmurhash": "^0.1.4",
+        "is-typedarray": "^1.0.0",
+        "signal-exit": "^3.0.2",
+        "typedarray-to-buffer": "^3.1.5"
+      }
+    },
     "ws": {
       "version": "7.3.1",
       "resolved": "https://registry.npmjs.org/ws/-/ws-7.3.1.tgz",

web2/package.json

@@ -30,6 +30,7 @@
     "eslint-plugin-import": "^2.20.2",
     "eslint-plugin-vue": "^6.2.2",
     "node-sass": "^4.12.0",
+    "nyc": "^15.1.0",
     "sass": "^1.19.0",
     "sass-loader": "^8.0.2",
     "vue-cli-plugin-vuetify": "~2.0.7",

web2/src/App.vue

@@ -42,6 +42,7 @@
       v-model="taskLogDialog"
       save-button-text="Delete"
       :max-width="800"
+      @close="onTaskLogDialogClosed()"
     >
       <template v-slot:title={}>
         <router-link
@@ -486,6 +487,17 @@ export default {
         await this.$router.push({ path: '/project/new' });
       }
     },
+
+    async $route(val) {
+      if (val.query.t == null) {
+        this.taskLogDialog = false;
+      } else {
+        const taskId = parseInt(this.$route.query.t || '', 10);
+        if (taskId) {
+          EventBus.$emit('i-show-task', { taskId });
+        }
+      }
+    },
   },
 
   computed: {
@@ -512,7 +524,7 @@ export default {
     }
 
     try {
-      await this.init();
+      await this.reloadData();
       this.state = 'success';
     } catch (err) { // notify about problem and sign out
       EventBus.$emit('i-snackbar', {
@@ -535,7 +547,7 @@ export default {
     });
 
     EventBus.$on('i-session-create', async () => {
-      await this.init();
+      await this.reloadData();
       await this.trySelectMostSuitableProject();
     });
 
@@ -548,6 +560,11 @@ export default {
     });
 
     EventBus.$on('i-show-task', async (e) => {
+      if (parseInt(this.$route.query.t || '', 10) !== e.taskId) {
+        const query = { ...this.$route.query, t: e.taskId };
+        await this.$router.replace({ query });
+      }
+
       this.task = (await axios({
         method: 'get',
         url: `/api/project/${this.projectId}/tasks/${e.taskId}`,
@@ -637,7 +654,12 @@ export default {
   },
 
   methods: {
-    async init() {
+    async onTaskLogDialogClosed() {
+      const query = { ...this.$route.query, t: undefined };
+      await this.$router.replace({ query });
+    },
+
+    async reloadData() {
       await this.loadUserInfo();
       await this.loadProjects();
 
@@ -649,9 +671,10 @@ export default {
       }
 
       if (this.$route.query.t) {
-        EventBus.$emit('i-show-task', {
+        const taskId = parseInt(this.$route.query.t || '', 10);
-          itemId: parseInt(this.$route.query.t || '', 10),
+        if (taskId) {
-        });
+          EventBus.$emit('i-show-task', { taskId });
+        }
       }
     },
 

web2/src/components/EditDialog.vue

@@ -95,6 +95,7 @@ export default {
           EventBus.$emit(this.eventName, e);
         }
       }
+      this.$emit('close');
     },
 
     clearFlags() {

web2/src/components/IndeterminateProgressCircular.vue

@@ -17,9 +17,11 @@
   }
 </style>
 <script>
-class IndeterminateTimer {
+import Listenable from '@/lib/Listenable';
+
+class IndeterminateTimer extends Listenable {
   constructor() {
-    this.listeners = {};
+    super();
     this.direction = 1;
     this.value = 0;
     this.rotate = 0;
@@ -47,12 +49,9 @@ class IndeterminateTimer {
         self.rotate %= 360;
       }
 
-      Object.keys(self.listeners).forEach((id) => {
+      self.callListeners({
-        const listener = self.listeners[id];
+        value: self.value,
-        listener({
+        rotate: self.rotate,
-          value: self.value,
-          rotate: self.rotate,
-        });
       });
     }, 50);
   }
@@ -62,17 +61,15 @@ class IndeterminateTimer {
   }
 
   addListener(callback) {
-    if (Object.keys(this.listeners).length === 0) {
+    if (!this.hasListeners()) {
       this.start();
     }
-    const id = Math.floor(Math.random() * 100000000);
+    return super.addListener(callback);
-    this.listeners[id] = callback;
-    return id;
   }
 
   removeListener(id) {
-    delete this.listeners[id];
+    super.removeListener(id);
-    if (Object.keys(this.listeners).length === 0) {
+    if (!this.hasListeners()) {
       this.stop();
     }
   }

web2/src/components/TaskForm.vue

@@ -40,6 +40,17 @@ export default {
   props: {
     templateId: Number,
   },
+  watch: {
+    needReset(val) {
+      if (val) {
+        this.item.template_id = this.templateId;
+      }
+    },
+
+    templateId(val) {
+      this.item.template_id = val;
+    },
+  },
   created() {
     this.item.template_id = this.templateId;
   },

web2/src/components/TaskLogView.vue

@@ -47,7 +47,7 @@
     </v-container>
     <div class="task-log-view">
       <div class="task-log-view__record" v-for="record in output" :key="record.id">
-        <div class="task-log-view__time">{{ record.time }}</div>
+        <div class="task-log-view__time">{{ record.time | formatTime }}</div>
         <div class="task-log-view__output">{{ record.output }}</div>
       </div>
     </div>
@@ -69,7 +69,7 @@
   }
 
   .task-log-view__time {
-    width: 250px;
+    width: 150px;
   }
 
   .task-log-view__output {
@@ -79,6 +79,7 @@
 <script>
 import axios from 'axios';
 import TaskStatus from '@/components/TaskStatus.vue';
+import socket from '@/socket';
 
 export default {
   components: { TaskStatus },
@@ -105,8 +106,10 @@ export default {
     },
   },
   async created() {
+    socket.addListener((data) => this.onDataReceive(data));
     await this.loadData();
   },
+
   methods: {
     reset() {
       this.item = {};
@@ -114,6 +117,26 @@ export default {
       this.user = {};
     },
 
+    onDataReceive(data) {
+      if (data.project_id !== this.projectId || data.task_id !== this.itemId) {
+        return;
+      }
+
+      switch (data.type) {
+        case 'update':
+          Object.assign(this.item, {
+            ...data,
+            type: undefined,
+          });
+          break;
+        case 'log':
+          this.output.push(data);
+          break;
+        default:
+          break;
+      }
+    },
+
     async loadData() {
       this.item = (await axios({
         method: 'get',

web2/src/components/TaskStatus.vue

@@ -1,5 +1,5 @@
 <template>
-  <v-chip style="font-weight: bold;" :color="getStatusColor(status)">
+  <v-chip v-if="status" style="font-weight: bold;" :color="getStatusColor(status)">
     <v-icon v-if="status !== 'running'" left>{{ getStatusIcon(status) }}</v-icon>
     <IndeterminateProgressCircular v-else style="margin-left: -5px;" />
     {{ humanizeStatus(status) }}

web2/src/lib/Listenable.js

@@ -0,0 +1,31 @@
+export default class Listenable {
+  constructor() {
+    this.listeners = {};
+  }
+
+  addListener(callback) {
+    // eslint-disable-next-line symbol-description
+    const id = Symbol();
+    this.listeners[id] = callback;
+    return id;
+  }
+
+  removeListener(id) {
+    if (this.listeners[id] == null) {
+      return false;
+    }
+    delete this.listeners[id];
+    return true;
+  }
+
+  callListeners(data) {
+    Object.getOwnPropertySymbols(this.listeners).forEach((id) => {
+      const listener = this.listeners[id];
+      listener(data);
+    });
+  }
+
+  hasListeners() {
+    return Object.keys(this.listeners).length > 0;
+  }
+}

web2/src/lib/PubSub.js

@@ -0,0 +1,30 @@
+import Listenable from '@/lib/Listenable';
+
+export default class PubSub {
+  constructor() {
+    this.topics = {};
+  }
+
+  subscribe(topic, callback) {
+    if (this.topics[topic] == null) {
+      this.topics[topic] = new Listenable();
+    }
+    return this.topics[topic].addListener(callback);
+  }
+
+  unsubscribe(id) {
+    // eslint-disable-next-line no-restricted-syntax
+    for (const topic in this.topics) {
+      if (this.topics[topic].removeListener(id)) {
+        break;
+      }
+    }
+  }
+
+  publish(topic, data) {
+    if (!this.topics[topic]) {
+      return;
+    }
+    this.topics[topic].callListeners(data);
+  }
+}

web2/src/lib/Socket.js

@@ -0,0 +1,48 @@
+import Listenable from '@/lib/Listenable';
+
+export default class Socket extends Listenable {
+  constructor(websocketCreator) {
+    super();
+    this.websocketCreator = websocketCreator;
+  }
+
+  start() {
+    if (this.ws != null) {
+      throw new Error('Websocket already started. Please stop it before starting.');
+    }
+    this.ws = this.websocketCreator();
+    this.ws.onclose = () => {
+      setTimeout(() => {
+        this.start();
+      }, 2000);
+    };
+    this.ws.onmessage = ({ data }) => {
+      try {
+        this.callListeners(JSON.parse(data));
+      } catch (e) {
+        console.error(e);
+      }
+    };
+  }
+
+  stop() {
+    this.ws.close();
+    delete this.ws;
+  }
+
+  addListener(callback) {
+    const isFirstListener = !this.hasListeners();
+    const listenerId = super.addListener(callback);
+    if (isFirstListener) {
+      this.start();
+    }
+    return listenerId;
+  }
+
+  removeListener(id) {
+    super.removeListener(id);
+    if (!this.hasListeners()) {
+      this.stop();
+    }
+  }
+}

web2/src/main.js

@@ -7,6 +7,7 @@ import vuetify from './plugins/vuetify';
 Vue.config.productionTip = false;
 
 Vue.filter('formatDate', (value) => (value ? moment(String(value)).fromNow() : '—'));
+Vue.filter('formatTime', (value) => (value ? moment(String(value)).format('LTS') : '—'));
 Vue.filter('formatMilliseconds', (value) => (value ? moment.duration(parseInt(value, 10), 'milliseconds').humanize() : undefined));
 
 new Vue({

web2/src/socket.js

@@ -0,0 +1,6 @@
+import Socket from '@/lib/Socket';
+
+export default new Socket(() => {
+  const protocol = document.location.protocol === 'https:' ? 'wss' : 'ws';
+  return new WebSocket(`${protocol}://${document.location.host}/api/ws`);
+});

web2/src/views/project/Inventory.vue

@@ -71,9 +71,11 @@
 </template>
 <script>
 import ItemListPageBase from '@/components/ItemListPageBase';
+import InventoryForm from '@/components/InventoryForm.vue';
 
 export default {
   mixins: [ItemListPageBase],
+  components: { InventoryForm },
   methods: {
     getHeaders() {
       return [{

web2/src/views/project/Keys.vue

@@ -49,8 +49,6 @@
           <v-btn
             icon
             class="mr-1"
-            v-bind="attrs"
-            v-on="on"
             @click="askDeleteItem(item.id)"
           >
             <v-icon>mdi-delete</v-icon>
@@ -59,8 +57,6 @@
           <v-btn
             icon
             class="mr-1"
-            v-bind="attrs"
-            v-on="on"
             @click="editItem(item.id)"
           >
             <v-icon>mdi-pencil</v-icon>

web2/src/views/project/Templates.vue

@@ -28,8 +28,14 @@
       v-model="newTaskDialog"
       save-button-text="Run"
       title="New Task"
-      @save="onTaskCreate"
+      @save="onTaskCreated"
     >
+      <template v-slot:title={}>
+        <span class="breadcrumbs__item">{{ templateAlias }}</span>
+        <v-icon>mdi-chevron-right</v-icon>
+        <span class="breadcrumbs__item">New Task</span>
+      </template>
+
       <template v-slot:form="{ onSave, onError, needSave, needReset }">
         <TaskForm
           :project-id="projectId"
@@ -129,6 +135,13 @@ export default {
   },
 
   computed: {
+    templateAlias() {
+      if (this.itemId == null || this.itemId === 'new') {
+        return '';
+      }
+      return this.items.find((x) => x.id === this.itemId).alias;
+    },
+
     isLoaded() {
       return this.items
         && this.keys
@@ -139,7 +152,7 @@ export default {
   },
 
   methods: {
-    onTaskCreate(e) {
+    onTaskCreated(e) {
       EventBus.$emit('i-show-task', {
         taskId: e.item.id,
       });

web2/tests/unit/example.spec.js

@@ -1,13 +1,10 @@
 import { expect } from 'chai';
 import { shallowMount } from '@vue/test-utils';
-import HelloWorld from '@/components/HelloWorld.vue';
+import YesNoDialog from '@/components/YesNoDialog.vue';
 
-describe('HelloWorld.vue', () => {
+describe('YesNoDialog.vue', () => {
   it('renders props.msg when passed', () => {
-    const msg = 'new message';
+    const wrapper = shallowMount(YesNoDialog);
-    const wrapper = shallowMount(HelloWorld, {
+    expect(wrapper.text()).to.include('Cancel  Yes');
-      propsData: { msg },
-    });
-    expect(wrapper.text()).to.include(msg);
   });
 });

web2/tests/unit/lib/Listenable.spec.js

@@ -0,0 +1,34 @@
+/* eslint-disable symbol-description */
+/* eslint-disable no-unused-expressions */
+import { expect } from 'chai';
+import Listenable from '@/lib/Listenable';
+
+describe('Listenable', () => {
+  it('Should add listener', () => {
+    const listenable = new Listenable();
+    const listenerId = listenable.addListener(() => {});
+    expect(listenable.listeners[listenerId]).to.be.ok;
+  });
+
+  it('Should remove listener', () => {
+    const listenable = new Listenable();
+    const listenerId = Symbol();
+    listenable.listeners[listenerId] = () => {};
+    listenable.removeListener(listenerId);
+    expect(listenable.listeners[listenerId]).to.be.undefined;
+  });
+
+  it('Should call listener', () => {
+    const listenable = new Listenable();
+    let d;
+    listenable.addListener((data) => {
+      d = data;
+    });
+    listenable.callListeners({
+      ok: true,
+    });
+    expect(d).to.eql({
+      ok: true,
+    });
+  });
+});

web2/tests/unit/lib/Socket.spec.js

@@ -0,0 +1,13 @@
+/* eslint-disable symbol-description */
+/* eslint-disable no-unused-expressions */
+import { expect } from 'chai';
+import Socket from '@/lib/Socket';
+
+describe('Socket', () => {
+  it('Should add listener', () => {
+    const socket = new Socket(() => ({
+      close: () => {},
+    }));
+    expect(socket.ws).to.be.ok;
+  });
+});