add procedure for attaching to running jobs

awx/ui/client/features/output/engine.service.js

@@ -38,6 +38,12 @@ function JobEventEngine ($q) {
         };
     };
 
+    this.setMinLine = min => {
+        if (min > this.lines.min) {
+            this.lines.min = min;
+        }
+    };
+
     this.getBatchFactors = size => {
         const factors = [1];
 
@@ -140,10 +146,6 @@ function JobEventEngine ($q) {
 
     this.renderFrame = events => this.hooks.onEventFrame(events)
         .then(() => {
-            if (this.scroll.isLocked()) {
-                this.scroll.scrollToBottom();
-            }
-
             if (this.isEnding()) {
                 const lastEvents = this.page.emptyBuffer();
 

awx/ui/client/features/output/index.controller.js

@@ -7,8 +7,10 @@ let resource;
 let scroll;
 let engine;
 let status;
+let $http;
 
 let vm;
+let streaming;
 let listeners = [];
 
 function JobsIndexController (
@@ -21,6 +23,7 @@ function JobsIndexController (
     _$compile_,
     _$q_,
     _status_,
+    _$http_,
 ) {
     vm = this || {};
 
@@ -34,6 +37,7 @@ function JobsIndexController (
     render = _render_;
     engine = _engine_;
     status = _status_;
+    $http = _$http_;
 
     // Development helper(s)
     vm.clear = devClear;
@@ -96,15 +100,8 @@ function init () {
         }
     });
 
-    if (!status.state.running) {
-        next();
-        return;
-    }
-
-    resource.model.get(`related.${resource.related}.results`)
-        .forEach(handleJobEvent);
-
-    startListening();
+    streaming = false;
+    return next().then(() => startListening());
 }
 
 function stopListening () {
@@ -123,12 +120,46 @@ function handleStatusEvent (data) {
 }
 
 function handleJobEvent (data) {
-    engine.pushJobEvent(data);
-    status.pushJobEvent(data);
+    streaming = streaming || attachToRunningJob();
+    streaming.then(() => {
+        engine.pushJobEvent(data);
+        status.pushJobEvent(data);
+    });
 }
 
-function devClear () {
-    render.clear().then(() => init());
+function attachToRunningJob () {
+    const target = `${resource.model.get('url')}${resource.related}/`;
+    const params = { order_by: '-created', page_size: resource.page.size };
+
+    scroll.pause();
+
+    return render.clear()
+        .then(() => $http.get(target, { params }))
+        .then(res => {
+            const { results } = res.data;
+
+            const minLine = 1 + Math.max(...results.map(event => event.end_line));
+            const maxCount = Math.max(...results.map(event => event.counter));
+
+            const lastPage = resource.model.updateCount(maxCount);
+
+            page.emptyCache(lastPage);
+            page.addPage(lastPage, [], true);
+
+            engine.setMinLine(minLine);
+
+            if (resource.model.page.current === lastPage) {
+                return $q.resolve();
+            }
+
+            return append(results);
+        })
+        .then(() => {
+            scroll.setScrollPosition(scroll.getScrollHeight());
+            scroll.resume();
+
+            return $q.resolve();
+        });
 }
 
 function next () {
@@ -294,6 +325,10 @@ function toggleExpanded () {
     vm.expanded = !vm.expanded;
 }
 
+function devClear () {
+    render.clear().then(() => init());
+}
+
 // function showHostDetails (id) {
 //     jobEvent.request('get', id)
 //         .then(() => {
@@ -344,6 +379,7 @@ JobsIndexController.$inject = [
     '$compile',
     '$q',
     'JobStatusService',
+    '$http',
 ];
 
 module.exports = JobsIndexController;

awx/ui/client/features/output/status.service.js

@@ -49,48 +49,60 @@ function JobStatusService (moment, message) {
     };
 
     this.pushStatusEvent = data => {
-        const isJobEvent = (this.job === data.unified_job_id);
-        const isProjectEvent = (this.project && (this.project === data.project_id));
+        const isJobStatusEvent = (this.job === data.unified_job_id);
+        const isProjectStatusEvent = (this.project && (this.project === data.project_id));
 
-        if (isJobEvent) {
+        if (isJobStatusEvent) {
             this.setJobStatus(data.status);
-        } else if (isProjectEvent) {
+            this.dispatch();
+        } else if (isProjectStatusEvent) {
             this.setProjectStatus(data.status);
             this.setProjectUpdateId(data.unified_job_id);
+            this.dispatch();
         }
     };
 
     this.pushJobEvent = data => {
         const isLatest = ((!this.counter) || (data.counter > this.counter));
 
+        let changed = false;
+
         if (!this.active && !(data.event === JOB_END)) {
             this.active = true;
             this.setJobStatus('running');
+            changed = true;
         }
 
         if (isLatest) {
             this.counter = data.counter;
             this.latestTime = data.created;
             this.setElapsed(moment(data.created).diff(this.created, 'seconds'));
+            changed = true;
         }
 
         if (data.event === JOB_START) {
             this.setStarted(this.state.started || data.created);
+            changed = true;
         }
 
         if (data.event === PLAY_START) {
             this.state.counts.plays++;
+            changed = true;
         }
 
         if (data.event === TASK_START) {
             this.state.counts.tasks++;
+            changed = true;
         }
 
         if (data.event === JOB_END) {
             this.setStatsEvent(data);
+            changed = true;
         }
 
-        this.dispatch();
+        if (changed) {
+            this.dispatch();
+        }
     };
 
     this.isExpectingStatsEvent = () => (this.jobType === 'job') ||

awx/ui/client/lib/models/Base.js

@@ -398,6 +398,13 @@ function extend (method, related, config = {}) {
     return Promise.reject(new Error(`No related property, ${related}, exists`));
 }
 
+function updateCount (count) {
+    this.page.count = count;
+    this.page.last = Math.ceil(count / this.page.size);
+
+    return this.page.last;
+}
+
 function goToPage (config) {
     const params = config.params || {};
     const { page } = config;
@@ -693,6 +700,7 @@ function BaseModel (resource, settings) {
     this.extend = extend;
     this.copy = copy;
     this.getDependentResourceCounts = getDependentResourceCounts;
+    this.updateCount = updateCount;
 
     this.http = {
         get: httpGet.bind(this),