Merge branch 'send-incremental-build-log' into 'master'

Update build log incrementally

Proof of concept implementation of incremental sending of build log to browser.

cc @jschatz1 @vsizov @grzesiek @tmaczukin 


See merge request !3737

4 files changed, 33 insertions, 11 deletions

diff --git a/app/assets/javascripts/ci/build.coffee b/app/assets/javascripts/ci/build.coffee
index 7afe8bf79e2..fca0c3bae5c 100644
--- a/app/assets/javascripts/ci/build.coffee
+++ b/app/assets/javascripts/ci/build.coffee
@@ -1,9 +1,12 @@
 class CiBuild
   @interval: null
+  @state: null
 
-  constructor: (build_url, build_status) ->
+  constructor: (build_url, build_status, build_state) ->
     clearInterval(CiBuild.interval)
 
+    @state = build_state
+
     @initScrollButtonAffix()
 
     if build_status == "running" || build_status == "pending"
@@ -26,14 +29,18 @@ class CiBuild
       CiBuild.interval = setInterval =>
         if window.location.href.split("#").first() is build_url
           $.ajax
-            url: build_url
+            url: build_url + "/trace.json?state=" + encodeURIComponent(@state)
             dataType: "json"
-            success: (build) =>
-              if build.status == "running"
-                $('#build-trace code').html build.trace_html
-                $('#build-trace code').append '<i class="fa fa-refresh fa-spin"/>'
+            success: (log) =>
+              @state = log.state
+              if log.status is "running"
+                if log.append
+                  $('.fa-refresh').before log.html
+                else
+                  $('#build-trace code').html log.html
+                  $('#build-trace code').append '<i class="fa fa-refresh fa-spin"/>'
                 @checkAutoscroll()
-              else if build.status != build_status
+              else if log.status isnt build_status
                 Turbolinks.visit build_url
       , 4000
 
diff --git a/app/controllers/projects/builds_controller.rb b/app/controllers/projects/builds_controller.rb
index b8b9e78427d..bb1f6c5e980 100644
--- a/app/controllers/projects/builds_controller.rb
+++ b/app/controllers/projects/builds_controller.rb
@@ -38,6 +38,14 @@ class Projects::BuildsController < Projects::ApplicationController
     end
   end
 
+  def trace
+    respond_to do |format|
+      format.json do
+        render json: @build.trace_with_state(params[:state]).merge!(id: @build.id, status: @build.status)
+      end
+    end
+  end
+
   def retry
     unless @build.retryable?
       return render_404
diff --git a/app/models/ci/build.rb b/app/models/ci/build.rb
index c9506dd3057..4a3f92ad34a 100644
--- a/app/models/ci/build.rb
+++ b/app/models/ci/build.rb
@@ -95,8 +95,12 @@ module Ci
     end
 
     def trace_html
-      html = Ci::Ansi2html::convert(trace) if trace.present?
-      html || ''
+      trace_with_state[:html] || ''
+    end
+
+    def trace_with_state(state = nil)
+      trace_with_state = Ci::Ansi2html::convert(trace, state) if trace.present?
+      trace_with_state || {}
     end
 
     def timeout
diff --git a/app/views/projects/builds/show.html.haml b/app/views/projects/builds/show.html.haml
index c0f7a7686f0..c7b9c36a3ab 100644
--- a/app/views/projects/builds/show.html.haml
+++ b/app/views/projects/builds/show.html.haml
@@ -1,5 +1,6 @@
 - page_title "#{@build.name} (##{@build.id})", "Builds"
 = render "header_title"
+- trace_with_state = @build.trace_with_state
 
 .build-page
   .row-content-block.top-block
@@ -85,7 +86,9 @@
         %pre.trace#build-trace
           %code.bash
             = preserve do
-              = raw @build.trace_html
+              = raw trace_with_state[:html]
+              - if @build.active?
+                %i{:class => "fa fa-refresh fa-spin"}
 
       %div#down-build-trace
 
@@ -216,4 +219,4 @@
 
 
   :javascript
-    new CiBuild("#{namespace_project_build_url(@project.namespace, @project, @build)}", "#{@build.status}")
+    new CiBuild("#{namespace_project_build_url(@project.namespace, @project, @build)}", "#{@build.status}", "#{trace_with_state[:state]}")