Merge branch '23205-information-about-environments-build-page' into 'master'

Add environment info to builds page

![Screen_Shot_2016-11-02_at_5.44.01_PM](/uploads/3443d9518997147d1e6f41830e3774ff/Screen_Shot_2016-11-02_at_5.44.01_PM.png)

Closes #23205

See merge request !7251

5 files changed, 97 insertions, 3 deletions

diff --git a/app/assets/stylesheets/pages/builds.scss b/app/assets/stylesheets/pages/builds.scss
index 5320f3aba66..48f11eb2552 100644
--- a/app/assets/stylesheets/pages/builds.scss
+++ b/app/assets/stylesheets/pages/builds.scss
@@ -40,6 +40,19 @@
       margin-bottom: 10px;
     }
   }
+
+  .environment-information {
+    background-color: $background-color;
+    border: 1px solid $border-color;
+    padding: 12px $gl-padding;
+    border-radius: $border-radius-default;
+
+    svg {
+      position: relative;
+      top: 1px;
+      margin-right: 5px;
+    }
+  }
 }
 
 .build-header {
diff --git a/app/helpers/environment_helper.rb b/app/helpers/environment_helper.rb
new file mode 100644
index 00000000000..27975b7ddb7
--- /dev/null
+++ b/app/helpers/environment_helper.rb
@@ -0,0 +1,29 @@
+module EnvironmentHelper
+  def environment_for_build(project, build)
+    return unless build.environment
+
+    project.environments.find_by(name: build.expanded_environment_name)
+  end
+
+  def environment_link_for_build(project, build)
+    environment = environment_for_build(project, build)
+    if environment
+      link_to environment.name, namespace_project_environment_path(project.namespace, project, environment)
+    else
+      content_tag :span, build.expanded_environment_name
+    end
+  end
+
+  def deployment_link(deployment)
+    return unless deployment
+
+    link_to "##{deployment.iid}", [deployment.project.namespace.becomes(Namespace), deployment.project, deployment.deployable]
+  end
+
+  def last_deployment_link_for_environment_build(project, build)
+    environment = environment_for_build(project, build)
+    return unless environment
+
+    deployment_link(environment.last_deployment)
+  end
+end
diff --git a/app/models/ci/build.rb b/app/models/ci/build.rb
index 33612256540..5d2e7d94190 100644
--- a/app/models/ci/build.rb
+++ b/app/models/ci/build.rb
@@ -7,6 +7,8 @@ module Ci
     belongs_to :trigger_request
     belongs_to :erased_by, class_name: 'User'
 
+    has_many :deployments, as: :deployable
+
     serialize :options
     serialize :yaml_variables
 
@@ -125,6 +127,34 @@ module Ci
       !self.pipeline.statuses.latest.include?(self)
     end
 
+    def expanded_environment_name
+      ExpandVariables.expand(environment, variables) if environment
+    end
+
+    def has_environment?
+      self.environment.present?
+    end
+
+    def starts_environment?
+      has_environment? && self.environment_action == 'start'
+    end
+
+    def stops_environment?
+      has_environment? && self.environment_action == 'stop'
+    end
+
+    def environment_action
+      self.options.fetch(:environment, {}).fetch(:action, 'start')
+    end
+
+    def outdated_deployment?
+      success? && !last_deployment.try(:last?)
+    end
+
+    def last_deployment
+      deployments.last
+    end
+
     def depends_on_builds
       # Get builds of the same type
       latest_builds = self.pipeline.builds.latest
diff --git a/app/views/projects/builds/show.html.haml b/app/views/projects/builds/show.html.haml
index f533eec642e..d8cbfd7173a 100644
--- a/app/views/projects/builds/show.html.haml
+++ b/app/views/projects/builds/show.html.haml
@@ -26,6 +26,30 @@
             = link_to namespace_project_runners_path(@build.project.namespace, @build.project) do
               Runners page
 
+    - if @build.starts_environment?
+      .prepend-top-default
+        .environment-information
+          - if @build.outdated_deployment?
+            = ci_icon_for_status('success_with_warnings')
+          - else
+            = ci_icon_for_status(@build.status)
+
+          - environment = environment_for_build(@build.project, @build)
+          - if @build.success? && @build.last_deployment.present?
+            - if @build.last_deployment.last?
+              This build is the most recent deployment to #{environment_link_for_build(@build.project, @build)}.
+            - else
+              This build is an out-of-date deployment to #{environment_link_for_build(@build.project, @build)}.
+              - if environment.last_deployment
+                View the most recent deployment #{deployment_link(environment.last_deployment)}.
+          - elsif @build.complete? && !@build.success?
+            The deployment of this build to #{environment_link_for_build(@build.project, @build)} did not succeed.
+          - else
+            This build is creating a deployment to #{environment_link_for_build(@build.project, @build)}
+            - if environment.last_deployment
+              and will overwrite the
+              = link_to 'latest deployment', deployment_link(environment.last_deployment)
+
     .prepend-top-default
       - if @build.erased?
         .erased.alert.alert-warning
diff --git a/app/workers/build_success_worker.rb b/app/workers/build_success_worker.rb
index e0ad5268664..e17add7421f 100644
--- a/app/workers/build_success_worker.rb
+++ b/app/workers/build_success_worker.rb
@@ -4,15 +4,13 @@ class BuildSuccessWorker
 
   def perform(build_id)
     Ci::Build.find_by(id: build_id).try do |build|
-      create_deployment(build)
+      create_deployment(build) if build.has_environment?
     end
   end
 
   private
 
   def create_deployment(build)
-    return if build.environment.blank?
-
     service = CreateDeploymentService.new(
       build.project, build.user,
       environment: build.environment,