Add an action to run the checks

6 files changed, 83 insertions, 0 deletions

diff --git a/app/controllers/health_checks_controller.rb b/app/controllers/health_checks_controller.rb
new file mode 100644
index 000000000..473a1aacc
--- /dev/null
+++ b/app/controllers/health_checks_controller.rb
@@ -0,0 +1,16 @@
+class HealthChecksController < ApplicationController
+
+  def index
+    @health_checks = HealthChecks.all
+
+    respond_to do |format|
+      if HealthChecks.ok?
+        format.html  { render :action => :index, :layout => false }
+      else
+        format.html  { render :action => :index, :layout => false , :status => 500 }
+      end
+    end
+
+  end
+
+end
diff --git a/app/helpers/health_checks_helper.rb b/app/helpers/health_checks_helper.rb
new file mode 100644
index 000000000..f5769a9ba
--- /dev/null
+++ b/app/helpers/health_checks_helper.rb
@@ -0,0 +1,8 @@
+module HealthChecksHelper
+
+    def check_status(check)
+        style = check.ok? ? {} : "color: red"
+        content_tag(:b, check.message, :style => style)
+    end
+
+end
diff --git a/app/views/health_checks/index.html.erb b/app/views/health_checks/index.html.erb
new file mode 100644
index 000000000..67b1050a9
--- /dev/null
+++ b/app/views/health_checks/index.html.erb
@@ -0,0 +1,12 @@
+<h1>Health Checks</h1>
+
+<div class="checks">
+  <% @health_checks.each do |check| %>
+    <div class="check">
+      <ul>
+        <li>Message: <%= check_status(check) %></li>
+        <li>OK? <%= check.ok? %></li>
+      </ul>
+    </div>
+  <% end %>
+</div>
diff --git a/config/routes.rb b/config/routes.rb
index 9f426fabf..a146c9031 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -61,6 +61,8 @@ Alaveteli::Application.routes.draw do
     match '/request/:url_title/download' => 'request#download_entire_request', :as => :download_entire_request
     ####
 
+    resources :health_checks, :only => [:index]
+
     resources :request, :only => [] do
         resource :report, :only => [:new, :create]
     end
diff --git a/spec/controllers/health_checks_controller_spec.rb b/spec/controllers/health_checks_controller_spec.rb
new file mode 100644
index 000000000..f7ad6d6a4
--- /dev/null
+++ b/spec/controllers/health_checks_controller_spec.rb
@@ -0,0 +1,30 @@
+require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
+
+describe HealthChecksController do
+
+    describe :index do
+
+        describe :index do
+
+            it 'returns a 200 if all health checks pass' do
+                HealthChecks.stub(:ok? => true)
+                get :index
+                expect(response.status).to eq(200)
+            end
+
+            it 'returns a 500 if the health check fails' do
+                HealthChecks.stub(:ok? => false)
+                get :index
+                expect(response.status).to eq(500)
+            end
+
+            it 'does not render a layout' do
+                 get :index
+                 expect(response).to render_template(:layout => false) 
+            end
+
+        end
+
+    end
+
+end
diff --git a/spec/helpers/health_checks_helper_spec.rb b/spec/helpers/health_checks_helper_spec.rb
new file mode 100644
index 000000000..7d4083da5
--- /dev/null
+++ b/spec/helpers/health_checks_helper_spec.rb
@@ -0,0 +1,15 @@
+require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
+
+describe HealthChecksHelper do
+    include HealthChecksHelper
+
+    describe :check_status do
+
+        it 'warns that the check is failing' do
+            check = double(:message => 'Failed', :ok? => false)
+            expect(check_status(check)).to include('red')
+        end
+
+    end
+
+end