Merge pull request #5 from CenturyLinkLabs/feature/metadata

Add adapter version and metadata endpoint.

app.rb

@@ -13,13 +13,16 @@
 require 'app/utils'
 
 module FleetAdapter
+  VERSION = ENV["ADAPTER_VERSION"]
+
   class App < Sinatra::Application
     configure do
       disable :method_override
       disable :static
     end
 
     use FleetAdapter::Routes::Services
+    use FleetAdapter::Routes::Metadata
   end
 end
 

app/routes.rb

@@ -5,5 +5,6 @@ module FleetAdapter
   module Routes
     autoload :Base, 'app/routes/base'
     autoload :Services, 'app/routes/services'
+    autoload :Metadata, 'app/routes/metadata'
   end
 end

app/routes/metadata.rb

@@ -0,0 +1,16 @@
+module FleetAdapter
+  module Routes
+    class Metadata < Base
+      namespace '/' + API_VERSION do
+        get '/metadata' do
+          json(
+            {
+              version: FleetAdapter::VERSION,
+              type: "Fleet"
+            }
+          )
+        end
+      end
+    end
+  end
+end

app/routes/services.rb

@@ -6,44 +6,46 @@ module FleetAdapter
   module Routes
     class Services < Base
 
-      post "/#{API_VERSION}/services" do
-        sorted_services = ServiceSorter.sort(@payload)
-        services = Service.create_all(sorted_services)
-        services.each(&:start)
-        status 201
-        json services.map { |service| { id: service.id } }
-      end
+      namespace '/' + API_VERSION do
+        post '/services' do
+          sorted_services = ServiceSorter.sort(@payload)
+          services = Service.create_all(sorted_services)
+          services.each(&:start)
+          status 201
+          json services.map { |service| { id: service.id } }
+        end
 
-      get "/#{API_VERSION}/services/:id" do
-        service = Service.find(params[:id])
+        get '/services/:id' do
+          service = Service.find(params[:id])
 
-        result = {
-          id: service.id,
-          'actualState' => service.status
-        }
+          result = {
+            id: service.id,
+            'actualState' => service.status
+          }
 
-        json result
-      end
+          json result
+        end
 
-      put "/#{API_VERSION}/services/:id" do
-        service = Service.find(params[:id])
+        put '/services/:id' do
+          service = Service.find(params[:id])
+
+          case @payload[:desiredState]
+          when 'started'
+            service.start
+            status 204
+          when 'stopped'
+            service.stop
+            status 204
+          else
+            status 400
+          end
+        end
 
-        case @payload[:desiredState]
-        when 'started'
-          service.start
-          status 204
-        when 'stopped'
-          service.stop
+        delete '/services/:id' do
+          Service.find(params[:id]).destroy
           status 204
-        else
-          status 400
         end
       end
-
-      delete "/#{API_VERSION}/services/:id" do
-        Service.find(params[:id]).destroy
-        status 204
-      end
     end
   end
 end

spec/api/metadata_spec.rb

@@ -0,0 +1,21 @@
+require_relative '../spec_helper'
+
+describe 'Metadata Endpoint' do
+  describe 'GET /v1/metadata' do
+    let(:response) { get '/v1/metadata' }
+    subject(:hash) { JSON.parse(response.body) }
+    before { stub_const("FleetAdapter::VERSION", "2.0") }
+
+    it "has a 200 response code" do
+      expect(response.status).to eq(200)
+    end
+
+    it "has a JSON Content-Type" do
+      expect(response.headers["Content-Type"]).to eq("application/json")
+    end
+
+    its(:keys) { should eq([ "version", "type" ]) }
+    its(["version"]) { should eq("2.0") }
+    its(["type"]) { should eq("Fleet") }
+  end
+end