Better error message printing on failure

lib/tasks/evm_ansible.rake

@@ -5,26 +5,30 @@ namespace :evm do
   namespace :ansible do
     desc "Seed galaxy roles for provider playbooks"
     task :seed do
-      plugins_with_req_yml = Vmdb::Plugins.select do |p|
-        req_yml_path = p.root.join('content_tmp', 'ansible', 'requirements.yml')
+      plugins_with_req_yml = Vmdb::Plugins.select do |plugin|
+        req_yml_path = plugin.root.join('content_tmp', 'ansible', 'requirements.yml')
         File.file?(req_yml_path)
       end
 
-      plugins_with_req_yml.each do |p|
-        puts "Seeding roles for #{p.name.split("::Engine").first}..."
+      plugins_with_req_yml.each do |plugin|
+        puts "Seeding roles for #{plugin.name}..."
 
-        roles_path = p.root.join('content_tmp', 'ansible', 'roles')
-        role_file  = p.root.join('content_tmp', 'ansible', 'requirements.yml')
+        roles_path = plugin.root.join('content_tmp', 'ansible', 'roles')
+        role_file  = plugin.root.join('content_tmp', 'ansible', 'requirements.yml')
 
-        AwesomeSpawn.run!(
-          "ansible-galaxy",
-          :params => {
-            nil          => "install",
-            :roles_path= => roles_path,
-            :role_file=  => role_file
-          }
-        )
-        puts "Seeding roles for #{p.name.split("::Engine").first}...Complete"
+        params = {
+          nil          => "install",
+          :roles_path= => roles_path,
+          :role_file=  => role_file
+        }
+
+        begin
+          AwesomeSpawn.run!("ansible-galaxy", :params => params)
+          puts "Seeding roles for #{plugin.name}...Complete"
+        rescue AwesomeSpawn::CommandResultError => err
+          puts "Seeding roles for #{plugin.name}...Failed - #{err.result.error}"
+          raise
+        end
       end
     end
   end