Handle web hook exception

Write to log if web hook cant be executed. This prevents 500 error when
test web hook with invalid URL and prevent exceptions and retries in
sidekiq

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/controllers/projects/hooks_controller.rb

@@ -26,6 +26,7 @@ def create
   def test
     if !@project.empty_repo?
       status = TestHookService.new.execute(hook, current_user)
+
       if status
         flash[:notice] = 'Hook successfully executed.'
       else

app/models/hooks/web_hook.rb

@@ -32,7 +32,10 @@ class WebHook < ActiveRecord::Base
   def execute(data)
     parsed_url = URI.parse(url)
     if parsed_url.userinfo.blank?
-      WebHook.post(url, body: data.to_json, headers: { "Content-Type" => "application/json" }, verify: false)
+      WebHook.post(url,
+                   body: data.to_json,
+                   headers: { "Content-Type" => "application/json" },
+                   verify: false)
     else
       post_url = url.gsub("#{parsed_url.userinfo}@", "")
       auth = {
@@ -45,6 +48,9 @@ def execute(data)
                    verify: false,
                    basic_auth: auth)
     end
+  rescue SocketError, Errno::ECONNREFUSED => e
+    logger.error("WebHook Error => #{e}")
+    false
   end
 
   def async_execute(data)

app/services/test_hook_service.rb

@@ -2,8 +2,5 @@ class TestHookService
   def execute(hook, current_user)
     data = GitPushService.new.sample_data(hook.project, current_user)
     hook.execute(data)
-    true
-  rescue SocketError
-    false
   end
 end