Respect user configured schema when generating object storage URLs

When generating S3 compatible URLs we should respect user configuration in
`congig/gitlab.yml`; In GDK we are using local minio over HTTP.

Gemfile

@@ -109,7 +109,7 @@ gem 'dropzonejs-rails', '~> 0.7.1'
 # for backups
 gem 'fog-aws', '~> 2.0'
 gem 'fog-core', '~> 1.44'
-gem 'fog-google', '~> 1.3'
+gem 'fog-google', '~> 1.3.2'
 gem 'fog-local', '~> 0.3'
 gem 'fog-openstack', '~> 0.1'
 gem 'fog-rackspace', '~> 0.1.1'

Gemfile.lock

@@ -266,7 +266,7 @@ GEM
       builder
       excon (~> 0.58)
       formatador (~> 0.2)
-    fog-google (1.3.0)
+    fog-google (1.3.2)
       fog-core
       fog-json
       fog-xml
@@ -442,7 +442,7 @@ GEM
     httparty (0.13.7)
       json (~> 1.8)
       multi_xml (>= 0.5.2)
-    httpclient (2.8.2)
+    httpclient (2.8.3)
     i18n (0.9.1)
       concurrent-ruby (~> 1.0)
     ice_nine (0.11.2)
@@ -1085,7 +1085,7 @@ DEPENDENCIES
   fog-aliyun (~> 0.2.0)
   fog-aws (~> 2.0)
   fog-core (~> 1.44)
-  fog-google (~> 1.3)
+  fog-google (~> 1.3.2)
   fog-local (~> 0.3)
   fog-openstack (~> 0.1)
   fog-rackspace (~> 0.1.1)

ee/app/uploaders/object_storage.rb

@@ -183,7 +183,7 @@ module ObjectStorage
 
         {
           ID: id,
-          GetURL: connection.get_object_https_url(remote_store_path, upload_path, expire_at),
+          GetURL: connection.get_object_url(remote_store_path, upload_path, expire_at),
           DeleteURL: connection.delete_object_url(remote_store_path, upload_path, expire_at),
           StoreURL: connection.put_object_url(remote_store_path, upload_path, expire_at, options)
         }

ee/changelogs/unreleased/5167-lfs-objecstorage-gdk.yml

+---
+title: Generate ObjectStorage URL based on user provided schema
+merge_request: 4932
+author:
+type: fixed

ee/spec/uploaders/object_storage_spec.rb

@@ -481,6 +481,29 @@ describe ObjectStorage do
             end
           end
         end
+
+        context 'uses GDK/minio' do
+          before do
+            expect(uploader_class).to receive(:object_store_credentials) do
+              { provider: "AWS",
+                aws_access_key_id: "AWS_ACCESS_KEY_ID",
+                aws_secret_access_key: "AWS_SECRET_ACCESS_KEY",
+                endpoint: 'http://127.0.0.1:9000',
+                path_style: true,
+                region: "gdk" }
+            end
+          end
+
+          it_behaves_like 'uses remote storage' do
+            let(:storage_url) { "http://127.0.0.1:9000/uploads/" }
+
+            it 'returns links for S3' do
+              expect(subject[:RemoteObject][:GetURL]).to start_with(storage_url)
+              expect(subject[:RemoteObject][:DeleteURL]).to start_with(storage_url)
+              expect(subject[:RemoteObject][:StoreURL]).to start_with(storage_url)
+            end
+          end
+        end
       end
 
       context 'when direct upload is disabled' do