Merge branch 'es_wiki_on_push' into ee_master

CHANGELOG-EE

@@ -4,6 +4,7 @@ v 8.6.0 (unreleased)
   - [Elastic] Add elastic checker to gitlab:check
   - [Elastic] Added UPDATE_INDEX option to rake task
   - [Elasticsearch] Removing repository and wiki index after removing project
+  - [Elastic] Update index on push to wiki
 
 v 8.5.1
   - Fix adding pages domain to projects in groups

app/workers/post_receive.rb

@@ -14,6 +14,8 @@ class PostReceive
     repo_path.gsub!(/\.git\z/, "")
     repo_path.gsub!(/\A\//, "")
 
+    update_wiki_es_indexes(repo_path)
+
     project = Project.find_with_namespace(repo_path)
 
     if project.nil?
@@ -59,4 +61,14 @@ class PostReceive
   def log(message)
     Gitlab::GitLogger.error("POST-RECEIVE: #{message}")
   end
+
+  def update_wiki_es_indexes(repo_path)
+    return unless repo_path =~ /wiki\z/ && Gitlab.config.elasticsearch.enabled
+
+    project = Project.find_with_namespace(repo_path.gsub(/\.wiki\z/, ""))
+
+    if project
+      project.wiki.index_blobs
+    end
+  end
 end

spec/workers/post_receive_spec.rb

@@ -21,6 +21,17 @@ describe PostReceive do
       PostReceive.new.perform(pwd(project), key_id, base64_changes)
     end
 
+    it "triggers wiki index update" do
+      allow(Gitlab.config.elasticsearch).to receive(:enabled).and_return(true)
+      expect(Project).to receive(:find_with_namespace).with(project.path_with_namespace).and_return(project)
+      expect(Project).to receive(:find_with_namespace).with("#{project.path_with_namespace}.wiki").and_return(nil)
+      expect_any_instance_of(ProjectWiki).to receive(:index_blobs)
+
+      repo_path = "#{pwd(project)}.wiki"
+
+      PostReceive.new.perform(repo_path, key_id, base64_changes)
+    end
+
     it "does not run if the author is not in the project" do
       allow(Key).to receive(:find_by).with(hash_including(id: anything())) { nil }