ES: writing index status

app/models/index_status.rb

+class IndexStatus < ActiveRecord::Base
+  belongs_to :project
+end

app/models/project.rb

@@ -128,6 +128,7 @@ class Project < ActiveRecord::Base
   has_one :custom_issue_tracker_service, dependent: :destroy
   has_one :gitlab_issue_tracker_service, dependent: :destroy
   has_one :external_wiki_service, dependent: :destroy
+  has_one :index_status, dependent: :destroy
 
   has_one  :forked_project_link,  dependent: :destroy, foreign_key: "forked_to_project_id"
   has_one  :forked_from_project,  through:   :forked_project_link

db/migrate/20160129075828_create_index_statuses.rb

+class CreateIndexStatuses < ActiveRecord::Migration
+  def change
+    create_table :index_statuses do |t|
+      t.integer :project_id
+      t.datetime :indexed_at
+      t.text :note
+      t.string :last_commit
+
+      t.timestamps null: false
+    end
+
+    add_index :index_statuses, :project_id
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20160120172143) do
+ActiveRecord::Schema.define(version: 20160129075828) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -414,6 +414,7 @@ ActiveRecord::Schema.define(version: 20160120172143) do
 
   add_index "geo_nodes", ["host"], name: "index_geo_nodes_on_host", using: :btree
   add_index "geo_nodes", ["primary"], name: "index_geo_nodes_on_primary", using: :btree
+
   create_table "git_hooks", force: :cascade do |t|
     t.string   "force_push_regex"
     t.string   "delete_branch_regex"
@@ -447,6 +448,17 @@ ActiveRecord::Schema.define(version: 20160120172143) do
   add_index "identities", ["created_at", "id"], name: "index_identities_on_created_at_and_id", using: :btree
   add_index "identities", ["user_id"], name: "index_identities_on_user_id", using: :btree
 
+  create_table "index_statuses", force: :cascade do |t|
+    t.integer  "project_id"
+    t.datetime "indexed_at"
+    t.text     "note"
+    t.string   "last_commit"
+    t.datetime "created_at",  null: false
+    t.datetime "updated_at",  null: false
+  end
+
+  add_index "index_statuses", ["project_id"], name: "index_index_statuses_on_project_id", using: :btree
+
   create_table "issues", force: :cascade do |t|
     t.string   "title"
     t.integer  "assignee_id"

lib/tasks/gitlab/elastic.rake

@@ -19,8 +19,15 @@ namespace :gitlab do
           puts "Indexing #{project.name_with_namespace}..."
 
           begin
+            # During indexing the new commits can be pushed,
+            # this parameter only indicates that at least this commit is in index
+            heeads_sha = project.repository.commit.sha
+            IndexStatus.find_or_create_by(last_commit: heeads_sha, project: project)
+
             project.repository.index_commits
             project.repository.index_blobs
+
+            project.index_status.update(indexed_at: DateTime.now)
             puts "Done!".green
           rescue StandardError => e
             puts "#{e.message}, trace - #{e.backtrace}"