Merge branch 'zj-backup-restore-object-pools' into 'master'

Restore Object Pools when restoring an object pool

Closes gitaly#1355

See merge request gitlab-org/gitlab-ce!23682

app/models/pool_repository.rb

@@ -84,6 +84,10 @@ class PoolRepository < ActiveRecord::Base
       source_project.repository.raw)
   end
 
+  def inspect
+    "#<#{self.class.name} id:#{id} state:#{state} disk_path:#{disk_path} source_project: #{source_project.full_path}>"
+  end
+
   private
 
   def correct_disk_path

changelogs/unreleased/zj-backup-restore-object-pools.yml

+---
+title: Restore Object Pools when restoring an object pool
+merge_request: 23682
+author:
+type: added

doc/raketasks/backup_restore.md

@@ -657,6 +657,7 @@ Restoring database tables:
 - Loading fixture wikis...[SKIPPING]
 Restoring repositories:
 - Restoring repository abcd... [DONE]
+- Object pool 1 ...
 Deleting tmp directories...[DONE]
 ```
 

lib/backup/repository.rb

@@ -4,6 +4,7 @@ require 'yaml'
 
 module Backup
   class Repository
+    include Gitlab::ShellAdapter
     attr_reader :progress
 
     def initialize(progress)
@@ -75,7 +76,6 @@ module Backup
 
     def restore
       prepare_directories
-      gitlab_shell = Gitlab::Shell.new
 
       Project.find_each(batch_size: 1000) do |project|
         progress.print " * #{project.full_path} ... "
@@ -118,6 +118,8 @@ module Backup
           end
         end
       end
+
+      restore_object_pools
     end
 
     protected
@@ -159,5 +161,17 @@ module Backup
     def display_repo_path(project)
       project.hashed_storage?(:repository) ? "#{project.full_path} (#{project.disk_path})" : project.full_path
     end
+
+    def restore_object_pools
+      PoolRepository.includes(:source_project).find_each do |pool|
+        progress.puts " - Object pool #{pool.disk_path}..."
+
+        pool.source_project ||= pool.member_projects.first.root_of_fork_network
+        pool.state = 'none'
+        pool.save
+
+        pool.schedule
+      end
+    end
   end
 end

spec/lib/backup/repository_spec.rb

@@ -67,6 +67,19 @@ describe Backup::Repository do
         end
       end
     end
+
+    context 'restoring object pools' do
+      it 'schedules restoring of the pool' do
+        pool_repository = create(:pool_repository, :failed)
+        pool_repository.delete_object_pool
+
+        subject.restore
+
+        pool_repository.reload
+        expect(pool_repository).not_to be_failed
+        expect(pool_repository.object_pool.exists?).to be(true)
+      end
+    end
   end
 
   describe '#prepare_directories', :seed_helper do

spec/tasks/gitlab/backup_rake_spec.rb

@@ -74,6 +74,7 @@ describe 'gitlab:app namespace rake task' do
       it 'invokes restoration on match' do
         allow(YAML).to receive(:load_file)
           .and_return({ gitlab_version: gitlab_version })
+
         expect(Rake::Task['gitlab:db:drop_tables']).to receive(:invoke)
         expect(Rake::Task['gitlab:backup:db:restore']).to receive(:invoke)
         expect(Rake::Task['gitlab:backup:repo:restore']).to receive(:invoke)