Merge pull request #1065 from moregeek/rake_task_for_backup_whole_gitlab

add: rake task to backup/restore gitlab db and repos
This commit is contained in:
Dmitriy Zaporozhets 2012-07-10 23:57:20 -07:00
commit bb7dde0d94
3 changed files with 202 additions and 0 deletions

View file

@ -21,6 +21,8 @@ email:
# Like default project limit for user etc
app:
default_projects_limit: 10
# backup_path: "/vol/backups" # default: Rails.root + backups/
# backup_keep_time: 604800 # default: 0 (forever) (in seconds)
#

View file

@ -101,5 +101,15 @@ class Settings < Settingslogic
def default_projects_limit
app['default_projects_limit'] || 10
end
def backup_path
t = app['backup_path'] || "backups/"
t = /^\//.match(t) ? t : File.join(Rails.root + t)
t
end
def backup_keep_time
app['backup_keep_time'] || 0
end
end
end

View file

@ -0,0 +1,190 @@
require 'active_record/fixtures'
namespace :gitlab do
namespace :app do
# Create backup of gitlab system
desc "GITLAB | Create a backup of the gitlab system"
task :backup_create => :environment do
Rake::Task["gitlab:app:db_dump"].invoke
Rake::Task["gitlab:app:repo_dump"].invoke
Dir.chdir(Gitlab.config.backup_path)
# saving additional informations
s = Hash.new
s["db_version"] = "#{ActiveRecord::Migrator.current_version}"
s["backup_created_at"] = "#{Time.now}"
s["gitlab_version"] = %x{git rev-parse HEAD}.gsub(/\n/,"")
s["tar_version"] = %x{tar --version | head -1}.gsub(/\n/,"")
File.open("#{Gitlab.config.backup_path}/backup_information.yml", "w+") do |file|
file << s.to_yaml.gsub(/^---\n/,'')
end
# create archive
print "Creating backup archive: #{Time.now.to_i}_gitlab_backup.tar "
if Kernel.system("tar -cf #{Time.now.to_i}_gitlab_backup.tar repositories/ db/ backup_information.yml")
puts "[DONE]".green
else
puts "[FAILED]".red
end
# cleanup: remove tmp files
print "Deletion of tmp directories..."
if Kernel.system("rm -rf repositories/ db/ backup_information.yml")
puts "[DONE]".green
else
puts "[FAILED]".red
end
# delete backups
print "Deleting old backups... "
if Gitlab.config.backup_keep_time > 0
file_list = Dir.glob("*_gitlab_backup.tar").map { |f| f.split(/_/).first.to_i }
file_list.sort.each do |timestamp|
if Time.at(timestamp) < (Time.now - Gitlab.config.backup_keep_time)
%x{rm #{timestamp}_gitlab_backup.tar}
end
end
puts "[DONE]".green
else
puts "[SKIPPING]".yellow
end
end
# Restore backup of gitlab system
desc "GITLAB | Restore a previously created backup"
task :backup_restore => :environment do
Dir.chdir(Gitlab.config.backup_path)
# check for existing backups in the backup dir
file_list = Dir.glob("*_gitlab_backup.tar").each.map { |f| f.split(/_/).first.to_i }
puts "no backup found" if file_list.count == 0
if file_list.count > 1 && ENV["BACKUP"].nil?
puts "Found more than one backup, please specify which one you want to restore:"
puts "rake gitlab:app:backup_restore BACKUP=timestamp_of_backup"
exit 1;
end
tar_file = ENV["BACKUP"].nil? ? File.join(file_list.first.to_s + "_gitlab_backup.tar") : File.join(ENV["BACKUP"] + "_gitlab_backup.tar")
unless File.exists?(tar_file)
puts "The specified backup doesn't exist!"
exit 1;
end
print "Unpacking backup... "
unless Kernel.system("tar -xf #{tar_file}")
puts "[FAILED]".red
exit 1
else
puts "[DONE]".green
end
settings = YAML.load_file("backup_information.yml")
ENV["VERSION"] = "#{settings["db_version"]}" if settings["db_version"].to_i > 0
# restoring mismatching backups can lead to unexpected problems
if settings["gitlab_version"] != %x{git rev-parse HEAD}.gsub(/\n/,"")
puts "gitlab_version mismatch:".red
puts " Your current HEAD differs from the HEAD in the backup!".red
puts " Please switch to the following revision and try again:".red
puts " revision: #{settings["gitlab_version"]}".red
exit 1
end
Rake::Task["gitlab:app:db_restore"].invoke
Rake::Task["gitlab:app:repo_restore"].invoke
# cleanup: remove tmp files
print "Deletion of tmp directories..."
if Kernel.system("rm -rf repositories/ db/ backup_information.yml")
puts "[DONE]".green
else
puts "[FAILED]".red
end
end
################################################################################
################################# invoked tasks ################################
################################# REPOSITORIES #################################
task :repo_dump => :environment do
backup_path_repo = File.join(Gitlab.config.backup_path, "repositories")
FileUtils.mkdir_p(backup_path_repo) until Dir.exists?(backup_path_repo)
puts "Dumping repositories:"
project = Project.all.map { |n| [n.name,n.path_to_repo] }
project << ["gitolite-admin.git", File.join(File.dirname(project.first.second), "gitolite-admin.git")]
project.each do |project|
print "- Dumping repository #{project.first}... "
if Kernel.system("cd #{project.second} > /dev/null 2>&1 && git bundle create #{backup_path_repo}/#{project.first}.bundle --all > /dev/null 2>&1")
puts "[DONE]".green
else
puts "[FAILED]".red
end
end
end
task :repo_restore => :environment do
backup_path_repo = File.join(Gitlab.config.backup_path, "repositories")
puts "Restoring repositories:"
project = Project.all.map { |n| [n.name,n.path_to_repo] }
project << ["gitolite-admin.git", File.join(File.dirname(project.first.second), "gitolite-admin.git")]
project.each do |project|
print "- Restoring repository #{project.first}... "
FileUtils.rm_rf(project.second) if File.dirname(project.second) # delet old stuff
if Kernel.system("cd #{File.dirname(project.second)} > /dev/null 2>&1 && git clone --bare #{backup_path_repo}/#{project.first}.bundle #{project.first}.git > /dev/null 2>&1")
puts "[DONE]".green
else
puts "[FAILED]".red
end
end
end
###################################### DB ######################################
task :db_dump => :environment do
backup_path_db = File.join(Gitlab.config.backup_path, "db")
FileUtils.mkdir_p(backup_path_db) until Dir.exists?(backup_path_db)
puts "Dumping database tables:"
ActiveRecord::Base.connection.tables.each do |tbl|
print "- Dumping table #{tbl}... "
count = 1
File.open(File.join(backup_path_db, tbl + ".yml"), "w+") do |file|
ActiveRecord::Base.connection.select_all("SELECT * FROM #{tbl}").each do |line|
line.delete_if{|k,v| v.blank?}
output = {tbl + '_' + count.to_s => line}
file << output.to_yaml.gsub(/^---\n/,'') + "\n"
count += 1
end
puts "[DONE]".green
end
end
end
task :db_restore=> :environment do
backup_path_db = File.join(Gitlab.config.backup_path, "db")
puts "Restoring database tables:"
Rake::Task["db:reset"].invoke
Dir.glob(File.join(backup_path_db, "*.yml") ).each do |dir|
fixture_file = File.basename(dir, ".*" )
print "- Loading fixture #{fixture_file}..."
if File.size(dir) > 0
ActiveRecord::Fixtures.create_fixtures(backup_path_db, fixture_file)
puts "[DONE]".green
else
puts "[SKIPPING]".yellow
end
end
end
end # namespace end: app
end # namespace end: gitlab