gitlab-org--gitlab-foss/lib/gitlab/satellite/satellite.rb

143 lines
3.6 KiB
Ruby

module Gitlab
module Satellite
class Satellite
include Gitlab::Popen
PARKING_BRANCH = "__parking_branch"
attr_accessor :project
def initialize(project)
@project = project
end
def log message
Gitlab::Satellite::Logger.error(message)
end
def clear_and_update!
project.ensure_satellite_exists
@repo = nil
clear_working_dir!
delete_heads!
remove_remotes!
update_from_source!
end
def create
output, status = popen(%W(git clone -- #{project.repository.path_to_repo} #{path}),
Gitlab.config.satellites.path)
log("PID: #{project.id}: git clone #{project.repository.path_to_repo} #{path}")
log("PID: #{project.id}: -> #{output}")
if status.zero?
true
else
log("Failed to create satellite for #{project.name_with_namespace}")
false
end
end
def exists?
File.exists? path
end
# * Locks the satellite
# * Changes the current directory to the satellite's working dir
# * Yields
def lock
project.ensure_satellite_exists
File.open(lock_file, "w+") do |f|
begin
f.flock File::LOCK_EX
Dir.chdir(path) { return yield }
ensure
f.flock File::LOCK_UN
end
end
end
def lock_file
create_locks_dir unless File.exists?(lock_files_dir)
File.join(lock_files_dir, "satellite_#{project.id}.lock")
end
def path
File.join(Gitlab.config.satellites.path, project.path_with_namespace)
end
def repo
project.ensure_satellite_exists
@repo ||= Grit::Repo.new(path)
end
def destroy
FileUtils.rm_rf(path)
end
private
# Clear the working directory
def clear_working_dir!
repo.git.reset(hard: true)
repo.git.clean(f: true, d: true, x: true)
end
# Deletes all branches except the parking branch
#
# This ensures we have no name clashes or issues updating branches when
# working with the satellite.
def delete_heads!
heads = repo.heads.map(&:name)
# update or create the parking branch
if heads.include? PARKING_BRANCH
repo.git.checkout({}, PARKING_BRANCH)
else
repo.git.checkout(default_options({b: true}), PARKING_BRANCH)
end
# remove the parking branch from the list of heads ...
heads.delete(PARKING_BRANCH)
# ... and delete all others
heads.each { |head| repo.git.branch(default_options({D: true}), head) }
end
# Deletes all remotes except origin
#
# This ensures we have no remote name clashes or issues updating branches when
# working with the satellite.
def remove_remotes!
remotes = repo.git.remote.split(' ')
remotes.delete('origin')
remotes.each { |name| repo.git.remote(default_options,'rm', name)}
end
# Updates the satellite from bare repo
#
# Note: this will only update remote branches (i.e. origin/*)
def update_from_source!
repo.git.fetch(default_options, :origin)
end
def default_options(options = {})
{raise: true, timeout: true}.merge(options)
end
# Create directory for storing
# satellites lock files
def create_locks_dir
FileUtils.mkdir_p(lock_files_dir)
end
def lock_files_dir
@lock_files_dir ||= File.join(Gitlab.config.satellites.path, "tmp")
end
end
end
end