Merge branch 'ce-gitaly-remote-mirror-prep' into 'master'

[CE] Move git operations for UpdateRemoteMirrorService into Gitlab::Git

See merge request gitlab-org/gitlab-ce!16023
This commit is contained in:
Dmitriy Zaporozhets 2018-01-04 16:02:22 +00:00
commit 58a705aaac
5 changed files with 212 additions and 100 deletions

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@ -0,0 +1,75 @@
module Gitlab
module Git
class RemoteMirror
def initialize(repository, ref_name)
@repository = repository
@ref_name = ref_name
end
def update(only_branches_matching: [], only_tags_matching: [])
local_branches = refs_obj(@repository.local_branches, only_refs_matching: only_branches_matching)
remote_branches = refs_obj(@repository.remote_branches(@ref_name), only_refs_matching: only_branches_matching)
updated_branches = changed_refs(local_branches, remote_branches)
push_branches(updated_branches.keys) if updated_branches.present?
delete_refs(local_branches, remote_branches)
local_tags = refs_obj(@repository.tags, only_refs_matching: only_tags_matching)
remote_tags = refs_obj(@repository.remote_tags(@ref_name), only_refs_matching: only_tags_matching)
updated_tags = changed_refs(local_tags, remote_tags)
@repository.push_remote_branches(@ref_name, updated_tags.keys) if updated_tags.present?
delete_refs(local_tags, remote_tags)
end
private
def refs_obj(refs, only_refs_matching: [])
refs.each_with_object({}) do |ref, refs|
next if only_refs_matching.present? && !only_refs_matching.include?(ref.name)
refs[ref.name] = ref
end
end
def changed_refs(local_refs, remote_refs)
local_refs.select do |ref_name, ref|
remote_ref = remote_refs[ref_name]
remote_ref.nil? || ref.dereferenced_target != remote_ref.dereferenced_target
end
end
def push_branches(branches)
default_branch, branches = branches.partition do |branch|
@repository.root_ref == branch
end
# Push the default branch first so it works fine when remote mirror is empty.
branches.unshift(*default_branch)
@repository.push_remote_branches(@ref_name, branches)
end
def delete_refs(local_refs, remote_refs)
refs = refs_to_delete(local_refs, remote_refs)
@repository.delete_remote_branches(@ref_name, refs.keys) if refs.present?
end
def refs_to_delete(local_refs, remote_refs)
default_branch_id = @repository.commit.id
remote_refs.select do |remote_ref_name, remote_ref|
next false if local_refs[remote_ref_name] # skip if branch or tag exist in local repo
remote_ref_id = remote_ref.dereferenced_target.try(:id)
remote_ref_id && @repository.rugged_is_ancestor?(remote_ref_id, default_branch_id)
end
end
end
end
end

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@ -21,6 +21,7 @@ module Gitlab
REBASE_WORKTREE_PREFIX = 'rebase'.freeze
SQUASH_WORKTREE_PREFIX = 'squash'.freeze
GITALY_INTERNAL_URL = 'ssh://gitaly/internal.git'.freeze
GITLAB_PROJECTS_TIMEOUT = Gitlab.config.gitlab_shell.git_timeout
NoRepository = Class.new(StandardError)
InvalidBlobName = Class.new(StandardError)
@ -83,7 +84,7 @@ module Gitlab
# Rugged repo object
attr_reader :rugged
attr_reader :storage, :gl_repository, :relative_path
attr_reader :gitlab_projects, :storage, :gl_repository, :relative_path
# This initializer method is only used on the client side (gitlab-ce).
# Gitaly-ruby uses a different initializer.
@ -93,6 +94,12 @@ module Gitlab
@gl_repository = gl_repository
storage_path = Gitlab.config.repositories.storages[@storage]['path']
@gitlab_projects = Gitlab::Git::GitlabProjects.new(
storage_path,
relative_path,
global_hooks_path: Gitlab.config.gitlab_shell.hooks_path,
logger: Rails.logger
)
@path = File.join(storage_path, @relative_path)
@name = @relative_path.split("/").last
@attributes = Gitlab::Git::Attributes.new(path)
@ -1266,6 +1273,24 @@ module Gitlab
fresh_worktree?(worktree_path(SQUASH_WORKTREE_PREFIX, squash_id))
end
def push_remote_branches(remote_name, branch_names, forced: true)
success = @gitlab_projects.push_branches(remote_name, GITLAB_PROJECTS_TIMEOUT, forced, branch_names)
success || gitlab_projects_error
end
def delete_remote_branches(remote_name, branch_names)
success = @gitlab_projects.delete_remote_branches(remote_name, branch_names)
success || gitlab_projects_error
end
def delete_remote_branches(remote_name, branch_names)
success = @gitlab_projects.delete_remote_branches(remote_name, branch_names)
success || gitlab_projects_error
end
def gitaly_repository
Gitlab::GitalyClient::Util.repository(@storage, @relative_path, @gl_repository)
end
@ -1944,6 +1969,10 @@ module Gitlab
def fetch_remote(remote_name = 'origin', env: nil)
run_git(['fetch', remote_name], env: env).last.zero?
end
def gitlab_projects_error
raise CommandError, @gitlab_projects.output
end
end
end
end

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@ -306,47 +306,6 @@ module Gitlab
end
end
# Push branch to remote repository
#
# storage - project's storage path
# project_name - project's disk path
# remote_name - remote name
# branch_names - remote branch names to push
# forced - should we use --force flag
#
# Ex.
# push_remote_branches('/path/to/storage', 'gitlab-org/gitlab-test' 'upstream', ['feature'])
#
def push_remote_branches(storage, project_name, remote_name, branch_names, forced: true)
cmd = gitlab_projects(storage, "#{project_name}.git")
success = cmd.push_branches(remote_name, git_timeout, forced, branch_names)
raise Error, cmd.output unless success
success
end
# Delete branch from remote repository
#
# storage - project's storage path
# project_name - project's disk path
# remote_name - remote name
# branch_names - remote branch names
#
# Ex.
# delete_remote_branches('/path/to/storage', 'gitlab-org/gitlab-test', 'upstream', ['feature'])
#
def delete_remote_branches(storage, project_name, remote_name, branch_names)
cmd = gitlab_projects(storage, "#{project_name}.git")
success = cmd.delete_remote_branches(remote_name, branch_names)
raise Error, cmd.output unless success
success
end
protected
def gitlab_shell_path

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@ -18,9 +18,10 @@ describe Gitlab::Git::Repository, seed_helper: true do
end
let(:repository) { Gitlab::Git::Repository.new('default', TEST_REPO_PATH, '') }
let(:storage_path) { TestEnv.repos_path }
describe '.create_hooks' do
let(:repo_path) { File.join(TestEnv.repos_path, 'hook-test.git') }
let(:repo_path) { File.join(storage_path, 'hook-test.git') }
let(:hooks_dir) { File.join(repo_path, 'hooks') }
let(:target_hooks_dir) { Gitlab.config.gitlab_shell.hooks_path }
let(:existing_target) { File.join(repo_path, 'foobar') }
@ -645,7 +646,7 @@ describe Gitlab::Git::Repository, seed_helper: true do
end
after do
Gitlab::Shell.new.remove_repository(TestEnv.repos_path, 'my_project')
Gitlab::Shell.new.remove_repository(storage_path, 'my_project')
end
it 'fetches a repository as a mirror remote' do
@ -1906,6 +1907,110 @@ describe Gitlab::Git::Repository, seed_helper: true do
end
end
describe '#gitlab_projects' do
subject { repository.gitlab_projects }
it { expect(subject.shard_path).to eq(storage_path) }
it { expect(subject.repository_relative_path).to eq(repository.relative_path) }
end
context 'gitlab_projects commands' do
let(:gitlab_projects) { repository.gitlab_projects }
let(:timeout) { Gitlab.config.gitlab_shell.git_timeout }
describe '#push_remote_branches' do
subject do
repository.push_remote_branches('downstream-remote', ['master'])
end
it 'executes the command' do
expect(gitlab_projects).to receive(:push_branches)
.with('downstream-remote', timeout, true, ['master'])
.and_return(true)
is_expected.to be_truthy
end
it 'raises an error if the command fails' do
allow(gitlab_projects).to receive(:output) { 'error' }
expect(gitlab_projects).to receive(:push_branches)
.with('downstream-remote', timeout, true, ['master'])
.and_return(false)
expect { subject }.to raise_error(Gitlab::Git::CommandError, 'error')
end
end
describe '#delete_remote_branches' do
subject do
repository.delete_remote_branches('downstream-remote', ['master'])
end
it 'executes the command' do
expect(gitlab_projects).to receive(:delete_remote_branches)
.with('downstream-remote', ['master'])
.and_return(true)
is_expected.to be_truthy
end
it 'raises an error if the command fails' do
allow(gitlab_projects).to receive(:output) { 'error' }
expect(gitlab_projects).to receive(:delete_remote_branches)
.with('downstream-remote', ['master'])
.and_return(false)
expect { subject }.to raise_error(Gitlab::Git::CommandError, 'error')
end
end
describe '#delete_remote_branches' do
subject do
repository.delete_remote_branches('downstream-remote', ['master'])
end
it 'executes the command' do
expect(gitlab_projects).to receive(:delete_remote_branches)
.with('downstream-remote', ['master'])
.and_return(true)
is_expected.to be_truthy
end
it 'raises an error if the command fails' do
allow(gitlab_projects).to receive(:output) { 'error' }
expect(gitlab_projects).to receive(:delete_remote_branches)
.with('downstream-remote', ['master'])
.and_return(false)
expect { subject }.to raise_error(Gitlab::Git::CommandError, 'error')
end
end
describe '#delete_remote_branches' do
subject do
repository.delete_remote_branches('downstream-remote', ['master'])
end
it 'executes the command' do
expect(gitlab_projects).to receive(:delete_remote_branches)
.with('downstream-remote', ['master'])
.and_return(true)
is_expected.to be_truthy
end
it 'raises an error if the command fails' do
allow(gitlab_projects).to receive(:output) { 'error' }
expect(gitlab_projects).to receive(:delete_remote_branches)
.with('downstream-remote', ['master'])
.and_return(false)
expect { subject }.to raise_error(Gitlab::Git::CommandError, 'error')
end
end
end
def create_remote_branch(repository, remote_name, branch_name, source_branch_name)
source_branch = repository.branches.find { |branch| branch.name == source_branch_name }
rugged = repository.rugged

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@ -347,62 +347,6 @@ describe Gitlab::Shell do
end.to raise_error(Gitlab::Shell::Error, "error")
end
end
describe '#push_remote_branches' do
subject(:result) do
gitlab_shell.push_remote_branches(
project.repository_storage_path,
project.disk_path,
'downstream-remote',
['master']
)
end
it 'executes the command' do
expect(gitlab_projects).to receive(:push_branches)
.with('downstream-remote', timeout, true, ['master'])
.and_return(true)
is_expected.to be_truthy
end
it 'fails to execute the command' do
allow(gitlab_projects).to receive(:output) { 'error' }
expect(gitlab_projects).to receive(:push_branches)
.with('downstream-remote', timeout, true, ['master'])
.and_return(false)
expect { result }.to raise_error(Gitlab::Shell::Error, 'error')
end
end
describe '#delete_remote_branches' do
subject(:result) do
gitlab_shell.delete_remote_branches(
project.repository_storage_path,
project.disk_path,
'downstream-remote',
['master']
)
end
it 'executes the command' do
expect(gitlab_projects).to receive(:delete_remote_branches)
.with('downstream-remote', ['master'])
.and_return(true)
is_expected.to be_truthy
end
it 'fails to execute the command' do
allow(gitlab_projects).to receive(:output) { 'error' }
expect(gitlab_projects).to receive(:delete_remote_branches)
.with('downstream-remote', ['master'])
.and_return(false)
expect { result }.to raise_error(Gitlab::Shell::Error, 'error')
end
end
end
describe 'namespace actions' do