debian-mirror-gitlab/spec/lib/backup/repositories_spec.rb

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2021-01-03 14:25:43 +05:30
# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Backup::Repositories do
let(:progress) { StringIO.new }
subject { described_class.new(progress) }
before do
allow(progress).to receive(:puts)
allow(progress).to receive(:print)
allow_next_instance_of(described_class) do |instance|
allow(instance).to receive(:progress).and_return(progress)
end
end
describe '#dump' do
let_it_be(:projects) { create_list(:project, 5, :repository) }
RSpec.shared_examples 'creates repository bundles' do
specify :aggregate_failures do
# Add data to the wiki, design repositories, and snippets, so they will be included in the dump.
create(:wiki_page, container: project)
create(:design, :with_file, issue: create(:issue, project: project))
project_snippet = create(:project_snippet, :repository, project: project)
personal_snippet = create(:personal_snippet, :repository, author: project.owner)
subject.dump(max_concurrency: 1, max_storage_concurrency: 1)
expect(File).to exist(File.join(Gitlab.config.backup.path, 'repositories', project.disk_path + '.bundle'))
expect(File).to exist(File.join(Gitlab.config.backup.path, 'repositories', project.disk_path + '.wiki' + '.bundle'))
expect(File).to exist(File.join(Gitlab.config.backup.path, 'repositories', project.disk_path + '.design' + '.bundle'))
expect(File).to exist(File.join(Gitlab.config.backup.path, 'repositories', personal_snippet.disk_path + '.bundle'))
expect(File).to exist(File.join(Gitlab.config.backup.path, 'repositories', project_snippet.disk_path + '.bundle'))
end
end
context 'hashed storage' do
let_it_be(:project) { create(:project, :repository) }
it_behaves_like 'creates repository bundles'
end
context 'legacy storage' do
let_it_be(:project) { create(:project, :repository, :legacy_storage) }
it_behaves_like 'creates repository bundles'
end
context 'no concurrency' do
it 'creates the expected number of threads' do
expect(Thread).not_to receive(:new)
projects.each do |project|
expect(subject).to receive(:dump_project).with(project).and_call_original
end
subject.dump(max_concurrency: 1, max_storage_concurrency: 1)
end
describe 'command failure' do
it 'dump_project raises an error' do
allow(subject).to receive(:dump_project).and_raise(IOError)
expect { subject.dump(max_concurrency: 1, max_storage_concurrency: 1) }.to raise_error(IOError)
end
it 'project query raises an error' do
allow(Project).to receive_message_chain(:includes, :find_each).and_raise(ActiveRecord::StatementTimeout)
expect { subject.dump(max_concurrency: 1, max_storage_concurrency: 1) }.to raise_error(ActiveRecord::StatementTimeout)
end
end
it 'avoids N+1 database queries' do
control_count = ActiveRecord::QueryRecorder.new do
subject.dump(max_concurrency: 1, max_storage_concurrency: 1)
end.count
create_list(:project, 2, :repository)
expect do
subject.dump(max_concurrency: 1, max_storage_concurrency: 1)
end.not_to exceed_query_limit(control_count)
end
end
[4, 10].each do |max_storage_concurrency|
context "max_storage_concurrency #{max_storage_concurrency}", quarantine: 'https://gitlab.com/gitlab-org/gitlab/-/issues/241701' do
let(:storage_keys) { %w[default test_second_storage] }
before do
allow(Gitlab.config.repositories.storages).to receive(:keys).and_return(storage_keys)
end
it 'creates the expected number of threads' do
expect(Thread).to receive(:new)
.exactly(storage_keys.length * (max_storage_concurrency + 1)).times
.and_call_original
projects.each do |project|
expect(subject).to receive(:dump_project).with(project).and_call_original
end
subject.dump(max_concurrency: 1, max_storage_concurrency: max_storage_concurrency)
end
it 'creates the expected number of threads with extra max concurrency' do
expect(Thread).to receive(:new)
.exactly(storage_keys.length * (max_storage_concurrency + 1)).times
.and_call_original
projects.each do |project|
expect(subject).to receive(:dump_project).with(project).and_call_original
end
subject.dump(max_concurrency: 3, max_storage_concurrency: max_storage_concurrency)
end
describe 'command failure' do
it 'dump_project raises an error' do
allow(subject).to receive(:dump_project)
.and_raise(IOError)
expect { subject.dump(max_concurrency: 1, max_storage_concurrency: max_storage_concurrency) }.to raise_error(IOError)
end
it 'project query raises an error' do
allow(Project).to receive_message_chain(:for_repository_storage, :includes, :find_each).and_raise(ActiveRecord::StatementTimeout)
expect { subject.dump(max_concurrency: 1, max_storage_concurrency: max_storage_concurrency) }.to raise_error(ActiveRecord::StatementTimeout)
end
context 'misconfigured storages' do
let(:storage_keys) { %w[test_second_storage] }
it 'raises an error' do
expect { subject.dump(max_concurrency: 1, max_storage_concurrency: max_storage_concurrency) }.to raise_error(Backup::Error, 'repositories.storages in gitlab.yml is misconfigured')
end
end
end
it 'avoids N+1 database queries' do
control_count = ActiveRecord::QueryRecorder.new do
subject.dump(max_concurrency: 1, max_storage_concurrency: max_storage_concurrency)
end.count
create_list(:project, 2, :repository)
expect do
subject.dump(max_concurrency: 1, max_storage_concurrency: max_storage_concurrency)
end.not_to exceed_query_limit(control_count)
end
end
end
end
describe '#restore' do
let_it_be(:project) { create(:project) }
let_it_be(:personal_snippet) { create(:personal_snippet, author: project.owner) }
let_it_be(:project_snippet) { create(:project_snippet, project: project, author: project.owner) }
let(:next_path_to_bundle) do
[
Rails.root.join('spec/fixtures/lib/backup/project_repo.bundle'),
Rails.root.join('spec/fixtures/lib/backup/wiki_repo.bundle'),
Rails.root.join('spec/fixtures/lib/backup/design_repo.bundle'),
Rails.root.join('spec/fixtures/lib/backup/personal_snippet_repo.bundle'),
Rails.root.join('spec/fixtures/lib/backup/project_snippet_repo.bundle')
].to_enum
end
it 'restores repositories from bundles', :aggregate_failures do
allow_next_instance_of(described_class::BackupRestore) do |backup_restore|
allow(backup_restore).to receive(:path_to_bundle).and_return(next_path_to_bundle.next)
end
subject.restore
collect_commit_shas = -> (repo) { repo.commits('master', limit: 10).map(&:sha) }
expect(collect_commit_shas.call(project.repository)).to eq(['393a7d860a5a4c3cc736d7eb00604e3472bb95ec'])
expect(collect_commit_shas.call(project.wiki.repository)).to eq(['c74b9948d0088d703ee1fafeddd9ed9add2901ea'])
expect(collect_commit_shas.call(project.design_repository)).to eq(['c3cd4d7bd73a51a0f22045c3a4c871c435dc959d'])
expect(collect_commit_shas.call(personal_snippet.repository)).to eq(['3b3c067a3bc1d1b695b51e2be30c0f8cf698a06e'])
expect(collect_commit_shas.call(project_snippet.repository)).to eq(['6e44ba56a4748be361a841e759c20e421a1651a1'])
end
describe 'command failure' do
before do
expect(Project).to receive(:find_each).and_yield(project)
allow_next_instance_of(DesignManagement::Repository) do |repository|
allow(repository).to receive(:create_repository) { raise 'Fail in tests' }
end
allow_next_instance_of(Repository) do |repository|
allow(repository).to receive(:create_repository) { raise 'Fail in tests' }
end
end
context 'hashed storage' do
it 'shows the appropriate error' do
subject.restore
expect(progress).to have_received(:puts).with("[Failed] restoring #{project.full_path} (#{project.disk_path})")
end
end
context 'legacy storage' do
let_it_be(:project) { create(:project, :legacy_storage) }
it 'shows the appropriate error' do
subject.restore
expect(progress).to have_received(:puts).with("[Failed] restoring #{project.full_path} (#{project.disk_path})")
end
end
end
context 'restoring object pools' do
it 'schedules restoring of the pool', :sidekiq_might_not_need_inline 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
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it 'skips pools with no source project, :sidekiq_might_not_need_inline' do
pool_repository = create(:pool_repository, state: :obsolete)
pool_repository.update_column(:source_project_id, nil)
subject.restore
pool_repository.reload
expect(pool_repository).to be_obsolete
end
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end
it 'cleans existing repositories' do
success_response = ServiceResponse.success(message: "Valid Snippet Repo")
allow(Snippets::RepositoryValidationService).to receive_message_chain(:new, :execute).and_return(success_response)
expect_next_instance_of(DesignManagement::Repository) do |repository|
expect(repository).to receive(:remove)
end
# 4 times = project repo + wiki repo + project_snippet repo + personal_snippet repo
expect(Repository).to receive(:new).exactly(4).times.and_wrap_original do |method, *original_args|
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full_path, container, kwargs = original_args
repository = method.call(full_path, container, **kwargs)
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expect(repository).to receive(:remove)
repository
end
subject.restore
end
context 'restoring snippets' do
before do
create(:snippet_repository, snippet: personal_snippet)
create(:snippet_repository, snippet: project_snippet)
allow_next_instance_of(described_class::BackupRestore) do |backup_restore|
allow(backup_restore).to receive(:path_to_bundle).and_return(next_path_to_bundle.next)
end
end
context 'when the repository is valid' do
it 'restores the snippet repositories' do
subject.restore
expect(personal_snippet.snippet_repository.persisted?).to be true
expect(personal_snippet.repository).to exist
expect(project_snippet.snippet_repository.persisted?).to be true
expect(project_snippet.repository).to exist
end
end
context 'when repository is invalid' do
before do
error_response = ServiceResponse.error(message: "Repository has more than one branch")
allow(Snippets::RepositoryValidationService).to receive_message_chain(:new, :execute).and_return(error_response)
end
it 'shows the appropriate error' do
subject.restore
expect(progress).to have_received(:puts).with("Snippet #{personal_snippet.full_path} can't be restored: Repository has more than one branch")
expect(progress).to have_received(:puts).with("Snippet #{project_snippet.full_path} can't be restored: Repository has more than one branch")
end
it 'removes the snippets from the DB' do
expect { subject.restore }.to change(PersonalSnippet, :count).by(-1)
.and change(ProjectSnippet, :count).by(-1)
.and change(SnippetRepository, :count).by(-2)
end
it 'removes the repository from disk' do
gitlab_shell = Gitlab::Shell.new
shard_name = personal_snippet.repository.shard
path = personal_snippet.disk_path + '.git'
subject.restore
expect(gitlab_shell.repository_exists?(shard_name, path)).to eq false
end
end
end
end
end