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attachments migration should move only the base folder

This commit is contained in:
Gabriel Mazetto 2017-11-20 23:35:17 +01:00
parent d0a08ab888
commit f0f6a237d7
2 changed files with 30 additions and 49 deletions
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37
app/services/projects/hashed_storage/migrate_attachments_service.rb
View File

@ -3,51 +3,38 @@ module Projects
class MigrateAttachmentsService < BaseService
attr_reader :logger
BATCH_SIZE = 500
def initialize(project, logger = nil)
@project = project
@logger = logger || Rails.logger
end
def execute
project_before_migration = project.dup
old_path = FileUploader.dynamic_path_segment(project)
project.storage_version = ::Project::HASHED_STORAGE_FEATURES[:attachments]
new_path = FileUploader.dynamic_path_segment(project)
project.uploads.find_each(batch_size: BATCH_SIZE) do |upload|
old_path = attachments_path(project_before_migration, upload)
new_path = attachments_path(project, upload)
move_attachment(old_path, new_path)
end
move_folder!(old_path, new_path)
project.save!
end
private
def attachments_path(project, upload)
File.join(
FileUploader.dynamic_path_segment(project),
upload.path
)
end
def move_attachment(old_path, new_path)
unless File.file?(old_path)
logger.error("Failed to migrate attachment from '#{old_path}' to '#{new_path}', source file doesn't exist (PROJECT_ID=#{project.id})")
def move_folder!(old_path, new_path)
unless File.exist?(old_path)
logger.info("Skipped attachments migration from '#{old_path}' to '#{new_path}', source path doesn't exist (PROJECT_ID=#{project.id})")
return
end
# Create attachments folder if doesn't exist yet
FileUtils.mkdir_p(File.dirname(new_path)) unless Dir.exist?(File.dirname(new_path))
if File.file?(new_path)
logger.info("Skipped attachment migration from '#{old_path}' to '#{new_path}', target file already exist (PROJECT_ID=#{project.id})")
if File.exist?(new_path)
logger.error("Cannot migrate attachments from '#{old_path}' to '#{new_path}', target path already exist (PROJECT_ID=#{project.id})")
return
end
# Create hashed storage base path folder
FileUtils.mkdir_p(File.expand_path('..', new_path))
FileUtils.mv(old_path, new_path)
logger.info("Migrated project attachment from '#{old_path}' to '#{new_path}' (PROJECT_ID=#{project.id})")
logger.info("Migrated project attachments from '#{old_path}' to '#{new_path}' (PROJECT_ID=#{project.id})")
end
end
end

42
spec/services/projects/hashed_storage/migrate_attachments_service_spec.rb
View File

@ -8,65 +8,59 @@ describe Projects::HashedStorage::MigrateAttachmentsService do
let!(:upload) { Upload.find_by(path: file_uploader.relative_path) }
let(:file_uploader) { build(:file_uploader, project: project) }
let(:old_path) { attachments_path(legacy_storage, upload) }
let(:new_path) { attachments_path(hashed_storage, upload) }
let(:other_file_uploader) { build(:file_uploader, project: project) }
let(:other_old_path) { attachments_path(legacy_storage, other_upload) }
let(:other_new_path) { attachments_path(hashed_storage, other_upload) }
let(:old_path) { File.join(base_path(legacy_storage), upload.path) }
let(:new_path) { File.join(base_path(hashed_storage), upload.path) }
context '#execute' do
context 'when succeeds' do
it 'moves attachments to hashed storage layout' do
expect(File.file?(old_path)).to be_truthy
expect(File.file?(new_path)).to be_falsey
expect(File.exist?(base_path(legacy_storage))).to be_truthy
expect(File.exist?(base_path(hashed_storage))).to be_falsey
expect(FileUtils).to receive(:mv).with(base_path(legacy_storage), base_path(hashed_storage)).and_call_original
service.execute
expect(File.exist?(base_path(hashed_storage))).to be_truthy
expect(File.exist?(base_path(legacy_storage))).to be_falsey
expect(File.file?(old_path)).to be_falsey
expect(File.file?(new_path)).to be_truthy
end
end
context 'when original file does not exist anymore' do
let!(:other_upload) { Upload.find_by(path: other_file_uploader.relative_path) }
context 'when original folder does not exist anymore' do
before do
File.unlink(old_path)
FileUtils.rm_rf(base_path(legacy_storage))
end
it 'skips moving the file and goes to next' do
expect(FileUtils).not_to receive(:mv).with(old_path, new_path)
expect(FileUtils).to receive(:mv).with(other_old_path, other_new_path).and_call_original
it 'skips moving folders and go to next' do
expect(FileUtils).not_to receive(:mv).with(base_path(legacy_storage), base_path(hashed_storage))
service.execute
expect(File.exist?(base_path(hashed_storage))).to be_falsey
expect(File.file?(new_path)).to be_falsey
expect(File.file?(other_new_path)).to be_truthy
end
end
context 'when target file already exists' do
let!(:other_upload) { Upload.find_by(path: other_file_uploader.relative_path) }
context 'when target folder already exists' do
before do
FileUtils.mkdir_p(File.dirname(new_path))
FileUtils.touch(new_path)
FileUtils.mkdir_p(base_path(hashed_storage))
end
it 'skips moving the file and goes to next' do
expect(FileUtils).not_to receive(:mv).with(old_path, new_path)
expect(FileUtils).to receive(:mv).with(other_old_path, other_new_path).and_call_original
expect(File.file?(new_path)).to be_truthy
expect(FileUtils).not_to receive(:mv).with(base_path(legacy_storage), base_path(hashed_storage))
service.execute
expect(File.exist?(base_path(legacy_storage))).to be_truthy
expect(File.file?(old_path)).to be_truthy
end
end
end
def attachments_path(storage, upload)
File.join(CarrierWave.root, FileUploader.base_dir, storage.disk_path, upload.path)
def base_path(storage)
File.join(CarrierWave.root, FileUploader.base_dir, storage.disk_path)
end
end