233 lines
5.8 KiB
Ruby
233 lines
5.8 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Ci
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class Trace
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include ::Gitlab::ExclusiveLeaseHelpers
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LOCK_TTL = 1.minute
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LOCK_RETRIES = 2
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LOCK_SLEEP = 0.001.seconds
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ArchiveError = Class.new(StandardError)
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AlreadyArchivedError = Class.new(StandardError)
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attr_reader :job
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delegate :old_trace, to: :job
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def initialize(job)
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@job = job
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end
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def html(last_lines: nil)
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read do |stream|
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stream.html(last_lines: last_lines)
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end
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end
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def raw(last_lines: nil)
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read do |stream|
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stream.raw(last_lines: last_lines)
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end
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end
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def extract_coverage(regex)
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read do |stream|
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stream.extract_coverage(regex)
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end
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end
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def extract_sections
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read do |stream|
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stream.extract_sections
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end
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end
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def set(data)
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write('w+b') do |stream|
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data = job.hide_secrets(data)
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stream.set(data)
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end
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end
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def append(data, offset)
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write('a+b') do |stream|
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current_length = stream.size
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break current_length unless current_length == offset
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data = job.hide_secrets(data)
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stream.append(data, offset)
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stream.size
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end
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end
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def exist?
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trace_artifact&.exists? || job.trace_chunks.any? || current_path.present? || old_trace.present?
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end
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def read
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stream = Gitlab::Ci::Trace::Stream.new do
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if trace_artifact
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trace_artifact.open
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elsif job.trace_chunks.any?
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Gitlab::Ci::Trace::ChunkedIO.new(job)
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elsif current_path
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File.open(current_path, "rb")
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elsif old_trace
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StringIO.new(old_trace)
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end
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end
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yield stream
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ensure
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stream&.close
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end
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def write(mode, &blk)
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in_write_lock do
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unsafe_write!(mode, &blk)
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end
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end
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def erase!
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##
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# Erase the archived trace
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trace_artifact&.destroy!
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##
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# Erase the live trace
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job.trace_chunks.fast_destroy_all # Destroy chunks of a live trace
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FileUtils.rm_f(current_path) if current_path # Remove a trace file of a live trace
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job.erase_old_trace! if job.has_old_trace? # Remove a trace in database of a live trace
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ensure
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@current_path = nil
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end
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def archive!
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in_write_lock do
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unsafe_archive!
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end
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end
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private
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def unsafe_write!(mode, &blk)
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stream = Gitlab::Ci::Trace::Stream.new do
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if trace_artifact
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raise AlreadyArchivedError, 'Could not write to the archived trace'
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elsif current_path
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File.open(current_path, mode)
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elsif Feature.enabled?('ci_enable_live_trace')
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Gitlab::Ci::Trace::ChunkedIO.new(job)
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else
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File.open(ensure_path, mode)
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end
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end
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yield(stream).tap do
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job.touch if job.needs_touch?
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end
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ensure
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stream&.close
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end
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def unsafe_archive!
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raise AlreadyArchivedError, 'Could not archive again' if trace_artifact
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raise ArchiveError, 'Job is not finished yet' unless job.complete?
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if job.trace_chunks.any?
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Gitlab::Ci::Trace::ChunkedIO.new(job) do |stream|
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archive_stream!(stream)
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stream.destroy!
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end
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elsif current_path
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File.open(current_path) do |stream|
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archive_stream!(stream)
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FileUtils.rm(current_path)
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end
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elsif old_trace
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StringIO.new(old_trace, 'rb').tap do |stream|
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archive_stream!(stream)
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job.erase_old_trace!
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end
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end
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end
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def in_write_lock(&blk)
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lock_key = "trace:write:lock:#{job.id}"
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in_lock(lock_key, ttl: LOCK_TTL, retries: LOCK_RETRIES, sleep_sec: LOCK_SLEEP, &blk)
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end
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def archive_stream!(stream)
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clone_file!(stream, JobArtifactUploader.workhorse_upload_path) do |clone_path|
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create_build_trace!(job, clone_path)
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end
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end
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def clone_file!(src_stream, temp_dir)
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FileUtils.mkdir_p(temp_dir)
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Dir.mktmpdir('tmp-trace', temp_dir) do |dir_path|
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temp_path = File.join(dir_path, "job.log")
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FileUtils.touch(temp_path)
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size = IO.copy_stream(src_stream, temp_path)
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raise ArchiveError, 'Failed to copy stream' unless size == src_stream.size
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yield(temp_path)
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end
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end
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def create_build_trace!(job, path)
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File.open(path) do |stream|
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# TODO: Set `file_format: :raw` after we've cleaned up legacy traces migration
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# https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/20307
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job.create_job_artifacts_trace!(
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project: job.project,
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file_type: :trace,
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file: stream,
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file_sha256: Digest::SHA256.file(path).hexdigest)
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end
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end
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def ensure_path
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return current_path if current_path
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ensure_directory
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default_path
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end
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def ensure_directory
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unless Dir.exist?(default_directory)
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FileUtils.mkdir_p(default_directory)
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end
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end
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def current_path
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@current_path ||= paths.find do |trace_path|
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File.exist?(trace_path)
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end
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end
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def paths
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[default_path]
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end
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def default_directory
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File.join(
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Settings.gitlab_ci.builds_path,
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job.created_at.utc.strftime("%Y_%m"),
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job.project_id.to_s
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)
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end
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def default_path
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File.join(default_directory, "#{job.id}.log")
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end
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def trace_artifact
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job.job_artifacts_trace
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end
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end
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end
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end
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