diff options
author | Douglas Barbosa Alexandre <dbalexandre@gmail.com> | 2019-07-04 19:30:40 +0300 |
---|---|---|
committer | Douglas Barbosa Alexandre <dbalexandre@gmail.com> | 2019-07-04 19:30:40 +0300 |
commit | eaa6edbff3dd6bc888d975bb1eb9b52f045930fa (patch) | |
tree | b5cdf896d5486974a9435516cd735e6ee038e8f4 /app | |
parent | dece84065f9dee04661e54af4f7016e7c50b63a6 (diff) | |
parent | 381468d0cc6e5b528a4b2207c0a534569035a73f (diff) |
Merge branch '54117-transactional-rebase' into 'master'
Allow asynchronous rebase operations to be monitored
Closes #54117
See merge request gitlab-org/gitlab-ce!29940
Diffstat (limited to 'app')
-rw-r--r-- | app/controllers/projects/merge_requests_controller.rb | 2 | ||||
-rw-r--r-- | app/models/merge_request.rb | 28 | ||||
-rw-r--r-- | app/services/merge_requests/rebase_service.rb | 4 | ||||
-rw-r--r-- | app/workers/rebase_worker.rb | 2 |
4 files changed, 33 insertions, 3 deletions
diff --git a/app/controllers/projects/merge_requests_controller.rb b/app/controllers/projects/merge_requests_controller.rb index 7ee8e0ea8f8..2aa2508be16 100644 --- a/app/controllers/projects/merge_requests_controller.rb +++ b/app/controllers/projects/merge_requests_controller.rb @@ -201,7 +201,7 @@ class Projects::MergeRequestsController < Projects::MergeRequests::ApplicationCo end def rebase - RebaseWorker.perform_async(@merge_request.id, current_user.id) + @merge_request.rebase_async(current_user.id) head :ok end diff --git a/app/models/merge_request.rb b/app/models/merge_request.rb index 8391d526d18..e96e26cc773 100644 --- a/app/models/merge_request.rb +++ b/app/models/merge_request.rb @@ -223,7 +223,13 @@ class MergeRequest < ApplicationRecord end def rebase_in_progress? - strong_memoize(:rebase_in_progress) do + (rebase_jid.present? && Gitlab::SidekiqStatus.running?(rebase_jid)) || + gitaly_rebase_in_progress? + end + + # TODO: remove the Gitaly lookup after v12.1, when rebase_jid will be reliable + def gitaly_rebase_in_progress? + strong_memoize(:gitaly_rebase_in_progress) do # The source project can be deleted next false unless source_project @@ -389,6 +395,26 @@ class MergeRequest < ApplicationRecord update_column(:merge_jid, jid) end + # Set off a rebase asynchronously, atomically updating the `rebase_jid` of + # the MR so that the status of the operation can be tracked. + def rebase_async(user_id) + transaction do + lock! + + raise ActiveRecord::StaleObjectError if !open? || rebase_in_progress? + + # Although there is a race between setting rebase_jid here and clearing it + # in the RebaseWorker, it can't do any harm since we check both that the + # attribute is set *and* that the sidekiq job is still running. So a JID + # for a completed RebaseWorker is equivalent to a nil JID. + jid = Sidekiq::Worker.skipping_transaction_check do + RebaseWorker.perform_async(id, user_id) + end + + update_column(:rebase_jid, jid) + end + end + def merge_participants participants = [author] diff --git a/app/services/merge_requests/rebase_service.rb b/app/services/merge_requests/rebase_service.rb index 4b9921c28ba..8d3b9b05819 100644 --- a/app/services/merge_requests/rebase_service.rb +++ b/app/services/merge_requests/rebase_service.rb @@ -15,7 +15,7 @@ module MergeRequests end def rebase - if merge_request.rebase_in_progress? + if merge_request.gitaly_rebase_in_progress? log_error('Rebase task canceled: Another rebase is already in progress', save_message_on_model: true) return false end @@ -27,6 +27,8 @@ module MergeRequests log_error(REBASE_ERROR, save_message_on_model: true) log_error(e.message) false + ensure + merge_request.update_column(:rebase_jid, nil) end end end diff --git a/app/workers/rebase_worker.rb b/app/workers/rebase_worker.rb index a6baebc1443..8d06adcd993 100644 --- a/app/workers/rebase_worker.rb +++ b/app/workers/rebase_worker.rb @@ -1,5 +1,7 @@ # frozen_string_literal: true +# The RebaseWorker must be wrapped in important concurrency code, so should only +# be scheduled via MergeRequest#rebase_async class RebaseWorker include ApplicationWorker |