Various Rails initializers (metrics, sentry, etc) are run before migrations,
which can lead to a mismatch between app/models/application_settings.rb and
schema.
This commit introduces the usage of Common Table Expressions (CTEs) to
efficiently retrieve nested group hierarchies, without having to rely on
the "routes" table (which is an _incredibly_ inefficient way of getting
the data). This requires a patch to ActiveRecord (found in the added
initializer) to work properly as ActiveRecord doesn't support WITH
statements properly out of the box.
Unfortunately MySQL provides no efficient way of getting nested groups.
For example, the old routes setup could easily take 5-10 seconds
depending on the amount of "routes" in a database. Providing vastly
different logic for both MySQL and PostgreSQL will negatively impact the
development process. Because of this the various nested groups related
methods return empty relations when used in combination with MySQL.
For project authorizations the logic is split up into two classes:
* Gitlab::ProjectAuthorizations::WithNestedGroups
* Gitlab::ProjectAuthorizations::WithoutNestedGroups
Both classes get the fresh project authorizations (= as they should be
in the "project_authorizations" table), including nested groups if
PostgreSQL is used. The logic of these two classes is quite different
apart from their public interface. This complicates development a bit,
but unfortunately there is no way around this.
This commit also introduces Gitlab::GroupHierarchy. This class can be
used to get the ancestors and descendants of a base relation, or both by
using a UNION. This in turn is used by methods such as:
* Namespace#ancestors
* Namespace#descendants
* User#all_expanded_groups
Again this class relies on CTEs and thus only works on PostgreSQL. The
Namespace methods will return an empty relation when MySQL is used,
while User#all_expanded_groups will return only the groups a user is a
direct member of.
Performance wise the impact is quite large. For example, on GitLab.com
Namespace#descendants used to take around 580 ms to retrieve data for a
particular user. Using CTEs we are able to reduce this down to roughly 1
millisecond, returning the exact same data.
== On The Fly Refreshing
Refreshing of authorizations on the fly (= when
users.authorized_projects_populated was not set) is removed with this
commit. This simplifies the code, and ensures any queries used for
authorizations are not mutated because they are executed in a Rails
scope (e.g. Project.visible_to_user).
This commit includes a migration to schedule refreshing authorizations
for all users, ensuring all of them have their authorizations in place.
Said migration schedules users in batches of 5000, with 5 minutes
between every batch to smear the load around a bit.
== Spec Changes
This commit also introduces some changes to various specs. For example,
some specs for ProjectTeam assumed that creating a personal project
would _not_ lead to the owner having access, which is incorrect. Because
we also no longer refresh authorizations on the fly for new users some
code had to be added to the "empty_project" factory. This chunk of code
ensures that the owner's permissions are refreshed after creating the
project, something that is normally done in Projects::CreateService.
I don't know why this happens exactly, but given an upstream and fork repository
from a customer, both of which required GC, resolving conflicts would corrupt
the fork so badly that it couldn't be cloned.
This isn't a perfect fix for that case, because the MR may still need to be
merged manually, but it does ensure that the repository is at least usable.
My best guess is that when we generate the index for the conflict
resolution (which we previously did in the target project), we obtain a
reference to an OID that doesn't exist in the source, even though we already
fetch the refs from the target into the source.
Explicitly setting the source project as the place to get the merge index from
seems to prevent repository corruption in this way.
Rename column in the database
Rename fields related to import/export feature
Rename API endpoints
Rename documentation links
Rename the rest of occurrences in the code
Replace the images that contain the words "build succeeds" and docs referencing to them
Make sure pipeline is green and nothing is missing.
updated doc images
renamed only_allow_merge_if_build_succeeds in projects and fixed references
more updates
fix some spec failures
fix rubocop offences
fix v3 api spec
fix MR specs
fixed issues with partials
fix MR spec
fix alignment
add missing v3 to v4 doc
wip - refactor v3 endpoints
fix specs
fix a few typos
fix project specs
copy entities fully to V3
fix entity error
more fixes
fix failing specs
fixed missing entities in V3 API
remove comment
updated code based on feedback
typo
fix spec
When reading conflicts:
1. Add a `type` field. `text` works as before, and has `sections`;
`text-editor` is a file with ambiguous conflict markers that can only
be resolved in an editor.
2. Add a `content_path` field pointing to a JSON representation of the
file's content for a single file.
3. Hitting `content_path` returns a similar datastructure to the `file`,
but without the `content_path` and `sections` fields, and with a
`content` field containing the full contents of the file (with
conflict markers).
When writing conflicts:
1. Instead of `sections` being at the top level, they are now in a
`files` array. This matches the read format better.
2. The `files` array contains file hashes, each of which must contain:
a. `new_path`
b. `old_path`
c. EITHER `sections` (which works as before) or `content` (with the
full content of the resolved file).
Add test for closed MR without fork
Add view test visibility of Reopen and Close buttons
Fix controller tests and validation method
Fix missing space
Remove unused variables from test
closed_without_fork? method refactoring
Add information about missing fork
When closed MR without fork can't edit target branch
Tests for closed MR edit view
Fix indentation and rebase, refactoring
The issue was that `MergeRequest#mergeable?` returns false when the CI
state is not success and project.only_allow_merge_if_build_succeeds is
true. In this case `Projects::MergeRequestsController#merge` would
return the `:failed` status when enabling `merge_when_build_succeeds`,
thus leading to a weird state and the MR never automatically merged.
The fix is to disable the CI state check in the controller safeguard
that early return the `:failed` status.
Signed-off-by: Rémy Coutable <remy@rymai.me>
Set a `sha` parameter on the MR form. If this doesn't match the HEAD of
the source branch when the form is submitted, show a warning (like with
a merge conflict) and don't merge the branch.
Dmitriy Zaporozhets
Filipa Lacerda
Douwe Maan
Grzegorz Bizon
Robert Speicher
Oswaldo Ferreira
Paul Charlton
Nick Thomas
Douwe Maan
Robert Speicher
Felipe Artur
Yorick Peterse
Sean McGivern
Sean McGivern
Fatih Acet
Valery Sizov
Jacopo
Luke "Jared" Bennett
Shinya Maeda
DJ Mountney
James Lopez
Grzegorz Bizon
Jarka Kadlecova
Jarka Kadlecova
Tiago Botelho
Alex Sanford
Rémy Coutable
Rodolfo Santos
Z.J. van de Weg
Alfredo Sumaran
James Edwards-Jones
James
Thomas Balthazar
Douglas Barbosa Alexandre
Katarzyna Kobierska
Paco Guzman
Jacob Vosmaer (GitLab)
Kamil Trzcinski
Gabriel Mazetto
Rubén Dávila
Minsik Yoon
Stan Hu