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separate logical classes
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Fix missing access checks on issue lookup using IssuableFinder
Split from !2024 to partially solve https://gitlab.com/gitlab-org/gitlab-ce/issues/23867
:warning: - Potentially untested
:bomb: - No test coverage
:traffic_light: - Test coverage of some sort exists (a test failed when error raised)
:vertical_traffic_light: - Test coverage of return value (a test failed when nil used)
:white_check_mark: - Permissions check tested
- [x] :white_check_mark: app/controllers/projects/branches_controller.rb:39
- `before_action :authorize_push_code!` helpes limit/prevent exploitation. Always checks for reporter access so fine with
confidential issues, issues only visible to team, etc.
- [x] :traffic_light: app/models/cycle_analytics/summary.rb:9 [`.count`]
- [x] :white_check_mark: app/controllers/projects/todos_controller.rb:19
- [x] Potential double render in app/controllers/projects/todos_controller.rb
- https://dev.gitlab.org/gitlab/gitlabhq/merge_requests/2024/diffs#cedccb227af9bfdf88802767cb58d43c2b977439_24_24
See merge request !2030
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- The commit count was capped at 10, due to
`Gitlab::Git::Repository#log` enforcing a limit, with the default set
to 10.
- Reimplement a small portion of this `log` function to get just the
data we need.
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- Don't use `TableReferences` - using `.arel_table` is shorter!
- Move some database-related code to `Gitlab::Database`
- Remove the `MergeRequest#issues_closed` and
`Issue#closed_by_merge_requests` associations. They were either
shadowing or were too similar to existing methods. They are not being
used anywhere, so it's better to remove them to reduce confusion.
- Use Rails 3-style validations
- Index for `MergeRequest::Metrics#first_deployed_to_production_at`
- Only include `CycleAnalyticsHelpers::TestGeneration` for specs that
need it.
- Other minor refactorings.
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1. Change multiple updates to a single `update_all`
2. Use cascading deletes
3. Extract an average function for the database median.
4. Move database median to `lib/gitlab/database`
5. Use `delete_all` instead of `destroy_all`
6. Minor refactoring
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1. Add `summary` section.
2. `stats` is `null` if no stats are present.
3. `stats` and `summary` are both arrays.
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1. Use Arel for composable queries.
2. For a project with ~10k issues, the page loads in around 600ms.
Previously, a project with ~5k issues would have a ~20s page load
time.
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1. These changes bring down page load time for 100 issues from more than
a minute to about 1.5 seconds.
2. This entire commit is composed of these types of performance
enhancements:
- Cache relevant data in `IssueMetrics` wherever possible.
- Cache relevant data in `MergeRequestMetrics` wherever possible.
- Preload metrics
3. Given these improvements, we now only need to make 4 SQL calls:
- Load all issues
- Load all merge requests
- Load all metrics for the issues
- Load all metrics for the merge requests
4. A list of all the data points that are now being pre-calculated:
a. The first time an issue is mentioned in a commit
- In `GitPushService`, find all issues mentioned by the given commit
using `ReferenceExtractor`. Set the `first_mentioned_in_commit_at`
flag for each of them.
- There seems to be a (pre-existing) bug here - files (and
therefore commits) created using the Web CI don't have
cross-references created, and issues are not closed even when
the commit title is "Fixes #xx".
b. The first time a merge request is deployed to production
When a `Deployment` is created, find all merge requests that
were merged in before the deployment, and set the
`first_deployed_to_production_at` flag for each of them.
c. The start / end time for a merge request pipeline
Hook into the `Pipeline` state machine. When the `status` moves to
`running`, find the merge requests whose tip commit matches the
pipeline, and record the `latest_build_started_at` time for each
of them. When the `status` moves to `success`, record the
`latest_build_finished_at` time.
d. The merge requests that close an issue
- This was a big cause of the performance problems we were having
with Cycle Analytics. We need to use `ReferenceExtractor` to make
this calculation, which is slow when we have to run it on a large
number of merge requests.
- When a merge request is created, updated, or refreshed, find the
issues it closes, and create an instance of
`MergeRequestsClosingIssues`, which acts as a join model between
merge requests and issues.
- If a `MergeRequestsClosingIssues` instance links a merge request
and an issue, that issue closes that merge request.
5. The `Queries` module was changed into a class, so we can cache the
results of `issues` and `merge_requests_closing_issues` across
various cycle analytics stages.
6. The code added in this commit is untested. Tests will be added in the
next commit.
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Remove overlap from the "start + end" durations in the happy test
case. For the `staging` phase, the end time is the _first_ deployment
that happens after the MR merge.
If we have 5 MRs where the `start_time`s (merge time) are the
same, and all the `end_time`s (deploy to production) a few days from
now, only the earliest deploy will get picked up, because that
consitutes a deploy for _all_ the MRs.
We fix this by removing overlap. Every `start_time` is now generated to
be _after_ the preceding `end_time`.
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- The `review` phase ends when a MR is merged, not "merged OR closed".
- The `code` phase starts when a MR is first mentioned in a commit, and
ends when a merge request closing the issue is created.
- The `plan` phase ends when the issue first mentioned in a commit.
---
- Fix the `median` function so it sorts the incoming data points.
- A data point where `end_time` is prior to `start_time` is invalid.
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1. Supported date ranges are 30 / 90 days ago. The default is 90 days
ago.
2. All issues created before "x days ago" are filtered out, even if they
have other related data (test runs, merge requests) within the filter
range.
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1. Pass in an array of queries - the first to return a value will be
used. This makes it easier to add more heuristics later.
2. Convert all queries with 'or' in the title to two separate queries.
3. Rename all `mr_` methods to `merge_request_`
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1. Rewrite the `Queries` module to work off a `data_point` hash, with
`issue` and `merge_request` as keys. The "production" query needs
both an issue and a merge request to make it's calculation, so it
makes sense to keep things consistent and provide the same
data (issue + merge request) for all queries.
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1. Record the `wip_flag_first_removed_at` and
`first_assigned_to_user_other_than_author` metrics for a merge
request. Use a `merge_request_metrics` table, similar to the one for
`issues`. Metrics are recorded `after_save`.
2. Move larger queries to a `CycleAnalytics::Queries` module.
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