Replace cron job `CreateOrchestrationPolicyWorker` with a PostReceive hook to catch direct updates to `policy.yml` (#512615) · Issues · GitLab.org / GitLab · GitLab Replace cron job `CreateOrchestrationPolicyWorker` with a PostReceive hook to catch direct updates to `policy.yml` <!--IssueSummary start--> <details> <summary> Everyone can contribute. 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Example workflow: https://about.gitlab.com/handbook/engineering/development/threat-management/planning/diagram.html#plan --> ## Why are we doing this work We could simplify the sync of outdated policies when `policy.yml` is modified directly and not via MR. Currently, there are two entry points to the policy updates: - Changes to `policy.yml` in a Security Policy Project via MR, where the sync of policies is triggered via [`PostMergeService`](https://gitlab.com/gitlab-org/gitlab/-/blob/master/ee/app/services/ee/merge_requests/post_merge_service.rb#L77) - Changes to `policy.yml` directly without MR where the changes are picked up by a cron job [CreateOrchestrationPolicyWorker](https://gitlab.com/gitlab-org/gitlab/-/blob/master/ee/app/workers/security/create_orchestration_policy_worker.rb#L16). This cron job compared a timestamp on the policy configuration with the timestamp of a [last update in the SPP repository](https://gitlab.com/gitlab-org/gitlab/-/blob/master/ee/app/models/security/orchestration_policy_configuration.rb#L53) and runs every 10 minutes. Downsides to using a cron job: - The updates via direct `policy.yml` modifications are delayed by up to 10 minutes - The cron job is doing unnecessary work - Any updates to the SPP repository trigger [Security::SyncScanPoliciesWorker](https://gitlab.com/gitlab-org/gitlab/-/blob/master/ee/app/workers/security/sync_scan_policies_worker.rb) where we [invalidate the policy cache](https://gitlab.com/gitlab-org/gitlab/-/blob/master/ee/app/workers/concerns/update_orchestration_policy_configuration.rb#L5), even if there's no change to `policy.yml` (for example, if `README.md` or any other file in the repo changes). This may be causing additional unnecessary work. We implemented a comparison with the DB policies to avoid unnecessary sync of all project policies to reduce some of the extra work, but we could improve that. We can add a hook in `PostReceive` and trigger the sync when we detect a change in `policy.yml` in a SPP project and remove the cron job which checks `with_outdated_configurations`. This would have the following advantages: - Reduce unnecessary work by removing the cron job that runs every 10 minutes - More targeted sync only when `policy.yml` is changed, as opposed to anything in the SPP repository - Faster sync of policies when `policy.yml` is modified directly ## Relevant links <!-- Information that the developer might need to refer to when implementing the issue. - [Design Issue](https://gitlab.com/gitlab-org/gitlab/-/issues/<id>) - [Design 1](https://gitlab.com/gitlab-org/gitlab/-/issues/<id>/designs/<image>.png) - [Design 2](https://gitlab.com/gitlab-org/gitlab/-/issues/<id>/designs/<image>.png) - [Similar implementation](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/<id>) --> ## Non-functional requirements <!-- Add details for required items and delete others. --> - [ ] Documentation: - [x] Feature flag: changes should be added behind feature flag just in case - [ ] Performance: - [ ] Testing: ## Implementation plan - Cron job - Change the cron job to run only once per day (to be extra safe we're not missing any updates) - We could add logging to check that it doesn't perform anything (as it shouldn't, only maybe in a race condition scenario, in which case the difference between the two timestamps should be very small). - Create a follow-up issue to evaluate the logs and check that the cron job is not needed, and remove it. - Trigger the policy sync via `BranchPushService` Rough idea: ```diff diff --git a/ee/app/services/ee/git/branch_push_service.rb b/ee/app/services/ee/git/branch_push_service.rb index 4f5a8e6339d4..5df2dbaa98e8 100644 --- a/ee/app/services/ee/git/branch_push_service.rb +++ b/ee/app/services/ee/git/branch_push_service.rb @@ -12,12 +12,28 @@ def execute enqueue_update_external_pull_requests enqueue_product_analytics_event_metrics enqueue_repository_xray + enqueue_policies_sync super end private + def enqueue_policies_sync + return unless project.licensed_feature_available?(:security_orchestration_policies) + return unless default_branch? + return unless ::Security::OrchestrationPolicyConfiguration.policy_management_project?(project.id) + + # Move the following to a worker and trigger it + modified_paths = ::Gitlab::Git::Push.new(project, oldrev, newrev, ref).modified_paths + return unless modified_paths.include?(::Security::OrchestrationPolicyConfiguration::POLICY_PATH) + + configurations = ::Security::OrchestrationPolicyConfiguration.for_management_project(project) + configurations.each do |configuration| + Security::SyncScanPoliciesWorker.perform_async(configuration.id) + end + end + def enqueue_product_analytics_event_metrics return unless project.product_analytics_enabled? return unless default_branch? ``` <!-- Workflow and other relevant labels # ~"group::" ~"Category:" ~"GitLab Ultimate" Other settings you might want to include when creating the issue. # /assign @ # /epic & --> ## Verification steps <!-- Add verification steps to help GitLab team members test the implementation. 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