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Commit 3f76ce24 authored by Lin Jen-Shin's avatar Lin Jen-Shin
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Merge branch 'simplify-pipeline-types-doc' into 'master' 

Simplify pipeline types documentation

See merge request gitlab-org/gitlab!76740
parents 92bcf428 478b4354
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doc/development/pipelines.md
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......@@ -266,318 +266,123 @@ We follow the [PostgreSQL versions shipped with Omnibus GitLab](../administratio
## Pipelines types for merge requests
In general, pipelines for an MR fall into one or more of the following types,
depending on the changes made in the MR:
In general, pipelines for an MR fall into one of the following types (from shorter to longer), depending on the changes made in the MR:
- [Documentation only MR pipeline](#documentation-only-mr-pipeline): This is typically created for an MR that only changes documentation.
- [Code-only MR pipeline](#code-only-mr-pipeline): This is typically created for an MR that only changes code, either backend or frontend.
- [Frontend-only MR pipeline](#frontend-only-mr-pipeline): This is typically created for an MR that only changes frontend code.
- [QA-only MR pipeline](#qa-only-mr-pipeline): This is typically created for an MR that only changes end to end tests related code.
- [Documentation pipeline](#documentation-pipeline): For MRs that touch documentation.
- [Backend pipeline](#backend-pipeline): For MRs that touch backend code.
- [Frontend pipeline](#frontend-pipeline): For MRs that touch frontend code.
- [End-to-end pipeline](#end-to-end-pipeline): For MRs that touch code in the `qa/` folder.
A "pipeline type" is an abstract term that mostly describes the "critical path" (i.e. the chain of jobs for which the sum
of individual duration equals the pipeline's duration).
We use these "pipeline types" in [metrics dashboards](https://app.periscopedata.com/app/gitlab/858266/GitLab-Pipeline-Durations)
in order to detect what types and jobs need to be optimized first.
An MR that touches multiple areas would be associated with the longest type applicable. For instance, an MR that touches backend
and frontend would fall into the "Frontend" pipeline type since this type takes longer to finish than the "Backend" pipeline type.
We use the [`rules:`](../ci/yaml/index.md#rules) and [`needs:`](../ci/yaml/index.md#needs) keywords extensively
to determine the jobs that need to be run in a pipeline. Note that an MR that includes multiple types of changes would
have a pipelines that include jobs from multiple types (for example, a combination of docs-only and code-only pipelines).
### Documentation only MR pipeline
Following are graphs of the critical paths for each pipeline type. Jobs that aren't part of the critical path are ommitted.
### Documentation pipeline
[Reference pipeline](https://gitlab.com/gitlab-org/gitlab/-/pipelines/250546928):
[Reference pipeline](https://gitlab.com/gitlab-org/gitlab/-/pipelines/432049110).
```mermaid
graph LR
subgraph "No needed jobs";
1-1["danger-review (2.3 minutes)"];
click 1-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8100542&udv=0"
1-2["docs-lint markdown (1.5 minutes)"];
click 1-2 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=10224335&udv=0"
classDef criticalPath fill:#f66;
1-3["docs-lint links (5 minutes)"];
class 1-3 criticalPath;
click 1-3 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8356757&udv=0"
1-4["ui-docs-links lint (2.5 minutes)"];
click 1-4 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=10823717&udv=1020379"
end
```
### Code-only MR pipeline
### Backend pipeline
[Reference pipeline](https://gitlab.com/gitlab-org/gitlab/pipelines/136295694)
[Reference pipeline](https://gitlab.com/gitlab-org/gitlab/-/pipelines/433316063).
```mermaid
graph RL;
classDef criticalPath fill:#f66;
subgraph "No needed jobs";
1-1["danger-review (2.3 minutes)"];
click 1-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8100542&udv=0"
1-2["build-qa-image (2 minutes)"];
click 1-2 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914325&udv=0"
1-3["compile-test-assets (6 minutes)"];
class 1-3 criticalPath;
click 1-3 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914317&udv=0"
1-4["compile-test-assets as-if-foss (7 minutes)"];
click 1-4 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8356616&udv=0"
1-5["compile-production-assets (14 minutes)"];
click 1-5 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914312&udv=0"
1-6["setup-test-env (4 minutes)"];
click 1-6 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914315&udv=0"
1-7["review-delete-deployment"];
1-8["dependency_scanning"];
1-9["qa:internal, qa:internal-as-if-foss"];
1-11["qa:selectors, qa:selectors-as-if-foss"];
1-14["retrieve-tests-metadata (1 minutes)"];
1-14["retrieve-tests-metadata"];
click 1-14 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8356697&udv=0"
1-15["code_quality"];
1-16["brakeman-sast"];
1-17["eslint-sast"];
1-18["kubesec-sast"];
1-20["secrets-sast"];
1-21["static-analysis (14 minutes)"];
click 1-21 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914471&udv=0"
class 1-3 criticalPath;
class 1-6 criticalPath;
end
2_1-1["graphql-verify (2.3 minutes)"];
click 2_1-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8356715&udv=0"
2_1-2["memory-static (4.75 minutes)"];
click 2_1-2 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8356721&udv=0"
2_1-3["run-dev-fixtures (3 minutes)"];
click 2_1-3 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8356729&udv=0"
2_1-4["run-dev-fixtures-ee (4 minutes)"];
click 2_1-4 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8356731&udv=0"
subgraph "Needs `setup-test-env`";
2_1-1 & 2_1-2 & 2_1-3 & 2_1-4 --> 1-6;
end
2_2-2["rspec-all frontend_fixture (7 minutes)"];
class 2_2-2 criticalPath;
click 2_2-2 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=7910143&udv=0"
2_2-4["memory-on-boot (3.5 minutes)"];
click 2_2-4 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8356727&udv=0"
2_2-5["webpack-dev-server (4 minutes)"];
click 2_2-5 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8404303&udv=0"
subgraph "Needs `setup-test-env` & `compile-test-assets`";
2_2-2 & 2_2-4 & 2_2-5 --> 1-6 & 1-3;
end
2_3-1["build-assets-image (1.6 minutes)"];
subgraph "Needs `compile-production-assets`";
2_3-1 --> 1-5
end
1-15["detect-tests"];
click 1-15 "https://app.periscopedata.com/app/gitlab/652085/EP---Jobs-Durations?widget=10113603&udv=1005715"
2_4-1["package-and-qa (manual)"];
subgraph "Needs `build-qa-image`";
2_4-1 --> 1-2;
click 2_4-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914305&udv=0"
end
2_5-1["rspec & db jobs (12-22 minutes)"];
subgraph "Needs `compile-test-assets`, `setup-test-env`, & `retrieve-tests-metadata`";
2_5-1 --> 1-3 & 1-6 & 1-14;
2_5-1["rspec & db jobs (24 minutes)"];
class 2_5-1 criticalPath;
click 2_5-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations"
end
2_5-1 --> 1-3 & 1-6 & 1-14 & 1-15;
3_1-1["jest (14.5 minutes)"];
class 3_1-1 criticalPath;
click 3_1-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914204&udv=0"
subgraph "Needs `rspec-all frontend_fixture`";
3_1-1 --> 2_2-2;
end
3_2-1["rspec:coverage (4 minutes)"];
subgraph "Depends on `rspec` jobs";
3_2-1 -.->|"(don't use needs because of limitations)"| 2_5-1;
3_2-1["rspec:coverage (5.35 minutes)"];
class 3_2-1 criticalPath;
click 3_2-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=7248745&udv=0"
end
3_2-1 -.->|"(don't use needs<br/>because of limitations)"| 2_5-1;
4_3-1["rspec:undercoverage (3.5 minutes)"];
class 4_3-1 criticalPath;
click 4_3-1 "https://app.periscopedata.com/app/gitlab/652085/EP---Jobs-Durations?widget=13446492&udv=1005715"
4_3-1 --> 3_2-1;
4_1-1["coverage-frontend (2 minutes)"];
subgraph "Needs `jest`";
4_1-1 --> 3_1-1;
class 4_1-1 criticalPath;
click 4_1-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=7910777&udv=0"
end
```
### Frontend-only MR pipeline
### Frontend pipeline
[Reference pipeline](https://gitlab.com/gitlab-org/gitlab/pipelines/134661039):
[Reference pipeline](https://gitlab.com/gitlab-org/gitlab/-/pipelines/431913287).
```mermaid
graph RL;
classDef criticalPath fill:#f66;
subgraph "No needed jobs";
1-1["danger-review (2.3 minutes)"];
click 1-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8100542&udv=0"
1-2["build-qa-image (2 minutes)"];
click 1-2 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914325&udv=0"
1-3["compile-test-assets (6 minutes)"];
click 1-3 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914317&udv=0"
1-4["compile-test-assets as-if-foss (7 minutes)"];
click 1-4 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8356616&udv=0"
1-5["compile-production-assets (14 minutes)"];
click 1-5 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914312&udv=0"
1-6["setup-test-env (4 minutes)"];
click 1-6 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914315&udv=0"
1-7["review-stop-failed-deployment"];
1-8["dependency_scanning"];
1-9["qa:internal, qa:internal-as-if-foss"];
1-11["qa:selectors, qa:selectors-as-if-foss"];
1-14["retrieve-tests-metadata (1 minutes)"];
click 1-14 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8356697&udv=0"
1-15["code_quality"];
1-16["brakeman-sast"];
1-17["eslint-sast"];
1-18["kubesec-sast"];
1-20["secrets-sast"];
1-21["static-analysis (14 minutes)"];
click 1-21 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914471&udv=0"
class 1-3 criticalPath;
1-5["compile-production-assets (16 minutes)"];
class 1-5 criticalPath;
class 1-6 criticalPath;
end
2_1-1["graphql-verify (2.3 minutes)"];
click 2_1-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8356715&udv=0"
2_1-2["memory-static (4.75 minutes)"];
click 2_1-2 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8356721&udv=0"
2_1-3["run-dev-fixtures (3 minutes)"];
click 2_1-3 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8356729&udv=0"
2_1-4["run-dev-fixtures-ee (4 minutes)"];
click 2_1-4 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8356731&udv=0"
subgraph "Needs `setup-test-env`";
2_1-1 & 2_1-2 & 2_1-3 & 2_1-4 --> 1-6;
end
2_2-2["rspec-all frontend_fixture (7 minutes)"];
class 2_2-2 criticalPath;
click 2_2-2 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=7910143&udv=0"
2_2-4["memory-on-boot (3.5 minutes)"];
click 2_2-4 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8356727&udv=0"
2_2-5["webpack-dev-server (4 minutes)"];
click 2_2-5 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8404303&udv=0"
subgraph "Needs `setup-test-env` & `compile-test-assets`";
2_2-2 & 2_2-4 & 2_2-5 --> 1-6 & 1-3;
end
click 1-5 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914312&udv=0"
2_3-1["build-assets-image (1.6 minutes)"];
2_3-1["build-assets-image (1.3 minutes)"];
class 2_3-1 criticalPath;
subgraph "Needs `compile-production-assets`";
2_3-1 --> 1-5
end
2_4-1["package-and-qa (manual)"];
subgraph "Needs `build-qa-image` & `build-assets-image`";
2_4-1 --> 1-2 & 2_3-1;
click 2_4-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914305&udv=0"
end
2_5-1["rspec & db jobs (12-22 minutes)"];
subgraph "Needs `compile-test-assets`, `setup-test-env, & `retrieve-tests-metadata`";
2_5-1 --> 1-3 & 1-6 & 1-14;
class 2_5-1 criticalPath;
click 2_5-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations"
end
2_6-1["review-build-cng (27 minutes)"];
subgraph "Needs `build-assets-image`";
2_6-1 --> 2_3-1;
2_6-1["start-review-app-pipeline (49 minutes)"];
class 2_6-1 criticalPath;
click 2_6-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914314&udv=0"
end
3_1-1["jest (14.5 minutes)"];
class 3_1-1 criticalPath;
click 3_1-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914204&udv=0"
subgraph "Needs `rspec-all frontend_fixture`";
3_1-1 --> 2_2-2;
end
3_2-1["rspec:coverage (4 minutes)"];
subgraph "Depends on `rspec` jobs";
3_2-1 -.->|"(don't use needs because of limitations)"| 2_5-1;
click 3_2-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=7248745&udv=0"
end
4_1-1["coverage-frontend (2 minutes)"];
subgraph "Needs `jest`";
4_1-1 --> 3_1-1;
class 4_1-1 criticalPath;
click 4_1-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=7910777&udv=0"
end
3_3-1["review-deploy (9 minutes)"];
subgraph "Played by `review-build-cng`";
3_3-1 --> 2_6-1;
class 3_3-1 criticalPath;
click 3_3-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6721130&udv=0"
end
4_2-1["review-qa-smoke (7.4 minutes)"];
click 4_2-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6729805&udv=0"
4_2-2["review-performance (2.5 minutes)"];
click 4_2-2 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8356817&udv=0"
subgraph "Played by `review-deploy`";
4_2-1 & 4_2-2 --> 3_3-1;
end
click 2_6-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations"
2_6-1 --> 2_3-1 & 1-2;
```
### QA-only MR pipeline
### End-to-end pipeline
[Reference pipeline](https://gitlab.com/gitlab-org/gitlab/pipelines/134645109):
[Reference pipeline](https://gitlab.com/gitlab-org/gitlab/-/pipelines/431918463).
```mermaid
graph RL;
classDef criticalPath fill:#f66;
subgraph "No needed jobs";
1-1["danger-review (2.3 minutes)"];
click 1-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8100542&udv=0"
1-2["build-qa-image (2 minutes)"];
click 1-2 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914325&udv=0"
1-3["compile-test-assets (6 minutes)"];
click 1-3 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914317&udv=0"
1-4["compile-test-assets as-if-foss (7 minutes)"];
click 1-4 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8356616&udv=0"
1-5["compile-production-assets (14 minutes)"];
click 1-5 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914312&udv=0"
1-6["setup-test-env (4 minutes)"];
click 1-6 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914315&udv=0"
1-7["review-stop-failed-deployment"];
1-8["dependency_scanning"];
1-9["qa:internal, qa:internal-as-if-foss"];
1-11["qa:selectors, qa:selectors-as-if-foss"];
1-14["retrieve-tests-metadata (1 minutes)"];
click 1-14 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8356697&udv=0"
1-15["code_quality"];
1-16["brakeman-sast"];
1-17["eslint-sast"];
1-18["kubesec-sast"];
1-20["secrets-sast"];
1-21["static-analysis (14 minutes)"];
click 1-21 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914471&udv=0"
1-5["compile-production-assets (16 minutes)"];
class 1-5 criticalPath;
end
2_1-1["graphql-verify (2.3 minutes)"];
click 2_1-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=8356715&udv=0"
subgraph "Needs `setup-test-env`";
2_1-1 --> 1-6;
end
click 1-5 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914312&udv=0"
1-15["detect-tests"];
click 1-15 "https://app.periscopedata.com/app/gitlab/652085/EP---Jobs-Durations?widget=10113603&udv=1005715"
2_3-1["build-assets-image (1.6 minutes)"];
subgraph "Needs `compile-production-assets`";
2_3-1 --> 1-5
2_3-1["build-assets-image (1.3 minutes)"];
class 2_3-1 criticalPath;
end
2_3-1 --> 1-5
2_4-1["package-and-qa (113 minutes)"];
subgraph "Needs `build-qa-image` & `build-assets-image`";
2_4-1 --> 1-2 & 2_3-1;
2_4-1["package-and-qa (102 minutes)"];
class 2_4-1 criticalPath;
click 2_4-1 "https://app.periscopedata.com/app/gitlab/652085/Engineering-Productivity---Pipeline-Build-Durations?widget=6914305&udv=0"
end
2_4-1 --> 1-2 & 2_3-1 & 1-15;
```
## CI configuration internals
......
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