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esp-idf/.gitlab/ci/README.md

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IDF CI

General Workflow

  1. Push to a remote branch
  2. Create an MR, choose related labels (not required)
  3. A detached pipeline will be created.
  4. if you push a new commit, a new pipeline will be created automatically.

Details:

  1. If an MR title starts with WIP: or Draft:, push commit will NOT trigger a merge-request pipeline
  2. If a commit message starts with test ci:, pushing a commit will trigger a merge-request pipeline even when the MR title starts with WIP: or Draft:.
  3. If a commit message starts with WIP: or Draft:, push commit will NOT trigger a pipeline

What if Expected Jobs ARE NOT Created?

  1. check the file patterns

    If you found a job that is not running as expected with some file changes, a git commit to improve the pattern will be appreciated.

  2. please add MR labels to run additional tests

MR labels for additional jobs

Supported MR Labels

  • build
  • build_docs
  • component_ut[_esp32/esp32s2/...]
  • custom_test[_esp32/esp32s2/...]
  • docker
  • docs
  • example_test[_esp32/esp32s2/...]
  • fuzzer_test
  • host_test
  • integration_test
  • iperf_stress_test
  • macos
  • macos_test
  • nvs_coverage
  • submodule
  • unit_test[_esp32/esp32s2/...]
  • weekend_test
  • windows

There are two general labels (not recommended since these two labels will trigger a lot of jobs)

  • target_test: includes all target for example_test, custom_test, component_ut, unit_test, integration_test
  • all_test: includes all test labels

Usages

We have two ways to run additional jobs

  • Add these labels in the MR labels

  • Add these labels in the commit message (not the first line). For example:

    ci: detect file changes to assign jobs

test labels: example_test_esp32, custom_test_esp32

    The additional test labels line should start with test label(s): and the labels should be separated by space or comma.

How to trigger a detached pipeline without pushing new commits?

Go to MR web page -> Pipelines tab -> click Run pipeline button

How to Develop With rules.yml?

General Concepts

  • pattern: Defined in an array. A GitLab job will be created if the changed files in this MR matched one of the patterns. For example:

    .patterns-python-files: &patterns-python-files
  - "**/*.py"

  • label: (deprecated). Defined in an if clause, similar as the previous bot command. A GitLab job will be created if the pipeline variables contains variables in BOT_LABEL_xxx format. For example:

    .if-label-build_docs: &if-label-build_docs
  if: '$BOT_LABEL_BUILD_DOCS'

  • title: Defined in an if clause. A GitLab job will be created if this title included in the MR labels or in the commit message title. For example:

    .if-title-docs: &if-title-docs
  if: '$CI_MERGE_REQUEST_LABELS =~ /^(?:\w+,)*docs(?:,\w+)*$/i || $CI_COMMIT_TITLE =~ /\((?:\w+\s+)*docs(?:\s+\w+)*\)$/i'

  • rule: A combination of various patterns, labels, and titles. It will be used by GitLab YAML extends keyword to tell GitLab in what conditions will this job be created. For example:

    .rules:build:docs:
  rules:
    - <<: *if-protected
    - <<: *if-label-build
    - <<: *if-title-build
    - <<: *if-label-build_docs
    - <<: *if-title-build_docs
    - <<: *if-label-docs
    - <<: *if-title-docs
    - <<: *if-dev-push
      changes: *patterns-docs

    An example for GitLab job on how to use extends:

    check_docs_lang_sync:
  extends:
    - .pre_check_job_template
    - .rules:build:docs
  script:
    - cd docs
    - ./check_lang_folder_sync.sh

How to Add a New Job?

check if there's a suitable .rules:<rules-you-need> template

  1. if there is, put this in the job extends. All done, now you can close this window. (extends could be array or string)
  2. if there isn't
    1. check How to Add a New Rules Template?, create a suitable one
    2. follow step 1

How to Add a New Rules Template?

check if this rule is related to labels, patterns

  1. if it is, please refer to dependencies/README.md and add new rules by auto-generating
  2. if it isn't, please continue reading

check if there's a suitable .if-<if-anchor-you-need> anchor

  1. if there is, create a rule following rules Template Naming Rules.For detail information, please refer to GitLab Documentation rules-if. Here's an example.

    .rules:dev:
  rules:
    - <<: *if-trigger
    - <<: *if-dev-push

  2. if there isn't

    1. check How to Add a New if Anchor?, create a suitable one
    2. follow step 1

How to Add a New if Anchor?

Create an if anchor following if Anchors Naming Rules. For detailed information about how to write the condition clause, please refer to GitLab Documentation `only/except (advanced). Here's an example.

.if-schedule: &if-schedule:
  if: '$CI_PIPELINE_SOURCE == "schedule"'

Naming Rules

Common Naming Rules

if a phrase has multi words, use _ to concatenate them.

e.g. regular_test

if a name has multi phrases, use - to concatenate them.

e.g. regular_test-example_test

if Anchors Naming Rules

  • if it's a label: .if-label-<label_name>

  • if it's a ref: .if-ref-<ref_name>

  • if it's a branch: .if-branch-<branch_name>

  • if it's a tag: .if-tag-<tag_name>

  • if it's multi-type combination: .if-ref-<release_name>-branch-<branch_name>

    Common Phrases/Abbreviations

    • no_label

      $BOT_TRIGGER_WITH_LABEL == null

    • protected

      ($CI_COMMIT_REF_NAME == "master" || $CI_COMMIT_BRANCH =~ /^release\/v/ || $CI_COMMIT_TAG =~ /^v\d+\.\d+(\.\d+)?($|-)/)

    • target_test

      a combination of example_test, custom_test, unit_test, component_ut, integration_test and all targets

rules Template Naming Rules

  • if it's tag related: .rules:tag:<tag_1>-<tag_2>
  • if it's label related: .rules:labels:<label_1>-<label_2>
  • if it's test related: .rules:test:<test_type>
  • if it's build related: .rules:build:<build_type>
  • if it's pattern related: .rules:patterns:<patterns>

Reusable Shell Script tools/ci/utils.sh

It is used to put all the reusable shell scripts as small functions. If you want to set before_script: [] for you job, now you can set extends: .before_script_slim instead. it will only run source tools/ci/utils.sh

If you're developing CI shell scripts, you can use these functions without source them. They're already included in all before_script

To run these commands in shell script locally, place source tools/ci/utils.sh at the very beginning.

Functions

CI Job Related

  • add_gitlab_ssh_keys
  • add_github_ssh_keys
  • add_doc_server_ssh_keys
  • fetch_submodules
  • get_all_submodules

Shell Script Related

  • error: log in red color
  • warning: log in orange color
  • info: log in green color
  • run_cmd: run the command with duration seconds info
  • retry_failed: run the command with duration seconds info, retry when failed