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mitogen/.ci
Alex Willmer 8b92e09655 ci: Extract container registry location into variables
Preperation for migrating from Azure DevOps with Amazon Elastic Container
Registry (AWS ECR), to GitHub Actions with GitHub Container Registry (GHCR).

DebOps tests are not currently being run, the updates to .ci/debops*.py are
best effort only.
1 month ago
..
soak
README.md ci: Extract container registry location into variables 1 month ago
ansible_tests.py ci: Extract container registry location into variables 1 month ago
azure-pipelines-steps.yml ci: Move container registry authentication to an Azure Devops step 1 month ago
azure-pipelines.yml ci: Drop macOS Python 3.12 + Ansible 9 tests 2 months ago
ci_lib.py ci: Extract container registry location into variables 1 month ago
debops_common_install.py ci: Extract container registry location into variables 1 month ago
debops_common_tests.py ci: Extract container registry location into variables 1 month ago
localhost_ansible_tests.py tests: Remove --limit when running Ansible localhost CI 6 months ago
mitogen_py24_install.py ci: Move container registry authentication to an Azure Devops step 1 month ago
mitogen_py24_tests.py
mitogen_tests.py

README.md

.ci

This directory contains scripts for Continuous Integration platforms. Currently Azure Pipelines, but they will also happily run on any Debian-like machine.

The scripts are usually split into _install and _test steps. The _install step will damage your machine, the _test step will just run the tests the way CI runs them.

There is a common library, ci_lib.py, which just centralized a bunch of random macros and also environment parsing.

Some of the scripts allow you to pass extra flags through to the component under test, e.g. ../../.ci/ansible_tests.py -vvv will run with verbose.

Hack these scripts until your heart is content. There is no pride to be found here, just necessity.

ci_lib.run_batches()

There are some weird looking functions to extract more paralellism from the build. The above function takes lists of strings, arranging for the strings in each list to run in order, but for the lists to run in parallel. That's great for doing setup.py install while pulling a Docker container, for example.

Environment Variables

  • DISTRO: the mitogen_ tests need a target Docker container distro. This name comes from the Docker Hub mitogen user, i.e. mitogen/$DISTRO-test
  • DISTROS: the ansible_ tests can run against multiple targets simultaneously, which speeds things up. This is a space-separated list of DISTRO names, but additionally, supports:
    • debian-py3: when generating Ansible inventory file, set ansible_python_interpreter to python3, i.e. run a test where the target interpreter is Python 3.
    • debian*16: generate 16 Docker containers running Debian. Also works with -py3.