Use Azure's ubuntu archive in CI #946
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Pull request overview
This PR updates CI to use Azure’s Ubuntu archive mirror by introducing a reusable composite action that DNS-spoofs archive.ubuntu.com/security.ubuntu.com to azure.archive.ubuntu.com, and wiring it into the integration and e2e workflows.
Changes:
- Adds a composite GitHub Action (
dns-spoof-ubuntu-archive) that configuresdnsmasqand Docker to route Ubuntu archive traffic via Azure’s mirror. - Integrates the new action into the integration test job before pre-building base images.
- Integrates the new action into the e2e job before setting up the builder, ensuring all Docker-based operations use the Azure mirror.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
.github/workflows/ci.yml |
Calls the new dns-spoof-ubuntu-archive composite action in the integration and e2e jobs to ensure CI uses Azure’s Ubuntu archive mirror. |
.github/actions/dns-spoof-ubuntu-archive/action.yml |
Defines the composite action that configures dnsmasq and Docker DNS so archive.ubuntu.com and security.ubuntu.com resolve to azure.archive.ubuntu.com. |
archive.ubuntu.com is extremely unreliable and is the cause of many test re-runs. Luckily there is a mirror: azure.archive.ubuntu.com The GHA agetns are already setup to use it, however inside containers it points at the main archive.ubuntu.com. This change uses dnsmasq to make requests to archive.ubuntu.com resolve to azure.archive.ubuntu.com's IP address. Signed-off-by: Brian Goff <[email protected]>
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archive.ubuntu.com has frequent outages causing CI to fail. Given CI is in Azure anyway, it is best to use Azure's mirror.
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