worker-image-build

Build Firefox CI worker images by triggering GitHub Actions workflows in mozilla-platform-ops/worker-images. Supports FXCI Azure workflows for Windows image builds (trusted and untrusted). Use when: - User wants to build a worker image - User mentions "FXCI Azure", "worker image build", or specific pool names like "win11-64-24h2-alpha" - User wants to trigger image builds for Windows 10, Windows 11, or Windows Server 2022 - User asks to check status of a worker image build Triggers: "build image", "worker image", "FXCI Azure", "trigger build", "image build status"

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Install skill "worker-image-build" with this command: npx skills add jwmossmoz/agent-skills/jwmossmoz-agent-skills-worker-image-build

Worker Image Build

Build Firefox CI worker images by triggering GitHub Actions workflows.

Supported Workflows

WorkflowNamePurpose
sig-nontrusted.ymlFXCI - AzureBuild untrusted Windows images
sig-trusted.ymlFXCI - Azure - TrustedBuild trusted Windows images

Available Configs

Untrusted (FXCI - Azure)

win10-64-2009-alpha       win10-64-2009
win11-64-2009-alpha       win11-64-2009
win11-64-24h2-alpha       win11-64-24h2
win11-64-24h2-alpha-v6
win11-a64-24h2-tester-alpha    win11-a64-24h2-tester
win11-a64-24h2-builder-alpha   win11-a64-24h2-builder
win2022-64-2009-alpha          win2022-64-2009
win2022-64-2009-alpha-v6

Trusted (FXCI - Azure - Trusted)

trusted-win11-a64-24h2-builder
trusted-win2022-64-2009

Trigger a Build

# Untrusted image
gh workflow run "FXCI - Azure" \
  --repo mozilla-platform-ops/worker-images \
  -f config=<CONFIG_NAME>

# Trusted image
gh workflow run "FXCI - Azure - Trusted" \
  --repo mozilla-platform-ops/worker-images \
  -f config=<CONFIG_NAME>

Example:

gh workflow run "FXCI - Azure" \
  --repo mozilla-platform-ops/worker-images \
  -f config=win11-64-24h2-alpha

Check Build Status

After triggering, get the run URL:

# Get latest run for untrusted
gh run list --repo mozilla-platform-ops/worker-images \
  --workflow "FXCI - Azure" --limit 1 \
  --json databaseId,url,status,createdAt

# Get latest run for trusted
gh run list --repo mozilla-platform-ops/worker-images \
  --workflow "FXCI - Azure - Trusted" --limit 1 \
  --json databaseId,url,status,createdAt

Watch a specific run:

gh run watch <RUN_ID> --repo mozilla-platform-ops/worker-images

View run logs:

gh run view <RUN_ID> --repo mozilla-platform-ops/worker-images --log

Build Process

  1. Access check against .github/relsre.json
  2. Azure login with FXCI credentials
  3. Packer build (30-60 min)
  4. SBOM generation
  5. Release notes PR created

Naming Conventions

  • -alpha suffix: Test/staging images
  • No suffix: Production images
  • trusted- prefix: Trusted pool images
  • -a64-: ARM64 architecture
  • -64-: x64 architecture
  • tester/builder: Pool role

More Examples

See references/examples.md for additional command examples.

Repository

https://github.com/mozilla-platform-ops/worker-images

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