ci: run jobs on the on-prem self-hosted-linux ARC pool - #32
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Moves GitHub-hosted (ubuntu-latest/24.04) and retired bare-metal jobs onto the on-prem pool; the DFW CI cluster and the idle host runners are retired. No-Task: move all CI onto the on-prem cluster
…nner The self-hosted-linux image has no zip, so the windows leg died with 'zip: command not found' and fail-fast cancelled the other four legs. Also disable setup-go's cache: the runner's GOCACHE/GOMODCACHE are a shared hostPath and the post-step spent 6+ min tarring it. No-Task: move all CI onto the on-prem cluster
GOCACHE/GOMODCACHE already live on the runner's persistent shared /cache; setup-go's cache step only re-archives it in the post-job step (measured 6-27 extra minutes per job), so set cache: false on every setup-go step. No-Task: move all CI onto the on-prem cluster
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Moves this repo's GitHub-hosted (
ubuntu-latest/ubuntu-24.04) and retired[self-hosted, bare-metal]jobs onto the on-prem ARC pool (self-hosted-linux).Why (owner decision 2026-09-19): every project's CI runs on the on-prem cluster.
The pool: evenly spread over a1ubaip01 + four R720s. It runs DinD with a Docker daemon (
DOCKER_HOST) and RAM-tmpfs scratch, and requests 3 CPU per runner so jobs queue instead of oversubscribing hosts. The image bakes helm, kubectl, gitleaks, node, go and python3. Its tool set differs from GitHub'subuntu-latest, so a job that assumed a preinstalled tool may need asetup-*step. This PR's own CI is the check.Fork PRs: outside contributors' workflows need maintainer approval in both orgs (
all_external_contributors).Rollback: revert this PR.
No-Task: move all CI onto the on-prem cluster (cluster-services, 2026-09-19)