HYPERFLEET-1708 - fix: render CI Terraform env from a dedicated template instead of prow's tfvars - #100
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openshift-merge-bot[bot] merged 2 commits intoSep 24, 2026
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…ate instead of prow's tfvars The integration job built its ephemeral GKE clusters by copying dev-prow.tfvars, so prow-only settings (legacy datapath, Calico, the weekend maintenance window) leaked into every CI cluster. Add ci.tfvars.template and ci.tfbackend.template, pinned to Dataplane V2, and a `make ci-tf-env CI_ID=<id>` target that renders them. The release repo job switches to the target in a follow-up. dev-prow.tfvars is now prow only, its values are unchanged. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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Included review availability: Your plan provides up to 12 included reviews per hour; 10 remain after this review. 📝 SummarySummary by CodeRabbit
WalkthroughThe change adds Terraform backend and GKE cluster variable templates for CI runs. The Estimated code review effort: 2 (Simple) | ~10 minutes Sequence Diagram(s)sequenceDiagram
participant Caller
participant Make as ci-tf-env target
participant Templates
Make->>Make: Validate CI_ID
Make->>Templates: Read backend and variable templates
Make-->>Caller: Render per-run Terraform files
Merge Risk: ⚪ Minimal · up to The CI Terraform templates and rendering target have no identified merge-blocking issue in the supplied evidence. Normal validation should still run before merging. 🚥 Pre-merge checks | ✅ 11✅ Passed checks (11 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
✨ Simplify code
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Inline comments:
In `@Makefile`:
- Line 995: Update the CI_ID validation invoked by check-dns-label to enforce a
maximum of 16 characters, so the constructed CI cluster name stays within GKE’s
40-character limit while preserving the existing naming prefix.
In `@terraform/envs/gke/ci.tfbackend.template`:
- Line 5: Ensure Terraform state initialization is isolated between CI runs by
using a CI_ID-specific TF_DATA_DIR consistently for init, plan, apply, and
destroy, or by giving each run a fresh working directory; do not rely on
changing the backend prefix alone.
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.gitignoreMakefileREADME.mdterraform/envs/gke/ci.tfbackend.templateterraform/envs/gke/ci.tfvars.templateterraform/envs/gke/dev-prow.tfvars
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openshift-hyperfleet/architecture(manual)openshift-hyperfleet/hyperfleet-api(manual)openshift-hyperfleet/hyperfleet-sentinel(manual)openshift-hyperfleet/hyperfleet-adapter(manual)openshift-hyperfleet/hyperfleet-broker(manual)
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…ames fit GKE's 40 characters Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: pnguyen44 The full list of commands accepted by this bot can be found here. The pull request process is described here DetailsNeeds approval from an approver in each of these files:
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merged commit Sep 24, 2026
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Summary
Gives the
integrationjob its own Terraform config, so prow-only settings no longer leak into CI clusters. This PR adds the template and a Make target. A follow-up PR in openshift/release switches the job over to it.Why
The integration job builds each ephemeral cluster by copying
terraform/envs/gke/dev-prow.tfvarsand patching three lines withsed. #99 added prow-only settings to that file (datapath_provider = "", Calico NetworkPolicy, a weekend maintenance window). Since #99 merged, every CI cluster comes up on the legacy datapath with Calico instead of Dataplane V2.The GKE audit log shows it: every
CreateClusterforci-infra-*before 2026-09-23 15:02 UTC isADVANCED_DATAPATHwith no network policy provider, and every one after is an unset datapath plusCALICO. Dev clusters run Dataplane V2, so infra CI was no longer testing the datapath everyone else uses.What changed
terraform/envs/gke/ci.tfvars.templatedatapath_provider = "ADVANCED_DATAPATH"andenable_calico_network_policy = falsepinned, and no maintenance window.terraform/envs/gke/ci.tfbackend.templateprefix = "ci/infra/__CI_ID__".Makefileci-tf-envtarget. It validatesCI_IDwith the existingcheck-dns-labelhelper and rendersci-<id>.tfvarsandci-<id>.tfbackend..gitignoreterraform/envs/gke/ci-*.tfvarsandci-*.tfbackend.dev-prow.tfvarsREADME.mdci-tf-envto the CI targets table.Moving the rendering into this repo means future CI config changes are PRs here, not in openshift/release.
Testing
make ci-tf-env CI_ID=12345678rendersdeveloper_name = "ci-infra-12345678"andprefix = "ci/infra/12345678"CI_ID=Bad_ID, an unsetCI_ID, andCI_ID='a;touch /tmp/pwn'are all rejected by the DNS-label check, and nothing runsgit check-ignore)terraform planwith the rendered tfvars (local backend, scratch copy):datapath_provider = "ADVANCED_DATAPATH", nonetwork_policyblock, no maintenance policy,Plan: 3 to add, 0 to change, 0 to destroymake ci-validateRollout
integrationrun still uses the olddev-prow.tfvarscopy, which is expected.cp/sedblock withmake ci-tf-env. That PR also stops the cleanup step from deleting Terraform state whenci-cleanupfails./test integrationon any open PR and confirm the newci-infra-*cluster is onADVANCED_DATAPATH.The cleanup side depends on #94 (HYPERFLEET-1699), which makes
ci-cleanuprundestroy-terraformeven when the Maestro uninstall fails.🤖 Generated with Claude Code