docs: document tailscale policy gitops workflow - #9
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Record the decision to make git the source of truth for the tailnet policy file, the reference facts needed to operate it, and the procedure for changing, verifying, reverting, and emergency-editing the policy. Companion to GilmanLab/networking feat/tailscale-policy-gitops.
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Summary
Documents managing the tailnet policy file as code, as the companion change to
GilmanLab/networkingbranchfeat/tailscale-policy-gitops.decisions/0002-manage-tailscale-policy-with-gitops.md— git is the source oftruth for the policy file; validated on pull requests, applied on merge, and
authenticated with a workload identity federation credential.
reference/networking/tailscale-policy.md— tailnet identity, policy andworkflow locations, tag catalog, auto-approved routes, credential and variable
inventory, and why drift detection is inert in this setup.
runbooks/tailscale-policy-change.md— change, verify, revert, and emergencyedit procedures.
index.mdandmkdocs.yml— navigation for the new pages, including the newRunbooks section.
Validation
mise exec -- moon run docs:build --summary minimalpasses withstrict: true,and all three pages render.
Notes
Merge after the
GilmanLab/networkingpull request, so the links totailscale/policy.hujsonand.github/workflows/tailscale-acl.ymlonmasterresolve.