fix: [nomad-step-2] S2.3 — vault-nomad-auth.sh (enable JWT auth + roles + nomad workload identity) (#881) #895

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dev-bot merged 2 commits from fix/issue-881 into main 2026-04-16 17:10:19 +00:00

Conversation 3 Commits 2 Files changed 8 +782 -37

dev-bot commented 2026-04-16 16:45:25 +00:00

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Fixes #881

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Fixes #881 ## Changes

dev-bot added 1 commit 2026-04-16 16:45:26 +00:00

fix: [nomad-step-2] S2.3 — vault-nomad-auth.sh (enable JWT auth + roles + nomad workload identity) (#881) ... 8efef9f1bb

Wires Nomad → Vault via workload identity so jobs can exchange their
short-lived JWT for a Vault token carrying the policies in
vault/policies/ — no shared VAULT_TOKEN in job env.

- `lib/init/nomad/vault-nomad-auth.sh` — idempotent script: enable jwt
  auth at path `jwt-nomad`, config JWKS/algs, apply roles, install
  server.hcl + SIGHUP nomad on change.
- `tools/vault-apply-roles.sh` — companion sync script (S2.1 sibling);
  reads vault/roles.yaml and upserts each Vault role under
  auth/jwt-nomad/role/<name> with created/updated/unchanged semantics.
- `vault/roles.yaml` — declarative role→policy→bound_claims map; one
  entry per vault/policies/*.hcl. Keeps S2.1 policies and S2.3 role
  bindings visible side-by-side at review time.
- `nomad/server.hcl` — adds vault stanza (enabled, address,
  default_identity.aud=["vault.io"], ttl=1h).
- `lib/hvault.sh` — new `hvault_get_or_empty` helper shared between
  vault-apply-policies.sh, vault-apply-roles.sh, and vault-nomad-auth.sh;
  reads a Vault endpoint and distinguishes 200 / 404 / other.
- `vault/policies/AGENTS.md` — extends S2.1 docs with JWT-auth role
  naming convention, token shape, and the "add new service" flow.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

review-bot commented 2026-04-16 16:56:03 +00:00

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Documentation consistency (lib/AGENTS.md) — blockers

The PR adds a new public function, a new init script, and starts sourcing a module that was previously marked as scaffolding-only. All three are behavioral changes that lib/AGENTS.md describes and must be updated in the same PR (formula step 3b).

• blocker lib/AGENTS.md:37 (hvault.sh row): hvault_get_or_empty(PATH) is a new public function — it must appear in the function list in the Sourced-by row. Every other public function is listed; this one isn't.

• blocker lib/AGENTS.md:37 (hvault.sh row): The Sourced-by cell currently says "Not sourced at runtime yet — pure scaffolding for Nomad+Vault migration (#799)". After this PR, hvault.sh is sourced by three scripts: lib/init/nomad/vault-nomad-auth.sh, tools/vault-apply-roles.sh, and tools/vault-apply-policies.sh. The claim is now false and must be updated.

• blocker lib/AGENTS.md:38 (lib/init/nomad/ row): The row lists six Step-0 installer scripts by name but says nothing about vault-nomad-auth.sh (Step 2, added in this PR). Every other file in that directory is named and described; the new file must be added.

Fix: Update the hvault.sh row to add hvault_get_or_empty(PATH) to the function list and replace the 'not sourced at runtime' note with the three callers. Add a one-line description of vault-nomad-auth.sh to the lib/init/nomad/ row.

---

Non-blocking comment

• low lib/init/nomad/vault-nomad-auth.sh:68: vault appears in the binary precondition check (for bin in curl jq vault systemctl) but is never called — neither by the script itself nor by any hvault.sh function (all are curl-based). On a box with the Vault server but no vault CLI this check would die spuriously. Consider dropping vault from the list, or add an inline comment explaining why it's expected to be present.

Verdict

REQUEST_CHANGES — lib/AGENTS.md not updated: hvault_get_or_empty undocumented, vault-nomad-auth.sh unlisted, and hvault.sh 'not sourced at runtime' claim now false

---

Reviewed at 8efef9f | AGENTS.md

## AI Review <!-- reviewed: 8efef9f1bb63d3049ac7d6864840cc280ba8631b --> ### Documentation consistency (lib/AGENTS.md) — blockers The PR adds a new public function, a new init script, and starts sourcing a module that was previously marked as scaffolding-only. All three are behavioral changes that lib/AGENTS.md describes and must be updated in the same PR (formula step 3b). - **blocker** `lib/AGENTS.md:37` (hvault.sh row): `hvault_get_or_empty(PATH)` is a new public function — it must appear in the function list in the Sourced-by row. Every other public function is listed; this one isn't. - **blocker** `lib/AGENTS.md:37` (hvault.sh row): The Sourced-by cell currently says *"Not sourced at runtime yet — pure scaffolding for Nomad+Vault migration (#799)"*. After this PR, hvault.sh is sourced by three scripts: `lib/init/nomad/vault-nomad-auth.sh`, `tools/vault-apply-roles.sh`, and `tools/vault-apply-policies.sh`. The claim is now false and must be updated. - **blocker** `lib/AGENTS.md:38` (lib/init/nomad/ row): The row lists six Step-0 installer scripts by name but says nothing about `vault-nomad-auth.sh` (Step 2, added in this PR). Every other file in that directory is named and described; the new file must be added. **Fix:** Update the hvault.sh row to add `hvault_get_or_empty(PATH)` to the function list and replace the 'not sourced at runtime' note with the three callers. Add a one-line description of `vault-nomad-auth.sh` to the lib/init/nomad/ row. --- ### Non-blocking comment - **low** `lib/init/nomad/vault-nomad-auth.sh:68`: `vault` appears in the binary precondition check (`for bin in curl jq vault systemctl`) but is never called — neither by the script itself nor by any hvault.sh function (all are curl-based). On a box with the Vault server but no vault CLI this check would die spuriously. Consider dropping `vault` from the list, or add an inline comment explaining why it's expected to be present. ### Verdict **REQUEST_CHANGES** — lib/AGENTS.md not updated: hvault_get_or_empty undocumented, vault-nomad-auth.sh unlisted, and hvault.sh 'not sourced at runtime' claim now false --- *Reviewed at `8efef9f` | [AGENTS.md](AGENTS.md)*

review-bot requested changes 2026-04-16 16:56:03 +00:00

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AI Review: REQUEST_CHANGES — lib/AGENTS.md not updated: hvault_get_or_empty undocumented, vault-nomad-auth.sh unlisted, and hvault.sh 'not sourced at runtime' claim now false

AI Review: **REQUEST_CHANGES** — lib/AGENTS.md not updated: hvault_get_or_empty undocumented, vault-nomad-auth.sh unlisted, and hvault.sh 'not sourced at runtime' claim now false

dev-bot referenced this pull request from a commit 2026-04-16 16:58:35 +00:00

fix: [nomad-step-2] S2.3 review round 1 — document new helper + script, drop unused vault CLI precondition (#881)

dev-bot added 1 commit 2026-04-16 16:58:35 +00:00

fix: [nomad-step-2] S2.3 review round 1 — document new helper + script, drop unused vault CLI precondition (#881) ... b2c86c3037

Review feedback from PR #895 round 1:

- lib/AGENTS.md (hvault.sh row): add hvault_get_or_empty(PATH) to the
  public-function list; replace the "not sourced at runtime yet" note
  with the three actual callers (vault-apply-policies.sh,
  vault-apply-roles.sh, vault-nomad-auth.sh).
- lib/AGENTS.md (lib/init/nomad/ row): add a one-line description of
  vault-nomad-auth.sh (Step 2, this PR); relabel the row header from
  "Step 0 installer scripts" to "installer scripts" since it now spans
  Step 0 + Step 2.
- lib/init/nomad/vault-nomad-auth.sh: drop the `vault` CLI from the
  binary precondition check — hvault.sh's helpers are all curl-based,
  so the CLI is never invoked. The precondition would spuriously die on
  a Nomad-client-only node that has Vault server reachable but no
  `vault` binary installed. Inline comment preserves the rationale.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

review-bot commented 2026-04-16 17:09:37 +00:00

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AI Re-review (round 2)

Previous Findings

• blocker lib/AGENTS.md:37 — hvault_get_or_empty(PATH) not in function list → FIXED: added with full description including the 404/errexit rationale
• blocker lib/AGENTS.md:37 — hvault.sh "not sourced at runtime" claim was false → FIXED: sourced-by cell now lists all three callers (tools/vault-apply-policies.sh, tools/vault-apply-roles.sh, lib/init/nomad/vault-nomad-auth.sh)
• blocker lib/AGENTS.md:38 — vault-nomad-auth.sh unlisted → FIXED: row now names and describes the Step-2 script with its responsibilities
• low vault-nomad-auth.sh:68 — vault CLI in binary check but never invoked → FIXED: removed from the for bin in loop; comment added explaining why the vault CLI is intentionally excluded

Verdict

APPROVE — All three documentation blockers closed; vault CLI spurious-fail fixed; no new issues in fixup hunks

---

Reviewed at b2c86c3 | Previous: 8efef9f | AGENTS.md

## AI Re-review (round 2) <!-- reviewed: b2c86c3037d2f99a9dfa904b2aa19771784a10c7 --> ### Previous Findings - **blocker** `lib/AGENTS.md:37` — `hvault_get_or_empty(PATH)` not in function list → **FIXED**: added with full description including the 404/errexit rationale - **blocker** `lib/AGENTS.md:37` — hvault.sh "not sourced at runtime" claim was false → **FIXED**: sourced-by cell now lists all three callers (`tools/vault-apply-policies.sh`, `tools/vault-apply-roles.sh`, `lib/init/nomad/vault-nomad-auth.sh`) - **blocker** `lib/AGENTS.md:38` — `vault-nomad-auth.sh` unlisted → **FIXED**: row now names and describes the Step-2 script with its responsibilities - **low** `vault-nomad-auth.sh:68` — `vault` CLI in binary check but never invoked → **FIXED**: removed from the `for bin in` loop; comment added explaining why the vault CLI is intentionally excluded ### Verdict **APPROVE** — All three documentation blockers closed; vault CLI spurious-fail fixed; no new issues in fixup hunks --- *Reviewed at `b2c86c3` | Previous: `8efef9f` | [AGENTS.md](AGENTS.md)*

review-bot approved these changes 2026-04-16 17:09:37 +00:00

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AI Re-review (round 2): APPROVE — All three documentation blockers closed; vault CLI spurious-fail fixed; no new issues in fixup hunks

AI Re-review (round 2): **APPROVE** — All three documentation blockers closed; vault CLI spurious-fail fixed; no new issues in fixup hunks

dev-bot merged commit a2a7c4a12c into main 2026-04-16 17:10:19 +00:00

dev-bot deleted branch fix/issue-881 2026-04-16 17:10:19 +00:00

dev-bot referenced this pull request from a commit 2026-04-16 17:10:20 +00:00

Merge pull request 'fix: [nomad-step-2] S2.3 — vault-nomad-auth.sh (enable JWT auth + roles + nomad workload identity) (#881)' (#895) from fix/issue-881 into main

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Reference: disinto-admin/disinto#895

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