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shankar0123
a7cce9afdd
Phase 7 of the deploy-hardening I master bundle. Retrofits the remaining file-based connectors against the canonical NGINX template. Per-connector quirks codified: - Postfix/Dovecot: full retrofit with PreCommit (postfix check / doveconf -n) + PostCommit (postfix reload / doveadm reload) + post-deploy TLS verify. Quirk preserved: when ChainPath is empty, chain is appended to cert (Postfix/Dovecot's "no separate chain" mode). Per-distro user defaults: postfix, dovecot, _postfix. Default key mode 0600. ValidateOnly real impl returns sentinel when no ValidateCommand. - Traefik: simpler retrofit — no PreCommit/PostCommit because Traefik watches the cert directory via inotify and auto-reloads. Atomic-write via deploy.AtomicWriteFile + post-deploy TLS verify + cert rollback on verify mismatch. Default key mode 0600. ValidateOnly returns sentinel (no validate-with-the-target command exists for Traefik). - Caddy: retrofitted both modes. File mode replaces os.WriteFile with deploy.AtomicWriteFile (preserves the file watcher's auto- reload). API mode unchanged (POST /load already atomic at the Caddy admin server). ValidateOnly real impl: API mode probes the admin /config/ endpoint to confirm Caddy is reachable; file mode returns sentinel. - Envoy: file mode atomic-write via deploy.AtomicWriteFile. Envoy's SDS file watcher picks up the rename atomically without config reload. ValidateOnly returns sentinel (no Envoy CLI validate command exists for individual cert files). Test counts (all packages above the prompt's >=20 bar): - Postfix: 30 (12 new in postfix_atomic_test.go + 18 pre-existing) - Traefik: 22 (12 new in traefik_atomic_test.go + 10 pre-existing) - Caddy: 22 (10 new in caddy_atomic_test.go + 12 pre-existing) - Envoy: 21 (5 new in envoy_atomic_test.go + 16 pre-existing) Coverage: each connector at the prompt's >=80% target. golangci-lint v2.11.4 clean across all 4 connector packages. Smoke test connectorsAtPhase3 list shrunk from 10 to 6 entries (postfix removed alongside nginx + apache + haproxy; traefik / caddy / envoy retain their stubs in the list because their ValidateOnly returns the sentinel for V2 — the real implementation arrives only when there's a meaningful validate-with-the-target command). Wait — actually the smoke test still pins all 4 because their ValidateOnly returns the sentinel. Postfix's real impl returns nil on success (when ValidateCommand is set), so postfix MUST be removed. Caddy's API mode is real-impl. Traefik + Envoy still return sentinel always — they stay in the smoke list. Phase 8 next: F5 + IIS — explicit post-deploy TLS verify + on-failure rollback. Both already have transactional semantics internally; the Phase 8 work is making rollback explicit + adding the post-deploy verify.