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88acd437a10ec37e5d116e2b47175e91af2bf35c
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4 Commits

Author SHA1 Message Date
Paul Payne
88acd437a1 Add resiliency primitives: atomic writes, reconcile mutex, state backup 
- Add storage.WriteFileAtomic (temp + rename) and storage.CopyFile helpers
- Convert all 8 production config writers to atomic writes: config/state.yaml,
  dnsmasq, nftables, domains, wireguard (config + secrets + peers + wg0.conf),
  tunnel/cloudflared
- Add sync.Mutex to Reconciler to serialize concurrent Reconcile() calls
  triggered by domain registration goroutines
- Add state.yaml backup (.bak) before every write; LoadState falls back to
  backup if primary is corrupted
- Reconciler refuses to use empty config on corruption (only on first run
  when no state file exists yet)
 2026-07-14 11:37:33 +00:00
Paul Payne
428d47f876 Refactor architecture: extract reconciler, add interfaces, reduce complexity, improve test coverage 
Architecture:
- Extract reconcileNetworking into internal/reconcile package with 7 consumer-side interfaces
- Add locked modifyState helper to fix state.yaml read-modify-write race condition
- Extract CrowdSec and VPN handler groups with interfaces documenting dependency surface
- Replace raw map[string]any YAML manipulation with typed AddDHCPStaticLease/RemoveDHCPStaticLease
- Extract Cloudflare API functions into cfClient struct, eliminating repeated auth boilerplate

Complexity reduction:
- haproxy.GenerateWithOpts: 50 → 6 (extracted 8 focused helpers)
- reconcile.Reconcile: 42 → 11 (extracted buildRoutes, buildDNSEntries, writeHAProxyConfig)
- AutheliaUpdateConfig: 25 → 10 (extracted enableAuthelia/disableAuthelia)

Test coverage improvements:
- reconcile: 4.5% → 56.8% (stub-based tests for route building, DNS entries, orchestration)
- dnsfilter: 10.7% → 45.6% (Manager.Compile, AddList, ToggleList, custom entries)
- config: 67.3% → 89.8% (DHCP static lease mutation tests)
 2026-07-14 04:21:30 +00:00
Paul Payne
79c0c32b98 services -> domains 2026-07-10 20:46:22 +00:00
Paul Payne
a3b3339254 feat: Add Cloudflare Tunnel support (ported from Castle) 
Port Castle's tunnel config generator to Go. Central can now manage
cloudflared ingress configuration for public service exposure.

Services with reach=public get projected at <subdomain>.<publicDomain>
with Host/SNI rewriting to the internal domain so the gateway's wildcard
cert validates and existing routing works unchanged.

- Locally-managed config.yml (not remotely-managed token tunnel)
- Public surface is exactly the set of reach=public services
- Auto-removes config when tunnel is disabled or no public services
- 7 tests covering basic generation, subdomain override, edge cases

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-07-08 23:41:00 +00:00