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feat: add VPN DNS service with dynamic service catalog resolution and CoreDNS integration

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Add ServiceDNSRecord type and gateway API endpoint to expose active service domain-to-IP mappings. Implement ListServiceDNSRecords repository method querying services table with proxy_ip resolution using effectiveAccessProxyIP helper.

Add vpn-dns microservice built on CoreDNS with periodic sync from backend API. Generate Corefile with configurable upstream DNS servers and hosts plugin for service overrides.
This commit is contained in:
Sascha Nesterovic
2026-03-18 13:30:34 +01:00
parent 6cf49ff3e0
commit 3e2169f217
11 changed files with 238 additions and 1 deletions
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backend/internal/httpserver/router.go
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@@ -42,6 +42,7 @@ func NewRouter(jwtSecret string, handlers Handlers) http.Handler {
r.Post("/auth/refresh", handlers.Auth.Refresh)
r.Post("/auth/logout", handlers.Auth.Logout)
r.Post("/gateway-agent/bootstrap", handlers.Gateway.Bootstrap)
r.Get("/gateway-agent/dns/services", handlers.Gateway.AgentServiceDNS)
r.Get("/gateway-agent/{id}/sync", handlers.Gateway.AgentSyncBundle)
r.Post("/gateway-agent/{id}/telemetry", handlers.Gateway.Telemetry)