[server] Add health check HTTP endpoint for Relay server (#4297)

The health check endpoint listens on a dedicated HTTP server.
By default, it is available at 0.0.0.0:9000/health. This can be configured using the --health-listen-address flag.

The results are cached for 3 seconds to avoid excessive calls.

The health check performs the following:

Checks the number of active listeners.
Validates each listener via WebSocket and QUIC dials, including TLS certificate verification.
This commit is contained in:
Zoltan Papp
2025-08-13 10:40:04 +02:00
committed by GitHub
parent a4e8647aef
commit 3d4b502126
14 changed files with 354 additions and 18 deletions

View File

@@ -1,3 +1,3 @@
package tls
const nbalpn = "nb-quic"
const NBalpn = "nb-quic"