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feat(healthcheck): combination of ICMP and TCP+TLS checks (#2923)

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- New option: `HEALTH_ICMP_TARGET_IP` defaults to `0.0.0.0` meaning use the VPN server public IP address.
- Options removed: `HEALTH_VPN_INITIAL_DURATION` and `HEALTH_VPN_ADDITIONAL_DURATION` - times and retries are handpicked and hardcoded.
- Less aggressive checks and less false positive detection
This commit is contained in:
Quentin McGaw
2025-10-17 01:45:50 +02:00
committed by GitHub
parent 340016521e
commit 85890520ab
25 changed files with 722 additions and 366 deletions
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17
cmd/gluetun/main.go
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@@ -414,6 +414,13 @@ func _main(ctx context.Context, buildInfo models.BuildInformation,
return fmt.Errorf("starting public ip loop: %w", err)
}
healthLogger := logger.New(log.SetComponent("healthcheck"))
healthcheckServer := healthcheck.NewServer(allSettings.Health, healthLogger)
healthServerHandler, healthServerCtx, healthServerDone := goshutdown.NewGoRoutineHandler(
"HTTP health server", goroutine.OptionTimeout(defaultShutdownTimeout))
go healthcheckServer.Run(healthServerCtx, healthServerDone)
healthChecker := healthcheck.NewChecker(healthLogger)
updaterLogger := logger.New(log.SetComponent("updater"))
unzipper := unzip.New(httpClient)
@@ -424,8 +431,8 @@ func _main(ctx context.Context, buildInfo models.BuildInformation,
vpnLogger := logger.New(log.SetComponent("vpn"))
vpnLooper := vpn.NewLoop(allSettings.VPN, ipv6Supported, allSettings.Firewall.VPNInputPorts,
providers, storage, ovpnConf, netLinker, firewallConf, routingConf, portForwardLooper,
cmder, publicIPLooper, dnsLooper, vpnLogger, httpClient,
providers, storage, allSettings.Health, healthChecker, healthcheckServer, ovpnConf, netLinker, firewallConf,
routingConf, portForwardLooper, cmder, publicIPLooper, dnsLooper, vpnLogger, httpClient,
buildInfo, *allSettings.Version.Enabled)
vpnHandler, vpnCtx, vpnDone := goshutdown.NewGoRoutineHandler(
"vpn", goroutine.OptionTimeout(time.Second))
@@ -476,12 +483,6 @@ func _main(ctx context.Context, buildInfo models.BuildInformation,
<-httpServerReady
controlGroupHandler.Add(httpServerHandler)
healthLogger := logger.New(log.SetComponent("healthcheck"))
healthcheckServer := healthcheck.NewServer(allSettings.Health, healthLogger, vpnLooper)
healthServerHandler, healthServerCtx, healthServerDone := goshutdown.NewGoRoutineHandler(
"HTTP health server", goroutine.OptionTimeout(defaultShutdownTimeout))
go healthcheckServer.Run(healthServerCtx, healthServerDone)
orderHandler := goshutdown.NewOrderHandler("gluetun",
order.OptionTimeout(totalShutdownTimeout),
order.OptionOnSuccess(defaultShutdownOnSuccess),