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Serve metrics optionally via HTTPS #161

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Serve metrics optionally via HTTPS #161

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1 change: 1 addition & 0 deletions internal/cmd/run.go
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ func newRunCommand() *runCommand {
runCommand.cmd.Flags().IntVar(&globalConfig.HttpPort, "http-port", getEnvInt("HTTP_PORT", server.DefaultHttpPort), "Port to serve HTTP traffic on")
runCommand.cmd.Flags().IntVar(&globalConfig.HttpsPort, "https-port", getEnvInt("HTTPS_PORT", server.DefaultHttpsPort), "Port to serve HTTPS traffic on")
runCommand.cmd.Flags().IntVar(&globalConfig.MetricsPort, "metrics-port", getEnvInt("METRICS_PORT", 0), "Publish metrics on the specified port (default zero to disable)")
runCommand.cmd.Flags().BoolVar(&globalConfig.MetricsTls, "metrics-tls", getEnvBool("METRICS_TLS", false), "Enable TLS for the metrics port (default false for HTTP)")
runCommand.cmd.Flags().BoolVar(&globalConfig.HTTP3Enabled, "http3", false, "Enable HTTP/3")

return runCommand
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1 change: 1 addition & 0 deletions internal/server/config.go
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Expand Up @@ -17,6 +17,7 @@ type Config struct {
HttpPort int
HttpsPort int
MetricsPort int
MetricsTls bool
HTTP3Enabled bool

AlternateConfigDir string
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13 changes: 10 additions & 3 deletions internal/server/server.go
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Expand Up @@ -196,10 +196,17 @@ func (s *Server) startMetricsServer() error {
Addr: addr,
Handler: handler,
}
if s.config.MetricsTls {
s.metricsServer.TLSConfig = &tls.Config{
MinVersion: tls.VersionTLS13,
GetCertificate: s.router.GetCertificate,
}
go s.metricsServer.ServeTLS(s.metricsListener, "", "")
} else {
go s.metricsServer.Serve(s.metricsListener)
}

go s.metricsServer.Serve(s.metricsListener)

slog.Info("Metrics enabled", "address", addr)
slog.Info("Metrics enabled", "port", s.config.MetricsPort, "TLS", s.config.MetricsTls)

return nil
}
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