func (m *Master) installTunneler(tunneler genericapiserver.Tunneler, nodeClient corev1client.NodeInterface) {
tunneler.Run(nodeAddressProvider{nodeClient}.externalAddresses)
m.GenericAPIServer.AddHealthzChecks(healthz.NamedCheck("SSH Tunnel Check", genericapiserver.TunnelSyncHealthChecker(tunneler)))
prometheus.NewGaugeFunc(prometheus.GaugeOpts{
Name: "apiserver_proxy_tunnel_sync_latency_secs",
Help: "The time since the last successful synchronization of the SSH tunnels for proxy requests.",
}, func() float64 { return float64(tunneler.SecondsSinceSync()) })
}
// TODO this needs to be refactored so we have a way to add general health checks to genericapiserver
// TODO profiling should be generic
func (m *Master) InstallGeneralEndpoints(c *Config) {
// Run the tunneler.
healthzChecks := []healthz.HealthzChecker{}
if c.Tunneler != nil {
c.Tunneler.Run(m.getNodeAddresses)
healthzChecks = append(healthzChecks, healthz.NamedCheck("SSH Tunnel Check", genericapiserver.TunnelSyncHealthChecker(c.Tunneler)))
prometheus.NewGaugeFunc(prometheus.GaugeOpts{
Name: "apiserver_proxy_tunnel_sync_latency_secs",
Help: "The time since the last successful synchronization of the SSH tunnels for proxy requests.",
}, func() float64 { return float64(c.Tunneler.SecondsSinceSync()) })
}
healthz.InstallHandler(&m.GenericAPIServer.HandlerContainer.NonSwaggerRoutes, healthzChecks...)
if c.GenericConfig.EnableProfiling {
routes.MetricsWithReset{}.Install(m.GenericAPIServer.HandlerContainer)
} else {
routes.DefaultMetrics{}.Install(m.GenericAPIServer.HandlerContainer)
}
}