Prefixed Prometheus metrics with service name

app/metrics.go

@@ -8,74 +8,74 @@ var (
 	// HTTPResponseCtr allows the counting of Http Responses and their status codes
 	HTTPResponseCtr = prometheus.NewCounterVec(
 		prometheus.CounterOpts{
-			Name: "http_resp_total",
+			Name: "undergang_http_response_total",
 			Help: "Number of http responses",
 		},
 		[]string{"code"},
 	)
 	// BackendActive allows the counting of active (registered) backends
 	BackendActive = prometheus.NewGauge(
 		prometheus.GaugeOpts{
-			Name: "backend_active_total",
+			Name: "undergang_backend_active_total",
 			Help: "Number of active backends",
 		},
 	)
 	// BackendsRegistered allows the counting of backends that have been registered
 	BackendsRegistered = prometheus.NewCounter(
 		prometheus.CounterOpts{
-			Name: "backend_registered_total",
+			Name: "undergang_backend_registered_total",
 			Help: "Number of backends that have been registered",
 		},
 	)
 	// BackendsStarted allows the counting of backends that have been started
 	BackendsStarted = prometheus.NewCounter(
 		prometheus.CounterOpts{
-			Name: "backend_started_total",
+			Name: "undergang_backend_started_total",
 			Help: "Number of backends that have been started",
 		},
 	)
 	// BackendsUnregistered allows the counting of backends that have been unregistered
 	BackendsUnregistered = prometheus.NewCounter(
 		prometheus.CounterOpts{
-			Name: "backend_unregistered_total",
+			Name: "undergang_backend_unregistered_total",
 			Help: "Number of backends that have been unregistered",
 		},
 	)
 	// BackendFailure allows the counting of backends and the corresponding failure reason
 	BackendFailure = prometheus.NewCounterVec(
 		prometheus.CounterOpts{
-			Name: "backend_failure_total",
+			Name: "undergang_backend_failure_total",
 			Help: "Number of backends that have failed",
 		},
 		[]string{"reason"},
 	)
 	// BackendReconnectSSH allows the counting of backends that have reconnected to the SSH server
 	BackendReconnectSSH = prometheus.NewCounter(
 		prometheus.CounterOpts{
-			Name: "backend_reconnect_ssh_total",
+			Name: "undergang_backend_reconnect_ssh_total",
 			Help: "Number of backends that have reconnected to SSH",
 		},
 	)
 	// BackendProvisioningDuration allows the histogram of provisioning durations
 	BackendProvisioningDuration = prometheus.NewHistogram(
 		prometheus.HistogramOpts{
-			Name:    "backend_provisioning_seconds",
+			Name:    "undergang_backend_provisioning_seconds",
 			Help:    "Provisioning duration for backends",
 			Buckets: []float64{1, 5, 10, 30, 1 * 60, 2 * 60, 3 * 60, 4 * 60, 5 * 60, 10 * 60, 20 * 60},
 		},
 	)
 	// BackendConnectSSHDuration allows the histogram of provisioning durations
 	BackendConnectSSHDuration = prometheus.NewHistogram(
 		prometheus.HistogramOpts{
-			Name:    "backend_connect_ssh_seconds",
+			Name:    "undergang_backend_connect_ssh_seconds",
 			Help:    "SSH connection duration for backends",
 			Buckets: []float64{1, 5, 10, 30, 1 * 60, 2 * 60, 3 * 60, 4 * 60, 5 * 60},
 		},
 	)
 	// BackendBootstrapDuration allows the histogram of provisioning durations
 	BackendBootstrapDuration = prometheus.NewHistogram(
 		prometheus.HistogramOpts{
-			Name:    "backend_bootstrap_seconds",
+			Name:    "undergang_backend_bootstrap_seconds",
 			Help:    "SSH bootstrap duration for backends",
 			Buckets: []float64{1, 5, 10, 30, 1 * 60, 2 * 60, 3 * 60, 4 * 60, 5 * 60, 10 * 60, 20 * 60},
 		},