metrics: initial commit

environment/docker/environment.go

@@ -3,6 +3,7 @@ package docker
 import (
 	"context"
 	"fmt"
+	"github.com/pterodactyl/wings/metrics"
 	"io"
 	"sync"
 
@@ -212,5 +213,15 @@ func (e *Environment) SetState(state string) {
 		// If the state changed make sure we update the internal tracking to note that.
 		e.st.Store(state)
 		e.Events().Publish(environment.StateChangeEvent, state)
+
+		if state == environment.ProcessRunningState || state == environment.ProcessOfflineState {
+			val := 0
+			if state == environment.ProcessRunningState {
+				val = 1
+			} else {
+				metrics.ResetServer(e.Id)
+			}
+			metrics.ServerStatus.WithLabelValues(e.Id).Set(float64(val))
+		}
 	}
 }

environment/docker/stats.go

@@ -6,6 +6,7 @@ import (
 	"encoding/json"
 	"github.com/docker/docker/api/types"
 	"github.com/pterodactyl/wings/environment"
+	"github.com/pterodactyl/wings/metrics"
 	"io"
 	"math"
 )
@@ -60,6 +61,11 @@ func (e *Environment) pollResources(ctx context.Context) error {
 				st.Network.TxBytes += nw.TxBytes
 			}
 
+			metrics.ServerCPU.WithLabelValues(e.Id).Set(st.CpuAbsolute)
+			metrics.ServerMemory.WithLabelValues(e.Id).Set(float64(st.Memory))
+			metrics.ServerNetworkRx.WithLabelValues(e.Id).Set(float64(st.Network.RxBytes))
+			metrics.ServerNetworkTx.WithLabelValues(e.Id).Set(float64(st.Network.TxBytes))
+
 			if b, err := json.Marshal(st); err != nil {
 				e.log().WithField("error", err).Warn("error while marshaling stats object for environment")
 			} else {