turn logging noiselevel down

docker/glutton/Dockerfile

@@ -19,6 +19,7 @@ RUN apk -U --no-cache add \
     mkdir -p /opt/go/ && \
     go get -d github.com/mushorg/glutton && \
     go get -u github.com/golang/dep/cmd/dep && \
+    mv /root/dist/system.go /opt/go/src/github.com/mushorg/glutton/ && \
     cd /opt/go/src/github.com/mushorg/glutton/ && \
     /opt/go/bin/dep ensure && \
     make build && \

docker/glutton/dist/system.go

@@ -0,0 +1,38 @@
+package glutton
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"runtime"
+	"strings"
+	"time"
+)
+
+func countOpenFiles() int {
+	out, err := exec.Command("/bin/sh", "-c", fmt.Sprintf("lsof -p %v", os.Getpid())).Output()
+	if err != nil {
+		log.Fatal(err)
+	}
+	lines := strings.Split(string(out), "\n")
+	return len(lines) - 1
+}
+
+func countRunningRoutines() int {
+	return runtime.NumGoroutine()
+}
+
+func (g *Glutton) startMonitor(quit chan struct{}) {
+	ticker := time.NewTicker(10 * time.Second)
+	go func() {
+		for {
+			select {
+			case <-quit:
+				g.logger.Info("[system  ] Monitoring stopped..")
+				ticker.Stop()
+				return
+			}
+		}
+	}()
+}