first commit

health/health.go

@@ -0,0 +1,38 @@
+package health
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"os"
+	"runtime"
+)
+
+type HealthInfo struct {
+	Hostname string
+	OS       string
+	Arch     string
+	CPU      string
+	Memory   string
+}
+
+func Handle(w http.ResponseWriter, r *http.Request) {
+	json.NewEncoder(w).Encode(healthCheck())
+}
+
+func healthCheck() HealthInfo {
+	hostname, _ := os.Hostname()
+
+	var mem runtime.MemStats
+	runtime.ReadMemStats(&mem)
+
+	return HealthInfo{Hostname: hostname,
+		OS:     runtime.GOOS,
+		Arch:   runtime.GOARCH,
+		CPU:    string(runtime.NumCPU()),
+		Memory: string(mem.Alloc/1024/1024) + " MB"}
+}
+
+func (h HealthInfo) String() string {
+	return fmt.Sprintf("HealthInfo{Hostname=%s, OS=%s, Arch=%s. CPU=%s, Memory=%s}", h.Hostname, h.OS, h.Arch, h.CPU, h.Memory)
+}