Initialize project with basic endpoints.

main.go

@@ -0,0 +1,58 @@
+package main
+
+import (
+	"encoding/json"
+	"net/http"
+	"runtime"
+
+	"github.com/shirou/gopsutil/v3/cpu"
+	"github.com/shirou/gopsutil/v3/disk"
+	"github.com/shirou/gopsutil/v3/mem"
+)
+
+func main() {
+
+	http.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(map[string]interface{}{
+			"summary": map[string]interface{}{
+				// get the health of the cpu, memory and disk
+			},
+		})
+	})
+
+	http.HandleFunc("/health/cpu", func(w http.ResponseWriter, r *http.Request) {
+		percent, _ := cpu.Percent(0, false)
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(map[string]interface{}{
+			"go_os":     runtime.GOOS,
+			"num_cpu":   runtime.NumCPU(),
+			"cpu_usage": percent[0],
+		})
+	})
+
+	http.HandleFunc("/health/memory", func(w http.ResponseWriter, r *http.Request) {
+		v, _ := mem.VirtualMemory()
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(map[string]interface{}{
+			"total":        v.Total,
+			"free":         v.Available,
+			"used":         v.Used,
+			"used_percent": v.UsedPercent,
+		})
+	})
+
+	http.HandleFunc("/health/disk", func(w http.ResponseWriter, r *http.Request) {
+		d, _ := disk.Usage("/")
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(map[string]interface{}{
+			"total":   d.Total,
+			"used":    d.Used,
+			"free":    d.Free,
+			"percent": d.UsedPercent,
+		})
+	})
+
+	http.ListenAndServe(":8080", nil)
+
+}