josdirksen · February 8, 2016 13:54 · Feb 8, 2016
diff --git a/systemCommandHandlers.go b/systemCommandHandlers.go
@@ -0,0 +1,42 @@
+package handlers
+import (
+	"net/http"
+	"fmt"
+	"bytes"
+	"github.com/shirou/gopsutil/mem"
+	"github.com/shirou/gopsutil/host"
+	"io"
+)
+
+type SystemHandler struct {
+}
+
+func NewSystemHandler() *SystemHandler {
+	p := new(SystemHandler)
+	return p
+}
+
+func (sh SystemHandler) HandleCommand(cmdToExecute *Command, w http.ResponseWriter) {
+	switch cmdToExecute.SlackCommand {
+	case "mem" : handleMemCommand(w)
+	case "host" : handleHostCommand(w)
+	}
+}
+
+func handleHostCommand(w http.ResponseWriter) {
+	var buffer bytes.Buffer
+
+	info, _ := host.HostInfo()
+	buffer.WriteString(fmt.Sprintf("Boottime: %v\n", info.BootTime))
+	buffer.WriteString(fmt.Sprintf("Hostname: %v\n", info.Hostname))
+	buffer.WriteString(fmt.Sprintf("Uptime: %v\n", info.Uptime))
+
+	io.WriteString(w, buffer.String())
+}
+
+func handleMemCommand(w http.ResponseWriter) {
+	v, _ := mem.VirtualMemory()
+	var buffer bytes.Buffer
+	buffer.WriteString(fmt.Sprintf(fmt.Sprintf("Total: %v, Free:%v, UsedPercent:%f\n", v.Total, v.Free, v.UsedPercent)))
+	io.WriteString(w, buffer.String())
+}