implements Uptime.

host_unix.go

@@ -9,8 +9,17 @@ import (
 
 func (h Host) HostInfo() (HostInfo, error) {
 	ret := HostInfo{}
+
 	hostname, err := os.Hostname()
 	ret.Hostname = hostname
+	if err != nil {
+		return ret, err
+	}
+
+	sysinfo := &syscall.Sysinfo_t{}
+	if err := syscall.Sysinfo(sysinfo); err != nil {
+		return ret, err
+	}
 	ret.Uptime = sysinfo.Uptime
 
 	return ret, nil