Added the munin ping plugin

Author: Cubox

tests/munin.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+    "fmt"
+    "github.com/Cubox-/libping"
+    "os"
+    "strings"
+)
+
+func main() {
+    if os.Getenv("hosts") == "" {
+        os.Exit(1)
+    }
+
+    if len(os.Args) > 1 && os.Args[1] == "config" {
+        for _, host := range strings.Split(os.Getenv("hosts"), " ") {
+            fmt.Printf("multigraph ping_%s\n", strings.Replace(host, ".", "_", -1))
+            fmt.Printf("graph_title Latency to %s\n", host)
+            fmt.Println("graph_category latency")
+            fmt.Println("graph_vlabel ping")
+            fmt.Println("graph_scale no")
+            fmt.Printf("graph_info This graph show the latency to reach %s\n", host)
+            fmt.Println("ping.label ping")
+        }
+    } else if len(os.Args) == 1 {
+        for _, host := range strings.Split(os.Getenv("hosts"), " ") {
+            libping.Pingonce(host)
+            duration, err := libping.Pingonce(host)
+
+            if err != nil {
+                continue
+            }
+
+            fmt.Printf("multigraph ping_%s\n", strings.Replace(host, ".", "_", -1))
+            fmt.Printf("ping.value %.5f\n", float64(duration.Nanoseconds())/float64(1000000))
+        }
+    } else {
+        os.Exit(1)
+    }
+}