added simple ping plugin

Author: Andre Lewis

ping/ping.rb

@@ -0,0 +1,19 @@
+# Takes an IP or hostname. Reports 1 if it can ping the host, 0 if it can't
+class Ping < Scout::Plugin
+
+  OPTIONS=<<-EOS
+  host:
+    name: Host
+    notes: the IP address or hostname to ping
+  EOS
+
+  def build_report
+    host = option('host')
+    error("You must provide an IP or host to ping") and return if !host
+
+    ping = `ping -c1 #{host} 2>&1`
+    res = ping.include?("bytes from") ? 1 : 0
+    report(:status=>res)
+
+  end
+end