Nagios package.

For now just the return codes for plugins.

mnpw.go

 package main
 
 import (
+	"git.shore.co.il/shore/mnpw/pkg/nagios"
 	"os"
 )
 

pkg/nagios/nagios.go

+package nagios
+
+// Although exit codes can't be a negative, int is used to match
+// ExitCode in *os.ProcessState.
+type ReturnCode int
+
+const (
+	OK       ReturnCode = 0
+	WARNING             = 1
+	CRITICAL            = 2
+	UNKNOWN             = 3
+)