gistfile1.txt

kristian@luke:~$ cat /usr/lib/nagios/plugins/check_mount.sh 
#!/bin/bash
# CHEF

gawk '
$3 ~ "(ext[0-9]|btrfs)" {
	if ($4 !~ "^rw") {
		ret=2
		ret_status+= " $1 ($2) not mounted RW"
	}
}
END {
	if (ret == 0) {
		ret_status = "OK"
	} else {
		ret_status = "CRITICAL - " ret_status;
	}
	print ret_status;
	exit(ret)
}' /proc/mounts