#!/usr/bin/python

import sys, paramiko

statuscodes = {'OK':0, 'WARNING':1, 'CRITICAL':2, 'UNKNOWN':3}
hostname = "netapp8020"
port = 22
username = "username"
password = "password"
command = "storage disk error show"

try:
    client = paramiko.SSHClient()
    client.load_system_host_keys()
    client.set_missing_host_key_policy(paramiko.WarningPolicy)
    client.connect(hostname, port=port, username=username, password=password)
    stdin, stdout, stderr = client.exec_command(command)
    result = stdout.read().strip(' \t\n\r')
except Exception, e:
    print "UNKNOWN - " + e
    exit_code = statuscodes['UNKNOWN']
finally:
    client.close()

if result == "This table is currently empty.":
    print "OK"
    exit_code = statuscodes['OK']
else:
    print "WARNING - " + result
    exit_code = statuscodes['WARNING']

sys.exit(exit_code)