Quick tool to manage Chef knife configuration

change_knife

#!/usr/bin/python

import os
import sys

chefdir = os.path.join(os.getenv('HOME'), '.chef')

if len(sys.argv) != 2:
    print 'Usage: change_knife [-l|env]'
    exit(1)
env = sys.argv[1]

if env == '-l':
    for i in os.listdir(chefdir):
        if i.endswith('.pem'):
            print(i.split('.')[1])
else:
    try:
        target = os.path.join(chefdir, 'knife.rb')
        if os.path.isfile(target):
            os.remove(target)
        
        source = ''.join([target, '.', env])
        os.symlink(source, target)
    except IOError as e:
       print e
       exit(1)