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#!/usr/bin/env python
# (c) 2014, James Tanner <tanner.jc@gmail.com>
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
#
# ansible-vault is a script that encrypts/decrypts YAML files. See
# http://docs.ansible.com/playbooks_vault.html for more details.
#__requires__ = ['ansible']
#import pkg_resources
import os
import sys
import traceback
import ansible.constants as C
from ansible import utils
from ansible import errors
from ansible.utils.vault import VaultEditor
from optparse import OptionParser
#-------------------------------------------------------------------------------------
# Utility functions for parsing actions/options
#-------------------------------------------------------------------------------------
VALID_ACTIONS = ("create", "decrypt", "edit", "encrypt", "rekey", "view")
def build_option_parser(action):
"""
Builds an option parser object based on the action
the user wants to execute.
"""
usage = "usage: %%prog [%s] [--help] [options] file_name" % "|".join(VALID_ACTIONS)
epilog = "\nSee '%s <command> --help' for more information on a specific command.\n\n" % os.path.basename(sys.argv[0])
OptionParser.format_epilog = lambda self, formatter: self.epilog
parser = OptionParser(usage=usage, epilog=epilog)
if not action:
parser.print_help()
sys.exit()
# options for all actions
#parser.add_option('-c', '--cipher', dest='cipher', default="AES256", help="cipher to use")
parser.add_option('--debug', dest='debug', action="store_true", help="debug")
parser.add_option('--vault-password-file', dest='password_file',
help="vault password file", default=C.DEFAULT_VAULT_PASSWORD_FILE)
# options specific to actions
if action == "create":
parser.set_usage("usage: %prog create [options] file_name")
elif action == "decrypt":
parser.set_usage("usage: %prog decrypt [options] file_name")
elif action == "edit":
parser.set_usage("usage: %prog edit [options] file_name")
elif action == "view":
parser.set_usage("usage: %prog view [options] file_name")
elif action == "encrypt":
parser.set_usage("usage: %prog encrypt [options] file_name")
elif action == "rekey":
parser.set_usage("usage: %prog rekey [options] file_name")
# done, return the parser
return parser
def get_action(args):
"""
Get the action the user wants to execute from the
sys argv list.
"""
for i in range(0,len(args)):
arg = args[i]
if arg in VALID_ACTIONS:
del args[i]
return arg
return None
def get_opt(options, k, defval=""):
"""
Returns an option from an Optparse values instance.
"""
try:
data = getattr(options, k)
except:
return defval
if k == "roles_path":
if os.pathsep in data:
data = data.split(os.pathsep)[0]
return data
#-------------------------------------------------------------------------------------
# Command functions
#-------------------------------------------------------------------------------------
def execute_create(args, options, parser):
if len(args) > 1:
raise errors.AnsibleError("'create' does not accept more than one filename")
if not options.password_file:
password, new_password = utils.ask_vault_passwords(ask_vault_pass=True, confirm_vault=True)
else:
password = utils.read_vault_file(options.password_file)
cipher = 'AES256'
if hasattr(options, 'cipher'):
cipher = options.cipher
this_editor = VaultEditor(cipher, password, args[0])
this_editor.create_file()
def execute_decrypt(args, options, parser):
if not options.password_file:
password, new_password = utils.ask_vault_passwords(ask_vault_pass=True)
else:
password = utils.read_vault_file(options.password_file)
cipher = 'AES256'
if hasattr(options, 'cipher'):
cipher = options.cipher
for f in args:
this_editor = VaultEditor(cipher, password, f)
this_editor.decrypt_file()
print "Decryption successful"
def execute_edit(args, options, parser):
if len(args) > 1:
raise errors.AnsibleError("edit does not accept more than one filename")
if not options.password_file:
password, new_password = utils.ask_vault_passwords(ask_vault_pass=True)
else:
password = utils.read_vault_file(options.password_file)
cipher = None
for f in args:
this_editor = VaultEditor(cipher, password, f)
this_editor.edit_file()
def execute_view(args, options, parser):
if len(args) > 1:
raise errors.AnsibleError("view does not accept more than one filename")
if not options.password_file:
password, new_password = utils.ask_vault_passwords(ask_vault_pass=True)
else:
password = utils.read_vault_file(options.password_file)
cipher = None
for f in args:
this_editor = VaultEditor(cipher, password, f)
this_editor.view_file()
def execute_encrypt(args, options, parser):
if not options.password_file:
password, new_password = utils.ask_vault_passwords(ask_vault_pass=True, confirm_vault=True)
else:
password = utils.read_vault_file(options.password_file)
cipher = 'AES256'
if hasattr(options, 'cipher'):
cipher = options.cipher
for f in args:
this_editor = VaultEditor(cipher, password, f)
this_editor.encrypt_file()
print "Encryption successful"
def execute_rekey(args, options, parser):
if not options.password_file:
password, __ = utils.ask_vault_passwords(ask_vault_pass=True)
else:
password = utils.read_vault_file(options.password_file)
__, new_password = utils.ask_vault_passwords(ask_vault_pass=False, ask_new_vault_pass=True, confirm_new=True)
cipher = None
for f in args:
this_editor = VaultEditor(cipher, password, f)
this_editor.rekey_file(new_password)
print "Rekey successful"
#-------------------------------------------------------------------------------------
# MAIN
#-------------------------------------------------------------------------------------
def main():
action = get_action(sys.argv)
parser = build_option_parser(action)
(options, args) = parser.parse_args()
if not len(args):
raise errors.AnsibleError(
"The '%s' command requires a filename as the first argument" % action
)
# execute the desired action
try:
fn = globals()["execute_%s" % action]
fn(args, options, parser)
except Exception, err:
if options.debug:
print traceback.format_exc()
print "ERROR:",err
sys.exit(1)
if __name__ == "__main__":
main()
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