132 lines
4.6 KiB
Python
Executable File
132 lines
4.6 KiB
Python
Executable File
#!/usr/bin/env python
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import argparse
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import hmac
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import os
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import random
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import string
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import sys
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from cryptography.hazmat.backends import default_backend
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from cryptography.hazmat.primitives.asymmetric import rsa
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from cryptography.hazmat.primitives.serialization import Encoding
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from cryptography.hazmat.primitives.serialization import NoEncryption
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from cryptography.hazmat.primitives.serialization import PrivateFormat
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from cryptography.hazmat.primitives.serialization import PublicFormat
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from hashlib import md5
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from hashlib import sha256
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from oslo_utils import uuidutils
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import yaml
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# NOTE(SamYaple): Update the search path to prefer PROJECT_ROOT as the source
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# of packages to import if we are using local tools instead of
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# pip installed kolla tools
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PROJECT_ROOT = os.path.abspath(os.path.join(
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os.path.dirname(os.path.realpath(__file__)), '../..'))
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if PROJECT_ROOT not in sys.path:
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sys.path.insert(0, PROJECT_ROOT)
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def generate_RSA(bits=4096):
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# public_exponent set to 655537 is what pyCA recommends
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new_key = rsa.generate_private_key(public_exponent=65537,
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key_size=bits,
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backend=default_backend())
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# we strip trailing space for 1:1 compat with previous implementation
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private_key = new_key.private_bytes(
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encoding=Encoding.PEM,
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format=PrivateFormat.PKCS8,
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encryption_algorithm=NoEncryption())
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public_key = new_key.public_key().public_bytes(encoding=Encoding.OpenSSH,
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format=PublicFormat.OpenSSH)
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return private_key, public_key
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument(
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'-p', '--passwords', type=str,
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default=os.path.abspath('/etc/kolla/passwords.yml'),
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help=('Path to the passwords yml file'))
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args = parser.parse_args()
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passwords_file = os.path.expanduser(args.passwords)
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# These keys should be random uuids
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uuid_keys = ['ceph_cluster_fsid',
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'rbd_secret_uuid',
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'cinder_rbd_secret_uuid',
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'gnocchi_project_id',
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'gnocchi_resource_id',
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'gnocchi_user_id',
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'designate_pool_id',
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'karbor_openstack_infra_id']
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# SSH key pair
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ssh_keys = ['kolla_ssh_key', 'nova_ssh_key',
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'keystone_ssh_key', 'bifrost_ssh_key']
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# If these keys are None, leave them as None
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blank_keys = ['docker_registry_password']
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# HMAC-MD5 keys
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hmac_md5_keys = ['designate_rndc_key']
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# HMAC-SHA256 keys
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hmac_sha256_keys = ['barbican_crypto_key']
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# length of password
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length = 40
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with open(passwords_file, 'r') as f:
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passwords = yaml.safe_load(f.read())
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for k, v in passwords.items():
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if (k in ssh_keys and
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(v is None
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or v.get('public_key') is None
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and v.get('private_key') is None)):
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private_key, public_key = generate_RSA()
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passwords[k] = {
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'private_key': private_key,
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'public_key': public_key
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}
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continue
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if v is None:
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if k in blank_keys and v is None:
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continue
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if k in uuid_keys:
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passwords[k] = uuidutils.generate_uuid()
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elif k in hmac_md5_keys:
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passwords[k] = (hmac.new(
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uuidutils.generate_uuid(), '', md5)
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.digest().encode('base64')[:-1])
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elif k in hmac_sha256_keys:
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passwords[k] = (hmac.new(
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uuidutils.generate_uuid(), '', sha256)
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.digest().encode('base64')[:-1])
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else:
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passwords[k] = ''.join([
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random.SystemRandom().choice(
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string.ascii_letters + string.digits)
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for n in range(length)
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])
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with open(passwords_file, 'w') as f:
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f.write(yaml.dump(passwords, default_flow_style=False))
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if __name__ == '__main__':
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main()
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