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Script generating kubernetes secrets from passwords.yml

This PS introduces a script which can be used to generated kubernetes
secrets which will be consumed by bootstraps to securely access passwords
for differenrt services.

TrivialFix

Change-Id: I07e06f78d24ed4ba0e7039fa6bdf47ca2a917437
changes/99/354199/9
Serguei Bezverkhi 6 years ago
parent
commit
68ac368062
  1. 66
      tools/secret-generator.py

66
tools/secret-generator.py

@ -0,0 +1,66 @@
#!/usr/bin/env python
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os.path
import subprocess
import sys
import yaml
def usage():
print("secret-generator.py requires one of these two commands: \
create or delete")
return
if len(sys.argv) != 2:
usage()
exit(1)
command = sys.argv[1].lower().strip()
if (command != 'create' and command != 'delete'):
usage()
exit(2)
password_file = "/etc/kolla/passwords.yml"
if not os.path.exists(password_file):
print ("You need to generate password file before using this script")
exit(3)
with open(password_file, 'r') as stream:
try:
passwords = yaml.safe_load(stream)
except yaml.YAMLError as exc:
print(exc)
for element in passwords:
if isinstance(passwords[element], basestring):
service_name = element.replace('_', '-')
password_value = passwords[element]
if command == "create":
command_line = 'kubectl create secret generic {} {} {}'.format(
service_name,
" --from-literal=password=",
password_value)
else:
command_line = "kubectl delete secret {} ".format(
service_name)
try:
res = subprocess.check_output(
command_line, shell=True,
executable='/bin/bash')
res = res.strip() # strip whitespace
print(res)
except subprocess.CalledProcessError as e:
print(e)
exit(0)
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