hpc-cloud/generate_secrets.py

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2017-08-28 11:51:35 +02:00
#!/usr/bin/env python
"""
Open the secrets.yml and replace all passwords.
Original is backed up.
"""
import random
import string
from subprocess import call
from yaml import load, dump
try:
from yaml import CLoader as Loader, CDumper as Dumper
except ImportError:
from yaml import Loader, Dumper
# length of generated passwords.
pass_length = 20
with open('secrets.yml.topol', 'r') as f:
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data = load(f, Loader=Loader)
for key, value in data.iteritems():
data[key] = ''.join(
random.choice(string.ascii_letters + string.digits)
for _ in range(pass_length))
# Make numbered backups of the secrets file.
call(['cp', '--backup=numbered', 'secrets.yml', 'secrets.yml.bak'])
with open('secrets.yml', 'w') as f:
dump(data, f, Dumper=Dumper, default_flow_style=False)