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Renew Vault certificates automation - renew.py
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Authored by dereckson on Sun, Jun 2, 22:35.
#!/usr/bin/env python3
# -------------------------------------------------------------
# Renew Vault HTTPS certificates
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Project: Nasqueron
# Description: Connect to Vault
# License: BSD-2-Clause
# -------------------------------------------------------------
import hvac
import yaml
import json
import requests
import sys
from pprint import pprint
# -------------------------------------------------------------
# Certificates renewal
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
CERTIFICATES_FRAGMENTS = {
"certificate": "certificate.pem",
"issuing_ca": "ca.pem",
"private_key": "private.key",
}
CERTIFICATES_FULLCHAIN = ["certificate", "issuing_ca"]
def renew_vault_certificates(client):
extra_params = {
"ttl": "2160h",
"ip_sans": "127.0.0.1,172.27.27.7",
}
response = client.secrets.pki.generate_certificate(
name='nasqueron-drake',
common_name='complector.nasqueron.drake',
mount_point='pki_vault',
extra_params=extra_params,
)
certificate = response["data"]
for key, certificate_file in CERTIFICATES_FRAGMENTS.items():
with open(certificate_file, "w") as fd:
print(certificate[key], file=fd)
with open("fullchain.pem", "w") as fd:
for key in CERTIFICATES_FULLCHAIN:
print(certificate[key], file=fd)
# -------------------------------------------------------------
# Application entry point
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
def run():
client = hvac.Client(verify=False)
renew_vault_certificates(client)
if __name__ == "__main__":
run()

Event Timeline

dereckson created this paste.Sun, Jun 2, 22:35
dereckson mentioned this in T1966: Automate certificates renewal for Vault.Sun, Jun 2, 22:37
dereckson added a comment.Sun, Jun 2, 22:43
  • pprint isn't used anymore
  • need to run black
  • description needs to be updated
  • TTL can be much shorter if we automate this procedure
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