ansible/test/integration/targets/get_certificate/files/process_certs.py

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from sys import argv
from subprocess import Popen, PIPE, STDOUT
p = Popen(["openssl", "s_client", "-host", argv[1], "-port", "443", "-prexit", "-showcerts"], stdin=PIPE, stdout=PIPE, stderr=STDOUT)
stdout = p.communicate(input=b'\n')[0]
data = stdout.decode()
certs = []
cert = ""
capturing = False
for line in data.split('\n'):
if line == '-----BEGIN CERTIFICATE-----':
capturing = True
if capturing:
cert = "{0}{1}\n".format(cert, line)
if line == '-----END CERTIFICATE-----':
capturing = False
certs.append(cert)
cert = ""
with open(argv[2], 'w') as f:
for cert in set(certs):
f.write(cert)