always regenerate the CA config file if necessary

cam/ca.py

@@ -66,6 +66,10 @@ class CA(object):
         fcntl.lockf(self._lockfd, fcntl.LOCK_UN)
         self._lockfd.close()
 
+    def _update_config(self):
+        # Create the OpenSSL configuration file.
+        utils.render(self.files.conf, 'openssl_config', self.config)
+
     def close(self):
         self._unlock()
 
@@ -92,8 +96,7 @@ class CA(object):
             with open(self.files.crlnumber, 'w') as fd:
                 fd.write('01\n')
 
-        # Create the OpenSSL configuration file.
-        utils.render(self.files.conf, 'openssl_config', self.config)
+        self._update_config()
 
         # Generate keys if they do not exist.
         if not os.path.exists(self.files.public_key):
@@ -128,6 +131,9 @@ class CA(object):
 
     def gencrl(self):
         log.info('generating CRL')
+
+        self._update_config()
+
         # Write the CRL in PEM format to a temporary file.
         tmpf = self.files.crl + '.tmp'
         openssl_wrap.run_with_config(
@@ -150,6 +156,8 @@ class CA(object):
         self.gencrl()
 
     def generate(self, cert):
+        self._update_config()
+
         expiry = cert.get_expiration_date()
         if expiry and expiry > time.time():
             log.warn('certificate is still valid, revoking previous version')