add a --days option to the cli tool

autoca/ca_tool.py

@@ -33,6 +33,8 @@ def main():
                       'comma-separated ATTR=VALUE assignments')
     parser.add_option('--secret', dest='secret',
                       help='shared secret for authentication')
+    parser.add_option('--days', dest='days', type='int', default=7,
+                      help='certificate validity')
     opts, args = parser.parse_args()
     if len(args) < 1:
         parser.error('No command specified')
@@ -59,7 +61,7 @@ def main():
         if not opts.subject:
             parser.error('Must specify --subject')
         subject = certutil.parse_subject(opts.subject)
-        pkey, cert = ca.make_certificate(subject, days=7,
+        pkey, cert = ca.make_certificate(subject, days=opts.days,
                                          server=opts.server)
         writeout(opts.output, crypto.dump_certificate(
                 crypto.FILETYPE_PEM, cert))