ca_status: add HTTP timeout 30 seconds

CA sometimes "forgot to answer" so we have to add timeout for http
connection and ask again rather than wait for infinity.

https://pagure.io/freeipa/issue/6766

Reviewed-By: Stanislav Laznicka <slaznick@redhat.com>

ipalib/constants.py

@@ -140,6 +140,8 @@ DEFAULT_CONFIG = (
 
     # Time to wait for a service to start, in seconds
     ('startup_timeout', 300),
+    # How long http connection should wait for reply [seconds].
+    ('http_timeout', 30),
 
     # Web Application mount points
     ('mount_ipa', '/ipa/'),

ipapython/dogtag.py

@@ -123,7 +123,9 @@ def ca_status(ca_host=None):
     if ca_host is None:
         ca_host = api.env.ca_host
     status, _headers, body = http_request(
-        ca_host, 8080, '/ca/admin/ca/getStatus')
+        ca_host, 8080, '/ca/admin/ca/getStatus',
+        # timeout: CA sometimes forgot to answer, we have to try again
+        timeout=api.env.http_timeout)
     if status == 503:
         # Service temporarily unavailable
         return status