commit 00aea3bc08d1e7d3988b8d05fbed28d7ab08ed9e
Author: Pavlo Shchelokovskyy <shchelokovskyy@gmail.com>
Date:   Fri Oct 9 15:00:48 2020 +0300

    Expand user path when loading SSL-related files
    
    with this patch the cacert, cert and key items in the clouds.yaml can
    have shortened form like "~/.ssl/api.pem"
    
    Change-Id: I3bd12fe0c47a5f373bb231babd260b801a6c411a

diff --git a/openstack/config/cloud_region.py b/openstack/config/cloud_region.py
index 8f03d53..cf5fbaa 100644
--- a/openstack/config/cloud_region.py
+++ b/openstack/config/cloud_region.py
@@ -13,6 +13,7 @@
 # under the License.
 
 import copy
+import os.path
 import warnings
 import urllib
 
@@ -338,7 +339,7 @@ class CloudRegion:
         if insecure:
             verify = False
         if verify and cacert:
-            verify = cacert
+            verify = os.path.expanduser(cacert)
         else:
             if cacert:
                 warnings.warn(
@@ -349,8 +350,9 @@ class CloudRegion:
 
         cert = self.config.get('cert')
         if cert:
+            cert = os.path.expanduser(cert)
             if self.config.get('key'):
-                cert = (cert, self.config.get('key'))
+                cert = (cert, os.path.expanduser(self.config.get('key')))
         return (verify, cert)
 
     def get_services(self):