Use versionless Keystone endpoints

With versioned keystone endpoints we hit an issue similar to TripleO
issue https://bugs.launchpad.net/tripleo/+bug/1667679.

ansible/roles/kolla-ansible/templates/globals.yml.j2

@@ -165,6 +165,12 @@ enable_{{ feature_flag }}: {{ hostvars[inventory_hostname]['kolla_enable_' ~ fea
 # 28800(8 hour), 43200(12 hour), 86400(1 day), 604800(1 week).
 #fernet_token_expiry: 86400
 
+# Use versionless endpoints for Keystone to avoid hitting an issue similar to
+# TripleO issue https://bugs.launchpad.net/tripleo/+bug/1667679.
+keystone_admin_url: "{% raw %}{{ admin_protocol }}://{{ kolla_internal_fqdn }}:{{ keystone_admin_port }}{% endraw %}"
+keystone_internal_url: "{% raw %}{{ internal_protocol }}://{{ kolla_internal_fqdn }}:{{ keystone_public_port }}{% endraw %}"
+keystone_public_url: "{% raw %}{{ public_protocol }}://{{ kolla_external_fqdn }}:{{ keystone_public_port }}{% endraw %}"
+
 
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 # Glance options