Add quotes around policy name and rule

Policy name or rule may contain specific
symbols which can lead to sls rendering failure.

PROD-34318

Change-Id: I35356f580e10cffa833d4cfcefd74ea2a8dc33b5
diff --git a/keystone/server.sls b/keystone/server.sls
index 9521465..93f1a01 100644
--- a/keystone/server.sls
+++ b/keystone/server.sls
@@ -191,8 +191,8 @@
 keystone_keystone_rule_{{ name }}_present:
   keystone_policy.rule_present:
   - path: /etc/keystone/{{ server.get('oslo_policy', {}).get('policy_file', 'policy.json') }}
-  - name: {{ name }}
-  - rule: {{ rule }}
+  - name: '{{ name }}'
+  - rule: '{{ rule }}'
   - require:
     - pkg: keystone_packages
     - file: /etc/keystone/{{ server.get('oslo_policy', {}).get('policy_file', 'policy.json') }}
@@ -202,7 +202,7 @@
 keystone_keystone_rule_{{ name }}_absent:
   keystone_policy.rule_absent:
   - path: /etc/keystone/{{ server.get('oslo_policy', {}).get('policy_file', 'policy.json') }}
-  - name: {{ name }}
+  - name: '{{ name }}'
   - require:
     - pkg: keystone_packages
     - file: /etc/keystone/{{ server.get('oslo_policy', {}).get('policy_file', 'policy.json') }}