Update identity_role_info for latest openstacksdk release

- Stop checking for to_dict, breaking compatibility with older sdk
  releases
- Updates RETURN doc string with all the returned fields
- Adds a new identity_role_info role to test the identity_role_info
  module.
- Change the name of the module return value to remove 'openstack_'
  prefix

Change-Id: If8a1145a31d685d41367383930e6fd08d64c6ae8

ci/roles/identity_role/tasks/main.yml

@@ -32,7 +32,7 @@
   - name: Assert role found
     assert:
       that:
-        - roles.openstack_roles | length == 1
+        - roles.roles | length == 1
   - name: Assert role changed
     assert:
       that: role is changed
@@ -45,7 +45,7 @@
       that: role['role']['name'] == role_name
   - name: Assert retrieved values
     assert:
-      that: roles.openstack_roles[0].name == role_name
+      that: roles.roles[0].name == role_name
 
 - block:
   - name: Create existing keystone role
@@ -80,4 +80,4 @@
   - name: Assert no role found
     assert:
       that:
-        - roles.openstack_roles | length == 0
+        - roles.roles | length == 0

ci/roles/identity_role_info/tasks/main.yml

@@ -0,0 +1,64 @@
+- name: Ensure role does not exist before tests
+  openstack.cloud.identity_role:
+    cloud: "{{ cloud }}"
+    state: absent
+    name: test_role
+
+- name: Get unexistent role
+  openstack.cloud.identity_role_info:
+    cloud: "{{ cloud }}"
+    name: test_role
+  register: roleinfo
+
+- debug:
+    var: roleinfo
+
+- name: Assert that no results were returned
+  assert:
+    that: not roleinfo.roles
+
+- name: Create keystone role
+  openstack.cloud.identity_role:
+    cloud: "{{ cloud }}"
+    state: present
+    name: test_role
+
+- name: Create second role
+  openstack.cloud.identity_role:
+    cloud: "{{ cloud }}"
+    state: present
+    name: test_role2
+
+- name: Get role by name
+  openstack.cloud.identity_role_info:
+    cloud: "{{ cloud }}"
+    name: test_role
+  register: roleinfo
+
+- debug:
+    var: roleinfo
+
+- name: Assert that only one result was returned
+  assert:
+    that: roleinfo.roles | length == 1
+
+- name: Assert that roleinfo has fields
+  assert:
+    that: item in roleinfo.roles[0]
+  loop:
+    - description
+    - domain_id
+    - id
+    - links
+    - name
+
+- name: Post-test cleanup
+  block:
+  - name: Clean up roles
+    openstack.cloud.identity_role:
+      cloud: "{{ cloud }}"
+      state: absent
+      name: "{{ item }}"
+    loop:
+      - test_role
+      - test_role2

ci/run-collection.yml

@@ -20,6 +20,7 @@
     - { role: identity_user, tags: identity_user }
     - { role: identity_user_info, tags: identity_user_info }
     - { role: identity_role, tags: identity_role }
+    - { role: identity_role_info, tags: identity_role_info }
     - { role: image, tags: image }
     - { role: keypair, tags: keypair }
     - { role: keystone_domain, tags: keystone_domain }