Add consul_policy module from dormant PR (#6715)

Squash commits to make rebasing easier

Co-authored-by: Valerio Poggi <vrpoggigmail.com>

tests/integration/targets/consul/tasks/consul_policy.yml

@@ -0,0 +1,67 @@
+---
+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+- name: Create a policy with rules
+  consul_policy:
+    name: foo-access
+    rules: |
+        key "foo" {
+            policy = "read"
+        }
+        key "private/foo" {
+            policy = "deny"
+        }
+    token: "{{ consul_management_token }}"
+  register: result
+
+- assert:
+    that:
+      - result is changed
+      - result['policy']['Name'] == 'foo-access'
+- name: Update the rules associated to a policy
+  consul_policy:
+    name: foo-access
+    rules: |
+        key "foo" {
+            policy = "read"
+        }
+        key "private/foo" {
+            policy = "deny"
+        }
+        event "bbq" {
+            policy = "write"
+        }
+    token: "{{ consul_management_token }}"
+  register: result
+- assert:
+    that:
+      - result is changed
+- name: Update reports not changed when updating again without changes
+  consul_policy:
+    name: foo-access
+    rules: |
+        key "foo" {
+            policy = "read"
+        }
+        key "private/foo" {
+            policy = "deny"
+        }
+        event "bbq" {
+            policy = "write"
+        }
+    token: "{{ consul_management_token }}"
+  register: result
+- assert:
+    that:
+      - result is not changed
+- name: Remove a policy
+  consul_policy:
+    name: foo-access
+    token: "{{ consul_management_token }}"
+    state: absent
+  register: result
+- assert:
+    that:
+      - result is changed

tests/integration/targets/consul/tasks/main.yml

@@ -90,7 +90,8 @@
       - 2
       - 3
     - import_tasks: consul_session.yml
+    - import_tasks: consul_policy.yml
     always:
     - name: Kill consul process
       shell: kill $(cat {{ remote_tmp_dir }}/consul.pid)
-      ignore_errors: true
+      ignore_errors: true