host specific defaults and diff model changes

Author: mikewiebe

.gitignore

@@ -138,3 +138,4 @@ roles/dtc/create/files
 roles/dtc/deploy/files
 roles/dtc/remove/files
 roles/validate/files/*
+roles/validate/defaults/*

plugins/action/common/check_roles.py

@@ -0,0 +1,28 @@
+from __future__ import absolute_import, division, print_function
+
+
+__metaclass__ = type
+
+from ansible import constants as C
+from ansible.utils.display import Display
+from ansible.plugins.action import ActionBase
+
+from ..helper_functions import do_something
+
+from pprint import pprint
+
+display = Display()
+
+class ActionModule(ActionBase):
+
+    def run(self, tmp=None, task_vars=None):
+        # self._supports_async = True
+        results = super(ActionModule, self).run(tmp, task_vars)
+        results['save_previous'] = False
+
+        roles = self._task.args['role_list']
+        for role in ['cisco.nac_dc_vxlan.create', 'cisco.nac_dc_vxlan.remove']:
+            if role in roles:
+                results['save_previous'] = True
+
+        return results

plugins/action/dtc/vpc_pair_check.py

@@ -42,7 +42,6 @@ def run(self, tmp=None, task_vars=None):
         # vpc_data['results'][1]['response'][0]['isVpcConfigured']
         # vpc_data['results'][1]['response'][1]['isVpcConfigured']
 
-        import epdb; epdb.set_trace()
 
         if fabric_data.get('global').get('auth_proto') is None:
             results['failed'] = True

roles/validate/tasks/main.yml

@@ -2,8 +2,8 @@
 - name: Validate NDFC Service Model Data
   vars:
     schema_path: "{{ role_path }}/files/fabric_schema.yaml"
-    rules_path: "{{ role_path }}/files/rules/"
     data_path: "{{ inventory_dir }}/host_vars/{{ inventory_hostname }}"
+    rules_path: "{{ role_path }}/files/rules/"
 
   block:
     - debug: msg="Calling Role Validate - nac_dc_vxlan.validate"
@@ -38,14 +38,24 @@
       ansible.builtin.set_fact:
         MD_Extended: "{{ smd['model_extended'] }}"
 
-    - name: Copy Service Model Data to Host
-      ansible.builtin.copy:
-        content: "{{ MD | to_nice_json }}"
-        dest: "{{ role_path }}/files/service_model_golden.json"
-        force: yes
-
-    - name: Copy Extended Service Model Data to Host
-      ansible.builtin.copy:
-        content: "{{ MD_Extended | to_nice_json }}"
-        dest: "{{ role_path }}/files/service_model_extended.json"
-        force: yes
+    - name: "Check Roles"
+      cisco.nac_dc_vxlan.common.check_roles:
+        role_list: "{{ role_names }}"
+      register: check_roles
+
+    - name: Manage Previous Service Model Data Files
+      ansible.builtin.include_tasks: manage_model_files_previous.yml
+      when: check_roles['save_previous']
+
+    - name: Manage Current Service Model Data Files
+      ansible.builtin.include_tasks: manage_model_files_current.yml
+      when: check_roles['save_previous']
+
+    - name: Stat Host Specific Defaults
+      ansible.builtin.stat: path="{{ role_path }}/defaults/{{ inventory_hostname }}/defaults.yml"
+      register: host_defaults
+
+    - name: Include Host Specific Defaults if Available
+      ansible.builtin.include_vars:
+        file: "{{ role_path }}/defaults/{{ inventory_hostname }}/defaults.yml"
+      when: host_defaults.stat.exists

roles/validate/tasks/manage_model_files_current.yml

@@ -0,0 +1,27 @@
+---
+
+# Copy the current golden and extended service model data to the host
+- name: Copy Service Model Data to Host
+  ansible.builtin.copy:
+    content: "{{ MD | to_nice_json }}"
+    dest: "{{ role_path }}/files/{{ MD.fabric.global.name }}_service_model_golden.json"
+    force: yes
+
+# Copy the extended golden and extended service model data to the host
+- name: Copy Extended Service Model Data to Host
+  ansible.builtin.copy:
+    content: "{{ MD_Extended | to_nice_json }}"
+    dest: "{{ role_path }}/files/{{ MD.fabric.global.name }}_service_model_extended.json"
+    force: yes
+
+# Read current golden service model data into a variable called 'smd_golden_current'
+- name: Read Current Service Model Data from Host
+  ansible.builtin.include_vars:
+    file: "{{ role_path }}/files/{{ MD.fabric.global.name }}_service_model_golden.json"
+  register: smd_golden_current
+
+- name: Display Model File Changes
+  ansible.utils.fact_diff:
+    before: "{{ smd_golden_previous }}"
+    after: "{{ smd_golden_current }}"
+  when: check_roles['save_previous']

roles/validate/tasks/manage_model_files_previous.yml

@@ -0,0 +1,32 @@
+---
+
+- name: "Check Roles"
+  cisco.nac_dc_vxlan.common.check_roles:
+    role_list: "{{ role_names }}"
+  register: check_roles
+
+# Check if golden and extended service model data files exist from previous runs
+- name: Stat the Golden Service Model Data
+  ansible.builtin.stat: path="{{ role_path }}/files/{{ MD.fabric.global.name }}_service_model_golden.json"
+  register: golden_stat
+
+- name: Stat the Extended Service Model Data
+  ansible.builtin.stat: path="{{ role_path }}/files/{{ MD.fabric.global.name }}_service_model_extended.json"
+  register: extended_stat
+
+# Read and store previous golden service model data into a variable called 'smd_golden_previous'
+- name: Read Previous Golden Service Model Data from Host
+  ansible.builtin.include_vars:
+    file: "{{ role_path }}/files/{{ MD.fabric.global.name }}_service_model_golden.json"
+  register: smd_golden_previous
+  when: golden_stat.stat.exists and check_roles['save_previous']
+
+# Rename golden file from previous run to append '_previous' to the filename
+- name: Move Golden Service Model Data Previous
+  ansible.builtin.command: mv "{{ role_path }}/files/{{ MD.fabric.global.name }}_service_model_golden.json" "{{ role_path }}/files/{{ MD.fabric.global.name }}_service_model_golden_previous.json"
+  when: golden_stat.stat.exists and check_roles['save_previous']
+
+# Rename extended file from previous run to append '_previous' to the filename
+- name: Move Extended Service Model Data Previous
+  ansible.builtin.command: mv "{{ role_path }}/files/{{ MD.fabric.global.name }}_service_model_extended.json" "{{ role_path }}/files/{{ MD.fabric.global.name }}_service_model_extended_previous.json"
+  when: extended_stat.stat.exists and check_roles['save_previous']