Update data model in validate with md5 and test if file exists

[ccoueffe]

Related Issue(s)

Related Collection Role

• cisco.nac_dc_vxlan.validate
• cisco.nac_dc_vxlan.dtc.create
• cisco.nac_dc_vxlan.dtc.deploy
• cisco.nac_dc_vxlan.dtc.remove
• other

Related Data Model Element

• vxlan.fabric
• vxlan.global
• vxlan.topology
• vxlan.underlay
• vxlan.overlay
• vxlan.overlay_extensions
• vxlan.policy
• vxlan.multisite
• defaults.vxlan
• other

Proposed Changes

Update the data model to include an MD5 hash of the policy filename, enabling state comparison by storing this value in the data model.

Example during the playbook, when change is detected:

TASK [cisco.nac_dc_vxlan.validate : Display Model File Changes] **********************************************************************************************************************************************************************************************************************************************************************************
Tuesday 25 November 2025  19:43:10 +0100 (0:00:00.025)       0:00:05.429 ****** 
Tuesday 25 November 2025  19:43:10 +0100 (0:00:00.025)       0:00:05.428 ****** 
--- before
+++ after
@@ -3733,7 +3733,7 @@
                     },
                     {
                         "filename": "/home/cisco/nac-ndfc/data/copp.cfg",
-                        "md5": "079c0a579ebec963fc2e18b4e8cff505",
+                        "md5": "bc3a0a05d7fe9b4bcf5295b3525606a1",
                         "name": "copp",
                         "template_name": "switch_freeform"
                     }

changed: [nac-ndfc2 -> localhost]

Update rule 501 to test during nac-validate if file exists when use in policy.

Example when doesn't exist:

ERROR - Semantic error, rule 501: Verify policy cross reference between policies, groups, and switches (['Filename /workspace/nac-ndfc/data/ccopp.cfg does not exist in policy: copp '])

Test Notes

Cisco Nexus Dashboard Version

Checklist

• Latest commit is rebased from develop with merge conflicts resolved
• New or updates to documentation has been made accordingly
• Assigned the proper reviewers