Task "Manage Fabric Policies in Nexus Dashboard" fails to modify eBGP Overlay Policies

[marehler]

Ansible Version

ansible [core 2.16.3]

Ansible Collection Versions

Collection         Version
------------------ -------
ansible.netcommon  7.1.0  
ansible.posix      2.0.0  
ansible.utils      5.1.2  
cisco.dcnm         3.11.1 
cisco.nac_dc_vxlan 0.7.2  
cisco.nxos         9.4.0  
community.general  10.1.0

Cisco Nexus Dashboard Version

3.2.2m

Cisco NX-OS Version

10.5(4)

Which role is this issue related to?

cisco.nac_dc_vxlan.dtc.create

Which section of the data model is this issue related to?

vxlan.policy

Expected Behavior

Switches can be added or removed.

Actual Behavior

TASK [cisco.nac_dc_vxlan.create : Manage Policies Entry Point] **************************************************************************************
ok: [vnd1_db_site1] => {
    "msg": [
        "----------------------------------------------------------------",
        "+     Manage Policies Fabric DB-VXLAN-BGP1",
        "----------------------------------------------------------------"
    ]
}

TASK [cisco.nac_dc_vxlan.create : Manage Fabric Policies in Nexus Dashboard] ************************************************************************
fatal: [vnd1_db_site1]: FAILED! => {"changed": false, "msg": {"DATA": {"failureList": [{"message": "An unexpected error occurred during template execution. Please retry after some time. Please contact Cisco TAC if the issue persists.", "name": "POLICY-437240", "status": "Failed"}]}, "MESSAGE": "Internal Server Error", "METHOD": "PUT", "REQUEST_PATH": "https://[2001:420:448b:8006::7]:443/appcenter/cisco/ndfc/api/v1/lan-fabric/rest/control/policies/POLICY-437240/bulk", "RETURN_CODE": 500}}

Ansible Playbook

---
# This is the main entry point playbook.

- hosts: "{{ lookup('env', 'ANSIBLE_HOST') }}"
  any_errors_fatal: true
  gather_facts: no

  roles:
    - role: cisco.nac_dc_vxlan.dtc.create
    - role: cisco.nac_dc_vxlan.dtc.deploy
    - role: cisco.nac_dc_vxlan.dtc.remove

Data Model

---
vxlan:
  policy:
    policies:
      - name: ebgp_overlay_spine_all_neighbor_custom
        template_name: ebgp_overlay_spine_all_neighbor_custom
        template_vars:
          LEAF_IP_LIST: "10.22.0.2,10.22.0.6,10.22.0.4,10.22.0.1"      
          INTF_NAME: "Loopback0"
          LEAF_ASNS: "65000.2,65000.2,65000.22,65000.22"
      - name: ebgp_overlay_leaf_all_neighbor_custom
        template_name: ebgp_overlay_leaf_all_neighbor_custom
        template_vars:
          SPINE_IP_LIST: "10.22.0.5,10.22.0.3"        
          INTF_NAME: "Loopback0"

    groups:
      - name: leaf_group1
        priority: 500
        policies:
          - name: ebgp_overlay_leaf_all_neighbor_custom
      - name: spine_group1
        priority: 500
        policies:
          - name: ebgp_overlay_spine_all_neighbor_custom
      - name: BGW_group
        priority: 500
        policies:
          - name: ebgp_overlay_leaf_all_neighbor_custom

    switches:
      - name: N9Kv-LEAF1
        groups:
          - leaf_group1
      - name: N9Kv-LEAF2
        groups:
          - leaf_group1
      - name: N9Kv-SPINE1
        groups:
          - spine_group1
      - name: N9Kv-SPINE2
        groups:
          - spine_group1
      - name: N9Kv-BGW1
        groups:
          - BGW_group
      - name: N9Kv-BGW2
        groups:
          - BGW_group

Steps to Reproduce

1. Create custom templates by duplicating built-in eBGP overlay templates (Ref: https://netascode.cisco.com/docs/data_models/vxlan/global/vxlan_evpn_ebgp/)
2. Run playbook to create policies
3. Add or remove switch
4. Run playbook again

Relevant Debug Output

[marehler]

Raised corresponding issue in the DCNM collection:
CiscoDevNet/ansible-dcnm#693