report_event.yaml

---
- hosts: nxos
  gather_facts: false
  tasks:
    - ansible.builtin.debug:
        msg: "### start gathering information to report detected event ###"
    
    - name: "Gather NX-OS version information from affected host"
      cisco.nxos.nxos_command:
        commands: show version
      register: version
    
    - name: "Retrieve source-of-truth from remote repository"
      ansible.scm.git_here:
        origin:
          url: <enter URL of SCM repo>
          token: "{{ lookup('env', 'GH_TOKEN') }}"
      register: result
      changed_when: false

    - name: "Get golden route table entries from SCM"
      ansible.builtin.set_fact:
        before: "{{ lookup('file', '{{ result.path }}/data_store/{{ inventory_hostname }}_route.yaml') | from_yaml }}"
        
    - name: "Run command and parse with pyats"
      ansible.utils.cli_parse:
        command: "show bgp vrf prod ipv4 unicast"
        parser:
          name: ansible.netcommon.pyats
      register: ip_route

    - name: "Get missing route table entries"
      ansible.utils.fact_diff:
        before: "{{ before | ansible.utils.to_paths }}"
        after: "{{ ip_route['parsed'] | ansible.utils.to_paths }}"
      register: missing_routes
    
    - name: "Dump gathered information to files"
      ansible.builtin.copy:
        content: "{{ item.data }}"
        dest: "/tmp/{{ item.name }}.txt"
      loop:
        - data: "{{ version.stdout[0] }}"
          name: "show_version"
        - data: "{{ missing_routes.diff_lines }}"
          name: "missing_routes"
      register: result

    - name: "Create SNOW Incident"
      servicenow.itsm.incident:
        state: new
        short_description: "Missing routes from route table for host {{ inventory_hostname }}"
        attachments:
          - name: "show_version.txt"
            path: "/tmp/show_version.txt"

          - name: "missing_routes.txt"
            path: "/tmp/missing_routes.txt"
    
    - name: "Cleanup files"
      ansible.builtin.file:
        path: "{{ item }}"
        state: absent
      loop:
        - /tmp/show_version.txt
        - /tmp/missing_routes.txt
    
    - ansible.builtin.debug:
        msg: "### Incident reported ###"