RouteCompare.yml

---

- name: Play 1 - Get Routes and Generate Comparison Output
  hosts: spine1,spine2
  vars:
    output_path: "{{playbook_dir}}/RouteCompareOutput"
    filename: "{{inventory_hostname}}_allroutes.csv"
  gather_facts: no

  tasks:

    - name: Gather EOS Facts
      eos_facts:

    - name:  Set Date Stamp
      set_fact: date="{{lookup('pipe','date +%Y.%m.%d_%H%m%S')}}"
      run_once: true

    - name: Capture Routes
      eos_command:
        commands:
          - show ip route | json
      register: allroutes

    - name: Create variable from route output
      set_fact:
        vrfdefaultroutes: "{{ allroutes.stdout[0].vrfs.default.routes }}"

    - name: Create spine1routes variable
      set_fact:
        spine1routes: "{{ allroutes.stdout[0].vrfs.default.routes | list }}"
      when: ansible_net_hostname == 'spine1'

    - name: Create spine2routes variable
      set_fact:
        spine2routes: "{{ allroutes.stdout[0].vrfs.default.routes | list }}"
      when: ansible_net_hostname == 'spine2'

    - name: Debug spine1routes - Kept in Playbook to demo Debug capabilities "The print statement of Ansible :)"
      debug:
        var: spine1routes

    - name: Remove Output Files if they Exist
      file:
        path: "{{ item }}"
        state: absent
      with_items:
        - "{{output_path}}/spine1_allroutes.csv"
        - "{{output_path}}/spine2_allroutes.csv"
        - "{{output_path}}/spine1_uniques.csv"
        - "{{output_path}}/spine2_uniques.csv"
        - "{{output_path}}/spines_commonroutes.csv"
      run_once: true

    - name: Create CSV File, with Headers, for AllRoutes Output
      lineinfile:
        dest: "{{ output_path }}/{{ filename }}"
        line: "Device Name,Route,Next Hop"
        create: yes
        state: present

    - name: Write All Routes to CSV File
      lineinfile:
        dest: "{{ output_path }}/{{ filename }}"
        line: "{{inventory_hostname}},{{item.key}},{{item.value.vias}}"
        create: yes
        state: present
      with_dict: "{{ vrfdefaultroutes }}"

    - name: Create spine1uniques variable
      set_fact:
        spine1uniques: "{{ hostvars.spine1.spine1routes | difference(hostvars.spine2.spine2routes) }}"
      run_once: true
      
    - name: Create spine2uniques variable
      set_fact:
        spine2uniques: "{{ hostvars.spine2.spine2routes | difference(hostvars.spine1.spine1routes) }}"
      run_once: true

    - name: Create spinecommonroutes variable
      set_fact:
        spinecommonroutes: "{{ hostvars.spine1.spine1routes | intersect(hostvars.spine2.spine2routes) }}"
      run_once: true

    - name: Debug spine1uniques - Kept in Playbook to demo Debug capabilities "The print statement of Ansible :)"
      debug:
        var: spine1uniques
      run_once: true

    - name: Debug spine2uniques - Kept in Playbook to demo Debug capabilities "The print statement of Ansible :)"
      debug:
        var: spine2uniques
      run_once: true

    - name: Create Spine1Uniques CSV File
      lineinfile:
        dest: "{{ output_path }}/spine1_uniques.csv"
        line: "{{ item }}"
        create: yes
        state: present
      with_items: "{{ spine1uniques }}"
      run_once: true

    - name: Create Spine2Uniques CSV File
      lineinfile:
        dest: "{{ output_path }}/spine2_uniques.csv"
        line: "{{ item }}"
        create: yes
        state: present
      with_items: "{{ spine2uniques }}"
      run_once: true

    - name: Create Spine Common Routes File
      lineinfile:
        dest: "{{ output_path }}/spines_commonroutes.csv"
        line: "{{ item }}"
        create: yes
        state: present
      with_items: "{{ spinecommonroutes }}"
      run_once: true