Ansible Playbook to reload Cisco Switches and verify the version is at the target

cisco_reload_switches.yml

---
- hosts: sw_ios
  gather_facts: false
  models:
    "WS-C2960XR-48FPD-I":
      ios_version: "15.2(7)E0a"
      ios_path: "IOS/"
      ios_archive: "c2960x-universalk9-tar.152-7.E0a.tar"
      ios_binary: "c2960x-universalk9-mz.152-7.E0a.bin"
      ios_md5: "07195a8c7866ac2a91c64b716465c516"
      ios_size_kb: 37489

  tasks:
    - name: Wait until the lock file is removed
      wait_for:
        path: playbooks/file.lock
        state: absent
      tags:
        - lock

    - name: Email start of process on switch Name
      mail:
        subject: Reloading {{ inventory_hostname }}
        host: my.smtp.local
        port: 25
        to: 
          - craig.armstrong@mydomain.local
        from: ansible-reload@mydomain.local
      delegate_to: localhost
      tags:
        - email
        - reload
    
    - name: Create Lock File
      file:
        path: playbooks/file.lock
        state: touch
      tags:
        - reload
        - lock
    
    - name: Reload Switch
      ios_command:
        commands:
          - command: "reload"
            prompt: "Proceed with reload? \[confirm\]"
            answer: '\r'
      tags:
        - reload
    
    - name: Wait for the switch to return
      wait_for:
        host: "{{ ansible_host }}"
        port: 22
        delay: 180
        timeout: 600
      delegate_to: localhost
      tags:
        - reload
        - check_online
    
    - name: Email switch name back online
      mail:
        subject: Back Online {{ inventory_hostname }}
        host: my.smtp.local
        port: 25
        to: 
          - craig.armstrong@mydomain.local
        from: ansible-reload@mydomain.local
      delegate_to: localhost
      tags:
        - email
        - reload
    
    - name: Gather all legacy facts
      ios_facts:
        gather_subset: hardware
      tags:
        - facts
    
    - name: Asset that the IOS version is the correct one
      assert:
        that:
          - ansible_net_version = models[ansible_net_model]["ios_version"]
      tags:
        - facts
    
    - name: Delete Lock File
      file:
        path: playbooks/file.lock
        state: absent
      tags:
        - reload
        - lock