A declarative Ansible playbook to manage Cisco NX-OS syslog server configuration

syslog_nxos.yml

# Syslog configuration with Cisco NX-OS devices
#
# Usage: ansible-playbook -k -u <cli_user> syslog_nxos.yml
# Specify the syslog servers in the 'vars:' section of the playbook header.

---
- name: Ensure desired state - syslog server
  hosts: all
  gather_facts: false
  connection: network_cli

  vars:
    syslog_vrf: management
    syslog_sev: 6
    syslog_server:
      - 192.0.2.1
      - 192.0.2.10

  tasks:

  - name: GATHER RUNNING CONFIG REGARDING SYSLOG SERVERS
    nxos_command:
      commands: show run | incl "logging server"
    register: run_config_syslog
    when: ansible_network_os == 'nxos'

  - name: PARSE LIST OF CONFIGURED SYSLOG SERVERS
    set_fact:
      configured_syslogserver: "{{ run_config_syslog.stdout[0] | regex_findall('\\b(?:[0-9]{1,3}\\.){3}[0-9]{1,3}\\b') }}"
    when: ansible_network_os == 'nxos'

  - name: CONFIGURE SYSLOG SERVERS
    nxos_config:
      lines:
        - logging server {{ item }} {{ syslog_sev | default (5) }} use-vrf {{ syslog_vrf | default ('default') }}
      save_when: changed
    loop: "{{ syslog_server }}"
    when: ansible_network_os == 'nxos'

  - name: DELETE ORPHAN SYSLOG SERVERS
    nxos_config:
      lines:
        - no logging server {{ item }}
      save_when: changed
    loop: "{{ configured_syslogserver }}"
    when: ansible_network_os == 'nxos' and item not in syslog_server