Simple Ansible Example using when for different OS Types

This is quite a good example Ansible script that can be used when you have different falvours of Linux in your estate.

This example is for changing syslog address for both Redhat and SuSE Linux.  This is good to have around in the toolkit, I also have one for differnent versions of the same flavour.

---
-
  name: "Change Syslog Server"
  hosts: syslog
  remote_user: root

  tasks:
  - name:
    replace:
      dest: /etc/syslog-ng/syslog-ng.conf
      regexp: '^destination logserver \{ udp\(\"oldsyslog01\" port\(514\)\); \};'
      replace: 'destination logserver { udp("newsyslog01" port(556)); };'
    register: suse_result
    when: (ansible_os_family == "Suse")

  -  service: name=syslog state=restarted
     when: suse_result.changed

  - name:
    replace:
      dest: /etc/rsyslog.conf
      regexp: 'oldsyslog01:514'
      replace: 'newsyslog01:556'
    register: redhat_result
    when: (ansible_os_family == "RedHat")

  - service: name=rsyslog state=restarted
    when: redhat_result.changed

So here you can see the simple way you can change your syslog hosts and ports.  You can also put in IP addresses if they are in the file.

Then when you have all your hosts listed in /etc/ansible/hosts then run ansible-playbook change_syslog.yml and leave it to work it's magic

I am always interested in your thoughts so if you have any comments or feedback then please feel free to add any comments, or you can mail me  here.