ansible/T8/guided/troubleshoot-host/mailrelay.yml

---
# start of mailrelay playbook
- name: create mail relay servers
  hosts: mailrelay
  user: devops
  become: true

  tasks:
    - name: install postfix package
      yum:
        name: postfix
        state: installed

    - name: install mail config files
      template:
        src: postfix-relay-main.conf.j2
        dest: /etc/postfix/main.cf
        owner: root
        group: root
        mode: 0644
      notify: restart postfix

    - name: check main.cf file
      stat: path=/etc/postfix/main.cf
      register: maincf

    - name: verify main.cf file exists
      debug: msg="The main.cf file exists"
      when: maincf.stat.exists is defined

    - name: start and enable mail services
      service:
        name: postfix
        state: started
        enabled: yes

    - name: check for always_bcc
      command: /usr/sbin/postconf always_bcc
      register: bcc_state
      ignore_errors: true

    - name: email notification of always_bcc config
      mail:
        to: student@serverb.example.com
        subject: 'always_bcc setting is not empty'
        body: "always_bcc is {{bcc_state.stdout}}"
      when: bcc_state.stdout != 'always_bcc ='

    - name: POSTFIX FIREWALL CONFIG
      firewalld:
        state: enabled
        permanent: true
        immediate: true
        service: smtp
      
  handlers:
    - name: restart postfix
      service:
        name: postfix
        state: restarted

# end of mailrelay play