Block aslinda bir try catch blogu gibi dene error olursa rescueyu yap sonra mutlaka always i calistir gibi.

- name: Package Installation
  hosts: nodes
  become: yes
  tasks:
    - name: Inform pipeline start
      debug:
        msg: "Pipeline started"
        
    - block:
        - name: Message httpd
          debug: 
            msg: "httpd"

        - name: Install httpd-wrong
          yum:
            name: httpd-wrong
            state: present
      rescue:
        - name: Show error
          debug:
            msg: Package Not found"
        - name: Install nginx
          yum:
            name: nginx
            state: latest

      always:
        - name: Message
          debug:
            msg: "Webserver installed"