batch-scheduled-task.yml

- name: 'Test playbook to sleep for a specified interval'

  #################################################
  #This selects a random host from hosts file
  #################################################
  hosts: "{{ groups['cluster_members'] | random }}"
  #################################################
  
  gather_facts: false
  vars:
    - sleep_interval: 3600
    - slack_token: ${SLACK_TOKEN}
    - datadog_api_key: ${DATADOG_API_KEY}  
    - datadog_app_key: ${DATADOG_APP_KEY}

  tasks:

    - name: Send notification message via Slack of start
      slack:
        token: '{{ slack_token }}'
        msg: 'sleep on {{ inventory_hostname }} beginning run'
        channel: '#general'
      delegate_to: localhost    
   
    ##################################################
    # This is where you would add your scheduled task      
    ##################################################
    - name: sleep for a specified interval
      command: sleep '{{ sleep_interval }}'
      register: result
    ##################################################  

    - name: Add success to syslog
      when: result|succeeded
      syslogger:
        msg: "sleep ran successfully" 

    - name: Add fail to syslog
      when: result|failed
      syslogger:
        msg: "sleep ran unsuccessfully"
       
    - name: Send notification message via Slack of success
      slack:
        token: '{{ slack_token }}'
        msg: 'sleep on {{ inventory_hostname }} ran successfully'
        channel: '#general'
      when: result|succeeded 
      delegate_to: localhost    

    - name: Send notification message via Slack of failure
      slack:
        token: '{{ slack_token }}'
        msg: 'sleep on {{ inventory_hostname }} ran unsuccessfully'
        channel: '#general'
      when: result|failed
      delegate_to: localhost

    - name: Send event notification to Datadog of success 
      datadog_event:
        title: 'Ansible on {{ inventory_hostname }}'
        text: 'sleep on {{ inventory_hostname }} ran successfully'
        api_key: '{{ datadog_api_key }}'
        app_key: '{{ datadog_app_key }}'
        tags: '#host:{{ inventory_hostname }}' 
      when: result|succeeded
      delegate_to: localhost  

    - name: Send event notification to Datadog of failure
      datadog_event:
        title: 'Ansible on {{ inventory_hostname }}'
        text: 'sleep on {{ inventory_hostname }} ran unsuccessfully'
        api_key: '{{ datadog_api_key }}'
        app_key: '{{ datadog_app_key }}'
        tags: '#host:{{ inventory_hostname }}'
      when: result|failed
      delegate_to: localhost