asserts.yml

---
  - hosts: orchestrator
    gather_facts: false
    tasks:
       - assert:
           that:
             - ( {{ item }} is defined) and ({{ item }} is not none) and ({{ item }}|length > 0)
           fail_msg: "'{{ item }}' value is not set or empty"
         with_items:
           - base_dir
           - dns_forwarder
           - loadbalancer_ip
           - packages.terraform_url
           - packages.openshift_client_linux_url
           - packages.openshift_install_linux_url
           - vsphere.server
           - vsphere.user
           - vsphere.passwd
           - vsphere.datacenter_name
           - vsphere.cluster_name
           - vsphere.datastore_name
           - vsphere.RHCOS_template_name
           - openshift_pullsecret
           - domainname

       - assert:
           that:
             - (bootstrap_vars.node_ip is defined) and (bootstrap_vars.node_ip is not none) and (bootstrap_vars.node_ip | ipaddr)
           fail_msg: "'bootstrap_vars.node_ip' value is not set or not valid mac"
           success_msg: "'bootstrap_vars.node_ip' value is valid"

       - assert:
           that:
             - (masters_vars.nodes is defined) and (masters_vars.nodes is not none) and (masters_vars.nodes | length >= 3)
           fail_msg: "Number of master nodes should be atleast 3"
           success_msg: "Check for number of master nodes passed"

       - assert:
           that:
             - (workers_vars.nodes is defined) and (workers_vars.nodes is not none) and (workers_vars.nodes | length >= 1)
           fail_msg: "Number of worker nodes should be atleast 1"
           success_msg: "Check for number of worker nodes passed"

       - assert:
           that:
             - ( 'ip' in item.value) and ( "{{ item.value.ip }}" is not none) and ("{{ item.value.ip }}" | ipaddr)
           fail_msg: "'{{ item }} node ip' value is not set or not valid ip address"
           success_msg: "'{{ item }} ' has valid ip"
         with_dict: "{{ masters_vars.nodes | combine(workers_vars.nodes)}}"