Created attachment 1674950 [details]
group_vars, inventory and ansible purge logs

Description of problem:
infrastructure-playbooks/purge-cluster.yml fails for rgw with error as [1].

[1]fatal: [magna126]: FAILED! => 
  msg: |-
    The task includes an option with an undefined variable. The error was: 'ansible.utils.unsafe_proxy.AnsibleUnsafeText object' has no attribute 'instance_name'
  
    The error appears to be in '/usr/share/ceph-ansible/infrastructure-playbooks/purge-cluster.yml': line 306, column 7, but may
    be elsewhere in the file depending on the exact syntax problem.
  
    The offending line appears to be:
  
  
        - name: stop ceph rgws with systemd
          ^ here


Version-Release number of selected component (if applicable):

ceph-ansible-4.0.17-1.el8.noarch
ansible-2.9.6-1.el8ae.noarch
ceph version 14.2.8-27.el8cp 

How reproducible:
2/2

Steps to Reproduce:
1. Deploy a cluster with rgw host
2. Run "ansible-playbook infrastructure-playbooks/purge-cluster.yml -vvvv"


Actual results:
The purge failed with [1].

Expected results:
The purge should be successful.


Additional info: