Description of problem:
After applying in my local environment the patch https://review.opendev.org/760351 which fixes https://bugzilla.redhat.com/show_bug.cgi?id=1892323  I got the following error when trying to run any validation/group:

(undercloud) [stack@undercloud-0 ~]$ openstack tripleo validator run --static-inventory inventory.yaml --group pre-upgrade              
Error while creating Ansible artifacts log file.Please check the access rights for {}                                                
Traceback (most recent call last):                                                                                                                                   
  File "/usr/lib/python3.6/site-packages/validations_libs/utils.py", line 45, in create_artifacts_dir                             
    os.makedirs(log_dir)                                                                                                                            
  File "/usr/lib64/python3.6/os.py", line 210, in makedirs                                                                            
    makedirs(head, mode, exist_ok)                                                                                                                                   
  File "/usr/lib64/python3.6/os.py", line 210, in makedirs                                                                        
    makedirs(head, mode, exist_ok)                                                                                                                   
  File "/usr/lib64/python3.6/os.py", line 220, in makedirs                                                                                      
    mkdir(name, mode)                                                                                                                 
PermissionError: [Errno 13] Permission denied: '/var/log/validations'                                                                        
Exception occured while running the command                                                                                           
Traceback (most recent call last):                                                                                                                  
  File "/usr/lib/python3.6/site-packages/validations_libs/utils.py", line 45, in create_artifacts_dir                                   
    os.makedirs(log_dir)                                                                                                                     
  File "/usr/lib64/python3.6/os.py", line 210, in makedirs                                                                           
    makedirs(head, mode, exist_ok)                                                                                                    
  File "/usr/lib64/python3.6/os.py", line 210, in makedirs                                                                              
    makedirs(head, mode, exist_ok)                                                                                                
  File "/usr/lib64/python3.6/os.py", line 220, in makedirs                                                                           
    mkdir(name, mode)                                                                                                                             
PermissionError: [Errno 13] Permission denied: '/var/log/validations'            
During handling of the above exception, another exception occurred:                                                                   
                                                                                                                                     
Traceback (most recent call last):                                                                                                                                   
  File "/usr/lib/python3.6/site-packages/tripleoclient/command.py", line 32, in run                                                     
    super(Command, self).run(parsed_args)                                                                                            
  File "/usr/lib/python3.6/site-packages/osc_lib/command/command.py", line 41, in run                                                 
    return super(Command, self).run(parsed_args)                                                                                                    
  File "/usr/lib/python3.6/site-packages/cliff/command.py", line 185, in run
    return_code = self.take_action(parsed_args) or 0
  File "/usr/lib/python3.6/site-packages/tripleoclient/v1/tripleo_validator.py", line 398, in take_action
    self._run_validator_run(parsed_args)
  File "/usr/lib/python3.6/site-packages/tripleoclient/v1/tripleo_validator.py", line 369, in _run_validator_run
    quiet=parsed_args.quiet)
  File "/usr/lib/python3.6/site-packages/validations_libs/validation_actions.py", line 100, in run_validations
    prefix=os.path.basename(playbook))
  File "/usr/lib/python3.6/site-packages/validations_libs/utils.py", line 48, in create_artifacts_dir
    LOG.exception("Error while creating Ansible artifacts log file."
AttributeError: 'NoneType' object has no attribute 'format'
'NoneType' object has no attribute 'format'

(undercloud) [stack@undercloud-0 ~]$ openstack tripleo validator run --static-inventory inventory.yaml --validation 512e
Error while creating Ansible artifacts log file.Please check the access rights for {}
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/validations_libs/utils.py", line 45, in create_artifacts_dir
    os.makedirs(log_dir)
  File "/usr/lib64/python3.6/os.py", line 210, in makedirs
    makedirs(head, mode, exist_ok)
  File "/usr/lib64/python3.6/os.py", line 210, in makedirs
    makedirs(head, mode, exist_ok)
  File "/usr/lib64/python3.6/os.py", line 220, in makedirs
    mkdir(name, mode)
PermissionError: [Errno 13] Permission denied: '/var/log/validations'
Exception occured while running the command
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/validations_libs/utils.py", line 45, in create_artifacts_dir
    os.makedirs(log_dir)
  File "/usr/lib64/python3.6/os.py", line 210, in makedirs
    makedirs(head, mode, exist_ok)
  File "/usr/lib64/python3.6/os.py", line 210, in makedirs
    makedirs(head, mode, exist_ok)
  File "/usr/lib64/python3.6/os.py", line 220, in makedirs
    mkdir(name, mode)
PermissionError: [Errno 13] Permission denied: '/var/log/validations'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/tripleoclient/command.py", line 32, in run
    super(Command, self).run(parsed_args)
  File "/usr/lib/python3.6/site-packages/osc_lib/command/command.py", line 41, in run
    return super(Command, self).run(parsed_args)
  File "/usr/lib/python3.6/site-packages/cliff/command.py", line 185, in run
    return_code = self.take_action(parsed_args) or 0
  File "/usr/lib/python3.6/site-packages/tripleoclient/v1/tripleo_validator.py", line 398, in take_action
    self._run_validator_run(parsed_args)
  File "/usr/lib/python3.6/site-packages/tripleoclient/v1/tripleo_validator.py", line 369, in _run_validator_run
    quiet=parsed_args.quiet)
  File "/usr/lib/python3.6/site-packages/validations_libs/validation_actions.py", line 100, in run_validations
    prefix=os.path.basename(playbook))
  File "/usr/lib/python3.6/site-packages/validations_libs/utils.py", line 48, in create_artifacts_dir
    LOG.exception("Error while creating Ansible artifacts log file."
AttributeError: 'NoneType' object has no attribute 'format'
'NoneType' object has no attribute 'format'

(undercloud) [stack@undercloud-0 ~]$ openstack tripleo validator show history
Exception occured while running the command
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/tripleoclient/command.py", line 32, in run
    super(Command, self).run(parsed_args)
  File "/usr/lib/python3.6/site-packages/osc_lib/command/command.py", line 41, in run
    return super(Command, self).run(parsed_args)
  File "/usr/lib/python3.6/site-packages/cliff/display.py", line 116, in run
    column_names, data = self.take_action(parsed_args)
  File "/usr/lib/python3.6/site-packages/tripleoclient/v1/tripleo_validator.py", line 460, in take_action
    return actions.show_history(parsed_args.validation)
  File "/usr/lib/python3.6/site-packages/validations_libs/validation_actions.py", line 164, in show_history
    if validation_id else vlogs.get_all_logfiles(extension))
  File "/usr/lib/python3.6/site-packages/validations_libs/validation_logs.py", line 209, in get_all_logfiles
    return [join(self.logs_path, f) for f in os.listdir(self.logs_path) if
FileNotFoundError: [Errno 2] No such file or directory: '/var/log/validations/'
[Errno 2] No such file or directory: '/var/log/validations/'

When checking the system, the /var/log/validations directory wasn't created yet.



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

(undercloud) [stack@undercloud-0 ~]$ sudo rpm -qa | egrep 'validations|ansible'
openstack-tripleo-validations-11.3.2-1.20200914170825.el8ost.noarch
ansible-tripleo-ipsec-9.2.1-0.20200311073016.0c8693c.el8ost.noarch
tripleo-ansible-0.5.1-1.20200914163925.el8ost.noarch
python3-heat-agent-ansible-1.10.1-0.20200311091123.96b819c.el8ost.noarch
validations-common-1.1.2-1.20200914180304.7f3c565.el8ost.noarch
ansible-config_template-1.1.2-1.20200818183400.ea07ed0.el8ost.noarch
ceph-ansible-4.0.31-1.el8cp.noarch
ansible-role-thales-hsm-0.2.1-0.20200311074756.2803c6c.el8ost.noarch
ansible-freeipa-0.1.8-3.el8.noarch
python3-ansible-runner-1.3.4-2.el8ar.noarch
ansible-role-chrony-1.0.2-0.20200311064420.03e7fbe.el8ost.noarch
ansible-pacemaker-1.0.4-1.20200907073409.accaf26.el8ost.noarch
ansible-role-tripleo-modify-image-1.2.1-0.20200804085623.1dffa21.el8ost.noarch
ansible-role-container-registry-1.1.1-0.20200311065947.7eca2dd.el8ost.noarch
python3-validations-libs-1.0.5-1.20200914174429.4a660ec.el8ost.noarch
ansible-role-openstack-operations-0.0.1-0.20200311080930.274739e.el8ost.noarch
ansible-role-atos-hsm-0.1.1-0.20200318203421.1269408.el8ost.noarch
ansible-tripleo-ipa-0.2.1-1.20200813093411.3bb3c53.el8ost.noarch
ansible-2.9.15-1.el8ae.noarch
ansible-role-redhat-subscription-1.1.1-0.20200716163409.6d26afa.el8ost.noarch


How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info: