Ansible crashes when running the openshift_facts playbook

Issue

• OpenShift fails to gather facts due to the content of /etc/ansible/facts.d/openshift.fact
• During the playbook execution, it crashes with following errors:

TASK [Gather Cluster facts and set is_containerized if needed] *******************************************************************************************************************************************************************************

[ SKIPED ]

fatal: [master.example.com]: FAILED! => {
    "changed": false, 
    "failed": true, 
    "module_stderr": "Shared connection to master.example.com closed.\r\n", 
    "module_stdout": "Traceback (most recent call last):\r\n  File \"/tmp/ansible_bCPphJ/ansible_module_openshift_facts.py\", line 2470, in <module>\r\n    main()\r\n  File \"/tmp/ansible_bCPphJ/ansible_module_openshift_facts.py\", line 2457, in main\r\n    protected_facts_to_overwrite)\r\n  File \"/tmp/ansible_bCPphJ/ansible_module_openshift_facts.py\", line 1830, in __init__\r\n    protected_facts_to_overwrite)\r\n  File \"/tmp/ansible_bCPphJ/ansible_module_openshift_facts.py\", line 1879, in generate_facts\r\n    facts = set_selectors(facts)\r\n  File \"/tmp/ansible_bCPphJ/ansible_module_openshift_facts.py\", line 496, in set_selectors\r\n    facts['logging']['selector'] = None\r\nTypeError: 'unicode' object does not support item assignment\r\n", 
    "msg": "MODULE FAILURE", 
    "rc": 1
}


A few  tasks later:

TASK [initialize_facts set_fact on openshift_docker_hosted_registry_network] *****************************************************************************************************************************************************************
task path: /usr/share/ansible/openshift-ansible/playbooks/common/openshift-cluster/initialize_facts.yml:167
Thursday 21 December 2017  15:55:51 +0100 (0:00:00.184)       0:01:28.727 ***** 
fatal: [node1.example.com]: FAILED! => {
    "failed": true, 
    "msg": "the field 'args' has an invalid value, which appears to include a variable that is undefined. The error was: 'dict object' has no attribute 'openshift'\n\nThe error appears to have been in '/usr/share/ansible/openshift-ansible
/playbooks/common/openshift-cluster/initialize_facts.yml': line 167, column 5, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n\n  - name: initialize_facts set_fact on opens
hift_docker_hosted_registry_network\n    ^ here\n"
}
[ FEW HOSTS SKIPPED ]
fatal: [node.example.com]: FAILED! => {
    "failed": true, 
    "msg": "the field 'args' has an invalid value, which appears to include a variable that is undefined. The error was: 'dict object' has no attribute 'openshift'\n\nThe error appears to have been in '/usr/share/ansible/openshift-ansible
/playbooks/common/openshift-cluster/initialize_facts.yml': line 167, column 5, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n\n  - name: initialize_facts set_fact on openshift_docker_hosted_registry_network\n    ^ here\n"
}