1 files changed, 74 insertions, 0 deletions
diff --git a/roles/lib_openshift/library/conditional_set_fact.py b/roles/lib_openshift/library/conditional_set_fact.py
new file mode 100644
index 000000000..363399f33
--- /dev/null
+++ b/roles/lib_openshift/library/conditional_set_fact.py
@@ -0,0 +1,74 @@
+#!/usr/bin/python
+
+""" Ansible module to help with setting facts conditionally based on other facts """
+
+from ansible.module_utils.basic import AnsibleModule
+
+
+DOCUMENTATION = '''
+---
+module: conditional_set_fact
+
+short_description: This will set a fact if the value is defined
+
+description:
+    - "To avoid constant set_fact & when conditions for each var we can use this"
+
+author:
+    - Eric Wolinetz ewolinet@redhat.com
+'''
+
+
+EXAMPLES = '''
+- name: Conditionally set fact
+  conditional_set_fact:
+    fact1: not_defined_variable
+
+- name: Conditionally set fact
+  conditional_set_fact:
+    fact1: not_defined_variable
+    fact2: defined_variable
+
+- name: Conditionally set fact falling back on default
+  conditional_set_fact:
+    fact1: not_defined_var | defined_variable
+
+'''
+
+
+def run_module():
+    """ The body of the module, we check if the variable name specified as the value
+        for the key is defined. If it is then we use that value as for the original key """
+
+    module = AnsibleModule(
+        argument_spec=dict(
+            facts=dict(type='dict', required=True),
+            vars=dict(required=False, type='dict', default=[])
+        ),
+        supports_check_mode=True
+    )
+
+    local_facts = dict()
+    is_changed = False
+
+    for param in module.params['vars']:
+        other_vars = module.params['vars'][param].replace(" ", "")
+
+        for other_var in other_vars.split('|'):
+            if other_var in module.params['facts']:
+                local_facts[param] = module.params['facts'][other_var]
+                if not is_changed:
+                    is_changed = True
+                break
+
+    return module.exit_json(changed=is_changed,  # noqa: F405
+                            ansible_facts=local_facts)
+
+
+def main():
+    """ main """
+    run_module()
+
+
+if __name__ == '__main__':
+    main()