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-rw-r--r--roles/lib_openshift/library/conditional_set_fact.py74
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()