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- """
- Ansible action plugin to help with setting facts conditionally based on other facts.
- """
- from ansible.plugins.action import ActionBase
- DOCUMENTATION = '''
- ---
- action_plugin: 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
- '''
- # pylint: disable=too-few-public-methods
- class ActionModule(ActionBase):
- """Action plugin to execute deprecated var checks."""
- def run(self, tmp=None, task_vars=None):
- result = super(ActionModule, self).run(tmp, task_vars)
- result['changed'] = False
- facts = self._task.args.get('facts', [])
- var_list = self._task.args.get('vars', [])
- local_facts = dict()
- for param in var_list:
- other_vars = var_list[param].replace(" ", "")
- for other_var in other_vars.split('|'):
- if other_var in facts:
- local_facts[param] = facts[other_var]
- break
- if local_facts:
- result['changed'] = True
- result['ansible_facts'] = local_facts
- return result
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