Custom ansible module in python - How to resolve relative role file paths? -


i'm writing new custom ansible module in python.

i want able resolve paths in code (in order read content) "file" , "copy" modules when receiving relative path in "src" argument (the path relative root-dir/roles/x/files), instance.

is possible so? , if so, how?

update

this seems impossible @ moment. i've added feature request here.

default_roles_path defined in ansible's constants.py file:

default_roles_path        = shell_expand_path(get_config(p, defaults, 'roles_path',       'ansible_roles_path',       '/etc/ansible/roles'))

by importing from ansible.constant import default_roles_path module follow path changes might occur in ansible project.

utils.py next file should become familiar when writing modules contains path-lookup functions (see path_dwim) , other ansible-specific interaction functions.

if want plugin work copy module, can see logic file pathing in runner's __init__.py:

if items_plugin not none , items_plugin in utils.plugins.lookup_loader:      basedir = self.basedir     if '_original_file' in inject:         basedir = os.path.dirname(inject['_original_file'])         filesdir = os.path.join(basedir, '..', 'files')         if os.path.exists(filesdir):             basedir = filesdir

where self.basedir defined utils.default(basedir, lambda: os.getcwd()), basedir optionally playbook directory.

by providing proper argument spec module, should able automagically take advantage of these underlying details.

at bottom of module, include basic module_utils hook methods expected exist ('fail_json', etc) , populate other defaults you:

from ansible.module_utils.basic import *

i believe these portions in place, you'll trigger file search path, please tell me if i'm incorrect.


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