diff options
Diffstat (limited to 'lib/ansible/plugins/lookup/first_found.py')
| -rw-r--r-- | lib/ansible/plugins/lookup/first_found.py | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/lib/ansible/plugins/lookup/first_found.py b/lib/ansible/plugins/lookup/first_found.py index a882db01..68628801 100644 --- a/lib/ansible/plugins/lookup/first_found.py +++ b/lib/ansible/plugins/lookup/first_found.py @@ -15,9 +15,9 @@ DOCUMENTATION = """ to the containing locations of role / play / include and so on. - The list of files has precedence over the paths searched. For example, A task in a role has a 'file1' in the play's relative path, this will be used, 'file2' in role's relative path will not. - - Either a list of files C(_terms) or a key C(files) with a list of files is required for this plugin to operate. + - Either a list of files O(_terms) or a key O(files) with a list of files is required for this plugin to operate. notes: - - This lookup can be used in 'dual mode', either passing a list of file names or a dictionary that has C(files) and C(paths). + - This lookup can be used in 'dual mode', either passing a list of file names or a dictionary that has O(files) and O(paths). options: _terms: description: A list of file names. @@ -35,16 +35,19 @@ DOCUMENTATION = """ type: boolean default: False description: - - When C(True), return an empty list when no files are matched. + - When V(True), return an empty list when no files are matched. - This is useful when used with C(with_first_found), as an empty list return to C(with_) calls causes the calling task to be skipped. - - When used as a template via C(lookup) or C(query), setting I(skip=True) will *not* cause the task to skip. + - When used as a template via C(lookup) or C(query), setting O(skip=True) will *not* cause the task to skip. Tasks must handle the empty list return from the template. - - When C(False) and C(lookup) or C(query) specifies I(errors='ignore') all errors (including no file found, + - When V(False) and C(lookup) or C(query) specifies O(ignore:errors='ignore') all errors (including no file found, but potentially others) return an empty string or an empty list respectively. - - When C(True) and C(lookup) or C(query) specifies I(errors='ignore'), no file found will return an empty + - When V(True) and C(lookup) or C(query) specifies O(ignore:errors='ignore'), no file found will return an empty list and other potential errors return an empty string or empty list depending on the template call - (in other words return values of C(lookup) v C(query)). + (in other words return values of C(lookup) vs C(query)). + seealso: + - ref: playbook_task_paths + description: Search paths used for relative paths/files. """ EXAMPLES = """ @@ -180,8 +183,9 @@ class LookupModule(LookupBase): for term in terms: if isinstance(term, Mapping): self.set_options(var_options=variables, direct=term) + files = self.get_option('files') elif isinstance(term, string_types): - self.set_options(var_options=variables, direct=kwargs) + files = [term] elif isinstance(term, Sequence): partial, skip = self._process_terms(term, variables, kwargs) total_search.extend(partial) @@ -189,7 +193,6 @@ class LookupModule(LookupBase): else: raise AnsibleLookupError("Invalid term supplied, can handle string, mapping or list of strings but got: %s for %s" % (type(term), term)) - files = self.get_option('files') paths = self.get_option('paths') # NOTE: this is used as 'global' but can be set many times?!?!? @@ -206,8 +209,8 @@ class LookupModule(LookupBase): f = os.path.join(path, fn) total_search.append(f) elif filelist: - # NOTE: this seems wrong, should be 'extend' as any option/entry can clobber all - total_search = filelist + # NOTE: this is now 'extend', previouslly it would clobber all options, but we deemed that a bug + total_search.extend(filelist) else: total_search.append(term) @@ -215,6 +218,10 @@ class LookupModule(LookupBase): def run(self, terms, variables, **kwargs): + if not terms: + self.set_options(var_options=variables, direct=kwargs) + terms = self.get_option('files') + total_search, skip = self._process_terms(terms, variables, kwargs) # NOTE: during refactor noticed that the 'using a dict' as term @@ -230,6 +237,8 @@ class LookupModule(LookupBase): try: fn = self._templar.template(fn) except (AnsibleUndefinedVariable, UndefinedError): + # NOTE: backwards compat ff behaviour is to ignore errors when vars are undefined. + # moved here from task_executor. continue # get subdir if set by task executor, default to files otherwise |