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file: return 'useful' error message for recursion error (#57222)

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* file: return 'useful' error message for recursion error

Fixes #56397

* Fix line length

* Re-phrase the error message
This commit is contained in:
Martin Krizek 2019-06-05 15:30:10 +02:00 • committed by Brian Coca
commit 46f8bd47ce
2 changed files with 37 additions and 26 deletions
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2
changelogs/fragments/56397-file-return-more-useful-error-for-recursion.yaml Normal file
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@ -0,0 +1,2 @@
bugfixes:
- file - return more useful error message for recursion error (https://github.com/ansible/ansible/issues/56397)

61
lib/ansible/modules/files/file.py
View file

@ -318,35 +318,44 @@ def get_state(path):
# This should be moved into the common file utilities # This should be moved into the common file utilities
def recursive_set_attributes(b_path, follow, file_args, mtime, atime): def recursive_set_attributes(b_path, follow, file_args, mtime, atime):
changed = False changed = False
for b_root, b_dirs, b_files in os.walk(b_path):
for b_fsobj in b_dirs + b_files:
b_fsname = os.path.join(b_root, b_fsobj)
if not os.path.islink(b_fsname):
tmp_file_args = file_args.copy()
tmp_file_args['path'] = to_native(b_fsname, errors='surrogate_or_strict')
changed |= module.set_fs_attributes_if_different(tmp_file_args, changed, expand=False)
changed |= update_timestamp_for_file(tmp_file_args['path'], mtime, atime)
else: try:
# Change perms on the link for b_root, b_dirs, b_files in os.walk(b_path):
tmp_file_args = file_args.copy() for b_fsobj in b_dirs + b_files:
tmp_file_args['path'] = to_native(b_fsname, errors='surrogate_or_strict') b_fsname = os.path.join(b_root, b_fsobj)
changed |= module.set_fs_attributes_if_different(tmp_file_args, changed, expand=False) if not os.path.islink(b_fsname):
changed |= update_timestamp_for_file(tmp_file_args['path'], mtime, atime) tmp_file_args = file_args.copy()
tmp_file_args['path'] = to_native(b_fsname, errors='surrogate_or_strict')
changed |= module.set_fs_attributes_if_different(tmp_file_args, changed, expand=False)
changed |= update_timestamp_for_file(tmp_file_args['path'], mtime, atime)
if follow: else:
b_fsname = os.path.join(b_root, os.readlink(b_fsname)) # Change perms on the link
# The link target could be nonexistent tmp_file_args = file_args.copy()
if os.path.exists(b_fsname): tmp_file_args['path'] = to_native(b_fsname, errors='surrogate_or_strict')
if os.path.isdir(b_fsname): changed |= module.set_fs_attributes_if_different(tmp_file_args, changed, expand=False)
# Link is a directory so change perms on the directory's contents changed |= update_timestamp_for_file(tmp_file_args['path'], mtime, atime)
changed |= recursive_set_attributes(b_fsname, follow, file_args, mtime, atime)
if follow:
b_fsname = os.path.join(b_root, os.readlink(b_fsname))
# The link target could be nonexistent
if os.path.exists(b_fsname):
if os.path.isdir(b_fsname):
# Link is a directory so change perms on the directory's contents
changed |= recursive_set_attributes(b_fsname, follow, file_args, mtime, atime)
# Change perms on the file pointed to by the link
tmp_file_args = file_args.copy()
tmp_file_args['path'] = to_native(b_fsname, errors='surrogate_or_strict')
changed |= module.set_fs_attributes_if_different(tmp_file_args, changed, expand=False)
changed |= update_timestamp_for_file(tmp_file_args['path'], mtime, atime)
except RuntimeError as e:
# on Python3 "RecursionError" is raised which is derived from "RuntimeError"
# TODO once this function is moved into the common file utilities, this should probably raise more general exception
raise AnsibleModuleError(
results={'msg': "Could not recursively set attributes on %s. Original error was: '%s'" % (to_native(b_path), to_native(e))}
)
# Change perms on the file pointed to by the link
tmp_file_args = file_args.copy()
tmp_file_args['path'] = to_native(b_fsname, errors='surrogate_or_strict')
changed |= module.set_fs_attributes_if_different(tmp_file_args, changed, expand=False)
changed |= update_timestamp_for_file(tmp_file_args['path'], mtime, atime)
return changed return changed