inventory plugins: make wrapping variables as unsafe smarter to avoid triggering an AWX bug

changelogs/fragments/835-unsafe.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - "inventory plugins - add unsafe wrapper to avoid marking strings that do not contain ``{`` or ``}`` as unsafe, to work around a bug in AWX (https://github.com/ansible-collections/community.docker/pull/835)."

plugins/inventory/docker_containers.py

@@ -167,7 +167,6 @@
 from ansible.errors import AnsibleError
 from ansible.module_utils.common.text.converters import to_native
 from ansible.plugins.inventory import BaseInventoryPlugin, Constructable
-from ansible.utils.unsafe_proxy import wrap_var as make_unsafe
 
 from ansible_collections.community.docker.plugins.module_utils.common_api import (
     RequestException,
@@ -180,6 +179,7 @@
 )
 
 from ansible_collections.community.docker.plugins.module_utils._api.errors import APIError, DockerException
+from ansible_collections.community.docker.plugins.plugin_utils.unsafe import make_unsafe
 from ansible_collections.community.library_inventory_filtering_v1.plugins.plugin_utils.inventory_filter import parse_filters, filter_host
 
 MIN_DOCKER_API = None

plugins/inventory/docker_machine.py

@@ -96,8 +96,8 @@
 from ansible.module_utils.common.process import get_bin_path
 from ansible.plugins.inventory import BaseInventoryPlugin, Constructable, Cacheable
 from ansible.utils.display import Display
-from ansible.utils.unsafe_proxy import wrap_var as make_unsafe
 
+from ansible_collections.community.docker.plugins.plugin_utils.unsafe import make_unsafe
 from ansible_collections.community.library_inventory_filtering_v1.plugins.plugin_utils.inventory_filter import parse_filters, filter_host
 
 import json

plugins/inventory/docker_swarm.py

@@ -159,8 +159,8 @@
 from ansible_collections.community.docker.plugins.module_utils.util import update_tls_hostname
 from ansible.plugins.inventory import BaseInventoryPlugin, Constructable
 from ansible.parsing.utils.addresses import parse_address
-from ansible.utils.unsafe_proxy import wrap_var as make_unsafe
 
+from ansible_collections.community.docker.plugins.plugin_utils.unsafe import make_unsafe
 from ansible_collections.community.library_inventory_filtering_v1.plugins.plugin_utils.inventory_filter import parse_filters, filter_host
 
 try:

plugins/plugin_utils/unsafe.py

@@ -0,0 +1,41 @@
+# Copyright (c) 2023, Felix Fontein <[email protected]>
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+import re
+
+from ansible.module_utils.six import binary_type, text_type
+from ansible.module_utils.common._collections_compat import Mapping, Set
+from ansible.module_utils.common.collections import is_sequence
+from ansible.utils.unsafe_proxy import (
+    AnsibleUnsafe,
+    wrap_var as _make_unsafe,
+)
+
+_RE_TEMPLATE_CHARS = re.compile(u'[{}]')
+_RE_TEMPLATE_CHARS_BYTES = re.compile(b'[{}]')
+
+
+def make_unsafe(value):
+    if value is None or isinstance(value, AnsibleUnsafe):
+        return value
+
+    if isinstance(value, Mapping):
+        return dict((make_unsafe(key), make_unsafe(val)) for key, val in value.items())
+    elif isinstance(value, Set):
+        return set(make_unsafe(elt) for elt in value)
+    elif is_sequence(value):
+        return type(value)(make_unsafe(elt) for elt in value)
+    elif isinstance(value, binary_type):
+        if _RE_TEMPLATE_CHARS_BYTES.search(value):
+            value = _make_unsafe(value)
+        return value
+    elif isinstance(value, text_type):
+        if _RE_TEMPLATE_CHARS.search(value):
+            value = _make_unsafe(value)
+        return value
+
+    return value