Deprecate ssl_version. (#853)

plugins/connection/docker_api.py

@@ -21,6 +21,7 @@ notes:
       with Python's C(SSLSocket)s. See U(https://github.com/ansible-collections/community.docker/issues/605) for more information.
 extends_documentation_fragment:
     - community.docker.docker.api_documentation
+    - community.docker.docker.ssl_version_deprecation
     - community.docker.docker.var_names
 options:
     remote_user:

plugins/doc_fragments/docker.py

@@ -392,3 +392,12 @@ notes:
   - This module does B(not) use the L(Docker SDK for Python,https://docker-py.readthedocs.io/en/stable/) to
     communicate with the Docker daemon. It directly calls the Docker CLI program.
 '''
+
+    # DEPRECATED: this will be removed from community.docker 4.0.0! Use with care!
+    SSL_VERSION_DEPRECATION = '''
+options:
+    ssl_version:
+        deprecated:
+            why: This was necessary a long time ago to handle problems with older TLS/SSL versions. It is no longer necessary nowadays.
+            version: 4.0.0
+'''

plugins/inventory/docker_containers.py

@@ -21,6 +21,7 @@ author:
 extends_documentation_fragment:
     - ansible.builtin.constructed
     - community.docker.docker.api_documentation
+    - community.docker.docker.ssl_version_deprecation
     - community.library_inventory_filtering_v1.inventory_filter
 description:
     - Reads inventories from the Docker API.

plugins/inventory/docker_swarm.py

@@ -78,6 +78,9 @@ DOCUMENTATION = '''
                 - Provide a valid SSL version number. Default value determined
                   by L(SSL Python module, https://docs.python.org/3/library/ssl.html).
             type: str
+            deprecated:
+                why: This was necessary a long time ago to handle problems with SSL versions. It is no longer necessary nowadays.
+                version: 4.0.0
         api_version:
             description:
                 - The version of the Docker API running on the Docker Host.

plugins/module_utils/util.py

@@ -29,7 +29,12 @@ DOCKER_COMMON_ARGS = dict(
     ca_path=dict(type='path', aliases=['ca_cert', 'tls_ca_cert', 'cacert_path']),
     client_cert=dict(type='path', aliases=['tls_client_cert', 'cert_path']),
     client_key=dict(type='path', aliases=['tls_client_key', 'key_path']),
-    ssl_version=dict(type='str', fallback=(env_fallback, ['DOCKER_SSL_VERSION'])),
+    ssl_version=dict(
+        type='str',
+        fallback=(env_fallback, ['DOCKER_SSL_VERSION']),
+        removed_in_version='4.0.0',
+        removed_from_collection='community.docker',
+    ),
     tls=dict(type='bool', default=DEFAULT_TLS, fallback=(env_fallback, ['DOCKER_TLS'])),
     use_ssh_client=dict(type='bool', default=False),
     validate_certs=dict(type='bool', default=DEFAULT_TLS_VERIFY, fallback=(env_fallback, ['DOCKER_TLS_VERIFY']), aliases=['tls_verify']),