Remove `tower_legacy` module_utils that appears unused (#14421)

* Remove tower_legacy module that appears unused

* Update license details

4 files changed, 2 insertions, 125 deletions

diff --git a/awx_collection/galaxy.yml b/awx_collection/galaxy.yml
index b995bfe3e8..624752e568 100644
--- a/awx_collection/galaxy.yml
+++ b/awx_collection/galaxy.yml
@@ -18,7 +18,7 @@ documentation: https://github.com/ansible/awx/blob/devel/awx_collection/README.m
 homepage: https://www.ansible.com/
 issues: https://github.com/ansible/awx/issues?q=is%3Aissue+label%3Acomponent%3Aawx_collection
 license:
-  - GPL-3.0-only
+  - GPL-3.0-or-later
 name: awx
 namespace: awx
 readme: README.md
diff --git a/awx_collection/plugins/module_utils/tower_legacy.py b/awx_collection/plugins/module_utils/tower_legacy.py
deleted file mode 100644
index 84205c0f80..0000000000
--- a/awx_collection/plugins/module_utils/tower_legacy.py
+++ /dev/null
@@ -1,119 +0,0 @@
-# This code is part of Ansible, but is an independent component.
-# This particular file snippet, and this file snippet only, is BSD licensed.
-# Modules you write using this snippet, which is embedded dynamically by Ansible
-# still belong to the author of the module, and may assign their own license
-# to the complete work.
-#
-# Copyright (c), Wayne Witzel III <wayne@riotousliving.com>
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without modification,
-# are permitted provided that the following conditions are met:
-#
-#    * Redistributions of source code must retain the above copyright
-#      notice, this list of conditions and the following disclaimer.
-#    * Redistributions in binary form must reproduce the above copyright notice,
-#      this list of conditions and the following disclaimer in the documentation
-#      and/or other materials provided with the distribution.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-# IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
-# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-from __future__ import absolute_import, division, print_function
-
-__metaclass__ = type
-
-import os
-import traceback
-
-TOWER_CLI_IMP_ERR = None
-try:
-    import tower_cli.utils.exceptions as exc
-    from tower_cli.utils import parser
-    from tower_cli.api import client
-
-    HAS_TOWER_CLI = True
-except ImportError:
-    TOWER_CLI_IMP_ERR = traceback.format_exc()
-    HAS_TOWER_CLI = False
-
-from ansible.module_utils.basic import AnsibleModule, missing_required_lib
-
-
-def tower_auth_config(module):
-    """
-    `tower_auth_config` attempts to load the tower-cli.cfg file
-    specified from the `tower_config_file` parameter. If found,
-    if returns the contents of the file as a dictionary, else
-    it will attempt to fetch values from the module params and
-    only pass those values that have been set.
-    """
-    config_file = module.params.pop('tower_config_file', None)
-    if config_file:
-        if not os.path.exists(config_file):
-            module.fail_json(msg='file not found: %s' % config_file)
-        if os.path.isdir(config_file):
-            module.fail_json(msg='directory can not be used as config file: %s' % config_file)
-
-        with open(config_file, 'r') as f:
-            return parser.string_to_dict(f.read())
-    else:
-        auth_config = {}
-        host = module.params.pop('tower_host', None)
-        if host:
-            auth_config['host'] = host
-        username = module.params.pop('tower_username', None)
-        if username:
-            auth_config['username'] = username
-        password = module.params.pop('tower_password', None)
-        if password:
-            auth_config['password'] = password
-        module.params.pop('tower_verify_ssl', None)  # pop alias if used
-        verify_ssl = module.params.pop('validate_certs', None)
-        if verify_ssl is not None:
-            auth_config['verify_ssl'] = verify_ssl
-        return auth_config
-
-
-def tower_check_mode(module):
-    '''Execute check mode logic for Ansible Tower modules'''
-    if module.check_mode:
-        try:
-            result = client.get('/ping').json()
-            module.exit_json(changed=True, tower_version='{0}'.format(result['version']))
-        except (exc.ServerError, exc.ConnectionError, exc.BadRequest) as excinfo:
-            module.fail_json(changed=False, msg='Failed check mode: {0}'.format(excinfo))
-
-
-class TowerLegacyModule(AnsibleModule):
-    def __init__(self, argument_spec, **kwargs):
-        args = dict(
-            tower_host=dict(),
-            tower_username=dict(),
-            tower_password=dict(no_log=True),
-            validate_certs=dict(type='bool', aliases=['tower_verify_ssl']),
-            tower_config_file=dict(type='path'),
-        )
-        args.update(argument_spec)
-
-        kwargs.setdefault('mutually_exclusive', [])
-        kwargs['mutually_exclusive'].extend(
-            (
-                ('tower_config_file', 'tower_host'),
-                ('tower_config_file', 'tower_username'),
-                ('tower_config_file', 'tower_password'),
-                ('tower_config_file', 'validate_certs'),
-            )
-        )
-
-        super().__init__(argument_spec=args, **kwargs)
-
-        if not HAS_TOWER_CLI:
-            self.fail_json(msg=missing_required_lib('ansible-tower-cli'), exception=TOWER_CLI_IMP_ERR)
diff --git a/awx_collection/test/awx/conftest.py b/awx_collection/test/awx/conftest.py
index 3e6f571f46..5bf288ba69 100644
--- a/awx_collection/test/awx/conftest.py
+++ b/awx_collection/test/awx/conftest.py
@@ -181,10 +181,8 @@ def run_module(request, collection_import):
             resource_class = resource_module.ControllerAWXKitModule
         elif getattr(resource_module, 'ControllerAPIModule', None):
             resource_class = resource_module.ControllerAPIModule
-        elif getattr(resource_module, 'TowerLegacyModule', None):
-            resource_class = resource_module.TowerLegacyModule
         else:
-            raise RuntimeError("The module has neither a TowerLegacyModule, ControllerAWXKitModule or a ControllerAPIModule")
+            raise RuntimeError("The module has neither a ControllerAWXKitModule or a ControllerAPIModule")
 
         with mock.patch.object(resource_class, '_load_params', new=mock_load_params):
             # Call the test utility (like a mock server) instead of issuing HTTP requests
diff --git a/awx_collection/tools/roles/template_galaxy/templates/galaxy.yml.j2 b/awx_collection/tools/roles/template_galaxy/templates/galaxy.yml.j2
index bf306aecca..5290dc7217 100644
--- a/awx_collection/tools/roles/template_galaxy/templates/galaxy.yml.j2
+++ b/awx_collection/tools/roles/template_galaxy/templates/galaxy.yml.j2
@@ -19,8 +19,6 @@ homepage: https://www.ansible.com/
 issues: https://github.com/ansible/awx/issues?q=is%3Aissue+label%3Acomponent%3Aawx_collection
 license:
   - GPL-3.0-or-later
-  # plugins/module_utils/tower_legacy.py
-  - BSD-2-Clause
 name: {{ collection_package }}
 namespace: {{ collection_namespace }}
 readme: README.md