From ced362a50d7825e51d7a160f6c14769a8f9b7338 Mon Sep 17 00:00:00 2001
From: Sloane Hertel <19572925+s-hertel@users.noreply.github.com>
Date: Mon, 15 Sep 2025 17:29:12 -0400
Subject: [PATCH] ansible-galaxy - remove deprecated v2 API (#85830)

* ansible-galaxy - remove deprecated v2 API

Update unit tests exercising the v2 Galaxy API

Remove v2 API integration tests

* Remove internal test configuration for servers which support API v2 and v3

* Update and simplify verify tests by using the configured server list
---
 changelogs/fragments/remove-v2-galaxy-api.yml |   2 +
 lib/ansible/cli/galaxy.py                     |  19 --
 lib/ansible/config/manager.py                 |   2 -
 lib/ansible/galaxy/api.py                     |  86 ++-----
 .../targets/ansible-config/tasks/main.yml     |   4 -
 .../tasks/install.yml                         |  77 ++----
 .../ansible-galaxy-collection/tasks/main.yml  |  17 +-
 .../tasks/verify.yml                          |  38 ++-
 .../templates/ansible.cfg.j2                  |   8 +-
 test/sanity/ignore.txt                        |   1 -
 test/units/galaxy/test_api.py                 | 231 ++++++------------
 test/units/galaxy/test_collection.py          |   4 +-
 12 files changed, 153 insertions(+), 336 deletions(-)
 create mode 100644 changelogs/fragments/remove-v2-galaxy-api.yml

diff --git a/changelogs/fragments/remove-v2-galaxy-api.yml b/changelogs/fragments/remove-v2-galaxy-api.yml
new file mode 100644
index 00000000000..d173aea7430
--- /dev/null
+++ b/changelogs/fragments/remove-v2-galaxy-api.yml
@@ -0,0 +1,2 @@
+removed_features:
+- ansible-galaxy - removed the v2 Galaxy server API. Galaxy servers hosting collections must support v3.
diff --git a/lib/ansible/cli/galaxy.py b/lib/ansible/cli/galaxy.py
index 6fc310ea6b1..5d85a57bbf1 100755
--- a/lib/ansible/cli/galaxy.py
+++ b/lib/ansible/cli/galaxy.py
@@ -654,23 +654,10 @@ class GalaxyCLI(CLI):
             client_secret = server_options.pop('client_secret')
             token_val = server_options['token'] or NoTokenSentinel
             username = server_options['username']
-            api_version = server_options.pop('api_version')
             if server_options['validate_certs'] is None:
                 server_options['validate_certs'] = context.CLIARGS['resolved_validate_certs']
             validate_certs = server_options['validate_certs']
 
-            # This allows a user to explicitly force use of an API version when
-            # multiple versions are supported. This was added for testing
-            # against pulp_ansible and I'm not sure it has a practical purpose
-            # outside of this use case. As such, this option is not documented
-            # as of now
-            if api_version:
-                display.warning(
-                    f'The specified "api_version" configuration for the galaxy server "{server_key}" is '
-                    'not a public configuration, and may be removed at any time without warning.'
-                )
-                server_options['available_api_versions'] = {'v%s' % api_version: '/v%s' % api_version}
-
             # default case if no auth info is provided.
             server_options['token'] = None
 
@@ -697,12 +684,6 @@ class GalaxyCLI(CLI):
             ))
 
         cmd_server = context.CLIARGS['api_server']
-        if context.CLIARGS['api_version']:
-            api_version = context.CLIARGS['api_version']
-            display.warning(
-                'The --api-version is not a public argument, and may be removed at any time without warning.'
-            )
-            galaxy_options['available_api_versions'] = {'v%s' % api_version: '/v%s' % api_version}
 
         cmd_token = GalaxyToken(token=context.CLIARGS['api_key'])
 
diff --git a/lib/ansible/config/manager.py b/lib/ansible/config/manager.py
index 33f398e199b..cf67f53a65a 100644
--- a/lib/ansible/config/manager.py
+++ b/lib/ansible/config/manager.py
@@ -36,7 +36,6 @@ GALAXY_SERVER_DEF = [
     ('password', False, 'str'),
     ('token', False, 'str'),
     ('auth_url', False, 'str'),
-    ('api_version', False, 'int'),
     ('validate_certs', False, 'bool'),
     ('client_id', False, 'str'),
     ('client_secret', False, 'str'),
@@ -45,7 +44,6 @@ GALAXY_SERVER_DEF = [
 
 # config definition fields
 GALAXY_SERVER_ADDITIONAL = {
-    'api_version': {'default': None, 'choices': [2, 3]},
     'validate_certs': {'cli': [{'name': 'validate_certs'}]},
     'timeout': {'cli': [{'name': 'timeout'}]},
     'token': {'default': None},
diff --git a/lib/ansible/galaxy/api.py b/lib/ansible/galaxy/api.py
index b34be950f8c..23c1e307f83 100644
--- a/lib/ansible/galaxy/api.py
+++ b/lib/ansible/galaxy/api.py
@@ -113,13 +113,7 @@ def g_connect(versions):
                 # url + '/api/' appended.
                 self.api_server = n_url
 
-                # Default to only supporting v1, if only v1 is returned we also assume that v2 is available even though
-                # it isn't returned in the available_versions dict.
-                available_versions = data.get('available_versions', {u'v1': u'v1/'})
-                if list(available_versions.keys()) == [u'v1']:
-                    available_versions[u'v2'] = u'v2/'
-
-                self._available_api_versions = available_versions
+                self._available_api_versions = available_versions = data['available_versions']
                 display.vvvv("Found API version '%s' with Galaxy server %s (%s)"
                              % (', '.join(available_versions.keys()), self.name, self.api_server))
 
@@ -131,15 +125,6 @@ def g_connect(versions):
                                    % (method.__name__, ", ".join(versions), ", ".join(available_versions),
                                       self.name, self.api_server))
 
-            # Warn only when we know we are talking to a collections API
-            if common_versions == {'v2'}:
-                display.deprecated(
-                    'The v2 Ansible Galaxy API is deprecated and no longer supported. '
-                    'Ensure that you have configured the ansible-galaxy CLI to utilize an '
-                    'updated and supported version of Ansible Galaxy.',
-                    version='2.20',
-                )
-
             return method(self, *args, **kwargs)
         return wrapped
     return decorator
@@ -213,11 +198,7 @@ class GalaxyError(AnsibleError):
             err_info = {}
 
         url_split = self.url.split('/')
-        if 'v2' in url_split:
-            galaxy_msg = err_info.get('message', http_error.reason)
-            code = err_info.get('code', 'Unknown')
-            full_error_msg = u"%s (HTTP Code: %d, Message: %s Code: %s)" % (message, self.http_code, galaxy_msg, code)
-        elif 'v3' in url_split:
+        if 'v3' in url_split:
             errors = err_info.get('errors', [])
             if not errors:
                 errors = [{}]  # Defaults are set below, we just need to make sure 1 error is present.
@@ -339,7 +320,7 @@ class GalaxyAPI:
         return self._priority > other_galaxy_api._priority
 
     @property  # type: ignore[misc]  # https://github.com/python/mypy/issues/1362
-    @g_connect(['v1', 'v2', 'v3'])
+    @g_connect(['v1', 'v3'])
     def available_api_versions(self):
         # Calling g_connect will populate self._available_api_versions
         return self._available_api_versions
@@ -644,7 +625,7 @@ class GalaxyAPI:
 
     # Collection APIs #
 
-    @g_connect(['v2', 'v3'])
+    @g_connect(['v3'])
     def publish_collection(self, collection_path):
         """
         Publishes a collection to a Galaxy server and returns the import task URI.
@@ -679,18 +660,14 @@ class GalaxyAPI:
             'Content-length': len(b_form_data),
         }
 
-        if 'v3' in self.available_api_versions:
-            n_url = _urljoin(self.api_server, self.available_api_versions['v3'], 'artifacts', 'collections') + '/'
-        else:
-            n_url = _urljoin(self.api_server, self.available_api_versions['v2'], 'collections') + '/'
-
+        n_url = _urljoin(self.api_server, self.available_api_versions['v3'], 'artifacts', 'collections') + '/'
         resp = self._call_galaxy(n_url, args=b_form_data, headers=headers, method='POST', auth_required=True,
                                  error_context_msg='Error when publishing collection to %s (%s)'
                                                    % (self.name, self.api_server))
 
         return urljoin(self.api_server, resp['task'])
 
-    @g_connect(['v2', 'v3'])
+    @g_connect(['v3'])
     def wait_import_task(self, task_url, timeout=0):
         """
         Waits until the import process on the Galaxy server has completed or the timeout is reached.
@@ -748,7 +725,7 @@ class GalaxyAPI:
                 data['error'].get('description', "Unknown error, see %s for more details" % task_url))
             raise AnsibleError("Galaxy import process failed: %s (Code: %s)" % (description, code))
 
-    @g_connect(['v2', 'v3'])
+    @g_connect(['v3'])
     def get_collection_metadata(self, namespace, name):
         """
         Gets the collection information from the Galaxy server about a specific Collection.
@@ -757,18 +734,11 @@ class GalaxyAPI:
         :param name: The collection name.
         return: CollectionMetadata about the collection.
         """
-        if 'v3' in self.available_api_versions:
-            api_path = self.available_api_versions['v3']
-            field_map = [
-                ('created_str', 'created_at'),
-                ('modified_str', 'updated_at'),
-            ]
-        else:
-            api_path = self.available_api_versions['v2']
-            field_map = [
-                ('created_str', 'created'),
-                ('modified_str', 'modified'),
-            ]
+        api_path = self.available_api_versions['v3']
+        field_map = [
+            ('created_str', 'created_at'),
+            ('modified_str', 'updated_at'),
+        ]
 
         info_url = _urljoin(self.api_server, api_path, 'collections', namespace, name, '/')
         error_context_msg = 'Error when getting the collection info for %s.%s from %s (%s)' \
@@ -781,7 +751,7 @@ class GalaxyAPI:
 
         return CollectionMetadata(namespace, name, **metadata)
 
-    @g_connect(['v2', 'v3'])
+    @g_connect(['v3'])
     def get_collection_version_metadata(self, namespace, name, version):
         """
         Gets the collection information from the Galaxy server about a specific Collection version.
@@ -791,7 +761,7 @@ class GalaxyAPI:
         :param version: Version of the collection to get the information for.
         :return: CollectionVersionMetadata about the collection at the version requested.
         """
-        api_path = self.available_api_versions.get('v3', self.available_api_versions.get('v2'))
+        api_path = self.available_api_versions['v3']
         url_paths = [self.api_server, api_path, 'collections', namespace, name, 'versions', version, '/']
 
         n_collection_url = _urljoin(*url_paths)
@@ -815,7 +785,7 @@ class GalaxyAPI:
                                          download_url, data['artifact']['sha256'],
                                          data['metadata']['dependencies'], data['href'], signatures)
 
-    @g_connect(['v2', 'v3'])
+    @g_connect(['v3'])
     def get_collection_versions(self, namespace, name):
         """
         Gets a list of available versions for a collection on a Galaxy server.
@@ -824,17 +794,10 @@ class GalaxyAPI:
         :param name: The collection name.
         :return: A list of versions that are available.
         """
-        relative_link = False
-        if 'v3' in self.available_api_versions:
-            api_path = self.available_api_versions['v3']
-            pagination_path = ['links', 'next']
-            relative_link = True  # AH pagination results are relative an not an absolute URI.
-        else:
-            api_path = self.available_api_versions['v2']
-            pagination_path = ['next']
+        api_path = self.available_api_versions['v3']
+        pagination_path = ['links', 'next']
 
-        page_size_name = 'limit' if 'v3' in self.available_api_versions else 'page_size'
-        versions_url = _urljoin(self.api_server, api_path, 'collections', namespace, name, 'versions', '/?%s=%d' % (page_size_name, COLLECTION_PAGE_SIZE))
+        versions_url = _urljoin(self.api_server, api_path, 'collections', namespace, name, 'versions', '/?limit=%d' % COLLECTION_PAGE_SIZE)
         versions_url_info = urlparse(versions_url)
         cache_key = versions_url_info.path
 
@@ -889,11 +852,10 @@ class GalaxyAPI:
 
             if not next_link:
                 break
-            elif relative_link:
-                next_link_info = urlparse(next_link)
-                if not next_link_info.scheme and not next_link_info.path.startswith('/'):
-                    raise AnsibleError(f'Invalid non absolute pagination link: {next_link}')
-                next_link = urljoin(self.api_server, next_link)
+            next_link_info = urlparse(next_link)
+            if not next_link_info.scheme and not next_link_info.path.startswith('/'):
+                raise AnsibleError(f'Invalid non absolute pagination link: {next_link}')
+            next_link = urljoin(self.api_server, next_link)
 
             data = self._call_galaxy(to_native(next_link, errors='surrogate_or_strict'),
                                      error_context_msg=error_context_msg, cache=True, cache_key=cache_key)
@@ -901,7 +863,7 @@ class GalaxyAPI:
 
         return versions
 
-    @g_connect(['v2', 'v3'])
+    @g_connect(['v3'])
     def get_collection_signatures(self, namespace, name, version):
         """
         Gets the collection signatures from the Galaxy server about a specific Collection version.
@@ -911,7 +873,7 @@ class GalaxyAPI:
         :param version: Version of the collection to get the information for.
         :return: A list of signature strings.
         """
-        api_path = self.available_api_versions.get('v3', self.available_api_versions.get('v2'))
+        api_path = self.available_api_versions['v3']
         url_paths = [self.api_server, api_path, 'collections', namespace, name, 'versions', version, '/']
 
         n_collection_url = _urljoin(*url_paths)
diff --git a/test/integration/targets/ansible-config/tasks/main.yml b/test/integration/targets/ansible-config/tasks/main.yml
index 3fbcb56342a..c3b46fa4daf 100644
--- a/test/integration/targets/ansible-config/tasks/main.yml
+++ b/test/integration/targets/ansible-config/tasks/main.yml
@@ -73,9 +73,6 @@
         password:
           value: my_pass
           origin: role_path ~ "/files/galaxy_server.ini"
-        api_version:
-          value: None
-          origin: default
       release_galaxy:
       test_galaxy:
       my_galaxy_ng:
@@ -120,7 +117,6 @@
           auth_url:
           username:
           password:
-          api_version:
           timeout:
       origin: '{{ role_path ~ "/files/galaxy_server.ini" }}'
       gs_keys: '{{ gs.keys()|list|sort }}'
diff --git a/test/integration/targets/ansible-galaxy-collection/tasks/install.yml b/test/integration/targets/ansible-galaxy-collection/tasks/install.yml
index e7af6bab733..2de0f11f447 100644
--- a/test/integration/targets/ansible-galaxy-collection/tasks/install.yml
+++ b/test/integration/targets/ansible-galaxy-collection/tasks/install.yml
@@ -337,27 +337,6 @@
   environment:
     ANSIBLE_GALAXY_SERVER_LIST: bogus
 
-# pulp_v2 doesn't require auth
-- when: v2|default(false)
-  block:
-    - name: install a collection with an empty server list - {{ test_id }}
-      command: ansible-galaxy collection install namespace5.name -s '{{ test_server }}' --api-version 2 {{ galaxy_verbosity }}
-      register: install_empty_server_list
-      environment:
-        ANSIBLE_COLLECTIONS_PATH: '{{ galaxy_dir }}/ansible_collections'
-        ANSIBLE_GALAXY_SERVER_LIST: ''
-
-    - name: get result of a collection with an empty server list - {{ test_id }}
-      slurp:
-        path: '{{ galaxy_dir }}/ansible_collections/namespace5/name/MANIFEST.json'
-      register: install_empty_server_list_actual
-
-    - name: assert install a collection with an empty server list - {{ test_id }}
-      assert:
-        that:
-        - '"Installing ''namespace5.name:1.0.0'' to" in install_empty_server_list.stdout'
-        - (install_empty_server_list_actual.content | b64decode | from_json).collection_info.version == '1.0.0'
-
 - name: create test requirements file with both roles and collections - {{ test_id }}
   copy:
     content: |
@@ -764,40 +743,38 @@
     - namespace8
     - namespace9
 
-- when: not v2|default(false)
-  block:
-    - name: install cache.cache at the current latest version
-      command: ansible-galaxy collection install cache.cache -s '{{ test_name }}' -vvv
-      environment:
-        ANSIBLE_COLLECTIONS_PATH: '{{ galaxy_dir }}/ansible_collections'
+- name: install cache.cache at the current latest version
+  command: ansible-galaxy collection install cache.cache -s '{{ test_name }}' -vvv
+  environment:
+    ANSIBLE_COLLECTIONS_PATH: '{{ galaxy_dir }}/ansible_collections'
 
-    - set_fact:
-        cache_version_build: '{{ (cache_version_build | int) + 1 }}'
+- set_fact:
+    cache_version_build: '{{ (cache_version_build | int) + 1 }}'
 
-    - name: publish update for cache.cache test
-      setup_collections:
-        server: galaxy_ng
-        collections:
-        - namespace: cache
-          name: cache
-          version: 1.0.{{ cache_version_build }}
+- name: publish update for cache.cache test
+  setup_collections:
+    server: galaxy_ng
+    collections:
+    - namespace: cache
+      name: cache
+      version: 1.0.{{ cache_version_build }}
 
-    - name: make sure the cache version list is ignored on a collection version change - {{ test_id }}
-      command: ansible-galaxy collection install cache.cache -s '{{ test_name }}' --force -vvv
-      register: install_cached_update
-      environment:
-        ANSIBLE_COLLECTIONS_PATH: '{{ galaxy_dir }}/ansible_collections'
+- name: make sure the cache version list is ignored on a collection version change - {{ test_id }}
+  command: ansible-galaxy collection install cache.cache -s '{{ test_name }}' --force -vvv
+  register: install_cached_update
+  environment:
+    ANSIBLE_COLLECTIONS_PATH: '{{ galaxy_dir }}/ansible_collections'
 
-    - name: get result of cache version list is ignored on a collection version change - {{ test_id }}
-      slurp:
-        path: '{{ galaxy_dir }}/ansible_collections/cache/cache/MANIFEST.json'
-      register: install_cached_update_actual
+- name: get result of cache version list is ignored on a collection version change - {{ test_id }}
+  slurp:
+    path: '{{ galaxy_dir }}/ansible_collections/cache/cache/MANIFEST.json'
+  register: install_cached_update_actual
 
-    - name: assert cache version list is ignored on a collection version change - {{ test_id }}
-      assert:
-        that:
-        - '"Installing ''cache.cache:1.0." ~ cache_version_build ~ "'' to" in install_cached_update.stdout'
-        - (install_cached_update_actual.content | b64decode | from_json).collection_info.version == '1.0.' ~ cache_version_build
+- name: assert cache version list is ignored on a collection version change - {{ test_id }}
+  assert:
+    that:
+    - '"Installing ''cache.cache:1.0." ~ cache_version_build ~ "'' to" in install_cached_update.stdout'
+    - (install_cached_update_actual.content | b64decode | from_json).collection_info.version == '1.0.' ~ cache_version_build
 
 - name: install collection with symlink - {{ test_id }}
   command: ansible-galaxy collection install symlink.symlink -s '{{ test_name }}' {{ galaxy_verbosity }}
diff --git a/test/integration/targets/ansible-galaxy-collection/tasks/main.yml b/test/integration/targets/ansible-galaxy-collection/tasks/main.yml
index e17d6aa1224..7bcc38286d8 100644
--- a/test/integration/targets/ansible-galaxy-collection/tasks/main.yml
+++ b/test/integration/targets/ansible-galaxy-collection/tasks/main.yml
@@ -74,13 +74,8 @@
     test_server: '{{ item.server }}'
     test_api_server: '{{ item.api_server|default(item.server) }}'
   loop:
-  - name: pulp_v2
-    api_server: '{{ galaxy_ng_server }}'
-    server: '{{ pulp_server }}primary/api/'
-    v2: true
   - name: galaxy_ng
     server: '{{ galaxy_ng_server }}'
-    v3: true
 
 - include_tasks: setup_gpg.yml
 
@@ -109,7 +104,6 @@
     test_server: '{{ item.server }}'
     test_api_server: '{{ item.api_server|default(item.server) }}'
     requires_auth: '{{ item.requires_auth|default(false) }}'
-    v2: '{{ item.v2|default(false) }}'
   args:
     apply:
       environment:
@@ -117,12 +111,7 @@
   loop:
   - name: galaxy_ng
     server: '{{ galaxy_ng_server }}'
-    v3: true
     requires_auth: true
-  - name: pulp_v2
-    server: '{{ pulp_server }}primary/api/'
-    api_server: '{{ galaxy_ng_server }}'
-    v2: true
 
 - name: test installing and downloading collections with the range of supported resolvelib versions
   include_tasks: supported_resolvelib.yml
@@ -184,7 +173,7 @@
     - >-
       "'secondary.name:1.0.0' obtained from server secondary"
       in install_cross_dep.stdout
-    # pulp_v2 is highest in the list so it will find it there first
+    # galaxy_ng is highest in the list so it will find it there first
     - >-
       "'parent_dep.parent_collection:1.0.0' obtained from server galaxy_ng"
       in install_cross_dep.stdout
@@ -214,9 +203,9 @@
         ANSIBLE_COLLECTIONS_PATH: '{{ galaxy_dir }}'
         ANSIBLE_CONFIG: '{{ galaxy_dir }}/ansible.cfg'
   vars:
-    test_api_fallback: 'galaxy_ng'
+    test_api_fallback: 'secondary'
     test_api_fallback_versions: 'v3, pulp-v3, v1'
-    test_name: 'pulp_v2'
+    test_name: 'galaxy_ng'
 
 - name: run ansible-galaxy collection list tests
   include_tasks: list.yml
diff --git a/test/integration/targets/ansible-galaxy-collection/tasks/verify.yml b/test/integration/targets/ansible-galaxy-collection/tasks/verify.yml
index 9c482037c2c..96c2245696e 100644
--- a/test/integration/targets/ansible-galaxy-collection/tasks/verify.yml
+++ b/test/integration/targets/ansible-galaxy-collection/tasks/verify.yml
@@ -13,8 +13,8 @@
   args:
     chdir: '{{ galaxy_dir }}'
 
-- name: publish collection - {{ test_name }}
-  command: ansible-galaxy collection publish ansible_test-verify-1.0.0.tar.gz -s {{ test_name }} {{ galaxy_verbosity }}
+- name: publish to fallback server {{ test_api_fallback }}
+  command: ansible-galaxy collection publish ansible_test-verify-1.0.0.tar.gz -s {{ test_api_fallback }} {{ galaxy_verbosity }}
   args:
     chdir: '{{ galaxy_dir }}'
 
@@ -28,25 +28,23 @@
       - verify.rc != 0
       - verify.stderr is contains "'file' type is not supported. The format namespace.name is expected."
 
-- name: install the collection from the server
-  command: ansible-galaxy collection install ansible_test.verify:1.0.0 -s {{ test_api_fallback }} {{ galaxy_verbosity }}
+- name: install the collection from the secondary server
+  command: ansible-galaxy collection install ansible_test.verify:1.0.0 {{ galaxy_verbosity }}
 
 # This command is hardcoded with -vvvv purposefully to evaluate extra verbosity messages
 - name: verify the collection against the first valid server
   command: ansible-galaxy collection verify ansible_test.verify:1.0.0 -vvvv {{ galaxy_verbosity }}
   register: verify
-  vars:
-    # This sets a specific precedence that the tests are expecting
-    ANSIBLE_GALAXY_SERVER_LIST: offline,secondary,pulp_v2,galaxy_ng
 
 - assert:
     that:
       - verify is success
-      - >-
-        "Found API version '" + test_api_fallback_versions + "' with Galaxy server " + test_api_fallback in verify.stdout
+      - verify.stdout is search(msg)
+  vars:
+    msg: "Found API version '{{ test_api_fallback_versions }}' with Galaxy server {{ test_api_fallback }}"
 
 - name: verify the installed collection against the server
-  command: ansible-galaxy collection verify ansible_test.verify:1.0.0 -s {{ test_name }} {{ galaxy_verbosity }}
+  command: ansible-galaxy collection verify ansible_test.verify:1.0.0 {{ galaxy_verbosity }}
   register: verify
 
 - assert:
@@ -55,10 +53,10 @@
       - "'Collection ansible_test.verify contains modified content' not in verify.stdout"
 
 - name: verify the installed collection against the server, with unspecified version in CLI
-  command: ansible-galaxy collection verify ansible_test.verify -s {{ test_name }} {{ galaxy_verbosity }}
+  command: ansible-galaxy collection verify ansible_test.verify {{ galaxy_verbosity }}
 
 - name: verify a collection that doesn't appear to be installed
-  command: ansible-galaxy collection verify ansible_test.verify:1.0.0 -s {{ test_name }} {{ galaxy_verbosity }}
+  command: ansible-galaxy collection verify ansible_test.verify:1.0.0 {{ galaxy_verbosity }}
   environment:
     ANSIBLE_COLLECTIONS_PATH: '{{ galaxy_dir }}/nonexistent_dir'
   register: verify
@@ -90,13 +88,13 @@
   args:
     chdir: '{{ galaxy_dir }}'
 
-- name: publish the new version
+- name: publish to primary server {{ test_name }}
   command: ansible-galaxy collection publish ansible_test-verify-2.0.0.tar.gz -s {{ test_name }} {{ galaxy_verbosity }}
   args:
     chdir: '{{ galaxy_dir }}'
 
 - name: verify a version of a collection that isn't installed
-  command: ansible-galaxy collection verify ansible_test.verify:2.0.0 -s {{ test_name }} {{ galaxy_verbosity }}
+  command: ansible-galaxy collection verify ansible_test.verify:2.0.0 {{ galaxy_verbosity }}
   register: verify
   failed_when: verify.rc == 0
 
@@ -106,10 +104,10 @@
       - '"ansible_test.verify has the version ''1.0.0'' but is being compared to ''2.0.0''" in verify.stdout'
 
 - name: install the new version from the server
-  command: ansible-galaxy collection install ansible_test.verify:2.0.0 --force -s {{ test_name }} {{ galaxy_verbosity }}
+  command: ansible-galaxy collection install ansible_test.verify:2.0.0 --force {{ galaxy_verbosity }}
 
 - name: verify the installed collection against the server
-  command: ansible-galaxy collection verify ansible_test.verify:2.0.0 -s {{ test_name }} {{ galaxy_verbosity }}
+  command: ansible-galaxy collection verify ansible_test.verify:2.0.0 {{ galaxy_verbosity }}
   register: verify
 
 - assert:
@@ -153,7 +151,7 @@
       - "updated_file.stat.checksum != file.stat.checksum"
 
 - name: test verifying checksums of the modified collection
-  command: ansible-galaxy collection verify ansible_test.verify:2.0.0 -s {{ test_name }} {{ galaxy_verbosity }}
+  command: ansible-galaxy collection verify ansible_test.verify:2.0.0 {{ galaxy_verbosity }}
   register: verify
   failed_when: verify.rc == 0
 
@@ -171,7 +169,7 @@
   diff: true
 
 - name: ensure a modified FILES.json is validated
-  command: ansible-galaxy collection verify ansible_test.verify:2.0.0 -s {{ test_name }} {{ galaxy_verbosity }}
+  command: ansible-galaxy collection verify ansible_test.verify:2.0.0 {{ galaxy_verbosity }}
   register: verify
   failed_when: verify.rc == 0
 
@@ -193,7 +191,7 @@
     line: ' "chksum_sha256": "{{ manifest_info.stat.checksum }}",'
 
 - name: ensure the MANIFEST.json is validated against the uncorrupted file from the server
-  command: ansible-galaxy collection verify ansible_test.verify:2.0.0 -s {{ test_name }} {{ galaxy_verbosity }}
+  command: ansible-galaxy collection verify ansible_test.verify:2.0.0 {{ galaxy_verbosity }}
   register: verify
   failed_when: verify.rc == 0
 
@@ -221,7 +219,7 @@
     dest: '{{ galaxy_dir }}/ansible_collections/ansible_test/verify/galaxy.yml'
 
 - name: test we only verify collections containing a MANIFEST.json with the version on the server
-  command: ansible-galaxy collection verify ansible_test.verify:2.0.0 -s {{ test_name }} {{ galaxy_verbosity }}
+  command: ansible-galaxy collection verify ansible_test.verify:2.0.0 {{ galaxy_verbosity }}
   register: verify
   failed_when: verify.rc == 0
 
diff --git a/test/integration/targets/ansible-galaxy-collection/templates/ansible.cfg.j2 b/test/integration/targets/ansible-galaxy-collection/templates/ansible.cfg.j2
index a242979d227..97dbbb34781 100644
--- a/test/integration/targets/ansible-galaxy-collection/templates/ansible.cfg.j2
+++ b/test/integration/targets/ansible-galaxy-collection/templates/ansible.cfg.j2
@@ -1,17 +1,11 @@
 [galaxy]
 # Ensures subsequent unstable reruns don't use the cached information causing another failure
 cache_dir={{ remote_tmp_dir }}/galaxy_cache
-server_list=offline,galaxy_ng,secondary,pulp_v2
+server_list=offline,galaxy_ng,secondary
 
 [galaxy_server.offline]
 url={{ offline_server }}
 
-[galaxy_server.pulp_v2]
-url={{ pulp_server }}primary/api/
-username={{ pulp_user }}
-password={{ pulp_password }}
-api_version=2
-
 [galaxy_server.galaxy_ng]
 url={{ galaxy_ng_server }}content/primary/
 token={{ galaxy_ng_token.json.token }}
diff --git a/test/sanity/ignore.txt b/test/sanity/ignore.txt
index 37902613d09..2cff1a050b4 100644
--- a/test/sanity/ignore.txt
+++ b/test/sanity/ignore.txt
@@ -229,4 +229,3 @@ test/integration/targets/ansible-test-sanity-pylint/deprecated_thing.py pylint:a
 test/integration/targets/ansible-test-sanity-pylint/deprecated_thing.py pylint:ansible-deprecated-date-not-permitted  # required to verify plugin against core
 test/integration/targets/ansible-test-sanity-pylint/deprecated_thing.py pylint:ansible-deprecated-unnecessary-collection-name  # required to verify plugin against core
 test/integration/targets/ansible-test-sanity-pylint/deprecated_thing.py pylint:ansible-deprecated-collection-name-not-permitted  # required to verify plugin against core
-lib/ansible/galaxy/api.py pylint:ansible-deprecated-version  # TODO: 2.20
diff --git a/test/units/galaxy/test_api.py b/test/units/galaxy/test_api.py
index 58985f1bb0e..58bda34f713 100644
--- a/test/units/galaxy/test_api.py
+++ b/test/units/galaxy/test_api.py
@@ -126,37 +126,32 @@ def get_v3_collection_versions(namespace='namespace', name='collection'):
 
 
 def get_collection_versions(namespace='namespace', name='collection'):
-    base_url = 'https://galaxy.server.com/api/v2/collections/{0}/{1}/'.format(namespace, name)
-    versions_url = base_url + 'versions/'
+    base_url = f'/api/v3/plugin/ansible/content/published/collections/index/{namespace}/{name}/'
+    versions_url = f'{base_url}versions/'
 
     # Response for collection info
     responses = [
         {
-            "id": 1000,
             "href": base_url,
             "name": name,
-            "namespace": {
-                "id": 30000,
-                "href": "https://galaxy.ansible.com/api/v1/namespaces/30000/",
-                "name": namespace,
-            },
-            "versions_url": versions_url,
-            "latest_version": {
+            "namespace": namespace,
+            "highest_version": {
+                "href": f"{versions_url}1.0.5",
                 "version": "1.0.5",
-                "href": versions_url + "1.0.5/"
             },
+            "versions_url": versions_url,
             "deprecated": False,
-            "created": "2021-02-09T16:55:42.749915-05:00",
-            "modified": "2021-02-09T16:55:42.749915-05:00",
+            "created_at": "2021-02-09T16:55:42.749915-05:00",
+            "updated_at": "2021-02-09T16:55:42.749915-05:00",
         }
     ]
 
     # Paginated responses for versions
     page_versions = (('1.0.0', '1.0.1',), ('1.0.2', '1.0.3',), ('1.0.4', '1.0.5'),)
-    last_page = None
+    prev_page = None
     for page in range(1, len(page_versions) + 1):
         if page < len(page_versions):
-            next_page = versions_url + '?page={0}'.format(page + 1)
+            next_page = f'{versions_url}?limit=2&offset={page + 1}'
         else:
             next_page = None
 
@@ -168,13 +163,19 @@ def get_collection_versions(namespace='namespace', name='collection'):
 
         responses.append(
             {
-                'count': 6,
-                'next': next_page,
-                'previous': last_page,
-                'results': version_results,
+                'meta': {
+                    'count': 6,
+                },
+                'links': {
+                    'first': f'{versions_url}?limit=2&offset=0',
+                    'next': next_page,
+                    'previous': prev_page,
+                    'last': f'{versions_url}?limit=2&offset={len(page_versions)}',
+                },
+                'data': version_results,
             }
         )
-        last_page = page
+        prev_page = page
 
     return responses
 
@@ -265,9 +266,8 @@ def test_initialise_galaxy(monkeypatch):
     api = GalaxyAPI(None, "test", "https://galaxy.ansible.com/api/")
     actual = api.authenticate("github_token")
 
-    assert len(api.available_api_versions) == 2
+    assert len(api.available_api_versions) == 1
     assert api.available_api_versions['v1'] == u'v1/'
-    assert api.available_api_versions['v2'] == u'v2/'
     assert actual == {u'token': u'my token'}
     assert mock_open.call_count == 2
     assert mock_open.mock_calls[0][1][0] == 'https://galaxy.ansible.com/api/'
@@ -288,9 +288,8 @@ def test_initialise_galaxy_with_auth(monkeypatch):
     api = GalaxyAPI(None, "test", "https://galaxy.ansible.com/api/", token=GalaxyToken(token='my_token'))
     actual = api.authenticate("github_token")
 
-    assert len(api.available_api_versions) == 2
+    assert len(api.available_api_versions) == 1
     assert api.available_api_versions['v1'] == u'v1/'
-    assert api.available_api_versions['v2'] == u'v2/'
     assert actual == {u'token': u'my token'}
     assert mock_open.call_count == 2
     assert mock_open.mock_calls[0][1][0] == 'https://galaxy.ansible.com/api/'
@@ -303,7 +302,7 @@ def test_initialise_galaxy_with_auth(monkeypatch):
 def test_initialise_automation_hub(monkeypatch):
     mock_open = MagicMock()
     mock_open.side_effect = [
-        StringIO(u'{"available_versions":{"v2": "v2/", "v3":"v3/"}}'),
+        StringIO(u'{"available_versions":{"v3":"v3/"}}'),
     ]
     monkeypatch.setattr(galaxy_api, 'open_url', mock_open)
     token = KeycloakToken(auth_url='https://api.test/')
@@ -313,8 +312,7 @@ def test_initialise_automation_hub(monkeypatch):
 
     api = GalaxyAPI(None, "test", "https://galaxy.ansible.com/api/", token=token)
 
-    assert len(api.available_api_versions) == 2
-    assert api.available_api_versions['v2'] == u'v2/'
+    assert len(api.available_api_versions) == 1
     assert api.available_api_versions['v3'] == u'v3/'
 
     assert mock_open.mock_calls[0][1][0] == 'https://galaxy.ansible.com/api/'
@@ -341,7 +339,7 @@ def test_initialise_unknown(monkeypatch):
 def test_get_available_api_versions(monkeypatch):
     mock_open = MagicMock()
     mock_open.side_effect = [
-        StringIO(u'{"available_versions":{"v1":"v1/","v2":"v2/"}}'),
+        StringIO(u'{"available_versions":{"v1":"v1/","v3":"v3/"}}'),
     ]
     monkeypatch.setattr(galaxy_api, 'open_url', mock_open)
 
@@ -349,7 +347,7 @@ def test_get_available_api_versions(monkeypatch):
     actual = api.available_api_versions
     assert len(actual) == 2
     assert actual['v1'] == u'v1/'
-    assert actual['v2'] == u'v2/'
+    assert actual['v3'] == u'v3/'
 
     assert mock_open.call_count == 1
     assert mock_open.mock_calls[0][1][0] == 'https://galaxy.ansible.com/api/'
@@ -360,7 +358,7 @@ def test_publish_collection_missing_file():
     fake_path = u'/fake/ÅÑŚÌβŁÈ/path'
     expected = to_native("The collection path specified '%s' does not exist." % fake_path)
 
-    api = get_test_galaxy_api("https://galaxy.ansible.com/api/", "v2")
+    api = get_test_galaxy_api("https://galaxy.ansible.com/api/", "v3")
     with pytest.raises(AnsibleError, match=expected):
         api.publish_collection(fake_path)
 
@@ -369,7 +367,7 @@ def test_publish_collection_not_a_tarball():
     expected = "The collection path specified '{0}' is not a tarball, use 'ansible-galaxy collection build' to " \
                "create a proper release artifact."
 
-    api = get_test_galaxy_api("https://galaxy.ansible.com/api/", "v2")
+    api = get_test_galaxy_api("https://galaxy.ansible.com/api/", "v3")
     with tempfile.NamedTemporaryFile(prefix=u'ÅÑŚÌβŁÈ') as temp_file:
         temp_file.write(b"\x00")
         temp_file.flush()
@@ -378,7 +376,7 @@ def test_publish_collection_not_a_tarball():
 
 
 def test_publish_collection_unsupported_version():
-    expected = "Galaxy action publish_collection requires API versions 'v2, v3' but only 'v1' are available on test " \
+    expected = "Galaxy action publish_collection requires API versions 'v3' but only 'v1' are available on test " \
                "https://galaxy.ansible.com/api/"
 
     api = get_test_galaxy_api("https://galaxy.ansible.com/api/", "v1")
@@ -387,7 +385,6 @@ def test_publish_collection_unsupported_version():
 
 
 @pytest.mark.parametrize('api_version, collection_url', [
-    ('v2', 'collections'),
     ('v3', 'artifacts/collections'),
 ])
 def test_publish_collection(api_version, collection_url, collection_artifact, monkeypatch):
@@ -410,12 +407,6 @@ def test_publish_collection(api_version, collection_url, collection_artifact, mo
 
 
 @pytest.mark.parametrize('api_version, collection_url, response, expected', [
-    ('v2', 'collections', {},
-     'Error when publishing collection to test (%s) (HTTP Code: 500, Message: msg Code: Unknown)'),
-    ('v2', 'collections', {
-        'message': u'Galaxy error messäge',
-        'code': 'GWE002',
-    }, u'Error when publishing collection to test (%s) (HTTP Code: 500, Message: Galaxy error messäge Code: GWE002)'),
     ('v3', 'artifact/collections', {},
      'Error when publishing collection to test (%s) (HTTP Code: 500, Message: msg Code: Unknown)'),
     ('v3', 'artifact/collections', {
@@ -452,8 +443,6 @@ def test_publish_failure(api_version, collection_url, response, expected, collec
 
 
 @pytest.mark.parametrize('server_url, api_version, token_type, token_ins, full_import_uri', [
-    ('https://galaxy.server.com/api', 'v2', 'Token', GalaxyToken('my token'),
-     'https://galaxy.server.com/api/v2/collection-imports/1234/'),
     ('https://galaxy.server.com/api/automation-hub/', 'v3', 'Bearer', KeycloakToken(auth_url='https://api.test/'),
      'https://galaxy.server.com/api/automation-hub/v3/imports/collections/1234/'),
 ])
@@ -482,8 +471,6 @@ def test_wait_import_task(server_url, api_version, token_type, token_ins, full_i
 
 
 @pytest.mark.parametrize('server_url, api_version, token_type, token_ins, full_import_uri', [
-    ('https://galaxy.server.com/api/', 'v2', 'Token', GalaxyToken('my token'),
-     'https://galaxy.server.com/api/v2/collection-imports/1234/'),
     ('https://galaxy.server.com/api/automation-hub', 'v3', 'Bearer', KeycloakToken(auth_url='https://api.test/'),
      'https://galaxy.server.com/api/automation-hub/v3/imports/collections/1234/'),
 ])
@@ -526,8 +513,6 @@ def test_wait_import_task_multiple_requests(server_url, api_version, token_type,
 
 
 @pytest.mark.parametrize('server_url, api_version, token_type, token_ins, full_import_uri,', [
-    ('https://galaxy.server.com/api/', 'v2', 'Token', GalaxyToken('my token'),
-     'https://galaxy.server.com/api/v2/collection-imports/1234/'),
     ('https://galaxy.server.com/api/automation-hub/', 'v3', 'Bearer', KeycloakToken(auth_url='https://api.test/'),
      'https://galaxy.server.com/api/automation-hub/v3/imports/collections/1234/'),
 ])
@@ -600,8 +585,6 @@ def test_wait_import_task_with_failure(server_url, api_version, token_type, toke
 
 
 @pytest.mark.parametrize('server_url, api_version, token_type, token_ins, full_import_uri', [
-    ('https://galaxy.server.com/api/', 'v2', 'Token', GalaxyToken('my_token'),
-     'https://galaxy.server.com/api/v2/collection-imports/1234/'),
     ('https://galaxy.server.com/api/automation-hub/', 'v3', 'Bearer', KeycloakToken(auth_url='https://api.test/'),
      'https://galaxy.server.com/api/automation-hub/v3/imports/collections/1234/'),
 ])
@@ -670,8 +653,6 @@ def test_wait_import_task_with_failure_no_error(server_url, api_version, token_t
 
 
 @pytest.mark.parametrize('server_url, api_version, token_type, token_ins, full_import_uri', [
-    ('https://galaxy.server.com/api', 'v2', 'Token', GalaxyToken('my token'),
-     'https://galaxy.server.com/api/v2/collection-imports/1234/'),
     ('https://galaxy.server.com/api/automation-hub', 'v3', 'Bearer', KeycloakToken(auth_url='https://api.test/'),
      'https://galaxy.server.com/api/automation-hub/v3/imports/collections/1234/'),
 ])
@@ -725,7 +706,6 @@ def test_wait_import_task_timeout(server_url, api_version, token_type, token_ins
 
 
 @pytest.mark.parametrize('api_version, token_type, version, token_ins', [
-    ('v2', None, 'v2.1.13', None),
     ('v3', 'Bearer', 'v1.0.0', KeycloakToken(auth_url='https://api.test/api/automation-hub/')),
 ])
 def test_get_collection_version_metadata_no_version(api_version, token_type, version, token_ins, monkeypatch):
@@ -777,11 +757,11 @@ def test_get_collection_version_metadata_no_version(api_version, token_type, ver
         assert mock_open.mock_calls[0][2]['headers']['Authorization'] == '%s my token' % token_type
 
 
-@pytest.mark.parametrize('api_version, token_type, token_ins, version', [
-    ('v2', None, None, '2.1.13'),
-    ('v3', 'Bearer', KeycloakToken(auth_url='https://api.test/api/automation-hub/'), '1.0.0'),
+@pytest.mark.parametrize('api_version, token_type, token_ins', [
+    ('v3', None, None),
+    ('v3', 'Bearer', KeycloakToken(auth_url='https://api.test/api/automation-hub/')),
 ])
-def test_get_collection_signatures_backwards_compat(api_version, token_type, token_ins, version, monkeypatch):
+def test_get_collection_signatures_backwards_compat(api_version, token_type, token_ins, monkeypatch):
     api = get_test_galaxy_api('https://galaxy.server.com/api/', api_version, token_ins=token_ins)
 
     if token_ins:
@@ -795,23 +775,23 @@ def test_get_collection_signatures_backwards_compat(api_version, token_type, tok
     ]
     monkeypatch.setattr(galaxy_api, 'open_url', mock_open)
 
-    actual = api.get_collection_signatures('namespace', 'collection', version)
+    actual = api.get_collection_signatures('namespace', 'collection', '1.0.0')
     assert actual == []
 
     assert mock_open.call_count == 1
-    assert mock_open.mock_calls[0][1][0] == '%s%s/collections/namespace/collection/versions/%s/' \
-        % (api.api_server, api_version, version)
+    assert mock_open.mock_calls[0][1][0] == '%s%s/collections/namespace/collection/versions/1.0.0/' \
+        % (api.api_server, api_version)
 
-    # v2 calls dont need auth, so no authz header or token_type
+    # v3 calls dont need auth, so no authz header or token_type
     if token_type:
         assert mock_open.mock_calls[0][2]['headers']['Authorization'] == '%s my token' % token_type
 
 
-@pytest.mark.parametrize('api_version, token_type, token_ins, version', [
-    ('v2', None, None, '2.1.13'),
-    ('v3', 'Bearer', KeycloakToken(auth_url='https://api.test/api/automation-hub/'), '1.0.0'),
+@pytest.mark.parametrize('api_version, token_type, token_ins', [
+    ('v3', None, None),
+    ('v3', 'Bearer', KeycloakToken(auth_url='https://api.test/api/automation-hub/')),
 ])
-def test_get_collection_signatures(api_version, token_type, token_ins, version, monkeypatch):
+def test_get_collection_signatures(api_version, token_type, token_ins, monkeypatch):
     api = get_test_galaxy_api('https://galaxy.server.com/api/', api_version, token_ins=token_ins)
 
     if token_ins:
@@ -840,7 +820,7 @@ def test_get_collection_signatures(api_version, token_type, token_ins, version,
     ]
     monkeypatch.setattr(galaxy_api, 'open_url', mock_open)
 
-    actual = api.get_collection_signatures('namespace', 'collection', version)
+    actual = api.get_collection_signatures('namespace', 'collection', '1.0.0')
 
     assert actual == [
         "-----BEGIN PGP SIGNATURE-----\nSIGNATURE1\n-----END PGP SIGNATURE-----\n",
@@ -848,48 +828,41 @@ def test_get_collection_signatures(api_version, token_type, token_ins, version,
     ]
 
     assert mock_open.call_count == 1
-    assert mock_open.mock_calls[0][1][0] == '%s%s/collections/namespace/collection/versions/%s/' \
-        % (api.api_server, api_version, version)
+    assert mock_open.mock_calls[0][1][0] == '%s%s/collections/namespace/collection/versions/1.0.0/' \
+        % (api.api_server, api_version)
 
-    # v2 calls dont need auth, so no authz header or token_type
+    # v3 calls dont need auth, so no authz header or token_type
     if token_type:
         assert mock_open.mock_calls[0][2]['headers']['Authorization'] == '%s my token' % token_type
 
 
-@pytest.mark.parametrize('api_version, token_type, token_ins, response', [
-    ('v2', None, None, {
-        'count': 2,
-        'next': None,
-        'previous': None,
-        'results': [
-            {
-                'version': '1.0.0',
-                'href': 'https://galaxy.server.com/api/v2/collections/namespace/collection/versions/1.0.0',
-            },
-            {
-                'version': '1.0.1',
-                'href': 'https://galaxy.server.com/api/v2/collections/namespace/collection/versions/1.0.1',
-            },
-        ],
-    }),
-    # TODO: Verify this once Automation Hub is actually out
-    ('v3', 'Bearer', KeycloakToken(auth_url='https://api.test/'), {
-        'count': 2,
-        'next': None,
-        'previous': None,
+@pytest.mark.parametrize('api_version, token_type, token_ins', [
+    ('v3', None, None),
+    ('v3', 'Bearer', KeycloakToken(auth_url='https://ah.test/'))
+])
+def test_get_collection_versions(api_version, token_type, token_ins, monkeypatch):
+    response = {
+        'meta': {
+            'count': 2
+        },
+        'links': {
+            'first': '/api/v3/plugin/ansible/content/published/collections/index/ns/col/versions/?limit=100&offset=0',
+            'previous': None,
+            'next': None,
+            'last': '/api/v3/plugin/ansible/content/published/collections/index/ns/col/versions/?limit=100&offset=0'
+        },
         'data': [
             {
                 'version': '1.0.0',
-                'href': 'https://galaxy.server.com/api/v2/collections/namespace/collection/versions/1.0.0',
+                'href': '/api/v3/plugin/ansible/content/published/collections/index/ns/col/versions/1.0.0/',
             },
             {
                 'version': '1.0.1',
-                'href': 'https://galaxy.server.com/api/v2/collections/namespace/collection/versions/1.0.1',
+                'href': '/api/v3/plugin/ansible/content/pubished/collections/index/ns/col/versions/1.0.1/',
             },
         ],
-    }),
-])
-def test_get_collection_versions(api_version, token_type, token_ins, response, monkeypatch):
+    }
+
     api = get_test_galaxy_api('https://galaxy.server.com/api/', api_version, token_ins=token_ins)
 
     if token_ins:
@@ -906,7 +879,7 @@ def test_get_collection_versions(api_version, token_type, token_ins, response, m
     actual = api.get_collection_versions('namespace', 'collection')
     assert actual == [u'1.0.0', u'1.0.1']
 
-    page_query = '?limit=100' if api_version == 'v3' else '?page_size=100'
+    page_query = '?limit=100'
     assert mock_open.call_count == 1
     assert mock_open.mock_calls[0][1][0] == 'https://galaxy.server.com/api/%s/collections/namespace/collection/' \
                                             'versions/%s' % (api_version, page_query)
@@ -915,53 +888,6 @@ def test_get_collection_versions(api_version, token_type, token_ins, response, m
 
 
 @pytest.mark.parametrize('api_version, token_type, token_ins, responses', [
-    ('v2', None, None, [
-        {
-            'count': 6,
-            'next': 'https://galaxy.server.com/api/v2/collections/namespace/collection/versions/?page=2&page_size=100',
-            'previous': None,
-            'results': [  # Pay no mind, using more manageable results than page_size would indicate
-                {
-                    'version': '1.0.0',
-                    'href': 'https://galaxy.server.com/api/v2/collections/namespace/collection/versions/1.0.0',
-                },
-                {
-                    'version': '1.0.1',
-                    'href': 'https://galaxy.server.com/api/v2/collections/namespace/collection/versions/1.0.1',
-                },
-            ],
-        },
-        {
-            'count': 6,
-            'next': 'https://galaxy.server.com/api/v2/collections/namespace/collection/versions/?page=3&page_size=100',
-            'previous': 'https://galaxy.server.com/api/v2/collections/namespace/collection/versions',
-            'results': [
-                {
-                    'version': '1.0.2',
-                    'href': 'https://galaxy.server.com/api/v2/collections/namespace/collection/versions/1.0.2',
-                },
-                {
-                    'version': '1.0.3',
-                    'href': 'https://galaxy.server.com/api/v2/collections/namespace/collection/versions/1.0.3',
-                },
-            ],
-        },
-        {
-            'count': 6,
-            'next': None,
-            'previous': 'https://galaxy.server.com/api/v2/collections/namespace/collection/versions/?page=2&page_size=100',
-            'results': [
-                {
-                    'version': '1.0.4',
-                    'href': 'https://galaxy.server.com/api/v2/collections/namespace/collection/versions/1.0.4',
-                },
-                {
-                    'version': '1.0.5',
-                    'href': 'https://galaxy.server.com/api/v2/collections/namespace/collection/versions/1.0.5',
-                },
-            ],
-        },
-    ]),
     ('v3', 'Bearer', KeycloakToken(auth_url='https://api.test/'), [
         {
             'count': 6,
@@ -1034,14 +960,9 @@ def test_get_collection_versions_pagination(api_version, token_type, token_ins,
 
     assert mock_open.call_count == 3
 
-    if api_version == 'v3':
-        query_1 = 'limit=100'
-        query_2 = 'limit=100&offset=100'
-        query_3 = 'limit=100&offset=200'
-    else:
-        query_1 = 'page_size=100'
-        query_2 = 'page=2&page_size=100'
-        query_3 = 'page=3&page_size=100'
+    query_1 = 'limit=100'
+    query_2 = 'limit=100&offset=100'
+    query_3 = 'limit=100&offset=200'
 
     assert mock_open.mock_calls[0][1][0] == 'https://galaxy.server.com/api/%s/collections/namespace/collection/' \
                                             'versions/?%s' % (api_version, query_1)
@@ -1160,7 +1081,7 @@ def test_cache_complete_pagination(cache_dir, monkeypatch):
     responses = get_collection_versions()
     cache_file = os.path.join(cache_dir, 'api.json')
 
-    api = get_test_galaxy_api('https://galaxy.server.com/api/', 'v2', no_cache=False)
+    api = get_test_galaxy_api('https://galaxy.server.com/api/', 'v3', no_cache=False)
 
     mock_open = MagicMock(
         side_effect=[
@@ -1177,7 +1098,7 @@ def test_cache_complete_pagination(cache_dir, monkeypatch):
         final_cache = json.loads(fd.read())
 
     cached_server = final_cache['galaxy.server.com:']
-    cached_collection = cached_server['/api/v2/collections/namespace/collection/versions/']
+    cached_collection = cached_server['/api/v3/collections/namespace/collection/versions/']
     cached_versions = [r['version'] for r in cached_collection['results']]
 
     assert final_cache == api._cache
@@ -1218,14 +1139,14 @@ def test_cache_flaky_pagination(cache_dir, monkeypatch):
     responses = get_collection_versions()
     cache_file = os.path.join(cache_dir, 'api.json')
 
-    api = get_test_galaxy_api('https://galaxy.server.com/api/', 'v2', no_cache=False)
+    api = get_test_galaxy_api('https://galaxy.server.com/api/', 'v3', no_cache=False)
 
     # First attempt, fail midway through
     mock_open = MagicMock(
         side_effect=[
             StringIO(to_text(json.dumps(responses[0]))),
             StringIO(to_text(json.dumps(responses[1]))),
-            urllib.error.HTTPError(responses[1]['next'], 500, 'Error', {}, StringIO()),
+            urllib.error.HTTPError(responses[1]['links']['next'], 500, 'Error', {}, StringIO()),
             StringIO(to_text(json.dumps(responses[3]))),
         ]
     )
@@ -1246,13 +1167,13 @@ def test_cache_flaky_pagination(cache_dir, monkeypatch):
         'version': 1,
         'galaxy.server.com:': {
             'modified': {
-                'namespace.collection': responses[0]['modified']
+                'namespace.collection': responses[0]['updated_at']
             }
         }
     }
 
     # Reset API
-    api = get_test_galaxy_api('https://galaxy.server.com/api/', 'v2', no_cache=False)
+    api = get_test_galaxy_api('https://galaxy.server.com/api/', 'v3', no_cache=False)
 
     # Second attempt is successful so cache should be populated
     mock_open = MagicMock(
@@ -1270,7 +1191,7 @@ def test_cache_flaky_pagination(cache_dir, monkeypatch):
         final_cache = json.loads(fd.read())
 
     cached_server = final_cache['galaxy.server.com:']
-    cached_collection = cached_server['/api/v2/collections/namespace/collection/versions/']
+    cached_collection = cached_server['/api/v3/collections/namespace/collection/versions/']
     cached_versions = [r['version'] for r in cached_collection['results']]
 
     assert cached_versions == actual_versions
diff --git a/test/units/galaxy/test_collection.py b/test/units/galaxy/test_collection.py
index 7115a1da44f..8da860da284 100644
--- a/test/units/galaxy/test_collection.py
+++ b/test/units/galaxy/test_collection.py
@@ -846,7 +846,7 @@ def test_publish_no_wait(galaxy_server, collection_artifact, monkeypatch):
     monkeypatch.setattr(Display, 'display', mock_display)
 
     artifact_path, mock_open = collection_artifact
-    fake_import_uri = 'https://galaxy.server.com/api/v2/import/1234'
+    fake_import_uri = 'https://galaxy.server.com/api/v3/import/1234'
 
     mock_publish = MagicMock()
     mock_publish.return_value = fake_import_uri
@@ -869,7 +869,7 @@ def test_publish_with_wait(galaxy_server, collection_artifact, monkeypatch):
     monkeypatch.setattr(Display, 'display', mock_display)
 
     artifact_path, mock_open = collection_artifact
-    fake_import_uri = 'https://galaxy.server.com/api/v2/import/1234'
+    fake_import_uri = 'https://galaxy.server.com/api/v3/import/1234'
 
     mock_publish = MagicMock()
     mock_publish.return_value = fake_import_uri