diff --git a/.ci/ci_lib.py b/.ci/ci_lib.py
index c50c76da..9901c742 100644
--- a/.ci/ci_lib.py
+++ b/.ci/ci_lib.py
@@ -34,12 +34,12 @@ ANSIBLE_TESTS_HOSTS_DIR = os.path.join(GIT_ROOT, 'tests/ansible/hosts')
 ANSIBLE_TESTS_TEMPLATES_DIR = os.path.join(GIT_ROOT, 'tests/ansible/templates')
 DISTRO_SPECS = os.environ.get(
     'MITOGEN_TEST_DISTRO_SPECS',
-    'centos6 centos8 debian9 debian11 ubuntu1604 ubuntu2004',
+    'alma9-py3 centos5 centos8-py3 debian9 debian12-py3 ubuntu1604 ubuntu2404-py3',
 )
 IMAGE_PREP_DIR = os.path.join(GIT_ROOT, 'tests/image_prep')
 IMAGE_TEMPLATE = os.environ.get(
     'MITOGEN_TEST_IMAGE_TEMPLATE',
-    'ghcr.io/mitogen-hq/%(distro)s-test:2021',
+    'ghcr.io/mitogen-hq/%(distro)s-test:2025.02',
 )
 SUDOERS_DEFAULTS_SRC = './tests/image_prep/files/sudoers_defaults'
 SUDOERS_DEFAULTS_DEST = '/etc/sudoers.d/mitogen_test_defaults'
@@ -156,7 +156,15 @@ def run_batches(batches):
         subprocess.Popen(combine(batch), shell=True)
         for batch in batches
     ]
-    assert [proc.wait() for proc in procs] == [0] * len(procs)
+    for proc in procs:
+        proc.wait()
+        if proc.returncode:
+            print(
+                'proc: pid=%i rc=%i args=%r'
+                % (proc.pid, proc.returncode, proc.args),
+                file=sys.stderr, flush=True,
+            )
+    assert [proc.returncode for proc in procs] == [0] * len(procs)
 
 
 def get_output(s, *args, **kwargs):
@@ -231,7 +239,7 @@ def container_specs(
     [{'distro': 'debian11',
       'family': 'debian',
       'hostname': 'localhost',
-      'image': 'ghcr.io/mitogen-hq/debian11-test:2021',
+      'image': 'ghcr.io/mitogen-hq/debian11-test:2025.02',
       'index': 1,
       'name': 'target-debian11-1',
       'port': 2201,
@@ -239,7 +247,7 @@ def container_specs(
      {'distro': 'centos6',
       'family': 'centos',
       'hostname': 'localhost',
-      'image': 'ghcr.io/mitogen-hq/centos6-test:2021',
+      'image': 'ghcr.io/mitogen-hq/centos6-test:2025.02',
       'index': 2,
       'name': 'target-centos6-2',
       'port': 2202,
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ebfad8fd..7d91954a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -153,8 +153,8 @@ jobs:
 
   macos:
     name: macos ${{ matrix.tox_env }}
-    # https://github.com/actions/runner-images/blob/main/images/macos/macos-13-Readme.md
-    runs-on: macos-13
+    # https://github.com/actions/runner-images/blob/main/images/macos/macos-15-Readme.md
+    runs-on: macos-15
     timeout-minutes: 15
 
     strategy:
diff --git a/.gitignore b/.gitignore
index 43e46a19..b3710ea2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,7 @@ build/
 dist/
 extra/
 tests/ansible/.*.pid
+tests/image_prep/logs
 docs/_build/
 htmlcov/
 *.egg-info
diff --git a/docs/changelog.rst b/docs/changelog.rst
index 9eabf7a7..a2fcba66 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -18,6 +18,21 @@ To avail of fixes in an unreleased version, please download a ZIP file
 `directly from GitHub <https://github.com/mitogen-hq/mitogen/>`_.
 
 
+v0.3.34 (2025-11-27)
+--------------------
+
+* :gh:issue:`1118` CI: Use 2025.02 test images, keeping same OS releases
+* :gh:issue:`1358` CI: Bump deprecated macOS 13 runner to macOS 15
+* :gh:issue:`1118` CI: Add OS release coverage: AlmaLinux 9
+* :gh:issue:`1118` CI: Add OS release coverage: CentOS 5
+* :gh:issue:`1118` CI: Add OS release coverage: Debian 12
+* :gh:issue:`1118` CI: Add OS release coverage: Ubuntu 22.04, Ubuntu 24.04
+* :gh:issue:`1124` :mod:`mitogen`: Log why a module is sent or not sent by
+  :class:`mitogen.master.ModuleResponder`
+* :gh:issue:`1124` :mod:`ansible_mitogen`: Speedup startup by not sending
+  ``__main__`` as a related module
+
+
 v0.3.33 (2025-11-22)
 --------------------
 
diff --git a/mitogen/__init__.py b/mitogen/__init__.py
index 2d0af387..740515a7 100644
--- a/mitogen/__init__.py
+++ b/mitogen/__init__.py
@@ -35,7 +35,7 @@ be expected. On the slave, it is built dynamically during startup.
 
 
 #: Library version as a tuple.
-__version__ = (0, 3, 33)
+__version__ = (0, 3, 34)
 
 
 #: This is :data:`False` in slave contexts. Previously it was used to prevent
diff --git a/mitogen/master.py b/mitogen/master.py
index 3b896504..e495197d 100644
--- a/mitogen/master.py
+++ b/mitogen/master.py
@@ -843,6 +843,12 @@ class ModuleFinder(object):
     related modules likely needed by a child context requesting the original
     module.
     """
+
+    # Fullnames of modules that should not be sent as a related module
+    _related_modules_denylist = frozenset({
+        '__main__',
+    })
+
     def __init__(self):
         #: Import machinery is expensive, keep :py:meth`:get_module_source`
         #: results around.
@@ -931,6 +937,34 @@ class ModuleFinder(object):
             fullname, _, _ = str_rpartition(to_text(fullname), u'.')
             yield fullname
 
+    def _reject_related_module(self, requested_fullname, related_fullname):
+        def _log_reject(reason):
+            LOG.debug(
+                '%r: Rejected related module %s of requested module %s: %s',
+                self, related_fullname, requested_fullname, reason,
+            )
+            return reason
+
+        try:
+            related_module = sys.modules[related_fullname]
+        except KeyError:
+            return _log_reject('sys.modules entry absent')
+
+        # Python 2.x "indirection entry"
+        if related_module is None:
+            return _log_reject('sys.modules entry is None')
+
+        if is_stdlib_name(related_fullname):
+            return _log_reject('stdlib module')
+
+        if 'six.moves' in related_fullname:
+            return _log_reject('six.moves avoidence')
+
+        if related_fullname in self._related_modules_denylist:
+            return _log_reject('on denylist')
+
+        return False
+
     def find_related_imports(self, fullname):
         """
         Return a list of non-stdlib modules that are directly imported by
@@ -973,9 +1007,7 @@ class ModuleFinder(object):
             set(
                 mitogen.core.to_text(name)
                 for name in maybe_names
-                if sys.modules.get(name) is not None
-                and not is_stdlib_name(name)
-                and u'six.moves' not in name  # TODO: crap
+                if not self._reject_related_module(fullname, name)
             )
         ))
 
@@ -1138,7 +1170,7 @@ class ModuleResponder(object):
         self._cache[fullname] = tup
         return tup
 
-    def _send_load_module(self, stream, fullname):
+    def _send_load_module(self, stream, fullname, reason):
         if fullname not in stream.protocol.sent_modules:
             tup = self._build_tuple(fullname)
             msg = mitogen.core.Message.pickled(
@@ -1146,8 +1178,10 @@ class ModuleResponder(object):
                 dst_id=stream.protocol.remote_id,
                 handle=mitogen.core.LOAD_MODULE,
             )
-            self._log.debug('sending %s (%.2f KiB) to %s',
-                            fullname, len(msg.data) / 1024.0, stream.name)
+            self._log.debug(
+                'sending %s %s (%.2f KiB) to %s',
+                reason, fullname, len(msg.data) / 1024.0, stream.name,
+            )
             self._router._async_route(msg)
             stream.protocol.sent_modules.add(fullname)
             if tup[2] is not None:
@@ -1178,8 +1212,8 @@ class ModuleResponder(object):
                     # Parent hasn't been sent, so don't load submodule yet.
                     continue
 
-                self._send_load_module(stream, name)
-            self._send_load_module(stream, fullname)
+                self._send_load_module(stream, name, 'related')
+            self._send_load_module(stream, fullname, 'requested')
         except Exception:
             LOG.debug('While importing %r', fullname, exc_info=True)
             self._send_module_load_failed(stream, fullname)
diff --git a/tests/ansible/ansible.cfg b/tests/ansible/ansible.cfg
index 4060d9ea..533c58a9 100644
--- a/tests/ansible/ansible.cfg
+++ b/tests/ansible/ansible.cfg
@@ -76,6 +76,7 @@ ssh_args =
     -o ControlPersist=60s
     -o ForwardAgent=yes
     -o HostKeyAlgorithms=+ssh-rsa
+    -o KexAlgorithms=+diffie-hellman-group1-sha1
     -o PubkeyAcceptedKeyTypes=+ssh-rsa
     -o UserKnownHostsFile=/dev/null
 pipelining = True
diff --git a/tests/ansible/hosts/group_vars/all.yml b/tests/ansible/hosts/group_vars/all.yml
index 7ec10d6a..ca96f25f 100644
--- a/tests/ansible/hosts/group_vars/all.yml
+++ b/tests/ansible/hosts/group_vars/all.yml
@@ -6,6 +6,7 @@
 ansible_version_major_minor: "{{ ansible_version.major }}.{{ ansible_version.minor }}"
 ansible_version_major_minor_patch: "{{ ansible_version.major }}.{{ ansible_version.minor }}.{{ ansible_version.revision | regex_search('^[0-9]+') }}"
 
+become_doas_available: false
 become_unpriv_available: >-
   {#
     Vanilla Ansible >= 4 (ansible-core >= 2.11) can use `setfacl` for
@@ -34,3 +35,11 @@ become_unpriv_available: >-
   -}}
 
 pkg_mgr_python_interpreter: python
+
+virtualenv_create_argv:
+  - virtualenv
+  - -p
+  - "{{ virtualenv_python }}"
+  - "{{ virtualenv_path }}"
+virtualenv_path: /path/intentionally/left/invalid
+virtualenv_python: /path/intentionally/left/invalid
diff --git a/tests/ansible/hosts/group_vars/alma9.yml b/tests/ansible/hosts/group_vars/alma9.yml
new file mode 100644
index 00000000..25fd10bd
--- /dev/null
+++ b/tests/ansible/hosts/group_vars/alma9.yml
@@ -0,0 +1,8 @@
+pkg_mgr_python_interpreter: python3
+
+# Alma Linux 9, RHEL 9, etc. lack a virtualenv package
+virtualenv_create_argv:
+  - "{{ virtualenv_python }}"
+  - -m
+  - venv
+  - "{{ virtualenv_path }}"
diff --git a/tests/ansible/hosts/group_vars/debian11.yml b/tests/ansible/hosts/group_vars/debian11.yml
index 30c98341..cecc3c50 100644
--- a/tests/ansible/hosts/group_vars/debian11.yml
+++ b/tests/ansible/hosts/group_vars/debian11.yml
@@ -1,3 +1,4 @@
+become_doas_available: true
 package_manager_keys:
   - src: debian-archive-bullseye-automatic.gpg  # Debian 11
     dest: /etc/apt/trusted.gpg.d/debian-archive-bullseye-automatic.gpg
diff --git a/tests/ansible/hosts/group_vars/debian12.yml b/tests/ansible/hosts/group_vars/debian12.yml
new file mode 100644
index 00000000..f2f5fd56
--- /dev/null
+++ b/tests/ansible/hosts/group_vars/debian12.yml
@@ -0,0 +1,2 @@
+become_doas_available: true
+pkg_mgr_python_interpreter: python3
diff --git a/tests/ansible/hosts/group_vars/debian9.yml b/tests/ansible/hosts/group_vars/debian9.yml
index e08b1ed2..5be6ee80 100644
--- a/tests/ansible/hosts/group_vars/debian9.yml
+++ b/tests/ansible/hosts/group_vars/debian9.yml
@@ -1,4 +1,6 @@
 package_manager_repos:
   - dest: /etc/apt/sources.list
     content: |
-      deb http://archive.debian.org/debian stretch main contrib non-free
+      deb http://archive.debian.org/debian/ stretch main contrib non-free
+      deb http://archive.debian.org/debian/ stretch-proposed-updates main contrib non-free
+      deb http://archive.debian.org/debian-security stretch/updates main contrib non-free
diff --git a/tests/ansible/hosts/group_vars/ubuntu2204.yml b/tests/ansible/hosts/group_vars/ubuntu2204.yml
new file mode 100644
index 00000000..f2f5fd56
--- /dev/null
+++ b/tests/ansible/hosts/group_vars/ubuntu2204.yml
@@ -0,0 +1,2 @@
+become_doas_available: true
+pkg_mgr_python_interpreter: python3
diff --git a/tests/ansible/hosts/group_vars/ubuntu2404.yml b/tests/ansible/hosts/group_vars/ubuntu2404.yml
new file mode 100644
index 00000000..f2f5fd56
--- /dev/null
+++ b/tests/ansible/hosts/group_vars/ubuntu2404.yml
@@ -0,0 +1,2 @@
+become_doas_available: true
+pkg_mgr_python_interpreter: python3
diff --git a/tests/ansible/integration/become/doas.yml b/tests/ansible/integration/become/doas.yml
index 31858168..296b3084 100644
--- a/tests/ansible/integration/become/doas.yml
+++ b/tests/ansible/integration/become/doas.yml
@@ -15,12 +15,16 @@
       changed_when: false
       check_mode: false
       register: doas_default_user
+      when:
+        - become_doas_available
 
     - assert:
         that:
           - doas_default_user.stdout == 'root'
         fail_msg:
           doas_default_user={{ doas_default_user }}
+      when:
+        - become_doas_available
 
     - name: Test doas -> mitogen__user1
       become: true
@@ -30,6 +34,7 @@
       check_mode: false
       register: doas_mitogen__user1
       when:
+        - become_doas_available
         - become_unpriv_available
 
     - assert:
@@ -38,6 +43,7 @@
         fail_msg:
           doas_mitogen__user1={{ doas_mitogen__user1 }}
       when:
+        - become_doas_available
         - become_unpriv_available
   tags:
     - doas
@@ -61,12 +67,16 @@
       changed_when: false
       check_mode: false
       register: fq_doas_default_user
+      when:
+        - become_doas_available
 
     - assert:
         that:
           - fq_doas_default_user.stdout == 'root'
         fail_msg:
           fq_doas_default_user={{ fq_doas_default_user }}
+      when:
+        - become_doas_available
 
     - name: Test community.general.doas -> mitogen__user1
       become: true
@@ -76,6 +86,7 @@
       check_mode: false
       register: fq_doas_mitogen__user1
       when:
+        - become_doas_available
         - become_unpriv_available
 
     - assert:
@@ -84,6 +95,7 @@
         fail_msg:
           fq_doas_mitogen__user1={{ fq_doas_mitogen__user1 }}
       when:
+        - become_doas_available
         - become_unpriv_available
   tags:
     - doas
diff --git a/tests/ansible/integration/connection_delegation/delegate_to_template.yml b/tests/ansible/integration/connection_delegation/delegate_to_template.yml
index 8cd50f98..d46103d6 100644
--- a/tests/ansible/integration/connection_delegation/delegate_to_template.yml
+++ b/tests/ansible/integration/connection_delegation/delegate_to_template.yml
@@ -47,6 +47,7 @@
                 -o, ControlPersist=60s,
                 -o, ForwardAgent=yes,
                 -o, HostKeyAlgorithms=+ssh-rsa,
+                -o, KexAlgorithms=+diffie-hellman-group1-sha1,
                 -o, PubkeyAcceptedKeyTypes=+ssh-rsa,
                 -o, UserKnownHostsFile=/dev/null,
               ],
@@ -75,6 +76,7 @@
                 -o, ControlPersist=60s,
                 -o, ForwardAgent=yes,
                 -o, HostKeyAlgorithms=+ssh-rsa,
+                -o, KexAlgorithms=+diffie-hellman-group1-sha1,
                 -o, PubkeyAcceptedKeyTypes=+ssh-rsa,
                 -o, UserKnownHostsFile=/dev/null,
               ],
diff --git a/tests/ansible/integration/connection_delegation/stack_construction.yml b/tests/ansible/integration/connection_delegation/stack_construction.yml
index 58abac7b..b38d835b 100644
--- a/tests/ansible/integration/connection_delegation/stack_construction.yml
+++ b/tests/ansible/integration/connection_delegation/stack_construction.yml
@@ -84,6 +84,7 @@
                           -o, ControlPersist=60s,
                           -o, ForwardAgent=yes,
                           -o, HostKeyAlgorithms=+ssh-rsa,
+                          -o, KexAlgorithms=+diffie-hellman-group1-sha1,
                           -o, PubkeyAcceptedKeyTypes=+ssh-rsa,
                           -o, UserKnownHostsFile=/dev/null,
                       ],
@@ -128,6 +129,7 @@
                           -o, ControlPersist=60s,
                           -o, ForwardAgent=yes,
                           -o, HostKeyAlgorithms=+ssh-rsa,
+                          -o, KexAlgorithms=+diffie-hellman-group1-sha1,
                           -o, PubkeyAcceptedKeyTypes=+ssh-rsa,
                           -o, UserKnownHostsFile=/dev/null,
                       ],
@@ -183,6 +185,7 @@
                           -o, ControlPersist=60s,
                           -o, ForwardAgent=yes,
                           -o, HostKeyAlgorithms=+ssh-rsa,
+                          -o, KexAlgorithms=+diffie-hellman-group1-sha1,
                           -o, PubkeyAcceptedKeyTypes=+ssh-rsa,
                           -o, UserKnownHostsFile=/dev/null,
                       ],
@@ -227,6 +230,7 @@
                           -o, ControlPersist=60s,
                           -o, ForwardAgent=yes,
                           -o, HostKeyAlgorithms=+ssh-rsa,
+                          -o, KexAlgorithms=+diffie-hellman-group1-sha1,
                           -o, PubkeyAcceptedKeyTypes=+ssh-rsa,
                           -o, UserKnownHostsFile=/dev/null,
                       ],
@@ -255,6 +259,7 @@
                           -o, ControlPersist=60s,
                           -o, ForwardAgent=yes,
                           -o, HostKeyAlgorithms=+ssh-rsa,
+                          -o, KexAlgorithms=+diffie-hellman-group1-sha1,
                           -o, PubkeyAcceptedKeyTypes=+ssh-rsa,
                           -o, UserKnownHostsFile=/dev/null,
                       ],
@@ -309,6 +314,7 @@
                           -o, ControlPersist=60s,
                           -o, ForwardAgent=yes,
                           -o, HostKeyAlgorithms=+ssh-rsa,
+                          -o, KexAlgorithms=+diffie-hellman-group1-sha1,
                           -o, PubkeyAcceptedKeyTypes=+ssh-rsa,
                           -o, UserKnownHostsFile=/dev/null,
                       ],
@@ -354,6 +360,7 @@
                           -o, ControlPersist=60s,
                           -o, ForwardAgent=yes,
                           -o, HostKeyAlgorithms=+ssh-rsa,
+                          -o, KexAlgorithms=+diffie-hellman-group1-sha1,
                           -o, PubkeyAcceptedKeyTypes=+ssh-rsa,
                           -o, UserKnownHostsFile=/dev/null,
                       ],
diff --git a/tests/ansible/integration/interpreter_discovery/ansible_2_8_tests.yml b/tests/ansible/integration/interpreter_discovery/ansible_2_8_tests.yml
index 451b4dc3..fd82d2ea 100644
--- a/tests/ansible/integration/interpreter_discovery/ansible_2_8_tests.yml
+++ b/tests/ansible/integration/interpreter_discovery/ansible_2_8_tests.yml
@@ -1,58 +1,20 @@
 # ripped and ported from https://github.com/ansible/ansible/pull/50163/files, when interpreter discovery was added to ansible
 ---
+- name: integration/interpreter_discovery/ansible_2_8_tests.yml, baseline
+  hosts: test-targets
+  strategy: linear
+  tasks:
+    - meta: clear_facts
+    - name: Discover interpreter, linear, auto
+      vars:
+        ansible_python_interpreter: auto
+      ping:
+      register: linear_auto_result
+
 
 - name: integration/interpreter_discovery/ansible_2_8_tests.yml
   hosts: test-targets
   gather_facts: true
-  vars:
-    DISCOVERED_INTERPRETER_EXPECTED_MAP__ANSIBLE_lt_2_12:
-      centos:
-        '6': /usr/bin/python
-        '7': /usr/bin/python
-        '8': /usr/libexec/platform-python
-      debian:
-        '9': /usr/bin/python
-        '10': /usr/bin/python3
-        '11': /usr/bin/python
-        'NA': /usr/bin/python  # Debian 11, Ansible <= 7 (ansible-core <= 2.14)
-        'bullseye/sid': /usr/bin/python  # Debian 11, Ansible 8 - 9 (ansible-core 2.15 - 2.16)
-      ubuntu:
-        '16': /usr/bin/python3
-        '18': /usr/bin/python3
-        '20': /usr/bin/python3
-
-    DISCOVERED_INTERPRETER_EXPECTED_MAP__ANSIBLE_2_12_to_2_16:
-      centos:
-        '6': /usr/bin/python
-        '7': /usr/bin/python
-        '8': /usr/libexec/platform-python
-      debian:
-        '9': /usr/bin/python
-        '10': /usr/bin/python3
-        '11': /usr/bin/python3.9
-        'NA': /usr/bin/python3.9  # Debian 11, Ansible <= 7 (ansible-core <= 2.14)
-        'bullseye/sid': /usr/bin/python3.9  # Debian 11, Ansible 8 - 9 (ansible-core 2.15 - 2.16)
-      ubuntu:
-        '16': /usr/bin/python3
-        '18': /usr/bin/python3
-        '20': /usr/bin/python3
-
-    DISCOVERED_INTERPRETER_EXPECTED_MAP__ANSIBLE_ge_2_17:
-      debian:
-        '10': /usr/bin/python3.7
-        '11': /usr/bin/python3.9
-        'bullseye/sid': /usr/bin/python3.9
-      ubuntu:
-        '20': /usr/bin/python3.8
-
-    discovered_interpreter_expected: >-
-      {%- if ansible_version_major_minor is version('2.12', '<', strict=True) -%}
-      {{ DISCOVERED_INTERPRETER_EXPECTED_MAP__ANSIBLE_lt_2_12[distro][distro_major] }}
-      {%- elif ansible_version_major_minor is version('2.17', '<', strict=True) -%}
-      {{ DISCOVERED_INTERPRETER_EXPECTED_MAP__ANSIBLE_2_12_to_2_16[distro][distro_major] }}
-      {%- else -%}
-      {{ DISCOVERED_INTERPRETER_EXPECTED_MAP__ANSIBLE_ge_2_17[distro][distro_major] }}
-      {%- endif -%}
   tasks:
     - name: can only run these tests on ansible >= 2.8.0
       block:
@@ -65,12 +27,6 @@
             fail_msg: "'ansible_python_interpreter' appears to be set at a high precedence to {{ ansible_python_interpreter }},
                       which breaks this test."
 
-        - name: snag some facts to validate for later
-          set_fact:
-            distro: '{{ ansible_facts.distribution | lower }}'
-            distro_major: '{{ ansible_facts.distribution_major_version }}'
-            system: '{{ ansible_facts.system }}'
-
         - name: test that python discovery is working and that fact persistence makes it only run once
           block:
           - name: clear facts to force interpreter discovery to run
@@ -215,16 +171,10 @@
           - name: Check discovered interpreter matches expected
             assert:
               that:
-                - auto_out.ansible_facts.discovered_interpreter_python == discovered_interpreter_expected
+                - auto_out.ansible_facts.discovered_interpreter_python == linear_auto_result.ansible_facts.discovered_interpreter_python
               fail_msg: |
-                distro={{ distro }}
-                distro_major= {{ distro_major }}
-                system={{ system }}
                 auto_out={{ auto_out }}
-                discovered_interpreter_expected={{ discovered_interpreter_expected }}
-                ansible_version.full={{ ansible_version.full }}
-            when:
-              - system in ['Linux']
+                linear_auto_result={{ linear_auto_result }}
 
           always:
           - meta: clear_facts
diff --git a/tests/ansible/integration/process/unix_socket_cleanup.yml b/tests/ansible/integration/process/unix_socket_cleanup.yml
index 4466aa2e..4dce1d41 100644
--- a/tests/ansible/integration/process/unix_socket_cleanup.yml
+++ b/tests/ansible/integration/process/unix_socket_cleanup.yml
@@ -14,7 +14,7 @@
       ANSIBLE_CALLBACK_RESULT_FORMAT=json
       ANSIBLE_LOAD_CALLBACK_PLUGINS=false
       ANSIBLE_STRATEGY=mitogen_linear
-      ANSIBLE_SSH_ARGS="-o HostKeyAlgorithms=+ssh-rsa -o PubkeyAcceptedKeyTypes=+ssh-rsa"
+      ANSIBLE_SSH_ARGS="-o HostKeyAlgorithms=+ssh-rsa -o KexAlgorithms=+diffie-hellman-group1-sha1 -o PubkeyAcceptedKeyTypes=+ssh-rsa"
       ANSIBLE_VERBOSITY="{{ ansible_verbosity }}"
       ansible -m shell -c local -a whoami
       {% for inv in ansible_inventory_sources %}
diff --git a/tests/ansible/integration/ssh/password.yml b/tests/ansible/integration/ssh/password.yml
index ca08fa5b..5301c084 100644
--- a/tests/ansible/integration/ssh/password.yml
+++ b/tests/ansible/integration/ssh/password.yml
@@ -35,7 +35,7 @@
             ssh_no_password_result.msg is search('SSH password was requested, but none specified')
             or ssh_no_password_result.msg is search('SSH password is incorrect')
             or ssh_no_password_result.msg is search('Invalid/incorrect password')
-            or ssh_no_password_result.msg is search('Permission denied \(publickey,password(,keyboard-interactive)?\)')
+            or ssh_no_password_result.msg is search('Permission denied \(publickey(,gssapi-keyex)?(,gssapi-with-mic)?,password(,keyboard-interactive)?\)')
         fail_msg: |
           ssh_no_password_result={{ ssh_no_password_result }}
 
@@ -72,6 +72,6 @@
           - >-
             ssh_wrong_password_result.msg is search('SSH password is incorrect')
             or ssh_wrong_password_result.msg is search('Invalid/incorrect password')
-            or ssh_wrong_password_result.msg is search('Permission denied \(publickey,password(,keyboard-interactive)?\)')
+            or ssh_no_password_result.msg is search('Permission denied \(publickey(,gssapi-keyex)?(,gssapi-with-mic)?,password(,keyboard-interactive)?\)')
         fail_msg: |
           ssh_wrong_password_result={{ ssh_wrong_password_result }}
diff --git a/tests/ansible/integration/ssh/variables.yml b/tests/ansible/integration/ssh/variables.yml
index 5eb54dde..17d53350 100644
--- a/tests/ansible/integration/ssh/variables.yml
+++ b/tests/ansible/integration/ssh/variables.yml
@@ -22,7 +22,7 @@
         ANSIBLE_CALLBACK_RESULT_FORMAT=json
         ANSIBLE_LOAD_CALLBACK_PLUGINS=false
         ANSIBLE_STRATEGY=mitogen_linear
-        ANSIBLE_SSH_ARGS="-o HostKeyAlgorithms=+ssh-rsa -o PubkeyAcceptedKeyTypes=+ssh-rsa"
+        ANSIBLE_SSH_ARGS="-o HostKeyAlgorithms=+ssh-rsa -o KexAlgorithms=+diffie-hellman-group1-sha1 -o PubkeyAcceptedKeyTypes=+ssh-rsa"
         ANSIBLE_VERBOSITY="{{ ansible_verbosity }}"
         ansible -m shell -a whoami
         {% for inv in ansible_inventory_sources %}
@@ -42,7 +42,7 @@
         ANSIBLE_CALLBACK_RESULT_FORMAT=json
         ANSIBLE_LOAD_CALLBACK_PLUGINS=false
         ANSIBLE_STRATEGY=mitogen_linear
-        ANSIBLE_SSH_ARGS="-o HostKeyAlgorithms=+ssh-rsa -o PubkeyAcceptedKeyTypes=+ssh-rsa"
+        ANSIBLE_SSH_ARGS="-o HostKeyAlgorithms=+ssh-rsa -o KexAlgorithms=+diffie-hellman-group1-sha1 -o PubkeyAcceptedKeyTypes=+ssh-rsa"
         ANSIBLE_VERBOSITY="{{ ansible_verbosity }}"
         ansible -m shell -a whoami
         {% for inv in ansible_inventory_sources %}
diff --git a/tests/ansible/regression/issue_122__environment_difference.yml b/tests/ansible/regression/issue_122__environment_difference.yml
index 273a49ae..510dbf86 100644
--- a/tests/ansible/regression/issue_122__environment_difference.yml
+++ b/tests/ansible/regression/issue_122__environment_difference.yml
@@ -8,9 +8,12 @@
 - name: regression/issue_122__environment_difference.yml
   hosts: test-targets
   tasks:
-
-  - script: scripts/print_env.py
-    register: env
-  - debug: msg={{env}}
+    - name: Run print_env.py
+      script:
+        cmd: scripts/print_env.py
+        executable: "{{ ansible_python_interpreter | default(ansible_facts.discovered_interpreter_python) }}"
+      register: print_env_result
+    - debug:
+        var: print_env_result
   tags:
     - issue_122
diff --git a/tests/ansible/regression/issue_152__virtualenv_python_fails.yml b/tests/ansible/regression/issue_152__virtualenv_python_fails.yml
index 43b00de5..c90f63d2 100644
--- a/tests/ansible/regression/issue_152__virtualenv_python_fails.yml
+++ b/tests/ansible/regression/issue_152__virtualenv_python_fails.yml
@@ -1,26 +1,29 @@
 - name: regression/issue_152__virtualenv_python_fails.yml
   gather_facts: true
   hosts: test-targets
+  vars:
+    virtualenv_path: /tmp/issue_152_virtualenv
+    virtualenv_python: "{{ ansible_facts.python.executable }}"
   tasks:
     - custom_python_detect_environment:
       register: lout
 
     # Can't use pip module because it can't create virtualenvs, must call it
     # directly.
-    - name: Create /tmp/issue_152_virtualenv
+    - name: Create temporary virtualenv
       environment:
         https_proxy: "{{ lookup('env', 'https_proxy')|default('') }}"
         no_proxy: "{{ lookup('env', 'no_proxy')|default('') }}"
         PATH: "{{ lookup('env', 'PATH') }}"
       command:
-        cmd: virtualenv -p "{{ ansible_facts.python.executable }}" /tmp/issue_152_virtualenv
-        creates: /tmp/issue_152_virtualenv
+        argv: "{{ virtualenv_create_argv }}"
+        creates: "{{ virtualenv_path }}"
       when:
         - lout.python.version.full is version('2.7', '>=', strict=True)
 
     - custom_python_detect_environment:
       vars:
-        ansible_python_interpreter: /tmp/issue_152_virtualenv/bin/python
+        ansible_python_interpreter: "{{ virtualenv_path }}/bin/python"
       register: out
       when:
         - lout.python.version.full is version('2.7', '>=', strict=True)
@@ -28,7 +31,7 @@
     - name: Check virtualenv was used
       # On macOS runners a symlink /tmp -> /private/tmp has been seen
       vars:
-        requested_executable: /tmp/issue_152_virtualenv/bin/python
+        requested_executable: "{{ virtualenv_path }}/bin/python"
         expected_executables:
           - "{{ requested_executable }}"
           - "{{ requested_executable.replace('/tmp', out.fs['/tmp'].resolved) }}"
@@ -40,9 +43,9 @@
       when:
         - lout.python.version.full is version('2.7', '>=', strict=True)
 
-    - name: Cleanup /tmp/issue_152_virtualenv
+    - name: Cleanup temporary virtualenv
       file:
-        path: /tmp/issue_152_virtualenv
+        path: "{{ virtualenv_path }}"
         state: absent
       when:
         - lout.python.version.full is version('2.7', '>=', strict=True)
diff --git a/tests/data/docker/doas-debian.tar.gz b/tests/data/docker/doas-debian.tar.gz
deleted file mode 100644
index 2deb72ff..00000000
Binary files a/tests/data/docker/doas-debian.tar.gz and /dev/null differ
diff --git a/tests/data/plain_old_module.py b/tests/data/plain_old_module.py
index 7239f76a..2c14e0ff 100755
--- a/tests/data/plain_old_module.py
+++ b/tests/data/plain_old_module.py
@@ -12,8 +12,12 @@ class MyError(Exception):
 
 def get_sentinel_value():
     # Some proof we're even talking to the mitogen-test Docker image
-    with open('/etc/sentinel', 'rb') as f:
-        return f.read().decode()
+    f = open('/etc/sentinel', 'rb')
+    try:
+        value = f.read().decode()
+    finally:
+        f.close()
+    return value
 
 
 def add(x, y):
diff --git a/tests/image_prep/_container_create.yml b/tests/image_prep/_container_create.yml
index b07c46eb..ab52b73b 100644
--- a/tests/image_prep/_container_create.yml
+++ b/tests/image_prep/_container_create.yml
@@ -3,18 +3,30 @@
   strategy: mitogen_free
   gather_facts: false
   tasks:
-    - name: Fetch container images
-      docker_image:
-        name: "{{ docker_base }}"
-      delegate_to: localhost
-
     - name: Start containers
       docker_container:
         name: "{{ inventory_hostname }}"
         image: "{{ docker_base }}"
         command: /bin/bash
         hostname: "mitogen-{{ inventory_hostname }}"
+        etc_hosts:
+          centos-vault-proxy: host-gateway
         detach: true
         interactive: true
         tty: true
       delegate_to: localhost
+
+    - name: Wait for containers
+      # Can't use wait_for_connection yet, not all base images have a python
+      command: >-
+        docker inspect
+        --format "{% raw %}{{.State.Running}}{% endraw %}"
+        "{{ inventory_hostname }}"
+      register: container_inspect_result
+      retries: 5
+      delay: 10
+      until:
+        - container_inspect_result is succeeded
+        - container_inspect_result.stdout == "true"
+      changed_when: false
+      delegate_to: localhost
diff --git a/tests/image_prep/_container_finalize.yml b/tests/image_prep/_container_finalize.yml
index 5329fefa..7e090870 100644
--- a/tests/image_prep/_container_finalize.yml
+++ b/tests/image_prep/_container_finalize.yml
@@ -1,7 +1,7 @@
 - name: Prepare images
   hosts: all
   strategy: mitogen_free
-  gather_facts: true
+  gather_facts: false
   tasks:
     - name: Commit containers
       command: >
@@ -10,9 +10,11 @@
         --change 'CMD ["/usr/sbin/sshd", "-D"]'
         {{ inventory_hostname }}
         {{ container_image_name }}
+      changed_when: true
       delegate_to: localhost
 
     - name: Stop containers
       command: >
         docker rm -f {{ inventory_hostname }}
+      changed_when: true
       delegate_to: localhost
diff --git a/tests/image_prep/_container_host.yml b/tests/image_prep/_container_host.yml
new file mode 100644
index 00000000..d3c2aca8
--- /dev/null
+++ b/tests/image_prep/_container_host.yml
@@ -0,0 +1,5 @@
+- name: Setup container host
+  hosts: localhost
+  become: true
+  roles:
+    - role: container_host
diff --git a/tests/image_prep/_container_setup.yml b/tests/image_prep/_container_setup.yml
index b95d67a9..276004f1 100644
--- a/tests/image_prep/_container_setup.yml
+++ b/tests/image_prep/_container_setup.yml
@@ -2,113 +2,44 @@
   hosts: all
   strategy: linear
   gather_facts: false
-  tasks:
-    - name: Install bootstrap packages
-      raw: |
-        set -o errexit
-        set -o nounset
-        if type -p yum; then
-          yum -y install {{ bootstrap_packages | join(' ') }}
-        else
-          apt-get -y update
-          apt-get -y --no-install-recommends install {{ bootstrap_packages | join(' ') }}
-        fi
-      when: bootstrap_packages | length
+  roles:
+    - role: bootstrap
 
 - name: Setup containers
   hosts: all
   strategy: mitogen_free
-  # Resource limitation, my laptop freezes doing every container concurrently
-  serial: 4
   # Can't gather facts before here.
   gather_facts: true
   vars:
     distro: "{{ansible_distribution}}"
 
-  pre_tasks:
-    - meta: end_play
-      when:
-        - ansible_facts.virtualization_type != "docker"
-
   roles:
     - role: package_manager
+    - role: packages
     - role: sshd
     - role: sshd_container
 
   tasks:
-    - name: Ensure requisite apt packages are installed
-      apt:
-        name: "{{ common_packages + packages }}"
-        state: present
-        install_recommends: false
-        update_cache: true
-      when: ansible_pkg_mgr == 'apt'
-
-    - name: Ensure requisite yum packages are installed
-      yum:
-        name: "{{ common_packages + packages }}"
-        state: present
-        update_cache: true
-      when: ansible_pkg_mgr == 'yum'
-
-    - name: Ensure requisite dnf packages are installed
-      dnf:
-        name: "{{ common_packages + packages }}"
-        state: present
-        update_cache: true
-      when: ansible_pkg_mgr == 'dnf'
-
-    - name: Clean up package cache
-      vars:
-        clean_command:
-          apt: apt-get clean
-          yum: yum clean all
-          dnf: dnf clean all
-      command: "{{ clean_command[ansible_pkg_mgr] }}"
-      args:
-        warn: "{{ False if ansible_version_major_minor is version('2.10', '<=', strict=True) else omit }}"
-
-    - name: Clean up apt package lists
-      shell: rm -rf {{item}}/*
-      with_items:
-      - /var/cache/apt
-      - /var/lib/apt/lists
-      when: ansible_pkg_mgr == 'apt'
-
-    - name: Configure /usr/bin/python
-      command: alternatives --set python /usr/bin/python3.8
-      args:
-        creates: /usr/bin/python
-      when: inventory_hostname in ["centos8"]
-
     - name: Enable UTF-8 locale on Debian
       copy:
         dest: /etc/locale.gen
         content: |
           en_US.UTF-8 UTF-8
           fr_FR.UTF-8 UTF-8
+        mode: u=rw,go=r
       when: ansible_pkg_mgr == 'apt'
 
     - name: Generate UTF-8 locale on Debian
-      shell: locale-gen
+      command:
+        cmd: locale-gen
+      changed_when: true
       when: ansible_pkg_mgr == 'apt'
 
     - name: Write Unicode into /etc/environment
       copy:
         dest: /etc/environment
         content: "UNICODE_SNOWMAN=\u2603\n"
-
-    - name: Install prebuilt 'doas' binary
-      unarchive:
-        dest: /
-        src: ../data/docker/doas-debian.tar.gz
-
-    - name: Make prebuilt 'doas' binary executable
-      file:
-        path: /usr/local/bin/doas
-        mode: 'u=rwxs,go=rx'
-        owner: root
-        group: root
+        mode: u=rw,go=r
 
     - name: Install doas.conf
       copy:
@@ -116,6 +47,7 @@
         content: |
           permit :mitogen__group
           permit :root
+        mode: u=rw,go=
 
     - name: Set root user password and shell
       user:
@@ -127,6 +59,7 @@
       file:
         path: /var/run/sshd
         state: directory
+        mode: u=rwx,go=rx
 
     - name: Generate SSH host key
       command: ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key
@@ -142,6 +75,7 @@
         dest: /etc/sentinel
         content: |
           i-am-mitogen-test-docker-image
+        mode: u=rw,go=r
 
     - name: Ensure /etc/sudoers.d exists
       file:
diff --git a/tests/image_prep/_user_accounts.yml b/tests/image_prep/_user_accounts.yml
index a1701e55..0f167e7a 100644
--- a/tests/image_prep/_user_accounts.yml
+++ b/tests/image_prep/_user_accounts.yml
@@ -181,6 +181,6 @@
           {% endfor %}
         validate: '/usr/sbin/visudo -cf %s'
       when:
-        - ansible_virtualization_type != "docker"
+        - ansible_connection == "local"
   roles:
     - role: user_policies
diff --git a/tests/image_prep/ansible.cfg b/tests/image_prep/ansible.cfg
index f698ed89..cc63c3a3 100644
--- a/tests/image_prep/ansible.cfg
+++ b/tests/image_prep/ansible.cfg
@@ -1,13 +1,17 @@
 
 [defaults]
+any_errors_fatal = true
 # Ansible >= 6 (ansible-core >= 2.13)
 callback_result_format = yaml
 deprecation_warnings = false
+duplicate_dict_key = error
+inventory = hosts.ini
 strategy_plugins = ../../ansible_mitogen/plugins/strategy
 retry_files_enabled = false
-display_args_to_stdout = True
 no_target_syslog = True
 host_key_checking = False
 
 [inventory]
-unparsed_is_fatal = true
+any_unparsed_is_failed = true
+host_pattern_mismatch = error
+unparsed_is_failed = true
diff --git a/tests/image_prep/apache_proxy.conf b/tests/image_prep/apache_proxy.conf
new file mode 100644
index 00000000..79022df7
--- /dev/null
+++ b/tests/image_prep/apache_proxy.conf
@@ -0,0 +1,33 @@
+DefaultRuntimeDir ${XDG_RUNTIME_DIR}
+PidFile ${XDG_RUNTIME_DIR}/apache2.pid
+
+LoadModule alias_module /usr/lib/apache2/modules/mod_alias.so
+LoadModule authz_core_module /usr/lib/apache2/modules/mod_authz_core.so
+LoadModule mpm_event_module /usr/lib/apache2/modules/mod_mpm_event.so
+LoadModule proxy_module /usr/lib/apache2/modules/mod_proxy.so
+LoadModule proxy_http_module /usr/lib/apache2/modules/mod_proxy_http.so
+LoadModule rewrite_module /usr/lib/apache2/modules/mod_rewrite.so
+LoadModule ssl_module /usr/lib/apache2/modules/mod_ssl.so
+
+LogFormat "%v:%p %h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" vhost_combined
+
+KeepAlive On
+Listen 8090
+
+<Directory />
+    Require all denied
+    AllowOverride None
+</Directory>
+
+<VirtualHost *:8090>
+    ServerName centos-vault-proxy
+    SSLProxyEngine On
+    CustomLog logs/access.log vhost_combined
+    ProxyPass "/" "https://vault.centos.org/"
+    ProxyPassReverse "https://vault.centos.org/" "/"
+    RedirectMatch "^/(.*)" "http://centos-vault-proxy:8090/$1"
+</VirtualHost>
+
+# /usr/sbin/apache2 -d . -f apache_proxy.conf -D FOREGROUND
+
+# vim: syntax=apache
diff --git a/tests/image_prep/group_vars/all.yml b/tests/image_prep/group_vars/all.yml
index 6545e432..fc9ffddf 100644
--- a/tests/image_prep/group_vars/all.yml
+++ b/tests/image_prep/group_vars/all.yml
@@ -1,16 +1,18 @@
 ansible_version_major_minor: "{{ ansible_version.major }}.{{ ansible_version.minor }}"
 
 common_packages:
+  - acl
   - openssh-server
   - rsync
   - strace
   - sudo
 
 container_image_name: "{{ container_registry }}/{{ inventory_hostname }}-test"
-container_registry: public.ecr.aws/n5z0e8q9
+container_registry: ghcr.io/mitogen-hq
 
 sudo_group:
   MacOSX: admin
   Debian: sudo
   Ubuntu: sudo
   CentOS: wheel
+  AlmaLinux: wheel
diff --git a/tests/image_prep/host_vars/alma9.yml b/tests/image_prep/host_vars/alma9.yml
new file mode 100644
index 00000000..430d6bf2
--- /dev/null
+++ b/tests/image_prep/host_vars/alma9.yml
@@ -0,0 +1,6 @@
+bootstrap_packages: [python3]
+docker_base: almalinux:9
+
+packages:
+  - perl-JSON
+  - procps-ng
diff --git a/tests/image_prep/host_vars/centos5.yml b/tests/image_prep/host_vars/centos5.yml
index 1828c29e..19397096 100644
--- a/tests/image_prep/host_vars/centos5.yml
+++ b/tests/image_prep/host_vars/centos5.yml
@@ -1,6 +1,36 @@
 bootstrap_packages: [python-simplejson]
 
-docker_base: astj/centos5-vault
+docker_base: centos:5
 
 packages:
   - perl
+package_manager_repos:
+  - dest: /etc/yum.repos.d/CentOS-Base.repo
+    content: |
+      [base]
+      name=CentOS-$releasever - Base
+      baseurl=http://centos-vault-proxy:8090/5.11/os/$basearch/
+      gpgcheck=1
+      gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5
+
+      [updates]
+      name=CentOS-$releasever - Updates
+      baseurl=http://centos-vault-proxy:8090/5.11/updates/$basearch/
+      gpgcheck=1
+      gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5
+
+      [extras]
+      name=CentOS-$releasever - Extras
+      baseurl=http://centos-vault-proxy:8090/5.11/extras/$basearch/
+      gpgcheck=1
+      gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5
+
+  - dest: /etc/yum.repos.d/libselinux.repo
+    content: |
+      [libselinux]
+      name=CentOS-$releasever - libselinux
+      baseurl=http://centos-vault-proxy:8090/5.11/centosplus/$basearch/
+      gpgcheck=1
+      enabled=1
+      gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5
+      includepkgs=libselinux*
diff --git a/tests/image_prep/host_vars/centos6.yml b/tests/image_prep/host_vars/centos6.yml
index aae7965f..2eb20f48 100644
--- a/tests/image_prep/host_vars/centos6.yml
+++ b/tests/image_prep/host_vars/centos6.yml
@@ -1,6 +1,27 @@
 bootstrap_packages: [python]
 
-docker_base: moreati/centos6-vault
+docker_base: centos:6
 
 packages:
   - perl-JSON
+
+package_manager_repos:
+  - dest: /etc/yum.repos.d/CentOS-Base.repo
+    content: |
+      [base]
+      name=CentOS-$releasever - Base
+      baseurl=http://vault.centos.org/6.10/os/$basearch/
+      gpgcheck=1
+      gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
+
+      [updates]
+      name=CentOS-$releasever - Updates
+      baseurl=http://vault.centos.org/6.10/updates/$basearch/
+      gpgcheck=1
+      gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
+
+      [extras]
+      name=CentOS-$releasever - Extras
+      baseurl=http://vault.centos.org/6.10/extras/$basearch/
+      gpgcheck=1
+      gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
diff --git a/tests/image_prep/host_vars/centos7.yml b/tests/image_prep/host_vars/centos7.yml
index fec83471..513e4bb9 100644
--- a/tests/image_prep/host_vars/centos7.yml
+++ b/tests/image_prep/host_vars/centos7.yml
@@ -6,3 +6,24 @@ packages:
   - perl-JSON
   - python-virtualenv
   - python3
+
+package_manager_repos:
+  - dest: /etc/yum.repos.d/CentOS-Base.repo
+    content: |
+      [base]
+      name=CentOS-$releasever - Base
+      baseurl=http://vault.centos.org/$contentdir/$releasever/os/$basearch/
+      gpgcheck=1
+      gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
+
+      [updates]
+      name=CentOS-$releasever - Updates
+      baseurl=http://vault.centos.org/$contentdir/$releasever/updates/$basearch/
+      gpgcheck=1
+      gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
+
+      [extras]
+      name=CentOS-$releasever - Extras
+      baseurl=http://vault.centos.org/$contentdir/$releasever/extras/$basearch/
+      gpgcheck=1
+      gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
diff --git a/tests/image_prep/host_vars/centos8.yml b/tests/image_prep/host_vars/centos8.yml
index 17eccd01..baccafea 100644
--- a/tests/image_prep/host_vars/centos8.yml
+++ b/tests/image_prep/host_vars/centos8.yml
@@ -6,5 +6,29 @@ packages:
   - perl-JSON
   - python2-virtualenv
   - python3-virtualenv
-  - python36
-  - python38
+
+package_manager_repos:
+  - dest: /etc/yum.repos.d/CentOS-Linux-AppStream.repo
+    content: |
+      [appstream]
+      name=CentOS Linux $releasever - AppStream
+      baseurl=http://vault.centos.org/$contentdir/$releasever/AppStream/$basearch/os/
+      enabled=1
+      gpgcheck=1
+      gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
+  - dest: /etc/yum.repos.d/CentOS-Linux-BaseOS.repo
+    content: |
+      [baseos]
+      name=CentOS Linux $releasever - BaseOS
+      baseurl=http://vault.centos.org/$contentdir/$releasever/BaseOS/$basearch/os/
+      enabled=1
+      gpgcheck=1
+      gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
+  - dest: /etc/yum.repos.d/CentOS-Linux-Extras.repo
+    content: |
+      [extras]
+      name=CentOS Linux $releasever - Extras
+      baseurl=http://vault.centos.org/$contentdir/$releasever/extras/$basearch/os/
+      enabled=1
+      gpgcheck=1
+      gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
diff --git a/tests/image_prep/host_vars/debian10.yml b/tests/image_prep/host_vars/debian10.yml
index 1b03d6a2..3e3c000f 100644
--- a/tests/image_prep/host_vars/debian10.yml
+++ b/tests/image_prep/host_vars/debian10.yml
@@ -1,4 +1,4 @@
-bootstrap_packages: [python]
+bootstrap_packages: [python, python-apt]
 
 docker_base: debian:10
 
@@ -9,3 +9,11 @@ packages:
   - python3
   - python3-virtualenv
   - virtualenv
+
+package_manager_repos:
+  - dest: /etc/apt/sources.list
+    content: |
+      deb http://archive.debian.org/debian/ buster main non-free contrib
+      deb http://archive.debian.org/debian/ buster-updates main non-free contrib
+      deb http://archive.debian.org/debian/ buster-proposed-updates main non-free contrib
+      deb http://security.debian.org/ buster/updates main non-free contrib
diff --git a/tests/image_prep/host_vars/debian11.yml b/tests/image_prep/host_vars/debian11.yml
index 5ab2d761..55d34ae4 100644
--- a/tests/image_prep/host_vars/debian11.yml
+++ b/tests/image_prep/host_vars/debian11.yml
@@ -1,11 +1,18 @@
 bootstrap_packages: [python3, python3-apt]
 
-docker_base: debian:bullseye
+docker_base: debian:11
 
 packages:
+  - doas
   - libjson-perl
   - locales
   - python-is-python3
   - python2
   - python3-virtualenv
   - virtualenv
+
+package_manager_keys:
+  - src: debian-archive-bullseye-automatic.gpg  # Debian 11
+    dest: /etc/apt/trusted.gpg.d/
+  - src: debian-archive-bookworm-automatic.gpg  # Debian 12
+    dest: /etc/apt/trusted.gpg.d/
diff --git a/tests/image_prep/host_vars/debian12.yml b/tests/image_prep/host_vars/debian12.yml
new file mode 100644
index 00000000..8c4afc66
--- /dev/null
+++ b/tests/image_prep/host_vars/debian12.yml
@@ -0,0 +1,8 @@
+bootstrap_packages: [python3, python3-apt]
+docker_base: debian:12
+
+packages:
+  - libjson-perl
+  - locales
+  - opendoas
+  - virtualenv
diff --git a/tests/image_prep/host_vars/debian9.yml b/tests/image_prep/host_vars/debian9.yml
index cbd22e0f..6676d7ce 100644
--- a/tests/image_prep/host_vars/debian9.yml
+++ b/tests/image_prep/host_vars/debian9.yml
@@ -1,4 +1,4 @@
-bootstrap_packages: [python]
+bootstrap_packages: [python, python-apt]
 
 docker_base: debian:9
 
@@ -9,3 +9,10 @@ packages:
   - python3
   - python3-virtualenv
   - virtualenv
+
+package_manager_repos:
+  - dest: /etc/apt/sources.list
+    content: |
+      deb http://archive.debian.org/debian/ stretch main contrib non-free
+      deb http://archive.debian.org/debian/ stretch-proposed-updates main contrib non-free
+      deb http://archive.debian.org/debian-security stretch/updates main contrib non-free
diff --git a/tests/image_prep/host_vars/ubuntu1604.yml b/tests/image_prep/host_vars/ubuntu1604.yml
index 461e522d..6afe326f 100644
--- a/tests/image_prep/host_vars/ubuntu1604.yml
+++ b/tests/image_prep/host_vars/ubuntu1604.yml
@@ -1,4 +1,4 @@
-bootstrap_packages: [python]
+bootstrap_packages: [python, python-apt]
 
 docker_base: ubuntu:16.04
 
diff --git a/tests/image_prep/host_vars/ubuntu1804.yml b/tests/image_prep/host_vars/ubuntu1804.yml
index 4c913e2d..e174cbb8 100644
--- a/tests/image_prep/host_vars/ubuntu1804.yml
+++ b/tests/image_prep/host_vars/ubuntu1804.yml
@@ -1,4 +1,4 @@
-bootstrap_packages: [python]
+bootstrap_packages: [python, python-apt]
 
 docker_base: ubuntu:18.04
 
diff --git a/tests/image_prep/host_vars/ubuntu2004.yml b/tests/image_prep/host_vars/ubuntu2004.yml
index 4ee5b331..f8179f1d 100644
--- a/tests/image_prep/host_vars/ubuntu2004.yml
+++ b/tests/image_prep/host_vars/ubuntu2004.yml
@@ -1,4 +1,4 @@
-bootstrap_packages: [python3]
+bootstrap_packages: [python3, python3-apt]
 
 docker_base: ubuntu:20.04
 
diff --git a/tests/image_prep/host_vars/ubuntu2204.yml b/tests/image_prep/host_vars/ubuntu2204.yml
new file mode 100644
index 00000000..e8a21c65
--- /dev/null
+++ b/tests/image_prep/host_vars/ubuntu2204.yml
@@ -0,0 +1,10 @@
+bootstrap_packages: [python3, python3-apt]
+docker_base: ubuntu:22.04
+
+packages:
+  - doas
+  - libjson-perl
+  - locales
+  - python2
+  - python3-virtualenv
+  - virtualenv
diff --git a/tests/image_prep/host_vars/ubuntu2404.yml b/tests/image_prep/host_vars/ubuntu2404.yml
new file mode 100644
index 00000000..76eefc5f
--- /dev/null
+++ b/tests/image_prep/host_vars/ubuntu2404.yml
@@ -0,0 +1,9 @@
+bootstrap_packages: [python3, python3-apt]
+docker_base: ubuntu:24.04
+
+packages:
+  - libjson-perl
+  - locales
+  - opendoas
+  - python3-virtualenv
+  - virtualenv
diff --git a/tests/image_prep/hosts.ini b/tests/image_prep/hosts.ini
index 68f8be62..254643a7 100644
--- a/tests/image_prep/hosts.ini
+++ b/tests/image_prep/hosts.ini
@@ -1,4 +1,5 @@
 [all:children]
+alma
 centos
 debian
 ubuntu
@@ -6,6 +7,9 @@ ubuntu
 [all:vars]
 ansible_connection = docker
 
+[alma]
+alma9
+
 [centos]
 centos5
 centos6
@@ -16,8 +20,36 @@ centos8
 debian9
 debian10
 debian11
+debian12
 
 [ubuntu]
 ubuntu1604
 ubuntu1804
 ubuntu2004
+ubuntu2204
+ubuntu2404
+
+[ansible_2_3]
+# Python 2.4 on targets
+centos5
+
+[ansible_5]
+# Python 2.6 on targets
+centos6
+
+[ansible_9]
+# Python 2.7 and/or 3.6 on targets
+centos7
+centos8
+debian9
+debian10
+ubuntu1804
+
+[ansible_11]
+# Python >= 3.8 on targets
+alma9
+debian11
+debian12
+ubuntu2004
+ubuntu2204
+ubuntu2404
diff --git a/tests/image_prep/roles/bootstrap/defaults/main.yml b/tests/image_prep/roles/bootstrap/defaults/main.yml
new file mode 100644
index 00000000..198a6135
--- /dev/null
+++ b/tests/image_prep/roles/bootstrap/defaults/main.yml
@@ -0,0 +1,2 @@
+bootstrap_packages: []
+package_manager_repos: []
diff --git a/tests/image_prep/roles/bootstrap/tasks/main.yml b/tests/image_prep/roles/bootstrap/tasks/main.yml
new file mode 100644
index 00000000..5ecaa49d
--- /dev/null
+++ b/tests/image_prep/roles/bootstrap/tasks/main.yml
@@ -0,0 +1,3 @@
+- name: Bootstrap
+  raw: "{{ lookup('template', 'bootstrap.sh.j2') }}"
+  changed_when: true
diff --git a/tests/image_prep/roles/bootstrap/templates/bootstrap.sh.j2 b/tests/image_prep/roles/bootstrap/templates/bootstrap.sh.j2
new file mode 100644
index 00000000..0d25a95b
--- /dev/null
+++ b/tests/image_prep/roles/bootstrap/templates/bootstrap.sh.j2
@@ -0,0 +1,21 @@
+set -o errexit
+set -o nounset
+
+{% for item in package_manager_repos %}
+cat << "EOF" > "{{ item.dest }}"
+{{ item.content }}
+EOF
+{% endfor %}
+
+{% if bootstrap_packages %}
+if command -v apt-get; then
+  apt-get -y update
+  apt-get -y --no-install-recommends install {{ bootstrap_packages | join(' ') }}
+elif command -v dnf; then
+  dnf -y install {{ bootstrap_packages | join(' ') }}
+elif command -v yum; then
+  yum -y install {{ bootstrap_packages | join(' ') }}
+else
+  exit 42
+fi
+{% endif %}
diff --git a/tests/image_prep/roles/container_host/handlers/main.yml b/tests/image_prep/roles/container_host/handlers/main.yml
new file mode 100644
index 00000000..60c76cee
--- /dev/null
+++ b/tests/image_prep/roles/container_host/handlers/main.yml
@@ -0,0 +1,6 @@
+- name: Update GRUB
+  command: update-grub
+  changed_when: true
+
+- name: Reboot
+  reboot:
diff --git a/tests/image_prep/roles/container_host/tasks/main.yml b/tests/image_prep/roles/container_host/tasks/main.yml
new file mode 100644
index 00000000..c7736790
--- /dev/null
+++ b/tests/image_prep/roles/container_host/tasks/main.yml
@@ -0,0 +1,27 @@
+# > If running `docker run --rm -it centos:centos6.7 bash` immediately exits
+# > with status code 139, check to see if your system has disabled vsyscall:
+# > ...
+# > If you do not see a vsyscall mapping, and you need to run a CentOS 6
+# > container, try adding vsyscall=emulated to the kernel options.
+# > -- https://hub.docker.com/_/centos
+
+- name: Check vsyscall enabled
+  command:
+    cmd: grep -c vsyscall /proc/self/maps
+  register: grep_self_maps_result
+  changed_when: false
+  check_mode: false
+  failed_when:
+    # 0 -> match, 1 -> no match, 2 -> error
+    - grep_self_maps_result.rc not in [0, 1]
+
+- name: Enable vsyscall
+  lineinfile:
+    path: /etc/default/grub
+    regexp: '^GRUB_CMDLINE_LINUX_DEFAULT.+'
+    line: GRUB_CMDLINE_LINUX_DEFAULT="quiet vsyscall=emulate"
+  when:
+    - grep_self_maps_result.rc != 0
+  notify:
+    - Update GRUB
+    - Reboot
diff --git a/tests/image_prep/roles/packages/defaults/main.yml b/tests/image_prep/roles/packages/defaults/main.yml
new file mode 100644
index 00000000..c6ee8cc4
--- /dev/null
+++ b/tests/image_prep/roles/packages/defaults/main.yml
@@ -0,0 +1,14 @@
+common_packages: []
+packages: []
+
+packages_clean_command:
+    apt: apt-get clean
+    dnf: dnf clean all
+    yum: yum clean all
+
+packages_cleanup_directories:
+    apt:
+      - /var/cache/apt
+      - /var/lib/apt/lists
+    dnf: []
+    yum: []
diff --git a/tests/image_prep/roles/packages/tasks/main.yml b/tests/image_prep/roles/packages/tasks/main.yml
new file mode 100644
index 00000000..30076690
--- /dev/null
+++ b/tests/image_prep/roles/packages/tasks/main.yml
@@ -0,0 +1,35 @@
+- name: Ensure requisite apt packages are installed
+  apt:
+    name: "{{ common_packages + packages }}"
+    state: present
+    install_recommends: false
+    update_cache: true
+  when:
+    - ansible_pkg_mgr == 'apt'
+
+- name: Ensure requisite yum packages are installed
+  yum:
+    name: "{{ common_packages + packages }}"
+    state: present
+    update_cache: true
+  when:
+    - ansible_pkg_mgr == 'yum'
+
+- name: Ensure requisite dnf packages are installed
+  dnf:
+    name: "{{ common_packages + packages }}"
+    state: present
+    update_cache: true
+  when:
+    - ansible_pkg_mgr == 'dnf'
+
+- name: Clean up package cache
+  command:
+    cmd: "{{ packages_clean_command[ansible_pkg_mgr] }}"
+  changed_when: true
+
+- name: Clean up package directories
+  shell:
+    rm -rf {{ item }}/*
+  with_items: "{{ packages_cleanup_directories }}"
+  changed_when: true
diff --git a/tests/image_prep/roles/sshd_container/handlers/main.yml b/tests/image_prep/roles/sshd_container/handlers/main.yml
index cc7b9166..79902ed6 100644
--- a/tests/image_prep/roles/sshd_container/handlers/main.yml
+++ b/tests/image_prep/roles/sshd_container/handlers/main.yml
@@ -1,2 +1,4 @@
 - name: Restart sshd
-  meta: noop
+  command: "true"
+  changed_when: false
+  check_mode: false
diff --git a/tests/image_prep/setup.yml b/tests/image_prep/setup.yml
index b820e1bc..afe189a5 100755
--- a/tests/image_prep/setup.yml
+++ b/tests/image_prep/setup.yml
@@ -1,6 +1,17 @@
 #!/usr/bin/env ansible-playbook
 
-- include_playbook: _container_create.yml
-- include_playbook: _container_setup.yml
-- include_playbook: _user_accounts.yml
-- include_playbook: _container_finalize.yml
+- name: Get base images
+  hosts: all
+  # strategy: mitogen_free
+  gather_facts: false
+  tasks:
+    - name: Fetch container base images
+      docker_image:
+        name: "{{ docker_base }}"
+        source: pull  # Added in Ansible 2.8, required circa 2.12
+      delegate_to: localhost
+
+- import_playbook: _container_create.yml
+- import_playbook: _container_setup.yml
+- import_playbook: _user_accounts.yml
+- import_playbook: _container_finalize.yml
diff --git a/tests/image_prep/setup_ansible2.3.yml b/tests/image_prep/setup_ansible2.3.yml
new file mode 100644
index 00000000..cc7025c8
--- /dev/null
+++ b/tests/image_prep/setup_ansible2.3.yml
@@ -0,0 +1,15 @@
+#!/usr/bin/env ansible-playbook
+
+- name: Get base images
+  hosts: all
+  gather_facts: false
+  tasks:
+    - name: Fetch container base images
+      docker_image:
+        name: "{{ docker_base }}"
+      delegate_to: localhost
+
+- include: _container_create.yml
+- include: _container_setup.yml
+- include: _user_accounts.yml
+- include: _container_finalize.yml
diff --git a/tests/image_prep/tox.ini b/tests/image_prep/tox.ini
index d28d1512..2e32cdce 100644
--- a/tests/image_prep/tox.ini
+++ b/tests/image_prep/tox.ini
@@ -1,7 +1,9 @@
 [tox]
 envlist =
     ansible2.3,
-    ansible2.10,
+    ansible5
+    ansible9
+    ansible11
 skipsdist = true
 
 [testenv]
@@ -13,17 +15,47 @@ basepython = python2
 deps =
     ansible>=2.3,<2.4
     docker-py>=1.7.0
-    mitogen>=0.2.10rc1,<0.3
+    mitogen~=0.2.0
 install_command =
     python -m pip --no-python-version-warning install {opts} {packages}
 commands =
-    ./setup.yml -i hosts.ini -l 'localhost,centos5' {posargs}
+    ansible-playbook -l 'localhost,ansible_2_3' setup_ansible2.3.yml
 
-[testenv:ansible2.10]
+[testenv:ansible5]
 basepython = python3
 deps =
-    ansible>=2.10,<2.11
+    ansible~=5.0
     docker>=1.8.0
-    mitogen>=0.3.0rc1,<0.4
+    mitogen~=0.3.0
+    passlib
+setenv =
+    ANSIBLE_PYTHON_INTERPRETER=auto_silent
+    ANSIBLE_STDOUT_CALLBACK=yaml
+commands =
+    ansible-playbook -l 'localhost,ansible_5' setup.yml
+
+[testenv:ansible9]
+basepython = python3
+deps =
+    ansible~=9.0
+    docker>=1.8.0
+    mitogen~=0.3.0
+    passlib
+setenv =
+    ANSIBLE_PYTHON_INTERPRETER=auto_silent
+    ANSIBLE_STDOUT_CALLBACK=yaml
+commands =
+    ansible-playbook -l 'localhost,ansible_9' setup.yml
+
+[testenv:ansible11]
+basepython = python3
+deps =
+    ansible~=11.0
+    docker>=1.8.0
+    mitogen~=0.3.0
+    passlib
+setenv =
+    ANSIBLE_PYTHON_INTERPRETER=auto_silent
+    ANSIBLE_STDOUT_CALLBACK=yaml
 commands =
-    ./setup.yml -i hosts.ini  -l '!centos5' {posargs}
+    ansible-playbook -l 'localhost,ansible_11' setup.yml
diff --git a/tests/testlib.py b/tests/testlib.py
index 3b5dc8b6..15016964 100644
--- a/tests/testlib.py
+++ b/tests/testlib.py
@@ -53,11 +53,11 @@ LOG = logging.getLogger(__name__)
 
 DISTRO_SPECS = os.environ.get(
     'MITOGEN_TEST_DISTRO_SPECS',
-    'centos6 centos8 debian9 debian11 ubuntu1604 ubuntu2004',
+    'alma9-py3 centos5 centos8-py3 debian9 debian12-py3 ubuntu1604 ubuntu2404-py3',
 )
 IMAGE_TEMPLATE = os.environ.get(
     'MITOGEN_TEST_IMAGE_TEMPLATE',
-    'ghcr.io/mitogen-hq/%(distro)s-test:2021',
+    'ghcr.io/mitogen-hq/%(distro)s-test:2025.02',
 )
 
 TESTS_DIR =                     os.path.join(os.path.dirname(__file__))
@@ -725,6 +725,7 @@ class DockerMixin(RouterMixin):
             #   - tests/testlib.py
             'ssh_args': [
                 '-o', 'HostKeyAlgorithms +ssh-rsa',
+                '-o', 'KexAlgorithms +diffie-hellman-group1-sha1',
                 '-o', 'PubkeyAcceptedKeyTypes +ssh-rsa',
             ],
             'python_path': self.dockerized_ssh.python_path,
diff --git a/tox.ini b/tox.ini
index 08b2eb98..28c97496 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,8 +6,8 @@
 
 # Py   A cntrllr  A target   coverage   Django     Jinja2     pip        psutil     pytest     tox        virtualenv
 # ==== ========== ========== ========== ========== ========== ========== ========== ========== ========== ==========
-# 2.4             2.3?       <= 3.7.1   <= 1.3.7              <= 1.1     <= 2.1.3              <= 1.4     <= 1.8
-# 2.5                        <= 3.7.1   <= 1.4.22             <= 1.3.1   <= 2.1.3   <= 2.8.7   <= 1.6.1   <= 1.9.1
+# 2.4             <= 2.3³    <= 3.7.1   <= 1.3.7              <= 1.1     <= 2.1.3              <= 1.4     <= 1.8
+# 2.5             <= 2.3³    <= 3.7.1   <= 1.4.22             <= 1.3.1   <= 2.1.3   <= 2.8.7   <= 1.6.1   <= 1.9.1
 # 2.6  <= 2.6.20  <= 2.12    <= 4.5.4   <= 1.6.11  <= 2.10.3  <= 9.0.3   <= 5.9.0   <= 3.2.5   <= 2.9.1   <= 15.2.0
 # 2.7  <= 2.11    <= 2.16    <= 5.5     <= 1.11.29 <= 2.11.3  <= 20                 <= 4.6.11  <= 3.28    <= 20.15²
 # 3.5  <= 2.11    <= 2.15    <= 5.5     <= 2.2.28  <= 2.11.3  <= 20      <= 5.9.5   <= 6.1.0   <= 3.28    <= 20.15²
@@ -35,6 +35,8 @@
 #    Virtualenv <= 20.21.1 supports creating virtualenvs with any *target* Python.
 #    Virtualenv >= 20.22 supports creating virtualenvs with target Python >= 3.7.
 #    https://virtualenv.pypa.io/en/latest/#compatibility
+#
+# 3. https://docs.ansible.com/ansible/2.7/dev_guide/developing_python_3.html#minimum-version-of-python-3-x-and-python-2-x
 
 # Ansible            Dependency
 # ================== ======================
@@ -121,30 +123,18 @@ setenv =
     ans{2.10,3,4,5}: ANSIBLE_STDOUT_CALLBACK=yaml
     # Print warning on the first occurence at each module:linenno in Mitogen. Available Python 2.7, 3.2+.
     PYTHONWARNINGS=default:::ansible_mitogen,default:::mitogen
+    ans{2.10,3,4,5}: MITOGEN_TEST_DISTRO_SPECS=alma9-py3 centos6 centos8-py3 debian9 debian12-py3 ubuntu1604 ubuntu2204-py3
     # Ansible 6 - 8 (ansible-core 2.13 - 2.15) require Python 2.7 or >= 3.5 on targets
-    ans{6,7,8}: MITOGEN_TEST_DISTRO_SPECS=centos7 centos8 debian9 debian10 debian11 ubuntu1604 ubuntu1804 ubuntu2004
+    ans{6,7,8}: MITOGEN_TEST_DISTRO_SPECS=alma9-py3 centos7 centos8-py3 debian9 debian10 debian12-py3 ubuntu1604 ubuntu1804 ubuntu2404-py3
     # Ansible 9 (ansible-core 2.16) requires Python 2.7 or >= 3.6 on targets
-    ans9: MITOGEN_TEST_DISTRO_SPECS=centos7 centos8 debian9 debian10 debian11 ubuntu1804 ubuntu2004
+    ans9: MITOGEN_TEST_DISTRO_SPECS=alma9-py3 centos7 centos8-py3 debian9 debian10 debian12-py3 ubuntu1804 ubuntu2404-py3
     # Ansible 10 (ansible-core 2.17) requires Python >= 3.7 on targets
-    ans10: MITOGEN_TEST_DISTRO_SPECS=debian10-py3 debian11-py3 ubuntu2004-py3
+    ans10: MITOGEN_TEST_DISTRO_SPECS=alma9-py3 debian10-py3 debian12-py3 ubuntu2404-py3
     # Ansible 11 (ansible-core 2.18) requires Python >= 3.8 on targets
-    ans11: MITOGEN_TEST_DISTRO_SPECS=debian11-py3 ubuntu2004-py3
-    ans12: MITOGEN_TEST_DISTRO_SPECS=debian11-py3 ubuntu2004-py3
+    ans11: MITOGEN_TEST_DISTRO_SPECS=alma9-py3 debian12-py3 ubuntu2004-py3
+    ans12: MITOGEN_TEST_DISTRO_SPECS=alma9-py3 debian12-py3 ubuntu2404-py3
     # Ansible 13 (ansible-core 2.20) requires Python >= 3.9 on targets
-    ans13: MITOGEN_TEST_DISTRO_SPECS=debian11-py3
-    distros_centos: MITOGEN_TEST_DISTRO_SPECS=centos6 centos7 centos8
-    distros_centos5: MITOGEN_TEST_DISTRO_SPECS=centos5
-    distros_centos6: MITOGEN_TEST_DISTRO_SPECS=centos6
-    distros_centos7: MITOGEN_TEST_DISTRO_SPECS=centos7
-    distros_centos8: MITOGEN_TEST_DISTRO_SPECS=centos8
-    distros_debian: MITOGEN_TEST_DISTRO_SPECS=debian9 debian10 debian11
-    distros_debian9: MITOGEN_TEST_DISTRO_SPECS=debian9
-    distros_debian10: MITOGEN_TEST_DISTRO_SPECS=debian10
-    distros_debian11: MITOGEN_TEST_DISTRO_SPECS=debian11
-    distros_ubuntu: MITOGEN_TEST_DISTRO_SPECS=ubuntu1604 ubuntu1804 ubuntu2004
-    distros_ubuntu1604: MITOGEN_TEST_DISTRO_SPECS=ubuntu1604
-    distros_ubuntu1804: MITOGEN_TEST_DISTRO_SPECS=ubuntu1804
-    distros_ubuntu2004: MITOGEN_TEST_DISTRO_SPECS=ubuntu2004
+    ans13: MITOGEN_TEST_DISTRO_SPECS=alma9-py3 debian12-py3 ubuntu2404-py3
     m_ans: MODE=ansible
     m_ans: ANSIBLE_SKIP_TAGS=resource_intensive
     m_ans: ANSIBLE_CALLBACK_WHITELIST=profile_tasks