diff --git a/python/ironic-understack/ironic_understack/redfish_inspect_understack.py b/python/ironic-understack/ironic_understack/redfish_inspect_understack.py
index dd575e505..63785e7e9 100644
--- a/python/ironic-understack/ironic_understack/redfish_inspect_understack.py
+++ b/python/ironic-understack/ironic_understack/redfish_inspect_understack.py
@@ -9,9 +9,7 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
 # under the License.
-"""
-Redfish Inspect Interface modified for Understack
-"""
+"""Redfish Inspect Interface modified for Understack."""
 
 import re
 
@@ -23,10 +21,11 @@
 from ironic.drivers.modules.inspect_utils import get_inspection_data
 from ironic.drivers.modules.redfish.inspect import RedfishInspect
 from ironic.drivers.redfish import RedfishHardware
-from ironic_understack.conf import CONF
 from oslo_log import log
 from oslo_utils import units
 
+from ironic_understack.conf import CONF
+
 LOG = log.getLogger(__name__)
 FLAVORS = FlavorSpec.from_directory(CONF.ironic_understack.flavors_dir)
 LOG.info(f"Loaded {len(FLAVORS)} flavor specifications.")
@@ -111,10 +110,8 @@ def __init__(self, *args, **kwargs) -> None:
         super().__init__(*args, **kwargs)
         patched_ifaces = RedfishHardware().supported_inspect_interfaces
         patched_ifaces.append(UnderstackDracRedfishInspect)
-        setattr(
-            RedfishHardware,
-            "supported_inspect_interfaces",
-            property(lambda _: patched_ifaces),
+        RedfishHardware.supported_inspect_interfaces = property(
+            lambda _: patched_ifaces
         )
 
 
@@ -123,8 +120,4 @@ def __init__(self, *args, **kwargs) -> None:
         super().__init__(*args, **kwargs)
         patched_ifaces = IDRACHardware().supported_inspect_interfaces
         patched_ifaces.append(UnderstackDracRedfishInspect)
-        setattr(
-            IDRACHardware,
-            "supported_inspect_interfaces",
-            property(lambda _: patched_ifaces),
-        )
+        IDRACHardware.supported_inspect_interfaces = property(lambda _: patched_ifaces)
diff --git a/python/ironic-understack/ironic_understack/resource_class.py b/python/ironic-understack/ironic_understack/resource_class.py
index 3f5955c9f..08785789b 100644
--- a/python/ironic-understack/ironic_understack/resource_class.py
+++ b/python/ironic-understack/ironic_understack/resource_class.py
@@ -1,12 +1,14 @@
 # from ironic.drivers.modules.inspector.hooks import base
-from ironic.common import exception
-from ironic.drivers.modules.inspector.hooks import base
-from ironic_understack.conf import CONF
+import re
+
 from flavor_matcher.flavor_spec import FlavorSpec
 from flavor_matcher.machine import Machine
 from flavor_matcher.matcher import Matcher
+from ironic.common import exception
+from ironic.drivers.modules.inspector.hooks import base
 from oslo_log import log as logging
-import re
+
+from ironic_understack.conf import CONF
 
 LOG = logging.getLogger(__name__)
 
@@ -23,7 +25,6 @@ class UndercloudResourceClassHook(base.InspectionHook):
 
     def __call__(self, task, inventory, plugin_data):
         """Update node resource_class with deducted flavor."""
-
         try:
             memory_mb = inventory["memory"]["physical_mb"]
             disk_size_gb = int(int(inventory["disks"][0]["size"]) / 10**9)
@@ -60,7 +61,9 @@ def __call__(self, task, inventory, plugin_data):
                 f"Inventory has missing hardware information for node {task.node.uuid}."
             )
             LOG.error(msg)
-            raise exception.InvalidNodeInventory(node=task.node.uuid, reason=msg)
+            raise exception.InvalidNodeInventory(
+                node=task.node.uuid, reason=msg
+            ) from None
         except NoMatchError:
             msg = f"No matching flavor found for {task.node.uuid}"
             LOG.error(msg)
diff --git a/python/ironic-understack/pyproject.toml b/python/ironic-understack/pyproject.toml
index 65a2ed6d5..11810bae6 100644
--- a/python/ironic-understack/pyproject.toml
+++ b/python/ironic-understack/pyproject.toml
@@ -1,3 +1,7 @@
+[build-system]
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"
+
 [tool.poetry]
 name = "ironic-understack"
 version = "0.0.0"
@@ -10,8 +14,9 @@ packages = [
 ]
 
 [tool.poetry.dependencies]
-ironic = ">=24.1"
+# keep this python field in sync with the tool.ruff.target-version
 python = "^3.10"
+ironic = ">=24.1"
 pyyaml = "^6.0"
 understack-flavor-matcher = {path = "../understack-flavor-matcher"}
 
@@ -20,10 +25,6 @@ pytest = "^8.3.2"
 pytest-github-actions-annotate-failures = "*"
 pytest-cov = "^5.0.0"
 
-[build-system]
-requires = ["poetry-core"]
-build-backend = "poetry.core.masonry.api"
-
 [tool.poetry.plugins."ironic.inspection.hooks"]
 "resource-class" = "ironic_understack.resource_class:UndercloudResourceClassHook"
 
@@ -44,9 +45,35 @@ fix = true
 
 [tool.ruff.lint]
 select = [
+  "D",       # pydocstyle
+  "E",       # pycodestyle (error)
+  "F",       # pyflakes
+  "B",       # flake8-bugbear
+  "I",       # isort
   "S",       # flake8-bandit
+  "UP",      # pyupgrade
+  "ASYNC",   # flake8-async
+]
+
+ignore = [
+    "D100",  # don't require docs for every module
+    "D101",  # don't require docs for every class
+    "D102",  # don't require docs for every class method
+    "D103",  # don't require docs for every function
+    "D104",  # don't require docs for every package
+    "D106",  # don't require docs for every nested class
+    "D107",  # don't require docs for __init__
+    "D417"   # don't require docs for every function parameter
 ]
 
+[tool.ruff.lint.isort]
+force-single-line = true
+
+
+[tool.ruff.lint.pydocstyle]
+# enable the google doc style rules by default
+convention = "google"
+
 [tool.ruff.lint.per-file-ignores]
 "ironic_understack/tests/*.py" = [
     "S101",     # allow 'assert' for pytest
diff --git a/python/neutron-understack/neutron_understack/neutron_understack_mech.py b/python/neutron-understack/neutron_understack/neutron_understack_mech.py
index 1a595d870..8abb5a02c 100644
--- a/python/neutron-understack/neutron_understack/neutron_understack_mech.py
+++ b/python/neutron-understack/neutron_understack/neutron_understack_mech.py
@@ -6,12 +6,10 @@
 import neutron_lib.api.definitions.portbindings as portbindings
 from neutron_lib import constants as p_const
 from neutron_lib.plugins.ml2 import api
-from neutron_lib.plugins.ml2.api import (
-    MechanismDriver,
-    NetworkContext,
-    PortContext,
-    SubnetContext,
-)
+from neutron_lib.plugins.ml2.api import MechanismDriver
+from neutron_lib.plugins.ml2.api import NetworkContext
+from neutron_lib.plugins.ml2.api import PortContext
+from neutron_lib.plugins.ml2.api import SubnetContext
 from oslo_config import cfg
 
 from neutron_understack import config
diff --git a/python/neutron-understack/neutron_understack/tests/test_neutron_understack_mech.py b/python/neutron-understack/neutron_understack/tests/test_neutron_understack_mech.py
index 6f632a870..b646b965a 100644
--- a/python/neutron-understack/neutron_understack/tests/test_neutron_understack_mech.py
+++ b/python/neutron-understack/neutron_understack/tests/test_neutron_understack_mech.py
@@ -1,5 +1,6 @@
 import json
-from unittest.mock import MagicMock, patch
+from unittest.mock import MagicMock
+from unittest.mock import patch
 
 import pytest
 
diff --git a/python/neutron-understack/pyproject.toml b/python/neutron-understack/pyproject.toml
index f9299a3ff..1887ae5f6 100644
--- a/python/neutron-understack/pyproject.toml
+++ b/python/neutron-understack/pyproject.toml
@@ -23,11 +23,8 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
 ]
 
-[tool.ruff]
-target-version = "py310"
-fix = true
-
 [tool.poetry.dependencies]
+# keep this python field in sync with the tool.ruff.target-version
 python = "^3.10"
 requests = "^2"
 neutron-lib = "^3"
@@ -42,9 +39,9 @@ minversion = "6.0"
 addopts = "-ra"
 filterwarnings = "ignore::DeprecationWarning"
 
-
-[tool.isort]
-profile = "open_stack"
+[tool.ruff]
+target-version = "py310"
+fix = true
 
 [tool.ruff.lint]
 select = [
@@ -64,9 +61,14 @@ ignore = [
     "D102",  # don't require docs for every class method
     "D103",  # don't require docs for every function
     "D104",  # don't require docs for every package
+    "D106",  # don't require docs for every nested class
+    "D107",  # don't require docs for __init__
     "D417"   # don't require docs for every function parameter
 ]
 
+[tool.ruff.lint.isort]
+force-single-line = true
+
 [tool.ruff.lint.pydocstyle]
 # enable the google doc style rules by default
 convention = "google"
diff --git a/python/understack-flavor-matcher/flavor_matcher/flavor_spec.py b/python/understack-flavor-matcher/flavor_matcher/flavor_spec.py
index b79699082..cf16c3452 100644
--- a/python/understack-flavor-matcher/flavor_matcher/flavor_spec.py
+++ b/python/understack-flavor-matcher/flavor_matcher/flavor_spec.py
@@ -3,6 +3,7 @@
 from dataclasses import dataclass
 
 import yaml
+
 from flavor_matcher.machine import Machine
 
 
@@ -50,7 +51,7 @@ def baremetal_nova_resource_class(self):
 
     @property
     def memory_mib(self):
-        """Returns memory size in MiB"""
+        """Returns memory size in MiB."""
         return self.memory_gb * 1024
 
     @staticmethod
@@ -61,7 +62,7 @@ def from_directory(directory: str = "/etc/flavors/") -> list["FlavorSpec"]:
                 if filename.endswith(".yaml") or filename.endswith(".yml"):
                     filepath = os.path.join(root, filename)
                     try:
-                        with open(filepath, "r") as file:
+                        with open(filepath) as file:
                             yaml_content = file.read()
                             flavor_spec = FlavorSpec.from_yaml(yaml_content)
                             flavor_specs.append(flavor_spec)
@@ -97,11 +98,13 @@ def score_machine(self, machine: Machine):
         ):
             return 100
 
-        # Rule 2: If machine has less memory than specified in the flavor, it cannot be used
+        # Rule 2: If machine has less memory than specified in the
+        # flavor, it cannot be used
         if machine.memory_gb < self.memory_gb:
             return 0
 
-        # Rule 3: If machine has smaller disk than specified in the flavor, it cannot be used
+        # Rule 3: If machine has smaller disk than specified in the
+        # flavor, it cannot be used
         if any(machine.disk_gb < drive for drive in self.drives):
             return 0
 
diff --git a/python/understack-flavor-matcher/flavor_matcher/matcher.py b/python/understack-flavor-matcher/flavor_matcher/matcher.py
index 5e009f31b..fac5be3be 100644
--- a/python/understack-flavor-matcher/flavor_matcher/matcher.py
+++ b/python/understack-flavor-matcher/flavor_matcher/matcher.py
@@ -1,5 +1,5 @@
-from flavor_matcher.machine import Machine
 from flavor_matcher.flavor_spec import FlavorSpec
+from flavor_matcher.machine import Machine
 
 
 class Matcher:
@@ -7,9 +7,7 @@ def __init__(self, flavors: list[FlavorSpec]):
         self.flavors = flavors
 
     def match(self, machine: Machine) -> list[FlavorSpec]:
-        """
-        Find list of all flavors that the machine is eligible for.
-        """
+        """Find list of all flavors that the machine is eligible for."""
         results = []
         for flavor in self.flavors:
             score = flavor.score_machine(machine)
@@ -18,11 +16,11 @@ def match(self, machine: Machine) -> list[FlavorSpec]:
         return results
 
     def pick_best_flavor(self, machine: Machine) -> FlavorSpec | None:
-        """
-        Obtains list of all flavors that particular machine can be classified
-        as, then tries to select "the best" one.
-        """
+        """Selects the best patching flavor.
 
+        Obtains list of all flavors that particular machine can be classified as,
+        then tries to select "the best" one.
+        """
         possible = self.match(machine)
 
         if len(possible) == 0:
diff --git a/python/understack-flavor-matcher/pyproject.toml b/python/understack-flavor-matcher/pyproject.toml
index 09a9a91e7..5eb1fd2b1 100644
--- a/python/understack-flavor-matcher/pyproject.toml
+++ b/python/understack-flavor-matcher/pyproject.toml
@@ -1,3 +1,7 @@
+[build-system]
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"
+
 [tool.poetry]
 name = "understack-flavor-matcher"
 version = "0.0.0"
@@ -10,6 +14,7 @@ packages = [
 ]
 
 [tool.poetry.dependencies]
+# keep this python field in sync with the tool.ruff.target-version
 python = "^3.10"
 pyyaml = "^6.0"
 
@@ -18,13 +23,48 @@ pytest = "^8.3.2"
 pytest-github-actions-annotate-failures = "*"
 pytest-cov = "^5.0.0"
 
-[build-system]
-requires = ["poetry-core"]
-build-backend = "poetry.core.masonry.api"
-
 [tool.pytest.ini_options]
 minversion = "6.0"
 addopts = "-ra --cov=flavor_matcher"
 testpaths = [
     "tests",
 ]
+
+[tool.ruff]
+target-version = "py310"
+fix = true
+
+[tool.ruff.lint]
+select = [
+  "D",       # pydocstyle
+  "E",       # pycodestyle (error)
+  "F",       # pyflakes
+  "B",       # flake8-bugbear
+  "I",       # isort
+  "S",       # flake8-bandit
+  "UP",      # pyupgrade
+  "ASYNC",   # flake8-async
+]
+
+ignore = [
+    "D100",  # don't require docs for every module
+    "D101",  # don't require docs for every class
+    "D102",  # don't require docs for every class method
+    "D103",  # don't require docs for every function
+    "D104",  # don't require docs for every package
+    "D106",  # don't require docs for every nested class
+    "D107",  # don't require docs for __init__
+    "D417"   # don't require docs for every function parameter
+]
+
+[tool.ruff.lint.isort]
+force-single-line = true
+
+[tool.ruff.lint.pydocstyle]
+# enable the google doc style rules by default
+convention = "google"
+
+[tool.ruff.lint.per-file-ignores]
+"tests/**/*.py" = [
+    "S101",     # allow 'assert' for pytest
+]
diff --git a/python/understack-flavor-matcher/tests/test_flavor_spec.py b/python/understack-flavor-matcher/tests/test_flavor_spec.py
index f0b5af755..f158f6bd8 100644
--- a/python/understack-flavor-matcher/tests/test_flavor_spec.py
+++ b/python/understack-flavor-matcher/tests/test_flavor_spec.py
@@ -3,6 +3,7 @@
 from unittest.mock import patch
 
 import pytest
+
 from flavor_matcher.flavor_spec import FlavorSpec
 from flavor_matcher.machine import Machine
 
@@ -56,7 +57,7 @@ def test_from_yaml(valid_yaml):
 
 
 def test_from_yaml_invalid(invalid_yaml):
-    with pytest.raises(Exception):
+    with pytest.raises(Exception):  # noqa:B017
         FlavorSpec.from_yaml(invalid_yaml)
 
 
@@ -312,7 +313,8 @@ def test_cpu_model_not_exact_but_memory_and_disk_match(flavors):
 
 
 def test_large_flavor_memory_slightly_less_disk_exact(flavors):
-    # Machine with slightly less memory than required for the medium flavor, exact disk space
+    # Machine with slightly less memory than required for the medium
+    # flavor, exact disk space
     machine = Machine(
         memory_mb=204600, cpu="Intel 80386DX", disk_gb=1800, model="Dell XPS1319"
     )
diff --git a/python/understack-flavor-matcher/tests/test_matcher.py b/python/understack-flavor-matcher/tests/test_matcher.py
index 452008849..fd0189e7e 100644
--- a/python/understack-flavor-matcher/tests/test_matcher.py
+++ b/python/understack-flavor-matcher/tests/test_matcher.py
@@ -1,4 +1,5 @@
 import pytest
+
 from flavor_matcher.flavor_spec import FlavorSpec
 from flavor_matcher.machine import Machine
 from flavor_matcher.matcher import Matcher
diff --git a/python/understack-workflows/pyproject.toml b/python/understack-workflows/pyproject.toml
index 231e65f05..ca0d4ac29 100644
--- a/python/understack-workflows/pyproject.toml
+++ b/python/understack-workflows/pyproject.toml
@@ -22,6 +22,7 @@ classifiers = [
 ]
 
 [tool.poetry.dependencies]
+# keep this python field in sync with the tool.ruff.target-version
 python = "~3.11.0"
 
 pydantic = "^2"
@@ -66,9 +67,6 @@ filterwarnings = [
 target-version = "py311"
 fix = true
 
-[tool.isort]
-profile = "open_stack"
-
 [tool.ruff.lint]
 select = [
   "D",       # pydocstyle