Dpdk: ring_ping allow re-initialization to force source build

lisa/util/__init__.py

@@ -391,6 +391,10 @@ class InitializableMixin:
                 self._is_initialized = False
                 raise identifier
 
+    def reinitialize(self, *args: Any, **kwargs: Any) -> None:
+        self._is_initialized = False
+        self.initialize()
+
 
 class BaseClassMixin:
     @classmethod

microsoft/testsuites/dpdk/common.py

@@ -192,7 +192,7 @@ class Installer:
         self._download_assets()
 
     # remove an installation
-    def _uninstall(self) -> None:
+    def uninstall(self) -> None:
         raise NotImplementedError(f"_clean_previous_installation {self._err_msg}")
 
     # install the dependencies
@@ -216,7 +216,7 @@ class Installer:
     def do_installation(self, required_version: Optional[VersionInfo] = None) -> None:
         self._setup_node()
         if self._should_install():
-            self._uninstall()
+            self.uninstall()
             self._install_dependencies()
             self._install()
 
@@ -243,7 +243,7 @@ class PackageManagerInstall(Installer):
         super().__init__(node, os_dependencies)
 
     # uninstall from the package manager
-    def _uninstall(self) -> None:
+    def uninstall(self) -> None:
         if not (isinstance(self._os, Posix) and self._check_if_installed()):
             return
         if self._os_dependencies is not None:

microsoft/testsuites/dpdk/dpdksuite.py

@@ -28,6 +28,7 @@ from lisa.tools.hugepages import HugePageSize
 from lisa.util.constants import SIGINT
 from microsoft.testsuites.dpdk.common import (
     DPDK_STABLE_GIT_REPO,
+    PackageManagerInstall,
     force_dpdk_default_source,
 )
 from microsoft.testsuites.dpdk.dpdknffgo import DpdkNffGo
@@ -527,7 +528,10 @@ class Dpdk(TestSuite):
         except (NotEnoughMemoryException, UnsupportedOperationException) as err:
             raise SkippedException(err)
         testpmd = test_kit.testpmd
-
+        if isinstance(testpmd.installer, PackageManagerInstall):
+            testpmd.installer.uninstall()
+            testpmd.reinitialize()
+            testpmd.install()
         # grab a nic and run testpmd
         git = node.tools[Git]
         make = node.tools[Make]

microsoft/testsuites/dpdk/dpdktestpmd.py

@@ -208,7 +208,7 @@ class DpdkSourceInstall(Installer):
         self._node.tools[Ninja].install()
         self._node.tools[Pip].install_packages("pyelftools")
 
-    def _uninstall(self) -> None:
+    def uninstall(self) -> None:
         # undo source installation (thanks ninja)
         if not self._check_if_installed():
             return