RunCommandv1: uninstall extension before installing it

lisa/sut_orchestrator/azure/features.py

@@ -3091,18 +3091,38 @@ def delete(
         self,
         name: str = "",
         timeout: int = 60 * 25,
-    ) -> None:
+        ignore_not_found: bool = False,
+    ) -> bool:
         platform: AzurePlatform = self._platform  # type: ignore
         compute_client = get_compute_client(platform)
         self._log.debug(f"uninstall extension: {name}")
-
-        operation = compute_client.virtual_machine_extensions.begin_delete(
-            resource_group_name=self._resource_group_name,
-            vm_name=self._vm_name,
-            vm_extension_name=name,
-        )
-        # no return for this operation
-        wait_operation(operation, timeout)
+        try:
+            operation = compute_client.virtual_machine_extensions.begin_delete(
+                resource_group_name=self._resource_group_name,
+                vm_name=self._vm_name,
+                vm_extension_name=name,
+            )
+            # no return for this operation
+            wait_operation(operation, timeout)
+            return True
+        except HttpResponseError as identifier:
+            error_message = str(identifier)
+            if "was not found" in error_message:
+                if ignore_not_found:
+                    self._log.info(
+                        f"Extension '{name}' not installed, ignoring deletion."
+                    )
+                    return False
+                else:
+                    raise LisaException(
+                        f"Extension '{name}' not found. Cannot delete "
+                        "non-existent extension."
+                    ) from identifier
+            else:
+                raise LisaException(
+                    "Unexpected error occurred while deleting extension "
+                    f"'{name}': {error_message}"
+                ) from identifier
 
     def list_all(self) -> Any:
         platform: AzurePlatform = self._platform  # type: ignore

microsoft/testsuites/vm_extensions/AzureMonitorAgentLinux.py

@@ -1,7 +1,6 @@
 from typing import Any
 
 from assertpy import assert_that
-from azure.core.exceptions import HttpResponseError
 
 from lisa import (
     Logger,
@@ -23,7 +22,7 @@
     Ubuntu,
 )
 from lisa.sut_orchestrator.azure.features import AzureExtension
-from lisa.util import LisaException, SkippedException
+from lisa.util import SkippedException
 
 
 @TestSuiteMetadata(
@@ -53,18 +52,10 @@ def verify_azuremonitoragent_linux(self, log: Logger, node: Node) -> None:
         # Run VM Extension
         extension = node.features[AzureExtension]
         extension_name = "Microsoft.Azure.Monitor.AzureMonitorLinuxAgent"
-        try:
-            # Delete VM Extension if already present
-            extension.delete(extension_name)
-            is_extension_present = True
-        except HttpResponseError as identifier:
-            if any(s in str(identifier) for s in ["was not found"]):
-                log.info("AzureMonitorLinuxAgent is not already installed")
-            else:
-                raise LisaException(
-                    f"unexpected exception happened {identifier} during delete"
-                    f" extension {extension_name}"
-                ) from identifier
+        is_extension_present = False
+        is_extension_present = extension.delete(
+            name=extension_name, ignore_not_found=True
+        )
 
         extension_result = extension.create_or_update(
             name=extension_name,

microsoft/testsuites/vm_extensions/runtime_extensions/custom_script.py

@@ -21,7 +21,6 @@
 from lisa.sut_orchestrator import AZURE
 from lisa.sut_orchestrator.azure.features import AzureExtension
 from lisa.sut_orchestrator.azure.tools import Waagent
-from lisa.util import LisaException
 from microsoft.testsuites.vm_extensions.runtime_extensions.common import (
     check_waagent_version_supported,
     execute_command,
@@ -40,17 +39,7 @@ def _create_and_verify_extension_run(
 ) -> None:
     extension = node.features[AzureExtension]
     extension_name = "CustomScript"
-    try:
-        # Delete VM Extension if already present
-        extension.delete(extension_name)
-    except HttpResponseError as identifier:
-        if any(s in str(identifier) for s in ["was not found"]):
-            node.log.info(f"{extension_name} is not installed")
-        else:
-            raise LisaException(
-                f"unexpected exception happened {identifier} during delete"
-                f" extension {extension_name}"
-            ) from identifier
+    extension.delete(name=extension_name, ignore_not_found=True)
 
     def enable_extension() -> Any:
         result = extension.create_or_update(

microsoft/testsuites/vm_extensions/runtime_extensions/run_commandv1.py

@@ -37,10 +37,12 @@ def _create_and_verify_extension_run(
     assert_exception: Optional[Any] = None,
 ) -> None:
     extension = node.features[AzureExtension]
+    extension_name = "RunCommandv1"
+    extension.delete(name=extension_name, ignore_not_found=True)
 
     def enable_extension() -> Any:
         result = extension.create_or_update(
-            name="RunCommandv1",
+            name=extension_name,
             publisher="Microsoft.CPlat.Core",
             type_="RunCommandLinux",
             type_handler_version="1.0",