Add support for QEMU/libvirt platform. (#1677)

* Add support for QEMU/libvirt platform.

Add basic support for running LISA framework on Linux platform
using QEMU via the libvirt API. This includes succesfully running
the Microsoft T0 tests against the CBL-Mariner image.

.github/workflows/continuous-integration-workflow.yml

@@ -38,7 +38,8 @@ jobs:
       - name: Install Python dependencies (Linux-only)
         if: runner.os == 'Linux'
         run: |
-          sudo apt install libgirepository1.0-dev libcairo2-dev
+          sudo apt update
+          sudo apt install libgirepository1.0-dev libcairo2-dev qemu-utils libvirt-dev
 
       - name: Install Python dependencies
         run: make setup

lisa/mixin_modules.py

@@ -4,6 +4,8 @@
 # The file imports all the mix-in types that can be initialized
 # using reflection.
 
+import platform
+
 import lisa.combinators.batch_combinator  # noqa: F401
 import lisa.combinators.csv_combinator  # noqa: F401
 import lisa.combinators.grid_combinator  # noqa: F401
@@ -16,6 +18,12 @@
 import lisa.sut_orchestrator.azure.hooks  # noqa: F401
 import lisa.sut_orchestrator.azure.transformers  # noqa: F401
 import lisa.sut_orchestrator.ready  # noqa: F401
+
+if platform.system() == "Linux":
+    import lisa.sut_orchestrator.qemu.context  # noqa: F401
+    import lisa.sut_orchestrator.qemu.platform  # noqa: F401
+    import lisa.sut_orchestrator.qemu.schema  # noqa: F401
+
 import lisa.transformers.kernel_source_installer  # noqa: F401
 import lisa.transformers.script_transformer  # noqa: F401
 import lisa.transformers.to_list  # noqa: F401

lisa/sut_orchestrator/__init__.py

@@ -3,4 +3,5 @@
 from lisa.util.constants import PLATFORM_READY
 
 AZURE = "azure"
+QEMU = "qemu"
 READY = PLATFORM_READY

lisa/sut_orchestrator/qemu/context.py

@@ -0,0 +1,27 @@
+from dataclasses import dataclass
+from typing import Any, Dict, Optional
+
+from lisa.environment import Environment
+from lisa.node import Node
+
+
+@dataclass
+class EnvironmentContext:
+    ssh_public_key: str = ""
+
+
+@dataclass
+class NodeContext:
+    vm_name: str = ""
+    cloud_init_file_path: str = ""
+    os_disk_base_file_path: str = ""
+    os_disk_file_path: str = ""
+    extra_cloud_init_user_data: Optional[Dict[str, Any]] = None
+
+
+def get_environment_context(environment: Environment) -> EnvironmentContext:
+    return environment.get_context(EnvironmentContext)
+
+
+def get_node_context(node: Node) -> NodeContext:
+    return node.get_context(NodeContext)