Merge pull request #2085 from aliang123/1800428

Snapshot during guest stop_cont

qemu/tests/blockdev_snapshot_stop_cont.py

+import logging
+
+from virttest import error_context
+
+from provider.blockdev_snapshot_base import BlockDevSnapshotTest
+
+
+class BlockdevSnapshotStopContTest(BlockDevSnapshotTest):
+
+    @error_context.context_aware
+    def create_snapshot(self):
+        error_context.context("do snaoshot during running guest stop_cont",
+                              logging.info)
+        self.main_vm.pause()
+        super(BlockdevSnapshotStopContTest, self).create_snapshot()
+        self.main_vm.resume()
+
+
+def run(test, params, env):
+    """
+    Backup VM disk test when VM reboot
+
+    1) start VM with system disk
+    2) create target disk with qmp command
+    3) load stress in guest
+    4) do snapshot to target disk
+    5) shutdown VM
+    6) boot VM with target disk
+    :param test: test object
+    :param params: Dictionary with the test parameters
+    :param env: Dictionary with test environment.
+    """
+    base_image = params.get("images", "image1").split()[0]
+    params.update(
+        {"image_name_%s" % base_image: params["image_name"],
+         "image_format_%s" % base_image: params["image_format"]})
+    snapshot_stop_cont = BlockdevSnapshotStopContTest(test, params, env)
+    snapshot_stop_cont.run_test()

qemu/tests/cfg/blockdev_snapshot_stop_cont.cfg

+- blockdev_snapshot_stop_cont:
+    type = blockdev_snapshot_stop_cont
+    virt_test_type = qemu
+    start_vm = yes
+    storage_type_default = "directory"
+    storage_pool = default
+    snapshot_tag = sn1
+    image_format_sn1 = qcow2
+    image_name_sn1 = images/sn1
+    device = "drive_image1"
+    base_tag = "image1"
+    rebase_mode = unsafe
+    Host_RHEL.m8:
+        node = "drive_image1"
+        overlay = "drive_sn1"
+        qemu_force_use_drive_expression = no