image_multihost: Testing image on multihost

Signed-off-by: Zhenchao Liu <[email protected]>

Author: zhencliu

qemu/tests/cfg/image_multihost.cfg

@@ -0,0 +1,22 @@
+- multihost:
+    type = image_multihost
+    vms = ''
+    start_vm = no
+    kill_vm = no
+    nodes = node1 node2
+    multihost = yes
+    force_create_image = yes
+    remove_image = yes
+    images = top
+    image_chain_top = base top
+    image_name_base = base
+    image_name_top = top
+    image_format_base = luks
+    image_secret_base = redhat
+    image_format_top = qcow2
+    preallocated_base = metadata
+    image_cluster_size = 1M
+    volume_pool_selectors_base = '[{"key": "type", "operator": "==", "values": "nfs"},'
+    volume_pool_selectors_base += '{"key": "access.nodes", "operator": "contains", "values": "node1 node2"},]'
+    volume_pool_selectors_top = '[{"key": "type", "operator": "==", "values": "filesystem"},'
+    volume_pool_selectors_base += '{"key": "access.nodes", "operator": "contains", "values": "node2"},]'

qemu/tests/image_multihost.py

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+from virttest.vt_imgr import imgr
+
+
+def run(test, params, env):
+    images = dict()
+    for image_tag in params.objects("images"):
+        images[image_tag] = imgr.query_logical_image(image_tag)
+        imgr.update_logical_image(images[image_tag], {"backup": {}})
+        test.log.info(
+            "after backup: %s: %s",
+            image_tag,
+            imgr.get_logical_image_info(images[image_tag]),
+        )
+        imgr.update_logical_image(images[image_tag], {"restore": {}})
+        test.log.info(
+            "after restore: %s: %s",
+            image_tag,
+            imgr.get_logical_image_info(images[image_tag]),
+        )
+
+    for image_id in images.values():
+        test.log.info("source: %s: %s", image_id, imgr.get_logical_image_info(image_id))
+        cloned_image_id = imgr.clone_logical_image(image_id)
+        test.log.info(
+            "cloned: %s: %s",
+            cloned_image_id,
+            imgr.get_logical_image_info(cloned_image_id),
+        )
+        imgr.update_logical_image(cloned_image_id, {"destroy": {}})
+        imgr.destroy_logical_image_object(cloned_image_id)
+        imgr.update_logical_image(image_id, {"destroy": {}})
+        imgr.destroy_logical_image_object(image_id)