Fix issues with snapshot imports
This commit is contained in:
parent
6597f7aef6
commit
4a0680b27f
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@ -1484,7 +1484,7 @@ def export_vm_snapshot(
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def write_export_json(
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result=False,
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result_message="",
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vm_configuration=None,
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vm_detail=None,
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export_files=None,
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export_files_size=0,
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ttot=None,
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@ -1645,9 +1645,6 @@ def export_vm_snapshot(
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write_export_json(
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result=False,
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result_message=f"ERROR: {error_message}",
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vm_detail=vm_detail,
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export_files=export_files,
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export_files_size=export_files_size,
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)
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return (
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False,
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@ -1666,7 +1663,7 @@ def export_vm_snapshot(
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write_export_json(
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result=True,
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result_message=result_message,
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vm_configuration=snapshot_xml,
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vm_detail=vm_detail,
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export_files=export_files,
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export_files_size=export_files_size,
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ttot=ttot,
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@ -1739,31 +1736,12 @@ def import_vm_snapshot(
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f"ERROR: Failed to read source incremental parent export details: {e}",
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)
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# 2. Import VM config and metadata in provision state
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try:
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retcode, retmsg = define_vm(
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zkhandler,
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export_source_details["vm_detail"]["xml"],
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export_source_details["vm_detail"]["node"],
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export_source_details["vm_detail"]["node_limit"],
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export_source_details["vm_detail"]["node_selector"],
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export_source_details["vm_detail"]["node_autostart"],
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export_source_details["vm_detail"]["migration_method"],
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export_source_details["vm_detail"]["migration_max_downtime"],
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export_source_details["vm_detail"]["profile"],
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export_source_details["vm_detail"]["tags"],
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"import",
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)
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if not retcode:
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return False, f"ERROR: Failed to define imported VM: {retmsg}"
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except Exception as e:
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return False, f"ERROR: Failed to parse VM export details: {e}"
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# 4. Import volumes
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is_snapshot_remove_failed = False
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which_snapshot_remove_failed = list()
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if incremental_parent is not None:
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for volume_file, volume_size in export_source_details.get("export_files"):
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volume_size = f"{volume_size}B"
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pool, volume, _ = volume_file.split("/")[-1].split(".")
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try:
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parent_volume_file = [
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@ -1796,7 +1774,7 @@ def import_vm_snapshot(
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f"ERROR: Failed to remove temporary RBD volume '{pool}/{volume}': {stderr}",
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)
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# Next we import the parent images
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# Next we import the parent image
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retcode, stdout, stderr = common.run_os_command(
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f"rbd import --export-format 2 --dest-pool {pool} {import_path}/{domain}/{incremental_parent}/{parent_volume_file} {volume}"
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)
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@ -1806,6 +1784,41 @@ def import_vm_snapshot(
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f"ERROR: Failed to import parent export image {parent_volume_file}: {stderr}",
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)
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# Import VM config and metadata in import state, from the *source* details
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try:
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retcode, retmsg = define_vm(
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zkhandler,
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export_source_parent_details["vm_detail"]["xml"],
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export_source_parent_details["vm_detail"]["node"],
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export_source_parent_details["vm_detail"]["node_limit"],
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export_source_parent_details["vm_detail"]["node_selector"],
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export_source_parent_details["vm_detail"]["node_autostart"],
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export_source_parent_details["vm_detail"]["migration_method"],
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export_source_parent_details["vm_detail"]["migration_max_downtime"],
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export_source_parent_details["vm_detail"]["profile"],
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export_source_parent_details["vm_detail"]["tags"],
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"import",
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)
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if not retcode:
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return False, f"ERROR: Failed to define imported VM: {retmsg}"
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except Exception as e:
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return False, f"ERROR: Failed to parse VM export details: {e}"
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# Handle the VM snapshots
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if retain_snapshot:
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# Create the parent snapshot
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retcode, retmsg = create_vm_snapshot(
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zkhandler, domain, snapshot_name=incremental_parent, zk_only=True
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)
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if not retcode:
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return (
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False,
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f"ERROR: Failed to create imported snapshot for {incremental_parent} (parent): {retmsg}",
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)
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for volume_file, volume_size in export_source_details.get("export_files"):
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volume_size = f"{volume_size}B"
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pool, volume, _ = volume_file.split("/")[-1].split(".")
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# Then we import the incremental diffs
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retcode, stdout, stderr = common.run_os_command(
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f"rbd import-diff {import_path}/{domain}/{snapshot_name}/{volume_file} {pool}/{volume}"
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@ -1816,36 +1829,69 @@ def import_vm_snapshot(
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f"ERROR: Failed to import incremental export image {volume_file}: {stderr}",
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)
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# Finally we remove the parent and child snapshots (no longer required required)
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if retain_snapshot:
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retcode, retmsg = ceph.add_snapshot(
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zkhandler,
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pool,
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volume,
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f"{incremental_parent}",
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zk_only=True,
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)
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if not retcode:
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return (
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False,
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f"ERROR: Failed to add imported image snapshot for {parent_volume_file}: {retmsg}",
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)
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else:
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if not retain_snapshot:
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retcode, stdout, stderr = common.run_os_command(
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f"rbd snap rm {pool}/{volume}@{incremental_parent}"
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)
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if retcode:
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is_snapshot_remove_failed = True
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which_snapshot_remove_failed.append(f"{pool}/{volume}")
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retcode, stdout, stderr = common.run_os_command(
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f"rbd snap rm {pool}/{volume}@{snapshot_name}"
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)
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if retcode:
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is_snapshot_remove_failed = True
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which_snapshot_remove_failed.append(f"{pool}/{volume}")
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retcode, stdout, stderr = common.run_os_command(
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f"rbd snap rm {pool}/{volume}@{snapshot_name}"
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)
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if retcode:
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is_snapshot_remove_failed = True
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which_snapshot_remove_failed.append(f"{pool}/{volume}")
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# Now update VM config and metadata, from the *current* details
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try:
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retcode, retmsg = modify_vm(
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zkhandler,
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domain,
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False,
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export_source_details["vm_detail"]["xml"],
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)
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if not retcode:
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return False, f"ERROR: Failed to modify imported VM: {retmsg}"
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retcode, retmsg = move_vm(
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zkhandler,
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domain,
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export_source_details["vm_detail"]["node"],
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)
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if not retcode:
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# We don't actually care if this fails, because it just means the vm was never moved
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pass
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retcode, retmsg = modify_vm_metadata(
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zkhandler,
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domain,
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export_source_details["vm_detail"]["node_limit"],
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export_source_details["vm_detail"]["node_selector"],
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export_source_details["vm_detail"]["node_autostart"],
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export_source_details["vm_detail"]["profile"],
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export_source_details["vm_detail"]["migration_method"],
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export_source_details["vm_detail"]["migration_max_downtime"],
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)
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if not retcode:
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return False, f"ERROR: Failed to modify imported VM: {retmsg}"
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except Exception as e:
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return False, f"ERROR: Failed to parse VM export details: {e}"
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if retain_snapshot:
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# Create the child snapshot
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retcode, retmsg = create_vm_snapshot(
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zkhandler, domain, snapshot_name=snapshot_name, zk_only=True
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)
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if not retcode:
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return (
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False,
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f"ERROR: Failed to create imported snapshot for {snapshot_name}: {retmsg}",
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)
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else:
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for volume_file, volume_size in export_source_details.get("export_files"):
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volume_size = f"{volume_size}B"
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pool, volume, _ = volume_file.split("/")[-1].split(".")
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# First we create the expected volumes then clean them up
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@ -1876,21 +1922,7 @@ def import_vm_snapshot(
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f"ERROR: Failed to import export image {volume_file}: {stderr}",
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)
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# Finally we remove the source snapshot (not required)
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if retain_snapshot:
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retcode, retmsg = ceph.add_snapshot(
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zkhandler,
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pool,
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volume,
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f"{snapshot_name}",
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zk_only=True,
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)
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if not retcode:
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return (
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False,
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f"ERROR: Failed to add imported image snapshot for {volume_file}: {retmsg}",
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)
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else:
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if not retain_snapshot:
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retcode, stdout, stderr = common.run_os_command(
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f"rbd snap rm {pool}/{volume}@{snapshot_name}"
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)
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@ -1900,6 +1932,37 @@ def import_vm_snapshot(
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f"ERROR: Failed to remove imported image snapshot for {volume_file}: {stderr}",
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)
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# 2. Import VM config and metadata in provision state
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try:
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retcode, retmsg = define_vm(
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zkhandler,
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export_source_details["vm_detail"]["xml"],
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export_source_details["vm_detail"]["node"],
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export_source_details["vm_detail"]["node_limit"],
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export_source_details["vm_detail"]["node_selector"],
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export_source_details["vm_detail"]["node_autostart"],
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export_source_details["vm_detail"]["migration_method"],
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export_source_details["vm_detail"]["migration_max_downtime"],
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export_source_details["vm_detail"]["profile"],
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export_source_details["vm_detail"]["tags"],
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"import",
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)
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if not retcode:
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return False, f"ERROR: Failed to define imported VM: {retmsg}"
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except Exception as e:
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return False, f"ERROR: Failed to parse VM export details: {e}"
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# Finally we handle the VM snapshot
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if retain_snapshot:
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retcode, retmsg = create_vm_snapshot(
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zkhandler, domain, snapshot_name=snapshot_name, zk_only=True
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)
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if not retcode:
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return (
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False,
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f"ERROR: Failed to create imported snapshot for {snapshot_name}: {retmsg}",
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)
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# 5. Start VM
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retcode, retmsg = start_vm(zkhandler, domain)
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if not retcode:
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