Commit 3f7b2fa8 authored by Vladimir Sementsov-Ogievskiy's avatar Vladimir Sementsov-Ogievskiy Committed by John Snow
Browse files

iotests: test bitmap moving inside 254 



Test persistent bitmap copying with and without removal of original
bitmap.

Signed-off-by: default avatarVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: default avatarJohn Snow <jsnow@redhat.com>
Reviewed-by: default avatarMax Reitz <mreitz@redhat.com>
Message-id: 20190708220502.12977-4-jsnow@redhat.com
[Edited comment "bitmap1" --> "bitmap2" as per review. --js]
Signed-off-by: default avatarJohn Snow <jsnow@redhat.com>
parent c4e4b0fa

tests/qemu-iotests/254

+28 −2
Original line number Diff line number Diff line 
#!/usr/bin/env python

#

# Test external snapshot with bitmap copying.

# Test external snapshot with bitmap copying and moving.

#

# Copyright (c) 2019 Virtuozzo International GmbH. All rights reserved.

#
@@ -32,6 +32,10 @@ vm = iotests.VM().add_drive(disk, opts='node-name=base') 
vm.launch()



vm.qmp_log('block-dirty-bitmap-add', node='drive0', name='bitmap0')

vm.qmp_log('block-dirty-bitmap-add', node='drive0', name='bitmap1',

           persistent=True)

vm.qmp_log('block-dirty-bitmap-add', node='drive0', name='bitmap2',

           persistent=True)



vm.hmp_qemu_io('drive0', 'write 0 512K')
@@ -39,16 +43,38 @@ vm.qmp_log('transaction', indent=2, actions=[ 
    {'type': 'blockdev-snapshot-sync',

     'data': {'device': 'drive0', 'snapshot-file': top,

              'snapshot-node-name': 'snap'}},



    # copy non-persistent bitmap0

    {'type': 'block-dirty-bitmap-add',

     'data': {'node': 'snap', 'name': 'bitmap0'}},

    {'type': 'block-dirty-bitmap-merge',

     'data': {'node': 'snap', 'target': 'bitmap0',

              'bitmaps': [{'node': 'base', 'name': 'bitmap0'}]}}

              'bitmaps': [{'node': 'base', 'name': 'bitmap0'}]}},



    # copy persistent bitmap1, original will be saved to base image

    {'type': 'block-dirty-bitmap-add',

     'data': {'node': 'snap', 'name': 'bitmap1', 'persistent': True}},

    {'type': 'block-dirty-bitmap-merge',

     'data': {'node': 'snap', 'target': 'bitmap1',

              'bitmaps': [{'node': 'base', 'name': 'bitmap1'}]}},



    # move persistent bitmap2, original will be removed and not saved

    # to base image

    {'type': 'block-dirty-bitmap-add',

     'data': {'node': 'snap', 'name': 'bitmap2', 'persistent': True}},

    {'type': 'block-dirty-bitmap-merge',

     'data': {'node': 'snap', 'target': 'bitmap2',

              'bitmaps': [{'node': 'base', 'name': 'bitmap2'}]}},

    {'type': 'block-dirty-bitmap-remove',

     'data': {'node': 'base', 'name': 'bitmap2'}}

], filters=[iotests.filter_qmp_testfiles])



result = vm.qmp('query-block')['return'][0]

log("query-block: device = {}, node-name = {}, dirty-bitmaps:".format(

    result['device'], result['inserted']['node-name']))

log(result['dirty-bitmaps'], indent=2)

log("\nbitmaps in backing image:")

log(result['inserted']['image']['backing-image']['format-specific'] \

    ['data']['bitmaps'], indent=2)



vm.shutdown()

tests/qemu-iotests/254.out

+82 −0
Original line number Diff line number Diff line 
{"execute": "block-dirty-bitmap-add", "arguments": {"name": "bitmap0", "node": "drive0"}}

{"return": {}}

{"execute": "block-dirty-bitmap-add", "arguments": {"name": "bitmap1", "node": "drive0", "persistent": true}}

{"return": {}}

{"execute": "block-dirty-bitmap-add", "arguments": {"name": "bitmap2", "node": "drive0", "persistent": true}}

{"return": {}}

{

  "execute": "transaction",

  "arguments": {
@@ -31,6 +35,55 @@ 
          "target": "bitmap0"

        },

        "type": "block-dirty-bitmap-merge"

      },

      {

        "data": {

          "name": "bitmap1",

          "node": "snap",

          "persistent": true

        },

        "type": "block-dirty-bitmap-add"

      },

      {

        "data": {

          "bitmaps": [

            {

              "name": "bitmap1",

              "node": "base"

            }

          ],

          "node": "snap",

          "target": "bitmap1"

        },

        "type": "block-dirty-bitmap-merge"

      },

      {

        "data": {

          "name": "bitmap2",

          "node": "snap",

          "persistent": true

        },

        "type": "block-dirty-bitmap-add"

      },

      {

        "data": {

          "bitmaps": [

            {

              "name": "bitmap2",

              "node": "base"

            }

          ],

          "node": "snap",

          "target": "bitmap2"

        },

        "type": "block-dirty-bitmap-merge"

      },

      {

        "data": {

          "name": "bitmap2",

          "node": "base"

        },

        "type": "block-dirty-bitmap-remove"

      }

    ]

  }
@@ -40,6 +93,24 @@ 
}

query-block: device = drive0, node-name = snap, dirty-bitmaps:

[

  {

    "busy": false,

    "count": 524288,

    "granularity": 65536,

    "name": "bitmap2",

    "persistent": true,

    "recording": true,

    "status": "active"

  },

  {

    "busy": false,

    "count": 524288,

    "granularity": 65536,

    "name": "bitmap1",

    "persistent": true,

    "recording": true,

    "status": "active"

  },

  {

    "busy": false,

    "count": 524288,
@@ -50,3 +121,14 @@ query-block: device = drive0, node-name = snap, dirty-bitmaps: 
    "status": "active"

  }

]



bitmaps in backing image:

[

  {

    "flags": [

      "auto"

    ],

    "granularity": 65536,

    "name": "bitmap1"

  }

]