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tests: qemumonitorjson: Add test case for node name detection with blockjob

Browse Source 
qemu 2.9 returns an extra layer in the backing data if a block job is
active. Add a test case to see whether our code properly detects and
ignores such layer.

The test data was prepared by creating a backing chain of qcow2 images
(with qemu-img and with libvirt's snapshot feature).

One of the layers was then merged back by doing a block-commit:

virsh blockcommit VM hda --top /var/lib/libvirt/images/b

and then a block-copy job was started and kept in synchronized phase:

virsh blockcopy VM hda /tmp/tgt.img --transient job

Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Peter Krempa 2017-07-26 11:06:51 +02:00
parent b04a3474e4
commit b717be71dc
4 changed files with 1010 additions and 0 deletions
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301
tests/qemumonitorjsondata/qemumonitorjson-nodename-blockjob-blockstats.json Normal file
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@ -0,0 +1,301 @@
[
{
"device": "drive-ide0-0-0",
"stats": {
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
"node-name": "#block3343"
}
]

682
tests/qemumonitorjsondata/qemumonitorjson-nodename-blockjob-named-nodes.json Normal file
View File

@ -0,0 +1,682 @@
[
{
"iops_rd": 0,
"detect_zeroes": "off",
"image": {
"backing-image": {
"backing-image": {
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"backing-image": {
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},
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},
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},
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},
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},
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},
{
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}
},
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},
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},
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},
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"format": "raw",
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},
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"virtual-size": 10485760,
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}
},
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"backing-filename": "/var/lib/libvirt/images/a",
"dirty-flag": false
},
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"ro": true,
"node-name": "#block717",
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"backing_file": "/var/lib/libvirt/images/a",
"encrypted": false,
"bps": 0,
"bps_rd": 0,
"cache": {
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"direct": false,
"writeback": true
},
"file": "/var/lib/libvirt/images/c",
"encryption_key_missing": false
},
{
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"image": {
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"filename": "/var/lib/libvirt/images/c",
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"dirty-flag": false
},
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"ro": true,
"node-name": "#block618",
"backing_file_depth": 0,
"drv": "file",
"iops": 0,
"bps_wr": 0,
"write_threshold": 0,
"encrypted": false,
"bps": 0,
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"cache": {
"no-flush": false,
"direct": false,
"writeback": true
},
"file": "/var/lib/libvirt/images/c",
"encryption_key_missing": false
},
{
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"detect_zeroes": "off",
"image": {
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"filename": "/var/lib/libvirt/images/a",
"format": "raw",
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"dirty-flag": false
},
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"filename": "/var/lib/libvirt/images/c",
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"format": "qcow2",
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}
},
"full-backing-filename": "/var/lib/libvirt/images/a",
"backing-filename": "/var/lib/libvirt/images/a",
"dirty-flag": false
},
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"filename": "/var/lib/libvirt/images/d",
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}
},
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"dirty-flag": false
},
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},
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},
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},
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},
{
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},
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"corrupt": false
}
},
"full-backing-filename": "/var/lib/libvirt/images/a",
"backing-filename": "/var/lib/libvirt/images/a",
"dirty-flag": false
},
"backing-filename-format": "qcow2",
"virtual-size": 10485760,
"filename": "/var/lib/libvirt/images/d",
"cluster-size": 65536,
"format": "qcow2",
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"format-specific": {
"type": "qcow2",
"data": {
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"corrupt": false
}
},
"full-backing-filename": "/var/lib/libvirt/images/c",
"backing-filename": "/var/lib/libvirt/images/c",
"dirty-flag": false
},
"backing-filename-format": "qcow2",
"virtual-size": 10485760,
"filename": "/var/lib/libvirt/images/d.1499152668",
"cluster-size": 65536,
"format": "qcow2",
"actual-size": 200704,
"format-specific": {
"type": "qcow2",
"data": {
"compat": "1.1",
"lazy-refcounts": false,
"refcount-bits": 16,
"corrupt": false
}
},
"full-backing-filename": "/var/lib/libvirt/images/d",
"backing-filename": "/var/lib/libvirt/images/d",
"dirty-flag": false
},
"iops_wr": 0,
"ro": true,
"node-name": "#block312",
"backing_file_depth": 3,
"drv": "qcow2",
"iops": 0,
"bps_wr": 0,
"write_threshold": 0,
"backing_file": "/var/lib/libvirt/images/d",
"encrypted": false,
"bps": 0,
"bps_rd": 0,
"cache": {
"no-flush": false,
"direct": false,
"writeback": true
},
"file": "/var/lib/libvirt/images/d.1499152668",
"encryption_key_missing": false
},
{
"iops_rd": 0,
"detect_zeroes": "off",
"image": {
"virtual-size": 197120,
"filename": "/var/lib/libvirt/images/d.1499152668",
"format": "file",
"actual-size": 200704,
"dirty-flag": false
},
"iops_wr": 0,
"ro": true,
"node-name": "#block259",
"backing_file_depth": 0,
"drv": "file",
"iops": 0,
"bps_wr": 0,
"write_threshold": 0,
"encrypted": false,
"bps": 0,
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"cache": {
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"direct": false,
"writeback": true
},
"file": "/var/lib/libvirt/images/d.1499152668",
"encryption_key_missing": false
},
{
"iops_rd": 0,
"detect_zeroes": "off",
"image": {
"backing-image": {
"backing-image": {
"backing-image": {
"backing-image": {
"virtual-size": 10485760,
"filename": "/var/lib/libvirt/images/a",
"format": "raw",
"actual-size": 0,
"dirty-flag": false
},
"backing-filename-format": "raw",
"virtual-size": 10485760,
"filename": "/var/lib/libvirt/images/c",
"cluster-size": 65536,
"format": "qcow2",
"actual-size": 200704,
"format-specific": {
"type": "qcow2",
"data": {
"compat": "1.1",
"lazy-refcounts": false,
"refcount-bits": 16,
"corrupt": false
}
},
"full-backing-filename": "/var/lib/libvirt/images/a",
"backing-filename": "/var/lib/libvirt/images/a",
"dirty-flag": false
},
"backing-filename-format": "qcow2",
"virtual-size": 10485760,
"filename": "/var/lib/libvirt/images/d",
"cluster-size": 65536,
"format": "qcow2",
"actual-size": 200704,
"format-specific": {
"type": "qcow2",
"data": {
"compat": "1.1",
"lazy-refcounts": false,
"refcount-bits": 16,
"corrupt": false
}
},
"full-backing-filename": "/var/lib/libvirt/images/c",
"backing-filename": "/var/lib/libvirt/images/c",
"dirty-flag": false
},
"backing-filename-format": "qcow2",
"virtual-size": 10485760,
"filename": "/var/lib/libvirt/images/d.1499152668",
"cluster-size": 65536,
"format": "qcow2",
"actual-size": 200704,
"format-specific": {
"type": "qcow2",
"data": {
"compat": "1.1",
"lazy-refcounts": false,
"refcount-bits": 16,
"corrupt": false
}
},
"full-backing-filename": "/var/lib/libvirt/images/d",
"backing-filename": "/var/lib/libvirt/images/d",
"dirty-flag": false
},
"backing-filename-format": "qcow2",
"virtual-size": 10485760,
"filename": "/var/lib/libvirt/images/d.1499152698",
"cluster-size": 65536,
"format": "qcow2",
"actual-size": 200704,
"format-specific": {
"type": "qcow2",
"data": {
"compat": "1.1",
"lazy-refcounts": false,
"refcount-bits": 16,
"corrupt": false
}
},
"full-backing-filename": "/var/lib/libvirt/images/d.1499152668",
"backing-filename": "/var/lib/libvirt/images/d.1499152668",
"dirty-flag": false
},
"iops_wr": 0,
"ro": false,
"node-name": "#block179",
"backing_file_depth": 4,
"drv": "qcow2",
"iops": 0,
"bps_wr": 0,
"write_threshold": 0,
"backing_file": "/var/lib/libvirt/images/d.1499152668",
"encrypted": false,
"bps": 0,
"bps_rd": 0,
"cache": {
"no-flush": false,
"direct": false,
"writeback": true
},
"file": "/var/lib/libvirt/images/d.1499152698",
"encryption_key_missing": false
},
{
"iops_rd": 0,
"detect_zeroes": "off",
"image": {
"virtual-size": 197120,
"filename": "/var/lib/libvirt/images/d.1499152698",
"format": "file",
"actual-size": 200704,
"dirty-flag": false
},
"iops_wr": 0,
"ro": false,
"node-name": "#block042",
"backing_file_depth": 0,
"drv": "file",
"iops": 0,
"bps_wr": 0,
"write_threshold": 0,
"encrypted": false,
"bps": 0,
"bps_rd": 0,
"cache": {
"no-flush": false,
"direct": false,
"writeback": true
},
"file": "/var/lib/libvirt/images/d.1499152698",
"encryption_key_missing": false
}
]

26
tests/qemumonitorjsondata/qemumonitorjson-nodename-blockjob.result Normal file
View File

@ -0,0 +1,26 @@
drive-ide0-0-0
filename : '/var/lib/libvirt/images/d.1499152698'
format node : '#block179'
format drv : 'qcow2'
storage node: '#block042'
storage drv : 'file'
filename : '/var/lib/libvirt/images/d.1499152668'
format node : '#block312'
format drv : 'qcow2'
storage node: '#block259'
storage drv : 'file'
filename : '/var/lib/libvirt/images/d'
format node : '#block551'
format drv : 'qcow2'
storage node: '#block449'
storage drv : 'file'
filename : '/var/lib/libvirt/images/c'
format node : '#block717'
format drv : 'qcow2'
storage node: '#block618'
storage drv : 'file'
filename : '/var/lib/libvirt/images/a'
format node : '#block901'
format drv : 'raw'
storage node: '#block846'
storage drv : 'file'

1
tests/qemumonitorjsontest.c
View File

@ -2930,6 +2930,7 @@ mymain(void)
DO_TEST_BLOCK_NODE_DETECT("same-backing");
DO_TEST_BLOCK_NODE_DETECT("relative");
DO_TEST_BLOCK_NODE_DETECT("gluster");
DO_TEST_BLOCK_NODE_DETECT("blockjob");
#undef DO_TEST_BLOCK_NODE_DETECT