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iotests: Test block-export-* QMP interface

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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200924152717.287415-32-kwolf@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2020-09-24 17:27:17 +02:00
parent f71255228e
commit f51af04cce
3 changed files with 257 additions and 0 deletions
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tests/qemu-iotests/307.out Normal file
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=== Launch VM ===
{"execute": "nbd-server-start", "arguments": {"addr": {"data": {"path": "SOCK_DIR/PID-socket"}, "type": "unix"}}}
{"return": {}}
{"execute": "query-block-exports", "arguments": {}}
{"return": []}
=== Create a read-only NBD export ===
{"execute": "block-export-add", "arguments": {"id": "export0", "node-name": "fmt", "type": "nbd"}}
{"return": {}}
{"execute": "query-block-exports", "arguments": {}}
{"return": [{"id": "export0", "node-name": "fmt", "shutting-down": false, "type": "nbd"}]}
exports available: 1
export: 'fmt'
size: 67108864
flags: 0x58f ( readonly flush fua df multi cache )
min block: XXX
opt block: XXX
max block: XXX
available meta contexts: 1
base:allocation
=== Try a few invalid things ===
{"execute": "block-export-add", "arguments": {"id": "#invalid", "node-name": "fmt", "type": "nbd"}}
{"error": {"class": "GenericError", "desc": "Invalid block export id"}}
{"execute": "block-export-add", "arguments": {"id": "export0", "node-name": "fmt", "type": "nbd"}}
{"error": {"class": "GenericError", "desc": "Block export id 'export0' is already in use"}}
{"execute": "block-export-add", "arguments": {"id": "export1", "node-name": "ro", "type": "nbd", "writable": true}}
{"error": {"class": "GenericError", "desc": "Cannot export read-only node as writable"}}
{"execute": "block-export-del", "arguments": {"id": "export1"}}
{"error": {"class": "GenericError", "desc": "Export 'export1' is not found"}}
{"execute": "query-block-exports", "arguments": {}}
{"return": [{"id": "export0", "node-name": "fmt", "shutting-down": false, "type": "nbd"}]}
=== Move export to an iothread ===
{"execute": "device_add", "arguments": {"drive": "fmt", "driver": "scsi-hd", "id": "sda"}}
{"return": {}}
{"execute": "query-block-exports", "arguments": {}}
{"return": [{"id": "export0", "node-name": "fmt", "shutting-down": false, "type": "nbd"}]}
exports available: 1
export: 'fmt'
size: 67108864
flags: 0x58f ( readonly flush fua df multi cache )
min block: XXX
opt block: XXX
max block: XXX
available meta contexts: 1
base:allocation
=== Add a writable export ===
{"execute": "block-export-add", "arguments": {"description": "This is the writable second export", "id": "export1", "name": "export1", "node-name": "fmt", "type": "nbd", "writable": true, "writethrough": true}}
{"error": {"class": "GenericError", "desc": "Conflicts with use by sda as 'root', which does not allow 'write' on fmt"}}
{"execute": "device_del", "arguments": {"id": "sda"}}
{"return": {}}
{"data": {"device": "sda", "path": "/machine/peripheral/sda"}, "event": "DEVICE_DELETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
{"execute": "device_add", "arguments": {"drive": "fmt", "driver": "scsi-hd", "id": "sda", "share-rw": true}}
{"return": {}}
{"execute": "block-export-add", "arguments": {"description": "This is the writable second export", "id": "export1", "name": "export1", "node-name": "fmt", "type": "nbd", "writable": true, "writethrough": true}}
{"return": {}}
{"execute": "query-block-exports", "arguments": {}}
{"return": [{"id": "export1", "node-name": "fmt", "shutting-down": false, "type": "nbd"}, {"id": "export0", "node-name": "fmt", "shutting-down": false, "type": "nbd"}]}
exports available: 2
export: 'fmt'
size: 67108864
flags: 0x58f ( readonly flush fua df multi cache )
min block: XXX
opt block: XXX
max block: XXX
available meta contexts: 1
base:allocation
export: 'export1'
description: This is the writable second export
size: 67108864
flags: 0xced ( flush fua trim zeroes df cache fast-zero )
min block: XXX
opt block: XXX
max block: XXX
available meta contexts: 1
base:allocation
=== Connect qemu-io to export1, try removing exports ===
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{"execute": "block-export-del", "arguments": {"id": "export1"}}
{"error": {"class": "GenericError", "desc": "export 'export1' still in use"}}
{"execute": "block-export-del", "arguments": {"id": "export0"}}
{"return": {}}
[{"data": {"id": "export0"}, "event": "BLOCK_EXPORT_DELETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}]
{"execute": "query-block-exports", "arguments": {}}
{"return": [{"id": "export1", "node-name": "fmt", "shutting-down": false, "type": "nbd"}]}
exports available: 1
export: 'export1'
description: This is the writable second export
size: 67108864
flags: 0xced ( flush fua trim zeroes df cache fast-zero )
min block: XXX
opt block: XXX
max block: XXX
available meta contexts: 1
base:allocation
=== Connect qemu-io again, try force removing ===
{"execute": "block-export-del", "arguments": {"id": "export1"}}
{"error": {"class": "GenericError", "desc": "export 'export1' still in use"}}
{"execute": "block-export-del", "arguments": {"id": "export1", "mode": "hard"}}
{"return": {}}
read failed: Input/output error
{"execute": "query-block-exports", "arguments": {}}
{"return": []}
exports available: 0
=== Shut down QEMU ===