iotest: Test x-blockdev-change on a Quorum

This patch tests that you can add and remove drives from a Quorum
using the x-blockdev-change command.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Alberto Garcia 2018-10-18 11:59:04 +03:00 committed by Kevin Wolf
parent 808b27d464
commit 04f600ef7c
2 changed files with 140 additions and 0 deletions

View file

@ -198,6 +198,92 @@ quorum="$quorum,file.children.2.driver=raw"
$QEMU_IO -c "open -o $quorum" | _filter_qemu_io
echo
echo "== dynamically adding a child to a quorum =="
for verify in false true; do
run_qemu <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "blockdev-add",
"arguments": {
"driver": "quorum",
"node-name": "drive0-quorum",
"vote-threshold": 2,
"blkverify": ${verify},
"children": [
{
"driver": "$IMGFMT",
"file": {
"driver": "file",
"filename": "$TEST_DIR/1.raw"
}
},
{
"driver": "$IMGFMT",
"file": {
"driver": "file",
"filename": "$TEST_DIR/2.raw"
}
}
]
}
}
{ "execute": "blockdev-add",
"arguments": {
"node-name": "drive3",
"driver": "$IMGFMT",
"file": {
"driver": "file",
"filename": "$TEST_DIR/2.raw"
}
}
}
{ "execute": "x-blockdev-change",
"arguments": { "parent": "drive0-quorum",
"node": "drive3" } }
{ "execute": "quit" }
EOF
done
echo
echo "== dynamically removing a child from a quorum =="
for verify in false true; do
for vote_threshold in 1 2; do
run_qemu <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "blockdev-add",
"arguments": {
"driver": "quorum",
"node-name": "drive0-quorum",
"vote-threshold": ${vote_threshold},
"blkverify": ${verify},
"children": [
{
"driver": "$IMGFMT",
"file": {
"driver": "file",
"filename": "$TEST_DIR/1.raw"
}
},
{
"driver": "$IMGFMT",
"file": {
"driver": "file",
"filename": "$TEST_DIR/2.raw"
}
}
]
}
}
{ "execute": "x-blockdev-change",
"arguments": { "parent": "drive0-quorum",
"child": "children.1" } }
{ "execute": "quit" }
EOF
done
done
# success, all done
echo "*** done"
rm -f $seq.full

View file

@ -71,4 +71,58 @@ read 10485760/10485760 bytes at offset 0
== checking the blkverify mode with invalid settings ==
can't open: blkverify=on can only be set if there are exactly two files and vote-threshold is 2
== dynamically adding a child to a quorum ==
Testing:
QMP_VERSION
{"return": {}}
{"return": {}}
{"return": {}}
{"return": {}}
{"return": {}}
{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
Testing:
QMP_VERSION
{"return": {}}
{"return": {}}
{"return": {}}
{"error": {"class": "GenericError", "desc": "Cannot add a child to a quorum in blkverify mode"}}
{"return": {}}
{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
== dynamically removing a child from a quorum ==
Testing:
QMP_VERSION
{"return": {}}
{"return": {}}
{"return": {}}
{"return": {}}
{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
Testing:
QMP_VERSION
{"return": {}}
{"return": {}}
{"error": {"class": "GenericError", "desc": "The number of children cannot be lower than the vote threshold 2"}}
{"return": {}}
{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
Testing:
QMP_VERSION
{"return": {}}
{"error": {"class": "GenericError", "desc": "blkverify=on can only be set if there are exactly two files and vote-threshold is 2"}}
{"error": {"class": "GenericError", "desc": "Cannot find device=drive0-quorum nor node_name=drive0-quorum"}}
{"return": {}}
{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
Testing:
QMP_VERSION
{"return": {}}
{"return": {}}
{"error": {"class": "GenericError", "desc": "The number of children cannot be lower than the vote threshold 2"}}
{"return": {}}
{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
*** done