Commit 04f600ef authored by Alberto Garcia's avatar Alberto Garcia Committed by Kevin Wolf
Browse files

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: default avatarAlberto Garcia <berto@igalia.com>
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent 808b27d4
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+86 −0
Original line number Diff line number Diff line
@@ -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
+54 −0
Original line number Diff line number Diff line
@@ -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