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builder/qemu: specify disk format to avoid errors 

Image format was not specified for XXX and probing
guessed raw.
Automatically detecting the format is dangerous for raw images, write
operations on block 0 will be restricted.
Specify the 'raw' format explicitly to remove the restrictions.

Signed-off-by: Vasiliy Tolstov <v.tolstov@selfip.ru>
This commit is contained in:
Vasiliy Tolstov 2016-09-15 17:59:05 +03:00
parent 372bffef36
commit 4986ef39b2
1 changed files with 3 additions and 3 deletions
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6
builder/qemu/step_run.go
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@ -91,12 +91,12 @@ func getCommandArgs(bootDrive string, state multistep.StateBag) ([]string, error
if qemuMajor >= 2 {
if config.DiskInterface == "virtio-scsi" {
deviceArgs = append(deviceArgs, "virtio-scsi-pci,id=scsi0", "scsi-hd,bus=scsi0.0,drive=drive0")
driveArgs = append(driveArgs, fmt.Sprintf("if=none,file=%s,id=drive0,cache=%s,discard=%s", imgPath, config.DiskCache, config.DiskDiscard))
driveArgs = append(driveArgs, fmt.Sprintf("if=none,file=%s,id=drive0,cache=%s,discard=%s,format=%s", imgPath, config.DiskCache, config.DiskDiscard, config.Format))
} else {
driveArgs = append(driveArgs, fmt.Sprintf("file=%s,if=%s,cache=%s,discard=%s", imgPath, config.DiskInterface, config.DiskCache, config.DiskDiscard))
driveArgs = append(driveArgs, fmt.Sprintf("file=%s,if=%s,cache=%s,discard=%s,format=%s", imgPath, config.DiskInterface, config.DiskCache, config.DiskDiscard, config.Format))
}
} else {
driveArgs = append(driveArgs, fmt.Sprintf("file=%s,if=%s,cache=%s", imgPath, config.DiskInterface, config.DiskCache))
driveArgs = append(driveArgs, fmt.Sprintf("file=%s,if=%s,cache=%s,format=%s", imgPath, config.DiskInterface, config.DiskCache, config.Format))
}
deviceArgs = append(deviceArgs, fmt.Sprintf("%s,netdev=user.0", config.NetDevice))