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Add support for attach/detach/update disk devices in config for LXC

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Wire up the attach/detach/update device APIs to support changing
of disks in the persistent config file

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange 2012-11-22 15:41:41 +00:00
parent 74a909fef1
commit 8cacd8b4ea
1 changed files with 29 additions and 0 deletions
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29
src/lxc/lxc_driver.c
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@ -2926,9 +2926,26 @@ lxcDomainAttachDeviceConfig(virDomainDefPtr vmdef,
virDomainDeviceDefPtr dev)
{
int ret = -1;
virDomainDiskDefPtr disk;
virDomainNetDefPtr net;
switch (dev->type) {
case VIR_DOMAIN_DEVICE_DISK:
disk = dev->data.disk;
if (virDomainDiskIndexByName(vmdef, disk->dst, true) >= 0) {
virReportError(VIR_ERR_INVALID_ARG,
_("target %s already exists."), disk->dst);
return -1;
}
if (virDomainDiskInsert(vmdef, disk)) {
virReportOOMError();
return -1;
}
/* vmdef has the pointer. Generic codes for vmdef will do all jobs */
dev->data.disk = NULL;
ret = 0;
break;
case VIR_DOMAIN_DEVICE_NET:
net = dev->data.net;
if (virDomainNetInsert(vmdef, net) < 0) {
@ -2998,11 +3015,23 @@ lxcDomainDetachDeviceConfig(virDomainDefPtr vmdef,
virDomainDeviceDefPtr dev)
{
int ret = -1;
virDomainDiskDefPtr disk, det_disk;
virDomainNetDefPtr net;
int idx;
char mac[VIR_MAC_STRING_BUFLEN];
switch (dev->type) {
case VIR_DOMAIN_DEVICE_DISK:
disk = dev->data.disk;
if (!(det_disk = virDomainDiskRemoveByName(vmdef, disk->dst))) {
virReportError(VIR_ERR_INVALID_ARG,
_("no target device %s"), disk->dst);
return -1;
}
virDomainDiskDefFree(det_disk);
ret = 0;
break;
case VIR_DOMAIN_DEVICE_NET:
net = dev->data.net;
idx = virDomainNetFindIdx(vmdef, net);