[libvirt] [PATCH 2/3] Parallels: implement domainAttachDeviceFlags
Dmitry Guryanov
dguryanov at parallels.com
Thu Mar 26 19:43:14 UTC 2015
On 03/26/2015 08:51 PM, Alexander Burluka wrote:
> Parallels Cloud Server supports block devices and virtual NIC
> live attachment. I implemented that function for block devices so
> OpenStack volume attachment is now works.
>
> Signed-off-by: Alexander Burluka <aburluka at parallels.com>
> ---
> src/parallels/parallels_driver.c | 45 ++++++++++++++++++++++++++++++++++++++
> src/parallels/parallels_sdk.c | 30 +++++++++++++++++++++++++
> src/parallels/parallels_sdk.h | 4 +++
> 3 files changed, 79 insertions(+), 0 deletions(-)
>
> diff --git a/src/parallels/parallels_driver.c b/src/parallels/parallels_driver.c
> index f5e58a8..87297cf 100644
> --- a/src/parallels/parallels_driver.c
> +++ b/src/parallels/parallels_driver.c
> @@ -1004,6 +1004,50 @@ parallelsDomainHasManagedSaveImage(virDomainPtr domain, unsigned int flags)
> return 0;
> }
>
> +static int parallelsDomainAttachDeviceFlags(virDomainPtr dom, const char *xml,
> + unsigned int flags)
> +{
> + int ret = -1;
> + parallelsConnPtr privconn = dom->conn->privateData;
> + virDomainDeviceDefPtr dev = NULL;
> + virDomainObjPtr privdom = NULL;
> +
> + virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
> + VIR_DOMAIN_AFFECT_CONFIG, -1);
qemu driver forbids updating stopped domain without flag
VIR_DOMAIN_AFFECT_LIVE
> +
> + privdom = virDomainObjListFindByUUID(privconn->domains, dom->uuid);
> + if (dom == NULL) {
> + parallelsDomNotFoundError(dom);
> + goto cleanup;
> + }
> +
> + dev = virDomainDeviceDefParse(xml, privdom->def, privconn->caps,
> + privconn->xmlopt, VIR_DOMAIN_XML_INACTIVE);
> + if (dev == NULL)
> + goto cleanup;
> +
> + switch (dev->type) {
> + case VIR_DOMAIN_DEVICE_DISK:
> + ret = prlsdkAttachVolume(dom->conn, privdom, dev->data.disk);
> + if (ret) {
> + virReportError(VIR_ERR_INTERNAL_ERROR,
> + "%s",
> + _("disk attach failed"));
> + goto cleanup;
> + }
> + break;
> + default:
> + virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
> + _("device type '%s' cannot be detached"),
> + virDomainDeviceTypeToString(dev->type));
> + break;
> + }
> +
> + ret = 0;
> + cleanup:
> + return ret;
> +}
> +
> static virHypervisorDriver parallelsDriver = {
> .name = "Parallels",
> .connectOpen = parallelsConnectOpen, /* 0.10.0 */
> @@ -1038,6 +1082,7 @@ static virHypervisorDriver parallelsDriver = {
> .domainDefineXMLFlags = parallelsDomainDefineXMLFlags, /* 1.2.12 */
> .domainUndefine = parallelsDomainUndefine, /* 1.2.10 */
> .domainUndefineFlags = parallelsDomainUndefineFlags, /* 1.2.10 */
> + .domainAttachDeviceFlags = parallelsDomainAttachDeviceFlags, /* 1.2.15 */
> .domainIsActive = parallelsDomainIsActive, /* 1.2.10 */
> .connectDomainEventRegisterAny = parallelsConnectDomainEventRegisterAny, /* 1.2.10 */
> .connectDomainEventDeregisterAny = parallelsConnectDomainEventDeregisterAny, /* 1.2.10 */
> diff --git a/src/parallels/parallels_sdk.c b/src/parallels/parallels_sdk.c
> index fa5c44d..bdfd487 100644
> --- a/src/parallels/parallels_sdk.c
> +++ b/src/parallels/parallels_sdk.c
> @@ -2890,6 +2890,36 @@ static int prlsdkAddDisk(PRL_HANDLE sdkdom, virDomainDiskDefPtr disk, bool bootD
> return ret;
> }
>
> +int
> +prlsdkAttachVolume(virConnectPtr conn,
> + virDomainObjPtr dom,
> + virDomainDiskDefPtr disk)
> +{
> + int ret = -1;
> + parallelsConnPtr privconn = conn->privateData;
> + PRL_HANDLE sdkdom = PRL_INVALID_HANDLE;
> + PRL_HANDLE job = PRL_INVALID_HANDLE;
> +
> + sdkdom = prlsdkSdkDomainLookupByUUID(privconn, dom->def->uuid);
> + if (sdkdom == PRL_INVALID_HANDLE)
> + goto cleanup;
SDK handle is stored in virDomainObj, you can get pointer to
parallelsDomObjPtr:
parallelsDomObjPtr privdom = dom->privateData;
and then use privdom->sdkdom
> +
> + job = PrlVm_BeginEdit(sdkdom);
> + if (PRL_FAILED(waitJob(job, privconn->jobTimeout)))
> + goto cleanup;
> +
> + ret = prlsdkAddDisk(sdkdom, disk, false);
> + if (ret == 0) {
> + job = PrlVm_CommitEx(sdkdom, PVCF_DETACH_HDD_BUNDLE);
> + if (PRL_FAILED(waitJob(job, privconn->jobTimeout)))
> + goto cleanup;
> + }
> +
> + cleanup:
> + PrlHandle_Free(sdkdom);
> + return ret;
> +}
> +
> static int
> prlsdkAddFS(PRL_HANDLE sdkdom, virDomainFSDefPtr fs)
> {
> diff --git a/src/parallels/parallels_sdk.h b/src/parallels/parallels_sdk.h
> index 694c19b..d68cada 100644
> --- a/src/parallels/parallels_sdk.h
> +++ b/src/parallels/parallels_sdk.h
> @@ -53,3 +53,7 @@ int prlsdkCreateVm(virConnectPtr conn, virDomainDefPtr def);
> int prlsdkCreateCt(virConnectPtr conn, virDomainDefPtr def);
> int
> prlsdkUnregisterDomain(parallelsConnPtr privconn, virDomainObjPtr dom);
> +int
> +prlsdkAttachVolume(virConnectPtr conn,
> + virDomainObjPtr dom,
> + virDomainDiskDefPtr disk);
--
Dmitry Guryanov
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