[libvirt] [PATCH v3 3/7] qemu: Implement qemuDomainManagedSaveGetXMLDesc
This commit adds qemu driver implementation to get xml description
for managed save state domain.
Signed-off-by: Kothapally Madhu Pavan <kmp(a)linux.vnet.ibm.com>
---
src/qemu/qemu_driver.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 46 insertions(+)
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index cdb727b..63bdf77 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -6798,6 +6798,51 @@ qemuDomainSaveImageDefineXML(virConnectPtr conn, const char *path,
return ret;
}
+static char *
+qemuDomainManagedSaveGetXMLDesc(virDomainPtr dom, unsigned int flags)
+{
+ virQEMUDriverPtr driver = dom->conn->privateData;
+ virDomainObjPtr vm;
+ char *path = NULL;
+ char *ret = NULL;
+ virDomainDefPtr def = NULL;
+ int fd = -1;
+ virQEMUSaveDataPtr data = NULL;
+
+ /* We only take subset of virDomainDefFormat flags. */
+ virCheckFlags(VIR_DOMAIN_XML_SECURE, NULL);
+
+ if (!(vm = qemuDomObjFromDomain(dom)))
+ return ret;
+
+ path = qemuDomainManagedSavePath(driver, vm);
+
+ if (!path)
+ goto cleanup;
+
+ if (!virFileExists(path)) {
+ virReportError(VIR_ERR_OPERATION_INVALID,
+ "%s",_("domain doesnot have managed save
image"));
+ goto cleanup;
+ }
+
+ fd = qemuDomainSaveImageOpen(driver, path, &def, &data,
+ false, NULL, false, false);
+ if (fd < 0)
+ goto cleanup;
+ if (virDomainManagedSaveGetXMLDescEnsureACL(dom->conn, def, flags) < 0)
+ goto cleanup;
+ ret = qemuDomainDefFormatXML(driver, def, flags);
+
+ cleanup:
+ virQEMUSaveDataFree(data);
+ virDomainDefFree(def);
+ VIR_FORCE_CLOSE(fd);
+ virDomainObjEndAPI(&vm);
+ VIR_FREE(path);
+ return ret;
+}
+
/* Return 0 on success, 1 if incomplete saved image was silently unlinked,
* and -1 on failure with error raised. */
static int
@@ -20810,6 +20855,7 @@ static virHypervisorDriver qemuHypervisorDriver = {
.domainManagedSave = qemuDomainManagedSave, /* 0.8.0 */
.domainHasManagedSaveImage = qemuDomainHasManagedSaveImage, /* 0.8.0 */
.domainManagedSaveRemove = qemuDomainManagedSaveRemove, /* 0.8.0 */
+ .domainManagedSaveGetXMLDesc = qemuDomainManagedSaveGetXMLDesc, /* 3.6.0 */
.domainSnapshotCreateXML = qemuDomainSnapshotCreateXML, /* 0.8.0 */
.domainSnapshotGetXMLDesc = qemuDomainSnapshotGetXMLDesc, /* 0.8.0 */
.domainSnapshotNum = qemuDomainSnapshotNum, /* 0.8.0 */
--
1.8.3.1