Introduce a flag which will allow users to perform hypervisor-specific
valdiation when redefining the checkpoint metadata. This will allow to
check metadata which is stored e.g. in disk images when populating the
libvirt metadata.
Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx>
---
include/libvirt/libvirt-domain-checkpoint.h | 2 ++
src/libvirt-domain-checkpoint.c | 9 +++++++++
2 files changed, 11 insertions(+)
diff --git a/include/libvirt/libvirt-domain-checkpoint.h b/include/libvirt/libvirt-domain-checkpoint.h
index f4bd92e81c..58932c8a6a 100644
--- a/include/libvirt/libvirt-domain-checkpoint.h
+++ b/include/libvirt/libvirt-domain-checkpoint.h
@@ -57,6 +57,8 @@ typedef enum {
quiesce all mounted
file systems within
the domain */
+ VIR_DOMAIN_CHECKPOINT_REDEFINE_VALIDATE = (1 << 2), /* validate disk data state
+ when redefining a checkpoint */
} virDomainCheckpointCreateFlags;
/* Create a checkpoint using the current VM state. */
diff --git a/src/libvirt-domain-checkpoint.c b/src/libvirt-domain-checkpoint.c
index e9af8e4cf0..e0c2527ccb 100644
--- a/src/libvirt-domain-checkpoint.c
+++ b/src/libvirt-domain-checkpoint.c
@@ -125,6 +125,11 @@ virDomainCheckpointGetConnect(virDomainCheckpointPtr checkpoint)
* has a way to resupply correct defaults). Not all hypervisors support
* this flag.
*
+ * If @flags includes VIR_DOMAIN_CHECKPOINT_REDEFINE_VALIDATE along with
+ * VIR_DOMAIN_CHECKPOINT_CREATE_REDEFINE the state of the metadata related
+ * to the disk state of the redefined checkpoint is validated. Note that
+ * hypervisors may require that the @domain is running to perform validation.
+ *
* If @flags includes VIR_DOMAIN_CHECKPOINT_CREATE_QUIESCE, then the
* libvirt will attempt to use guest agent to freeze and thaw all file
* systems in use within domain OS. However, if the guest agent is not
@@ -155,6 +160,10 @@ virDomainCheckpointCreateXML(virDomainPtr domain,
VIR_DOMAIN_CHECKPOINT_CREATE_QUIESCE,
error);
+ VIR_REQUIRE_FLAG_GOTO(VIR_DOMAIN_CHECKPOINT_REDEFINE_VALIDATE,
+ VIR_DOMAIN_CHECKPOINT_CREATE_REDEFINE,
+ error);
+
if (conn->driver->domainCheckpointCreateXML) {
virDomainCheckpointPtr ret;
ret = conn->driver->domainCheckpointCreateXML(domain, xmlDesc, flags);
--
2.26.2
