[libvirt] [PATCH 4/8] qemu: snapshot: Audit actual disk snapshot creation

Peter Krempa posted 8 patches 6 years, 10 months ago
[libvirt] [PATCH 4/8] qemu: snapshot: Audit actual disk snapshot creation
Posted by Peter Krempa 6 years, 10 months ago
Currently we'd audit that we managed to format the data for the
'transaction' command rather than the (un)successful attempt to create
the snapshot.

Move the auditing code so that it can actually audit the result of the
'transaction' command.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
---
 src/qemu/qemu_driver.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index e5005fd829..ea06e23ff1 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -14936,7 +14936,7 @@ qemuDomainSnapshotCreateSingleDiskActive(virQEMUDriverPtr driver,
     char *device = NULL;
     char *source = NULL;
     const char *formatStr = NULL;
-    int ret = -1, rc;
+    int ret = -1;

     if (!(device = qemuAliasDiskDriveFromDisk(dd->disk)))
         goto cleanup;
@@ -14964,9 +14964,8 @@ qemuDomainSnapshotCreateSingleDiskActive(virQEMUDriverPtr driver,

     formatStr = virStorageFileFormatTypeToString(dd->src->format);

-    ret = rc = qemuMonitorDiskSnapshot(priv->mon, actions, device, source,
-                                       formatStr, reuse);
-    virDomainAuditDisk(vm, dd->disk->src, dd->src, "snapshot", rc >= 0);
+    ret = qemuMonitorDiskSnapshot(priv->mon, actions, device, source,
+                                  formatStr, reuse);

  cleanup:
     VIR_FREE(device);
@@ -15031,10 +15030,8 @@ qemuDomainSnapshotCreateDiskActive(virQEMUDriverPtr driver,

         ret = qemuMonitorTransaction(priv->mon, &actions);

-        if (qemuDomainObjExitMonitor(driver, vm) < 0 || ret < 0) {
+        if (qemuDomainObjExitMonitor(driver, vm) < 0)
             ret = -1;
-            goto error;
-        }

         for (i = 0; i < snap->def->ndisks; i++) {
             qemuDomainSnapshotDiskDataPtr dd = &diskdata[i];
@@ -15042,8 +15039,14 @@ qemuDomainSnapshotCreateDiskActive(virQEMUDriverPtr driver,
             if (!dd->src)
                 continue;

-            qemuDomainSnapshotUpdateDiskSources(&diskdata[i], &persist);
+            virDomainAuditDisk(vm, dd->disk->src, dd->src, "snapshot", ret >= 0);
+
+            if (ret == 0)
+                qemuDomainSnapshotUpdateDiskSources(dd, &persist);
         }
+
+        if (ret < 0)
+            goto error;
     }

  error:
-- 
2.16.2

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Re: [libvirt] [PATCH 4/8] qemu: snapshot: Audit actual disk snapshot creation
Posted by Ján Tomko 6 years, 10 months ago
On Tue, Jul 03, 2018 at 02:33:02PM +0200, Peter Krempa wrote:
>Currently we'd audit that we managed to format the data for the
>'transaction' command rather than the (un)successful attempt to create
>the snapshot.
>
>Move the auditing code so that it can actually audit the result of the
>'transaction' command.
>
>Signed-off-by: Peter Krempa <pkrempa@redhat.com>
>---
> src/qemu/qemu_driver.c | 19 +++++++++++--------
> 1 file changed, 11 insertions(+), 8 deletions(-)
>

Reviewed-by: Ján Tomko <jtomko@redhat.com>

Jano
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