If users wish to use different name for exported disks or bitmaps
the new fields allow to do so. Additionally they also document the
current settings.
Signed-off-by: Peter Krempa <pkre...@redhat.com>
---
docs/formatbackup.html.in | 9 +++++++++
docs/schemas/domainbackup.rng | 8 ++++++++
src/conf/backup_conf.c | 11 +++++++++++
src/conf/backup_conf.h | 2 ++
tests/domainbackupxml2xmlin/backup-pull-seclabel.xml | 2 +-
tests/domainbackupxml2xmlout/backup-pull-seclabel.xml | 2 +-
6 files changed, 32 insertions(+), 2 deletions(-)
diff --git a/docs/formatbackup.html.in b/docs/formatbackup.html.in
index 1c690901c7..7d2c6f1599 100644
--- a/docs/formatbackup.html.in
+++ b/docs/formatbackup.html.in
@@ -85,6 +85,15 @@
<dd>Setting this attribute to <code>yes</code>(default) specifies
that the disk should take part in the backup and using
<code>no</code> excludes the disk from the backup.</dd>
+ <dt><code>exportname</code></dt>
+ <dd>Allows to modify the NBD export name for the given disk.
+ By default equal to disk target.
+ Valid only for pull mode backups. </dd>
+ <dt><code>exportbitmap</code></dt>
+ <dd>Allows to modify the name of the bitmap describing dirty
+ blocks for an incremental backup exported via NBD export name
+ for the given disk.
+ Valid only for pull mode backups. </dd>
<dt><code>type</code></dt>
<dd>A mandatory attribute to describe the type of the
disk, except when <code>backup='no'</code> is
diff --git a/docs/schemas/domainbackup.rng b/docs/schemas/domainbackup.rng
index c1e4d80302..395ea841f9 100644
--- a/docs/schemas/domainbackup.rng
+++ b/docs/schemas/domainbackup.rng
@@ -165,6 +165,14 @@
<attribute name='name'>
<ref name='diskTarget'/>
</attribute>
+ <optional>
+ <attribute name='exportname'>
+ <text/>
+ </attribute>
+ <attribute name='exportbitmap'>
+ <text/>
+ </attribute>
+ </optional>
<choice>
<group>
<attribute name='backup'>
diff --git a/src/conf/backup_conf.c b/src/conf/backup_conf.c
index aa11967d2a..a4b87baa55 100644
--- a/src/conf/backup_conf.c
+++ b/src/conf/backup_conf.c
@@ -71,6 +71,8 @@ virDomainBackupDefFree(virDomainBackupDefPtr def)
virDomainBackupDiskDefPtr disk = def->disks + i;
g_free(disk->name);
+ g_free(disk->exportname);
+ g_free(disk->exportbitmap);
virObjectUnref(disk->store);
}
@@ -124,6 +126,11 @@ virDomainBackupDiskDefParseXML(xmlNodePtr node,
if (def->backup == VIR_TRISTATE_BOOL_NO)
return 0;
+ if (!push) {
+ def->exportname = virXMLPropString(node, "exportname");
+ def->exportbitmap = virXMLPropString(node, "exportbitmap");
+ }
+
if (internal) {
if (!(state = virXMLPropString(node, "state")) ||
(tmp = virDomainBackupDiskStateTypeFromString(state)) < 0) {
@@ -165,6 +172,7 @@ virDomainBackupDiskDefParseXML(xmlNodePtr node,
storageSourceParseFlags, xmlopt) < 0)
return -1;
+
if ((driver = virXPathString("string(./driver/@type)", ctxt))) {
def->store->format = virStorageFileFormatTypeFromString(driver);
if (def->store->format <= 0) {
@@ -333,6 +341,9 @@ virDomainBackupDiskDefFormat(virBufferPtr buf,
if (disk->backup == VIR_TRISTATE_BOOL_YES) {
virBufferAsprintf(&attrBuf, " type='%s'",
virStorageTypeToString(disk->store->type));
+ virBufferEscapeString(&attrBuf, " exportname='%s'", disk->exportname);
+ virBufferEscapeString(&attrBuf, " exportbitmap='%s'",
disk->exportbitmap);
+
if (disk->store->format > 0)
virBufferEscapeString(&childBuf, "<driver type='%s'/>\n",
virStorageFileFormatTypeToString(disk->store->format));
diff --git a/src/conf/backup_conf.h b/src/conf/backup_conf.h
index 7cf44245d4..672fd52ee7 100644
--- a/src/conf/backup_conf.h
+++ b/src/conf/backup_conf.h
@@ -51,6 +51,8 @@ typedef virDomainBackupDiskDef *virDomainBackupDiskDefPtr;
struct _virDomainBackupDiskDef {
char *name; /* name matching the <target dev='...' of the domain */
virTristateBool backup; /* whether backup is requested */
+ char *exportname; /* name of the NBD export for pull mode backup */
+ char *exportbitmap; /* name of the bitmap exposed in NBD for pull mode
backup */
/* details of target for push-mode, or of the scratch file for pull-mode */
virStorageSourcePtr store;
diff --git a/tests/domainbackupxml2xmlin/backup-pull-seclabel.xml
b/tests/domainbackupxml2xmlin/backup-pull-seclabel.xml
index a00d8758bb..4e6e602c19 100644
--- a/tests/domainbackupxml2xmlin/backup-pull-seclabel.xml
+++ b/tests/domainbackupxml2xmlin/backup-pull-seclabel.xml
@@ -2,7 +2,7 @@
<incremental>1525889631</incremental>
<server transport='tcp' name='localhost' port='10809'/>
<disks>
- <disk name='vda' type='file'>
+ <disk name='vda' type='file' exportname='test-vda' exportbitmap='blah'>
<driver type='qcow2'/>
<scratch file='/path/to/file'>
<seclabel model='dac' relabel='no'/>
diff --git a/tests/domainbackupxml2xmlout/backup-pull-seclabel.xml
b/tests/domainbackupxml2xmlout/backup-pull-seclabel.xml
index c631c9b979..450f007d3a 100644
--- a/tests/domainbackupxml2xmlout/backup-pull-seclabel.xml
+++ b/tests/domainbackupxml2xmlout/backup-pull-seclabel.xml
@@ -2,7 +2,7 @@
<incremental>1525889631</incremental>
<server transport='tcp' name='localhost' port='10809'/>
<disks>
- <disk name='vda' backup='yes' type='file'>
+ <disk name='vda' backup='yes' type='file' exportname='test-vda'
exportbitmap='blah'>
<driver type='qcow2'/>
<scratch file='/path/to/file'>
<seclabel model='dac' relabel='no'/>
--
2.23.0
--
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