[libvirt] [PATCH 05/12] conf: add 'script' attribute to disk specification
Script to be called to prepare custom device for domain. Done with Xen
in mind, it maps to libxl_device_disk.script.
XML configuration would be:
<disk type='block' device='disk'>
<source dev='/dev/mapper/custom-device'/>
<script path='/script/to/setup/custom-device'/>
<target dev='xvdc'/>
</disk>
---
src/conf/domain_conf.c | 10 ++++++++++
src/conf/domain_conf.h | 1 +
2 files changed, 11 insertions(+)
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index f3fca7f..257a265 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -1102,6 +1102,7 @@ void virDomainDiskDefFree(virDomainDiskDefPtr def)
VIR_FREE(def->wwn);
VIR_FREE(def->vendor);
VIR_FREE(def->product);
+ VIR_FREE(def->script);
if (def->auth.secretType == VIR_DOMAIN_DISK_SECRET_TYPE_USAGE)
VIR_FREE(def->auth.secret.usage);
virStorageEncryptionFree(def->encryption);
@@ -3993,6 +3994,7 @@ virDomainDiskDefParseXML(virCapsPtr caps,
char *wwn = NULL;
char *vendor = NULL;
char *product = NULL;
+ char *script = NULL;
int expected_secret_usage = -1;
int auth_secret_usage = -1;
@@ -4148,6 +4150,9 @@ virDomainDiskDefParseXML(virCapsPtr caps,
if (target &&
STRPREFIX(target, "ioemu:"))
memmove(target, target+6, strlen(target)-5);
+ } else if (!script &&
+ xmlStrEqual(cur->name, BAD_CAST "script")) {
+ script = virXMLPropString(cur, "path");
} else if (xmlStrEqual(cur->name, BAD_CAST "geometry")) {
if (virXPathUInt("string(./geometry/@cyls)",
ctxt, &def->geometry.cylinders) < 0) {
@@ -4690,6 +4695,8 @@ virDomainDiskDefParseXML(virCapsPtr caps,
source = NULL;
def->dst = target;
target = NULL;
+ def->script = script;
+ script = NULL;
def->hosts = hosts;
hosts = NULL;
def->nhosts = nhosts;
@@ -4788,6 +4795,7 @@ cleanup:
VIR_FREE(wwn);
VIR_FREE(vendor);
VIR_FREE(product);
+ VIR_FREE(script);
ctxt->node = save_ctxt;
return def;
@@ -12899,6 +12907,8 @@ virDomainDiskDefFormat(virBufferPtr buf,
}
}
+ virBufferEscapeString(buf, " <script path='%s'/>\n",
def->script);
+
virDomainDiskGeometryDefFormat(buf, def);
virDomainDiskBlockIoDefFormat(buf, def);
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index edddf25..d55d209 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -668,6 +668,7 @@ struct _virDomainDiskDef {
bool rawio_specified;
int rawio; /* no = 0, yes = 1 */
int sgio; /* enum virDomainDiskSGIO */
+ char *script;
size_t nseclabels;
virSecurityDeviceLabelDefPtr *seclabels;
--
1.8.1.4