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conf: add startupPolicy attribute for harddisk

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Add startupPolicy attribute for harddisk with type "file",
"block" and "dir". 'requisite' is not supported currently for
harddisk.
This commit is contained in:
Guannan Ren 2013-07-31 15:51:44 +08:00
parent 06844ccbaa
commit 93319da42c
3 changed files with 35 additions and 10 deletions
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8
docs/formatdomain.html.in
View File

@ -1620,7 +1620,8 @@
policy what to do with the disk if the source file is not accessible.
(NB, <code>startupPolicy</code> is not valid for "volume" disk unless
the specified storage volume is of "file" type). This is done by the
<code>startupPolicy</code> attribute, accepting these values:
<code>startupPolicy</code> attribute (<span class="since">Since 0.9.7</span>),
accepting these values:
<table class="top_table">
<tr>
<td> mandatory </td>
@ -1636,7 +1637,10 @@
<td> drop if missing at any start attempt </td>
</tr>
</table>
<span class="since">Since 0.9.7</span>
<span class="since">Since 1.1.2</span> the <code>startupPolicy</code> is extended
to support hard disks besides cdrom and floppy. On guest cold bootup, if a certain disk
is not accessible or its disk chain is broken, with startupPolicy 'optional' the guest
will drop this disk. This feature doesn't support migration currently.
</dd>
<dt><code>mirror</code></dt>
<dd>

6
docs/schemas/domaincommon.rng
View File

@ -1123,6 +1123,9 @@
<attribute name="dev">
<ref name="absFilePath"/>
</attribute>
<optional>
<ref name="startupPolicy"/>
</optional>
<optional>
<ref name='devSeclabel'/>
</optional>
@ -1141,6 +1144,9 @@
<attribute name="dir">
<ref name="absFilePath"/>
</attribute>
<optional>
<ref name="startupPolicy"/>
</optional>
<empty/>
</element>
</optional>

31
src/conf/domain_conf.c
View File

@ -4796,7 +4796,6 @@ virDomainDiskDefParseXML(virDomainXMLOptionPtr xmlopt,
switch (def->type) {
case VIR_DOMAIN_DISK_TYPE_FILE:
source = virXMLPropString(cur, "file");
startupPolicy = virXMLPropString(cur, "startupPolicy");
break;
case VIR_DOMAIN_DISK_TYPE_BLOCK:
source = virXMLPropString(cur, "dev");
@ -4883,7 +4882,6 @@ virDomainDiskDefParseXML(virDomainXMLOptionPtr xmlopt,
case VIR_DOMAIN_DISK_TYPE_VOLUME:
if (virDomainDiskSourcePoolDefParse(cur, def) < 0)
goto error;
startupPolicy = virXMLPropString(cur, "startupPolicy");
break;
default:
virReportError(VIR_ERR_INTERNAL_ERROR,
@ -4892,6 +4890,8 @@ virDomainDiskDefParseXML(virDomainXMLOptionPtr xmlopt,
goto error;
}
startupPolicy = virXMLPropString(cur, "startupPolicy");
/* People sometimes pass a bogus '' source path
when they mean to omit the source element
completely (e.g. CDROM without media). This is
@ -5464,14 +5464,22 @@ virDomainDiskDefParseXML(virDomainXMLOptionPtr xmlopt,
goto error;
}
if (def->device != VIR_DOMAIN_DISK_DEVICE_CDROM &&
def->device != VIR_DOMAIN_DISK_DEVICE_FLOPPY) {
virReportError(VIR_ERR_INVALID_ARG,
_("Setting disk %s is allowed only for "
"cdrom or floppy"),
if (def->type == VIR_DOMAIN_DISK_TYPE_NETWORK) {
virReportError(VIR_ERR_XML_ERROR,
_("Setting disk %s is not allowed for "
"disk of network type"),
startupPolicy);
goto error;
}
if (def->device != VIR_DOMAIN_DISK_DEVICE_CDROM &&
def->device != VIR_DOMAIN_DISK_DEVICE_FLOPPY &&
val == VIR_DOMAIN_STARTUP_POLICY_REQUISITE) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("Setting disk 'requisite' is allowed only for "
"cdrom or floppy"));
goto error;
}
def->startupPolicy = val;
}
@ -14121,6 +14129,9 @@ virDomainDiskSourceDefFormat(virBufferPtr buf,
case VIR_DOMAIN_DISK_TYPE_BLOCK:
virBufferEscapeString(buf, " <source dev='%s'",
def->src);
if (def->startupPolicy)
virBufferEscapeString(buf, " startupPolicy='%s'",
startupPolicy);
if (def->nseclabels) {
virBufferAddLit(buf, ">\n");
virBufferAdjustIndent(buf, 8);
@ -14133,8 +14144,12 @@ virDomainDiskSourceDefFormat(virBufferPtr buf,
}
break;
case VIR_DOMAIN_DISK_TYPE_DIR:
virBufferEscapeString(buf, " <source dir='%s'/>\n",
virBufferEscapeString(buf, " <source dir='%s'",
def->src);
if (def->startupPolicy)
virBufferEscapeString(buf, " startupPolicy='%s'",
startupPolicy);
virBufferAddLit(buf, "/>\n");
break;
case VIR_DOMAIN_DISK_TYPE_NETWORK:
virBufferAsprintf(buf, " <source protocol='%s'",