File libvirt-conf-add-startupPolicy-attribute-for-harddisk.patch of Package libvirt
From 6658460fe49b16042a1af6ba75509e875a7a0a24 Mon Sep 17 00:00:00 2001
Message-Id: <6658460fe49b16042a1af6ba75509e875a7a0a24@dist-git>
From: Guannan Ren <gren@redhat.com>
Date: Fri, 11 Apr 2014 16:34:02 +0200
Subject: [PATCH] conf: add startupPolicy attribute for harddisk
Add startupPolicy attribute for harddisk with type "file",
"block" and "dir". 'requisite' is not supported currently for
harddisk.
(cherry picked from commit 93319da42cd1a23245577dda244998f1ff725703)
(https://bugzilla.redhat.com/show_bug.cgi?id=1014730)
Conflicts:
docs/formatdomain.html.in
src/conf/domain_conf.c
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
---
docs/formatdomain.html.in | 9 ++++++---
docs/schemas/domaincommon.rng | 6 ++++++
src/conf/domain_conf.c | 30 +++++++++++++++++++++++-------
3 files changed, 35 insertions(+), 10 deletions(-)
diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index 2cd5a1a..6023d32 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -1466,8 +1466,8 @@
For a "file" disk type which represents a cdrom or floppy
(the <code>device</code> attribute), it is possible to define
policy what to do with the disk if the source file is not accessible.
- This is done by the <code>startupPolicy</code> attribute, accepting
- these values:
+ This is done by the <code>startupPolicy</code> attribute
+ (<span class="since">Since 0.9.7</span>), accepting these values:
<table class="top_table">
<tr>
<td> mandatory </td>
@@ -1483,7 +1483,10 @@
<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>
diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index f19449e..44db05b 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -1041,6 +1041,9 @@
<ref name="absFilePath"/>
</attribute>
<optional>
+ <ref name="startupPolicy"/>
+ </optional>
+ <optional>
<ref name='devSeclabel'/>
</optional>
</element>
@@ -1058,6 +1061,9 @@
<attribute name="dir">
<ref name="absFilePath"/>
</attribute>
+ <optional>
+ <ref name="startupPolicy"/>
+ </optional>
<empty/>
</element>
</optional>
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 3774b74..dda140b 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -3724,7 +3724,6 @@ virDomainDiskDefParseXML(virCapsPtr caps,
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");
@@ -3817,6 +3816,8 @@ virDomainDiskDefParseXML(virCapsPtr caps,
goto error;
}
+ startupPolicy = virXMLPropString(cur, "startupPolicy");
+
/* People sometimes pass a bogus '' source path
when they mean to omit the source element
completely. eg CDROM without media. This is
@@ -4324,14 +4325,22 @@ virDomainDiskDefParseXML(virCapsPtr caps,
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 &&
+ i == 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 = i;
}
@@ -12563,6 +12572,9 @@ virDomainDiskDefFormat(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);
@@ -12575,8 +12587,12 @@ virDomainDiskDefFormat(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'",
--
1.9.2
