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With the recent refactoring of the domain code, plus the changes with the Xend

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code, a couple of bugs were introduced into the attach-disk and attach-interface
functionality.  This patch fixes 3 bugs:

1)  In xenDaemonAttachDevice(), there is a switch statement to determine which
of the xenDaemonFormatSxpr{Disk,Net} functions to call.  Unfortunately, the case
statements are all missing the corresponding "break", so we always fall-through
to the default error case.  This patch just adds the appropriate break statements.

2)  (minor) In xenDaemonDomainDefineXML (that's a mouthful!), there is a stray
"fprintf".  This is now converted to a proper virXendError().

3)  xenDaemonFormatSxpr{Disk,Net} were adding an extra (device to the front of
the sexpr expressions that xend did not expect (this is Xend on RHEL 5.2).
Because of this, the attaches would fail.  The patch fixes this by removing the
(device from the front, which makes attach-disk and attach-interface work again.

Signed-off-by: Chris Lalancette <clalance@redhat.com>
This commit is contained in:
Chris Lalancette 2008-08-05 16:45:07 +00:00
parent 8c30002862
commit 6335c2a0cc
2 changed files with 15 additions and 5 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
Tue Aug 5 18:43:00 CEST 2008 Chris Lalancette <clalance@redhat.com>
* src/xend_internal.c: Fix three bugs related to virsh attach-disk:
a) make sure to break in the xenDaemonAttachDevice() in the switch
b) convert a stray fprintf to a virXendError()
c) remove an additional "(device" on the front of the sexpr
expression passed to xend. This actually fixes virsh attach-disk
and virsh attach-interface work with Xen again
Tue Aug 5 18:36:00 CEST 2008 Chris Lalancette <clalance@redhat.com>
* src/stats_linux.c tests/statstest.c: Update the parsing of disks for
xen block statistics. In particular, add support for > 16 xvd devices

12
src/xend_internal.c
View File

@ -3900,6 +3900,7 @@ xenDaemonAttachDevice(virDomainPtr domain, const char *xml)
STREQ(def->os.type, "hvm") ? 1 : 0,
priv->xendConfigVersion) < 0)
goto cleanup;
break;
case VIR_DOMAIN_DEVICE_NET:
if (xenDaemonFormatSxprNet(domain->conn,
@ -3908,6 +3909,7 @@ xenDaemonAttachDevice(virDomainPtr domain, const char *xml)
STREQ(def->os.type, "hvm") ? 1 : 0,
priv->xendConfigVersion) < 0)
goto cleanup;
break;
default:
virXendError(domain->conn, VIR_ERR_NO_SUPPORT, "%s",
@ -4292,7 +4294,8 @@ virDomainPtr xenDaemonDomainDefineXML(virConnectPtr conn, const char *xmlDesc) {
ret = xend_op(conn, "", "op", "new", "config", sexpr, NULL);
VIR_FREE(sexpr);
if (ret != 0) {
fprintf(stderr, _("Failed to create inactive domain %s\n"), name);
virXendError(conn, VIR_ERR_XEN_CALL,
_("Failed to create inactive domain %s\n"), name);
goto error;
}
@ -5029,7 +5032,6 @@ xenDaemonFormatSxprDisk(virConnectPtr conn ATTRIBUTE_UNUSED,
xendConfigVersion == 1)
return 0;
virBufferAddLit(buf, "(device ");
/* Normally disks are in a (device (vbd ...)) block
* but blktap disks ended up in a differently named
* (device (tap ....)) block.... */
@ -5083,7 +5085,7 @@ xenDaemonFormatSxprDisk(virConnectPtr conn ATTRIBUTE_UNUSED,
else
virBufferAddLit(buf, "(mode 'w')");
virBufferAddLit(buf, "))");
virBufferAddLit(buf, ")");
return 0;
}
@ -5117,7 +5119,7 @@ xenDaemonFormatSxprNet(virConnectPtr conn,
return -1;
}
virBufferAddLit(buf, "(device (vif ");
virBufferAddLit(buf, "(vif ");
virBufferVSprintf(buf,
"(mac '%02x:%02x:%02x:%02x:%02x:%02x')",
@ -5177,7 +5179,7 @@ xenDaemonFormatSxprNet(virConnectPtr conn,
if ((hvm) && (xendConfigVersion < 4))
virBufferAddLit(buf, "(type ioemu)");
virBufferAddLit(buf, "))");
virBufferAddLit(buf, ")");
return 0;
}