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domain: parse XML for iscsi authorization credentials

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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2013-03-21 12:53:53 +01:00 committed by Osier Yang
parent adba070122
commit 6dca6d84ed
5 changed files with 64 additions and 14 deletions
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12
docs/formatdomain.html.in
View File

@ -1768,12 +1768,12 @@
holds the actual password or other credentials (the domain XML
intentionally does not expose the password, only the reference
to the object that does manage the password). For now, the
only known secret <code>type</code> is "ceph", for Ceph RBD
network sources, and requires either an
attribute <code>uuid</code> with the UUID of the Ceph secret
object, or an attribute <code>usage</code> with the name
associated with the Ceph secret
object. <span class="since">libvirt 0.9.7</span>
known secret <code>type</code>s are "ceph", for Ceph RBD
network sources, and "iscsi", for CHAP authentication of iSCSI
targets. Both require either a <code>uuid</code> attribute
with the UUID of the secret object, or a <code>usage</code>
attribute matching the key that was specified in the
secret object. <span class="since">libvirt 0.9.7</span>
</dd>
<dt><code>geometry</code></dt>
<dd>The optional <code>geometry</code> element provides the

1
docs/schemas/domaincommon.rng
View File

@ -3642,6 +3642,7 @@
<attribute name='type'>
<choice>
<value>ceph</value>
<value>iscsi</value>
</choice>
</attribute>
<choice>

33
src/conf/domain_conf.c
View File

@ -3992,6 +3992,8 @@ virDomainDiskDefParseXML(virCapsPtr caps,
char *wwn = NULL;
char *vendor = NULL;
char *product = NULL;
int expected_secret_usage = -1;
int auth_secret_usage = -1;
if (VIR_ALLOC(def) < 0) {
virReportOOMError();
@ -4029,7 +4031,6 @@ virDomainDiskDefParseXML(virCapsPtr caps,
if (cur->type == XML_ELEMENT_NODE) {
if (!source && !hosts &&
xmlStrEqual(cur->name, BAD_CAST "source")) {
sourceNode = cur;
switch (def->type) {
@ -4057,6 +4058,11 @@ virDomainDiskDefParseXML(virCapsPtr caps,
protocol);
goto error;
}
if (def->protocol == VIR_DOMAIN_DISK_PROTOCOL_ISCSI) {
expected_secret_usage = VIR_SECRET_USAGE_TYPE_ISCSI;
} else if (def->protocol == VIR_DOMAIN_DISK_PROTOCOL_RBD) {
expected_secret_usage = VIR_SECRET_USAGE_TYPE_CEPH;
}
if (!(source = virXMLPropString(cur, "name")) &&
def->protocol != VIR_DOMAIN_DISK_PROTOCOL_NBD) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
@ -4242,8 +4248,9 @@ virDomainDiskDefParseXML(virCapsPtr caps,
_("missing type for secret"));
goto error;
}
if (virSecretUsageTypeTypeFromString(usageType) !=
VIR_SECRET_USAGE_TYPE_CEPH) {
auth_secret_usage =
virSecretUsageTypeTypeFromString(usageType);
if (auth_secret_usage < 0) {
virReportError(VIR_ERR_XML_ERROR,
_("invalid secret type %s"),
usageType);
@ -4393,6 +4400,13 @@ virDomainDiskDefParseXML(virCapsPtr caps,
cur = cur->next;
}
if (auth_secret_usage != -1 && auth_secret_usage != expected_secret_usage) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("invalid secret type '%s'"),
virSecretUsageTypeTypeToString(auth_secret_usage));
goto error;
}
device = virXMLPropString(node, "device");
if (device) {
if ((def->device = virDomainDiskDeviceTypeFromString(device)) < 0) {
@ -12787,15 +12801,18 @@ virDomainDiskDefFormat(virBufferPtr buf,
if (def->auth.username) {
virBufferEscapeString(buf, " <auth username='%s'>\n",
def->auth.username);
if (def->protocol == VIR_DOMAIN_DISK_PROTOCOL_ISCSI) {
virBufferAsprintf(buf, " <secret type='iscsi'");
} else if (def->protocol == VIR_DOMAIN_DISK_PROTOCOL_RBD) {
virBufferAsprintf(buf, " <secret type='ceph'");
}
if (def->auth.secretType == VIR_DOMAIN_DISK_SECRET_TYPE_UUID) {
virUUIDFormat(def->auth.secret.uuid, uuidstr);
virBufferAsprintf(buf,
" <secret type='ceph' uuid='%s'/>\n",
uuidstr);
virBufferAsprintf(buf, " uuid='%s'/>\n", uuidstr);
}
if (def->auth.secretType == VIR_DOMAIN_DISK_SECRET_TYPE_USAGE) {
virBufferEscapeString(buf,
" <secret type='ceph' usage='%s'/>\n",
virBufferEscapeString(buf, " usage='%s'/>\n",
def->auth.secret.usage);
}
virBufferAddLit(buf, " </auth>\n");

31
tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-iscsi-auth.xml Normal file
View File

@ -0,0 +1,31 @@
<domain type='qemu'>
<name>QEMUGuest1</name>
<uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
<memory unit='KiB'>219136</memory>
<currentMemory unit='KiB'>219136</currentMemory>
<vcpu placement='static'>1</vcpu>
<os>
<type arch='i686' machine='pc'>hvm</type>
<boot dev='hd'/>
</os>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/bin/qemu</emulator>
<disk type='network' device='disk'>
<driver name='qemu' type='raw'/>
<auth username='myname'>
<secret type='iscsi' usage='mycluster_myname'/>
</auth>
<source protocol='iscsi' name='iqn.1992-01.com.example'>
<host name='example.org'/>
</source>
<target dev='vda' bus='virtio'/>
</disk>
<controller type='usb' index='0'/>
<controller type='ide' index='0'/>
<memballoon model='virtio'/>
</devices>
</domain>

1
tests/qemuxml2xmltest.c
View File

@ -175,6 +175,7 @@ mymain(void)
DO_TEST("disk-drive-network-nbd-ipv6-export");
DO_TEST("disk-drive-network-nbd-unix");
DO_TEST("disk-drive-network-iscsi");
DO_TEST("disk-drive-network-iscsi-auth");
DO_TEST("disk-scsi-device");
DO_TEST("disk-scsi-vscsi");
DO_TEST("disk-scsi-virtio-scsi");