[libvirt] [PATCH] schema: Allow iSCSI source to have interleaved children

[Michal Privoznik]

There is no need to require users to produce iSCSI disk source
following our ordering of children elements. In fact, we don't
even accept our own order in the schema :(.

Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
---
 docs/schemas/domaincommon.rng                 | 24 ++++++++++---------
 .../disk-network-iscsi-modern.args            |  9 ++++++-
 .../disk-network-iscsi-modern.xml             | 13 ++++++++++
 3 files changed, 34 insertions(+), 12 deletions(-)

diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index 9b555d6acb..76d94b156f 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -1772,17 +1772,19 @@
         <value>iscsi</value>
       </attribute>
       <attribute name="name"/>
-      <ref name="diskSourceCommon"/>
-      <ref name="diskSourceNetworkHost"/>
-      <optional>
-        <ref name="diskAuth"/>
-      </optional>
-      <optional>
-        <ref name="encryption"/>
-      </optional>
-      <optional>
-        <ref name="initiatorinfo"/>
-      </optional>
+      <interleave>
+        <ref name="diskSourceCommon"/>
+        <ref name="diskSourceNetworkHost"/>
+        <optional>
+          <ref name="diskAuth"/>
+        </optional>
+        <optional>
+          <ref name="encryption"/>
+        </optional>
+        <optional>
+          <ref name="initiatorinfo"/>
+        </optional>
+      </interleave>
     </element>
   </define>
 
diff --git a/tests/qemuxml2argvdata/disk-network-iscsi-modern.args b/tests/qemuxml2argvdata/disk-network-iscsi-modern.args
index 762dc0e04a..57eaeb40ee 100644
--- a/tests/qemuxml2argvdata/disk-network-iscsi-modern.args
+++ b/tests/qemuxml2argvdata/disk-network-iscsi-modern.args
@@ -58,4 +58,11 @@ file.target=iqn.1992-01.com.example:server,file.lun=0,file.transport=tcp,\
 file.initiator-name=iqn.1992-01.com.example:client,format=raw,if=none,\
 id=drive-scsi0-0-0-1 \
 -device scsi-block,bus=scsi0.0,channel=0,scsi-id=0,lun=1,\
-drive=drive-scsi0-0-0-1,id=scsi0-0-0-1
+drive=drive-scsi0-0-0-1,id=scsi0-0-0-1 \
+-drive file.driver=iscsi,file.portal=example.org:3260,\
+file.target=iqn.1992-01.com.example:server,file.lun=0,file.transport=tcp,\
+file.user=myname,file.password-secret=AQCVn5hO6HzFAhAAq0NCv8jtJcIcE+HOBlMQ1A,\
+file.initiator-name=iqn.1992-01.com.example:client,format=raw,if=none,\
+id=drive-scsi0-0-0-2 \
+-device scsi-block,bus=scsi0.0,channel=0,scsi-id=0,lun=2,\
+drive=drive-scsi0-0-0-2,id=scsi0-0-0-2
diff --git a/tests/qemuxml2argvdata/disk-network-iscsi-modern.xml b/tests/qemuxml2argvdata/disk-network-iscsi-modern.xml
index 759d5e217f..07bb457bfa 100644
--- a/tests/qemuxml2argvdata/disk-network-iscsi-modern.xml
+++ b/tests/qemuxml2argvdata/disk-network-iscsi-modern.xml
@@ -65,6 +65,19 @@
       </source>
       <target dev='sdb' bus='scsi'/>
     </disk>
+    <disk type='network' device='lun'>
+      <driver name='qemu' type='raw'/>
+      <source protocol='iscsi' name='iqn.1992-01.com.example:server/0'>
+        <host name='example.org' port='3260'/>
+        <initiator>
+          <iqn name='iqn.1992-01.com.example:client'/>
+        </initiator>
+        <auth username='myname'>
+          <secret type='iscsi' usage='mycluster_myname'/>
+        </auth>
+      </source>
+      <target dev='sdc' bus='scsi'/>
+    </disk>
     <controller type='usb' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
     <controller type='scsi' index='0' model='virtio-scsi'/>
-- 
2.24.1