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Re: [libvirt] [PATCH] update libvirt.rng



On Sat, Jul 05, 2008 at 08:01:52PM +0100, John Levon wrote:
> On Sat, Jul 05, 2008 at 05:51:50PM +0100, Daniel P. Berrange wrote:
> 
> > > The below patch makes a significant update to libvirt.rng to bring it
> > > into line with reality. This is an incremental improvement rather than a
> > > full fix. In particular, various parts are still under-specified (e.g.
> > > qemu char devices).
> > > 
> > > This version lets almost all of the XML files in tests/ validate. I'd
> > > appreciate help getting the last few to validate - any volunteers?
> > 
> > Sure - what command are you using to validate ?
> 
> xmllint --noout --relaxng docs/libvirt.rng foo.xml

Here's a further update which makes all of them pass, except for one which
had bogus XML that I've fixed. NB, I've done away with the xenpv/xenfv/kvm
split in the top level domain element since this is unsustainable and does
not really match what the newer XML parser will allow.

Daniel

Index: docs/libvirt.rng
===================================================================
RCS file: /data/cvs/libvirt/docs/libvirt.rng,v
retrieving revision 1.7
diff -u -p -r1.7 libvirt.rng
--- docs/libvirt.rng	14 Mar 2008 11:08:03 -0000	1.7
+++ docs/libvirt.rng	7 Jul 2008 09:11:57 -0000
@@ -8,88 +8,130 @@
 
   <!--
       We handle only document defining a domain
-      Currently the virtualization types supported are:
-        - xen, either paravirualized with a linux os or fully virtualized (hvm)
-	- kvm, requiring a path to the emulator in devices
-	- qemu, where the arch and machine must be provided in the os block
     -->
   <define name='domain'>
     <element name="domain">
-      <choice>
-        <ref name='xen-domain'/>
-        <ref name='kvm-domain'/>
-        <ref name='qemu-domain'/>
-      </choice>
-    </element>
-  </define>
-
-  <!--
-      Description of a Xen domain:
-      The description must start with the identification information and then
-      os or bootloader, resources, features, devices and termination information
-      can be given in any order.
-    -->
-  <define name='xen-domain'>
-    <group>
-      <attribute name='type'>
-        <value>xen</value>
-      </attribute>
+      <ref name='hvs'/>
       <ref name='ids'/>
       <interleave>
-        <choice>
-	  <group>
-            <ref name='os'/>
-	    <optional>
-              <ref name='bootloader'/>
-	    </optional>
-	  </group>
-	  <group>
-	    <ref name='bootloader'/>
-	    <optional>
-              <ref name='os'/>
-	    </optional>
-	  </group>
-	</choice>
+        <ref name='os'/>
+        <ref name='clock'/>
         <ref name='resources'/>
         <ref name='features'/>
         <ref name='termination'/>
-        <ref name='devices'/>
+	<optional>
+          <ref name='devices'/>
+	</optional>
       </interleave>
-    </group>
+    </element>
   </define>
 
-  <!--
-      Description of a QEmu domain:
-      The description must start with the identification information and then
-      os, resources, devices can be given in any order.
-      The specific part are the combinations of architectures and machines
-      being emulated.
-    -->
-  <define name='qemu-domain'>
-    <group>
-      <attribute name='type'>
-        <value>qemu</value>
-      </attribute>
-      <ref name='ids'/>
+  <define name='hvs'>
+    <attribute name='type'>
+      <choice>
+	<value>xen</value>
+	<value>kvm</value>
+	<value>kqemu</value>
+	<value>qemu</value>
+	<value>lxc</value>
+	<value>openvz</value>
+	<value>test</value>
+      </choice>
+    </attribute>
+  </define>
+
+  <define name='os'>
+    <choice>
+      <ref name='osxen'/>
+      <ref name='oshvm'/>
+    </choice>
+  </define>
+
+  <define name='osxen'>
+    <choice>
+      <group>
+	<optional>
+          <ref name='bootloader'/>
+	</optional>
+	<element name='os'>
+	  <ref name='ostypexen'/>
+          <ref name='osbootkernel'/>
+	</element>
+      </group>
+      <group>
+	<ref name='bootloader'/>
+	<optional>
+	  <element name='os'>
+	    <ref name='ostypexen'/>
+	    <optional>
+              <ref name='osbootkernel'/>
+	    </optional>
+	  </element>
+	</optional>
+      </group>
+    </choice>
+  </define>
+
+
+  <define name='oshvm'>
+    <element name='os'>
+      <ref name='ostypehvm'/>
       <interleave>
-        <element name='os'>
-	  <element name='type'>
-	    <choice>
-	      <ref name='qemu-x86'/>
-	      <ref name='qemu-mips'/>
-	      <ref name='qemu-sparc'/>
-	      <ref name='qemu-ppc'/>
-	    </choice>
-	    <value>hvm</value>
+	<optional>
+	  <element name='loader'>
+	    <ref name='absFilePath'/>
 	  </element>
-	</element>
-        <ref name='resources'/>
-        <ref name='devices'/>
+	</optional>
+	<choice>
+          <ref name='osbootkernel'/>
+          <ref name='osbootdev'/>
+	</choice>
       </interleave>
-    </group>
+    </element>
   </define>
 
-  <define name='qemu-x86'>
+
+  <define name='ostypexen'>
+    <element name='type'>
+      <optional>
+	<attribute name='arch'>
+	  <choice>
+	    <value>i686</value>
+	    <value>x86_64</value>
+	    <value>ia64</value>
+	  </choice>
+	</attribute>
+      </optional>
+      <optional>
+	<attribute name='machine'>
+	  <choice>
+	    <value>xenpv</value>
+	    <value>xenner</value>
+	  </choice>
+	</attribute>
+      </optional>
+      <choice>
+	<value>xen</value>
+	<value>linux</value>
+      </choice>
+    </element>
+  </define>
+
+  <define name='ostypehvm'>
+    <element name='type'>
+      <optional>
+	<choice>
+	  <ref name='hvmx86'/>
+	  <ref name='hvmmips'/>
+	  <ref name='hvmsparc'/>
+	  <ref name='hvmppc'/>
+	</choice>
+      </optional>
+      <value>hvm</value>
+    </element>
+  </define>
+
+  <define name='hvmx86'>
     <group>
       <attribute name='arch'>
 	<choice>
@@ -106,7 +148,7 @@
     </group>
   </define>
 
-  <define name='qemu-mips'>
+  <define name='hvmmips'>
     <group>
       <attribute name='arch'>
         <value>mips</value>
@@ -117,7 +159,7 @@
     </group>
   </define>
 
-  <define name='qemu-sparc'>
+  <define name='hvmsparc'>
     <group>
       <attribute name='arch'>
 	<value>sparc</value>
@@ -128,7 +170,7 @@
     </group>
   </define>
 
-  <define name='qemu-ppc'>
+  <define name='hvmppc'>
     <group>
       <attribute name='arch'>
 	<value>ppc</value>
@@ -143,28 +185,6 @@
     </group>
   </define>
 
-  <!--
-      Description of a KVM domain:
-      The description must start with the identification information and then
-      os, resources, devices can be given in any order.
-    -->
-  <define name='kvm-domain'>
-    <group>
-      <attribute name='type'>
-        <value>kvm</value>
-      </attribute>
-      <ref name='ids'/>
-      <interleave>
-        <element name='os'>
-	  <element name='type'>
-	    <value>hvm</value>
-	  </element>
-	</element>
-        <ref name='resources'/>
-        <ref name='devices-with-emulator'/>
-      </interleave>
-    </group>
-  </define>
 
   <!--
       The Identifiers can be:
@@ -208,44 +228,51 @@
       </optional>
       <optional>
         <element name='vcpu'>
+          <optional>
+            <attribute name='cpuset' />
+          </optional>
           <ref name='countCPU'/>
         </element>
       </optional>
     </interleave>
   </define>
 
+  <define name='clock'>
+    <optional>
+      <element name='clock'>
+        <attribute name='offset'>
+          <choice>
+            <value>localtime</value>
+            <value>utc</value>
+          </choice>
+        </attribute>
+        <empty/>
+      </element>
+    </optional>
+  </define>
+
   <!--
       A bootloader may be used to extract the OS information instead of
       defining the OS parameter in the instance. It points just to the
       binary or script used to extract the data from the first disk device.
     -->
   <define name='bootloader'>
-    <element name='bootloader'>
-      <ref name='absFilePath'/>
-    </element>
-  </define>
-  <!--
-      The Operating system can be:
-      - a linux paravirtualized OS
-      - a fully virtualized machine where the OS is unknown
-    -->
-  <define name='os'>
-    <element name='os'>
-      <choice>
-        <ref name='linux'/>
-        <ref name='hvm'/>
-      </choice>
-    </element>
+    <interleave>
+      <element name='bootloader'>
+	<choice>
+	  <ref name='absFilePath'/>
+	  <empty/>
+	</choice>
+      </element>
+      <optional>
+	<element name='bootloader_args'>
+	  <text/>
+	</element>
+      </optional>
+    </interleave>
   </define>
 
-  <!--
-      A paravirtualized linux domain, this requires at least a kernel path
-      and the root device, the initrd and command line arguments are optional
-    -->
-  <define name='linux'>
-    <element name='type'>
-      <value>linux</value>
-    </element>
+  <define name='osbootkernel'>
     <interleave>
       <element name='kernel'>
         <ref name='absFilePath'/>
@@ -268,31 +295,36 @@
     </interleave>
   </define>
 
-  <!--
-      A fully virtualized domain, this requires the path to the loader and
-      an optional boot device (hd, fd or cdrom).
-    -->
-  <define name='hvm'>
-    <element name='type'>
-      <value>hvm</value>
+  <define name='osbootdev'>
+    <element name='boot'>
+      <attribute name='dev'>
+        <choice>
+          <value>hd</value>
+          <value>fd</value>
+          <value>cdrom</value>
+          <value>network</value>
+        </choice>
+      </attribute>
+      <empty/>
     </element>
-    <interleave>
-      <element name='loader'>
-        <ref name='absFilePath'/>
+  </define>
+
+
+  <define name='diskspec'>
+    <optional>
+      <ref name='driver'/>
+    </optional>
+    <ref name='target'/>
+    <optional>
+      <element name='readonly'>
+        <empty/>
       </element>
-      <optional>
-        <element name='boot'>
-	  <attribute name='dev'>
-	    <choice>
-	      <value>hd</value>
-	      <value>fd</value>
-	      <value>cdrom</value>
-	    </choice>
-	  </attribute>
-	  <empty/>
-	</element>
-      </optional>
-    </interleave>
+    </optional>
+    <optional>
+      <element name='shareable'>
+        <empty/>
+      </element>
+    </optional>
   </define>
 
   <!--
@@ -315,43 +347,36 @@
         <group>
           <attribute name='type'>
 	    <value>file</value>
-	  </attribute>
+          </attribute>
 	  <interleave>
-	    <element name='source'>
-	      <attribute name='file'>
-	        <ref name='absFilePath'/>
-	      </attribute>
-	      <empty/>
-	    </element>
-	    <optional>
-	      <ref name='driver'/>
-	    </optional>
-	    <ref name='target'/>
 	    <optional>
-	      <ref name='readonly'/>
+  	      <element name='source'>
+  		<attribute name='file'>
+  	          <ref name='absFilePath'/>
+  		</attribute>
+  		<empty/>
+  	      </element>
 	    </optional>
-	  </interleave>
+            <ref name='diskspec'/>
+  	  </interleave>
         </group>
         <group>
           <attribute name='type'>
-	    <value>block</value>
-	  </attribute>
-	  <interleave>
-	    <element name='source'>
-	      <attribute name='dev'>
-	        <ref name='deviceName'/>
-	      </attribute>
-	      <empty/>
-	    </element>
-	    <optional>
-	      <ref name='driver'/>
-	    </optional>
-	    <ref name='target'/>
+  	    <value>block</value>
+  	  </attribute>
+  	  <interleave>
 	    <optional>
-	      <ref name='readonly'/>
+  	      <element name='source'>
+  		<attribute name='dev'>
+  	          <ref name='deviceName'/>
+  		</attribute>
+  		<empty/>
+  	      </element>
 	    </optional>
-	  </interleave>
+            <ref name='diskspec'/>
+  	  </interleave>
         </group>
+        <ref name='diskspec'/>
       </choice>
     </element>
   </define>
@@ -361,12 +386,16 @@
       <attribute name='dev'>
 	<ref name='deviceName'/>
       </attribute>
-    </element>
-  </define>
-
-  <define name='readonly'>
-    <element name='readonly'>
-      <empty/>
+      <optional>
+         <attribute name='bus'>
+           <choice>
+             <value>ide</value>
+             <value>virtio</value>
+             <value>fdc</value>
+             <value>xen</value>
+           </choice>
+         </attribute>
+      </optional>
     </element>
   </define>
 
@@ -376,23 +405,23 @@
       extended in the future, and libvirt doesn't look for specific values.
     -->
   <define name='driver'>
-      <element name='driver'>
-        <attribute name='name'>
+    <element name='driver'>
+      <attribute name='name'>
+	<ref name='genericName'/>
+      </attribute>
+      <optional>
+        <attribute name='type'>
 	  <ref name='genericName'/>
 	</attribute>
-        <optional>
-          <attribute name='type'>
-	    <ref name='genericName'/>
-	  </attribute>
-	</optional>
-	<empty/>
-      </element>
+      </optional>
+      <empty/>
+    </element>
   </define>
   <!--
       An interface description can either be of type bridge in which case
       it will use a bridging source, or of type ethernet which uses a device
       source and a device target instead. They both share a set of interface
-      options.
+      options. FIXME
     -->
   <define name='interface'>
     <element name='interface'>
@@ -402,12 +431,14 @@
             <value>bridge</value>
           </attribute>
 	  <interleave>
-	    <element name='source'>
-	      <attribute name='bridge'>
-		<ref name='deviceName'/>
-	      </attribute>
-	      <empty/>
-	    </element>
+            <optional>
+	      <element name='source'>
+	        <attribute name='bridge'>
+	  	  <ref name='deviceName'/>
+	        </attribute>
+	        <empty/>
+	      </element>
+            </optional>
 	    <ref name='interface-options'/>
 	  </interleave>
 	</group>
@@ -416,8 +447,24 @@
             <value>ethernet</value>
           </attribute>
 	  <interleave>
+            <optional>
+	      <element name='source'>
+  	        <attribute name='dev'>
+	  	  <ref name='deviceName'/>
+	        </attribute>
+	        <empty/>
+	      </element>
+            </optional>
+	    <ref name='interface-options'/>
+	  </interleave>
+	</group>
+        <group>
+          <attribute name='type'>
+            <value>network</value>
+          </attribute>
+	  <interleave>
 	    <element name='source'>
-	      <attribute name='dev'>
+	      <attribute name='network'>
 		<ref name='deviceName'/>
 	      </attribute>
 	      <empty/>
@@ -445,44 +492,50 @@
 	- the target device used
     -->
   <define name='interface-options'>
-      <interleave>
-	<optional>
-	  <element name='target'>
-	    <attribute name='dev'>
-	      <ref name='deviceName'/>
-	    </attribute>
-	    <empty/>
-	  </element>
-	</optional>
-	<optional>
-	  <element name='mac'>
-	    <attribute name='address'>
-	      <ref name='addrMAC'/>
-	    </attribute>
-	    <empty/>
-	  </element>
-	</optional>
-	<optional>
-	  <element name='ip'>
-	    <attribute name='address'>
-	      <ref name='addrIP'/>
-	    </attribute>
-	    <empty/>
-	  </element>
-	</optional>
-	<optional>
-	  <element name='script'>
-	    <attribute name='path'>
-	      <ref name='filePath'/>
+    <interleave>
+      <optional>
+	<element name='target'>
+	  <attribute name='dev'>
+	    <ref name='deviceName'/>
+	  </attribute>
+	  <empty/>
+	</element>
+      </optional>
+      <optional>
+	<element name='mac'>
+	  <attribute name='address'>
+	    <ref name='addrMAC'/>
 	    </attribute>
-	    <empty/>
-	  </element>
-	</optional>
-      </interleave>
+	  <empty/>
+	</element>
+      </optional>
+      <optional>
+	<element name='ip'>
+	  <attribute name='address'>
+	    <ref name='addrIP'/>
+	  </attribute>
+	  <empty/>
+	</element>
+      </optional>
+      <optional>
+	<element name='script'>
+	  <attribute name='path'>
+	    <ref name='filePath'/>
+	  </attribute>
+	  <empty/>
+	</element>
+      </optional>
+      <optional>
+	<element name='model'>
+	  <attribute name='type' />
+	  <empty/>
+	</element>
+      </optional>
+    </interleave>
   </define>
 
   <!--
-      An emulator descritpion is just a path to the binary used for the task
+      An emulator description is just a path to the binary used for the task
     -->
   <define name='emulator'>
     <element name='emulator'>
@@ -493,7 +546,8 @@
   <!--
       A graphic description, currently in Xen only 2 types are supported:
         - sdl without arguments
-	- vnc with a required port and optional listen IP address and password
+	- vnc with a required port and optional listen IP address, password
+          and keymap
     -->
   <define name='graphic'>
     <element name='graphics'>
@@ -505,9 +559,19 @@
           <attribute name='type'>
 	    <value>vnc</value>
 	  </attribute>
-          <attribute name='port'>
-	    <ref name='PortNumber'/>
-	  </attribute>
+	  <optional>
+            <attribute name='port'>
+	      <ref name='PortNumber'/>
+	    </attribute>
+	  </optional>
+	  <optional>
+	    <attribute name='autoport'>
+	      <choice>
+		<value>yes</value>
+		<value>no</value>
+	      </choice>
+	    </attribute>
+	  </optional>
 	  <optional>
 	    <attribute name='listen'>
 	      <ref name='addrIP'/>
@@ -518,6 +582,11 @@
 	      <text/>
 	    </attribute>
 	  </optional>
+          <optional>
+            <attribute name='keymap'>
+              <text/>
+            </attribute>
+          </optional>
 	</group>
       </choice>
     </element>
@@ -565,66 +634,149 @@
   </define>
 
   <!--
+      Specific setup for a qemu emulated character device.  Note: this
+      definition doesn't fully specify the constraints on this node.
+    -->
+  <define name='qemucdev'>
+    <attribute name='type'>
+      <choice>
+        <value>dev</value>
+        <value>file</value>
+        <value>pipe</value>
+        <value>unix</value>
+        <value>tcp</value>
+        <value>udp</value>
+        <value>null</value>
+        <value>stdio</value>
+        <value>vc</value>
+        <value>pty</value>
+      </choice>
+    </attribute>
+    
+    <interleave>
+      <optional>
+        <oneOrMore>
+          <element name='source'>
+            <optional>
+              <attribute name='mode' />
+            </optional>
+            <optional>
+              <attribute name='path' />
+            </optional>
+            <optional>
+              <attribute name='host' />
+            </optional>
+            <optional>
+              <attribute name='service' />
+            </optional>
+            <optional>
+              <attribute name='wiremode' />
+            </optional>
+          </element>
+        </oneOrMore>
+      </optional>
+      <optional>
+        <element name='protocol'>
+          <optional>
+            <attribute name='type' />
+          </optional>
+        </element>
+      </optional>
+      <optional>
+        <element name='target'>
+          <optional>
+            <attribute name='port' />
+          </optional>
+        </element>
+      </optional>
+    </interleave>
+  </define>
+
+  <!--
       The description for a console
       just a tty device
     -->
   <define name='console'>
     <element name='console'>
-      <attribute name='tty'>
-        <ref name='devicePath'/>
+      <choice>
+        <group>
+          <optional>
+            <attribute name='tty'>
+              <ref name='devicePath'/>
+            </attribute>
+          </optional>
+          <empty/>
+        </group>
+        <ref name='qemucdev' />
+      </choice>
+    </element>
+  </define>
+
+  <define name='sound'>
+    <element name='sound'>
+      <attribute name='model'>
+        <choice>
+          <value>sb16</value>
+          <value>es1370</value>
+          <value>pcspk</value>
+        </choice>
       </attribute>
-      <empty/>
     </element>
   </define>
 
-  <!--
-      The devices bloc allows:
-      - an optional emulator path, restricted to hvm configs but hard to check
-      - an optional graphic description , restricted to hvm configs too
-      - zero or more disk devices
-      - zero or more interface devices
-    -->
-  <define name='devices'>
-    <element name='devices'>
-      <interleave>
-	<optional>
-	  <ref name='emulator'/>
-	</optional>
-	<optional>
-	  <ref name='graphic'/>
-	</optional>
-	<zeroOrMore>
-	  <ref name='disk'/>
-	</zeroOrMore>
-	<zeroOrMore>
-	  <ref name='interface'/>
-	</zeroOrMore>
-	<optional>
-	  <ref name='console'/>
-	</optional>
-      </interleave>
+  <define name='parallel'>
+    <element name='parallel'>
+      <ref name='qemucdev' />
+    </element>
+  </define>
+
+  <define name='serial'>
+    <element name='serial'>
+      <ref name='qemucdev' />
+    </element>
+  </define>
+
+  <define name='input'>
+    <element name='input'>
+      <attribute name='type'>
+        <choice>
+          <value>tablet</value>
+          <value>mouse</value>
+        </choice>
+      </attribute>
+      <optional>
+        <attribute name='bus'>
+          <choice>
+            <value>ps2</value>
+            <value>usb</value>
+            <value>xen</value>
+          </choice>
+        </attribute>
+      </optional>
     </element>
   </define>
 
   <!--
-      Sometimes the emulator is mandatory, e.g. with KVM
+      Devices attached to a domain.
     -->
-  <define name='devices-with-emulator'>
+  <define name='devices'>
     <element name='devices'>
       <interleave>
-	<ref name='emulator'/>
 	<optional>
-	  <ref name='graphic'/>
+	  <ref name='emulator'/>
 	</optional>
 	<zeroOrMore>
-	  <ref name='disk'/>
-	</zeroOrMore>
-	<zeroOrMore>
-	  <ref name='interface'/>
+	  <choice>
+	    <ref name='graphic'/>
+	    <ref name='disk'/>
+	    <ref name='interface'/>
+	    <ref name='console'/>
+            <ref name='sound'/>
+            <ref name='parallel'/>
+            <ref name='serial'/>
+            <ref name='input'/>
+	  </choice>
 	</zeroOrMore>
-	<optional>
-	  <ref name='console'/>
-	</optional>
       </interleave>
     </element>
   </define>
@@ -688,7 +840,7 @@
   </define>
   <define name='domainName'>
     <data type='string'>
-      <param name="pattern">[a-zA-Z0-9_\+\-]+</param>
+      <param name="pattern">[a-zA-Z0-9_\+\-&amp;]+</param>
     </data>
   </define>
   <define name='genericName'>
@@ -708,12 +860,12 @@
   </define>
   <define name='filePath'>
     <data type='string'>
-      <param name="pattern">[a-zA-Z0-9_\+\-%./]+</param>
+      <param name="pattern">[a-zA-Z0-9_\+\-%./&amp;]+</param>
     </data>
   </define>
   <define name='absFilePath'>
     <data type='string'>
-      <param name="pattern">/[a-zA-Z0-9_\+\-%./]+</param>
+      <param name="pattern">/[a-zA-Z0-9_\+\-%./&amp;]+</param>
     </data>
   </define>
   <define name='devicePath'>
Index: tests/qemuxml2argvdata/qemuxml2argv-input-xen.xml
===================================================================
RCS file: /data/cvs/libvirt/tests/qemuxml2argvdata/qemuxml2argv-input-xen.xml,v
retrieving revision 1.1
diff -u -p -r1.1 qemuxml2argv-input-xen.xml
--- tests/qemuxml2argvdata/qemuxml2argv-input-xen.xml	15 May 2008 16:11:40 -0000	1.1
+++ tests/qemuxml2argvdata/qemuxml2argv-input-xen.xml	7 Jul 2008 09:11:57 -0000
@@ -4,9 +4,9 @@
   <memory>219200</memory>
   <currentMemory>219200</currentMemory>
   <vcpu>1</vcpu>
+  <bootloader>/foo</bootloader>
   <os>
     <type>xen</type>
-    <boot dev='hd'/>
   </os>
   <clock offset='utc'/>
   <on_poweroff>destroy</on_poweroff>

-- 
|: Red Hat, Engineering, London   -o-   http://people.redhat.com/berrange/ :|
|: http://libvirt.org  -o-  http://virt-manager.org  -o-  http://ovirt.org :|
|: http://autobuild.org       -o-         http://search.cpan.org/~danberr/ :|
|: GnuPG: 7D3B9505  -o-  F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :|


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