[occi-wg] First Draft of OCCI xml Scheme

[Gary Mazz]

Hi,

This is the first draft of the occi xml scheme.  Its not the final 
version but, its about 100% of what occi defines. I'll be following up 
with the xml reference file.

Notes:
1) This version of the scheme is based on assigning all occi resources 
xml elements and occi metadata to XML attributes.  This creates a 
problem in XML scheme version 1.0. Defining the "id" attributes as 
unique and defining enumerated values for attributes is unsupported.
2)I'll move to the 1.1 version as soon as I figure out 1.1 constraints
3) Occi float values are currently defined as decimal, just to make 
parsing easier.

cheers,
gary

<?xml version="1.0" encoding="utf-8"?>
<xs:schema attributeFormDefault="unqualified" 
elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:element name="collection">
    <xs:complexType>
      <xs:sequence>
        <xs:element maxOccurs="unbounded" name="compute">
          <xs:complexType>
            <xs:attribute name="id" type="xs:string" use="required" />
            <xs:attribute name="title" type="xs:string" use="optional" />
            <xs:attribute name="summary" type="xs:string" use="optional" />
            <xs:attribute name="cores" type="xs:positiveInteger" 
use="optional" />
            <xs:attribute name="architecture" type="xs:string" 
use="optional" />
            <xs:attribute name="hostname" type="xs:string" use="required" />
          </xs:complexType>
        </xs:element>
        <xs:element maxOccurs="unbounded" name="network">
          <xs:complexType>
            <xs:attribute name="id" type="xs:string" use="required" />
            <xs:attribute name="allocation" type="xs:string" 
use="optional" />
            <xs:attribute name="title" type="xs:string" use="optional" />
            <xs:attribute name="summary" type="xs:string" use="optional" />
            <xs:attribute name="address" type="xs:string" use="optional" />
            <xs:attribute name="gateway" type="xs:string" use="optional" />
            <xs:attribute name="vlan" type="xs:unsignedInteger" 
use="optional" />
            <xs:attribute name="label" type="xs:string" use="optional" />
          </xs:complexType>
        </xs:element>
        <xs:element maxOccurs="unbounded" name="memory">
          <xs:complexType>
            <xs:attribute name="id" type="xs:string" use="required" />
            <xs:attribute name="title" type="xs:string" use="optional" />
            <xs:attribute name="summary" type="xs:string" use="optional" />
            <xs:attribute name="size" type="xs:decimal" use="optional" />
          </xs:complexType>
        </xs:element>
        <xs:element maxOccurs="unbounded" name="storage">
          <xs:complexType>
            <xs:sequence minOccurs="0">
              <xs:element name="link" type="xs:anyurl" />
            </xs:sequence>
            <xs:attribute name="id" type="xs:string" use="required" />
            <xs:attribute name="title" type="xs:string" use="optional" />
            <xs:attribute name="summary" type="xs:string" use="optional" />
            <xs:attribute name="size" type="xs:decimal" use="optional" />
            <xs:attribute name="status" type="xs:string" use="optional" >
           
          </xs:complexType>
        </xs:element>
      </xs:sequence>
      <xs:attribute name="id" type="xs:string" use="required" />
      <xs:attribute name="title" type="xs:string" use="optional" />
      <xs:attribute name="summary" type="xs:string" use="optional" />
    </xs:complexType>
  </xs:element>
</xs:schema>
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