Issue#5

example-data/complex-vnfd.xml

@@ -210,6 +210,18 @@
 	<operate-vnf-op-config>
 	  <min-graceful-stop-timeout>1</min-graceful-stop-timeout>
 	</operate-vnf-op-config>
+	<create-snapshot-vnf-op-config>
+	  <parameter>
+	    <key>1</key>
+	    <value>1</value>
+	  </parameter>
+	</create-snapshot-vnf-op-config>
+	<revert-to-snapshot-vnf-op-config>
+	  <parameter>
+	    <key>1</key>
+	    <value>1</value>
+	  </parameter>
+	</revert-to-snapshot-vnf-op-config>
       </lcm-operations-configuration>
       <affinity-or-anti-affinity-group>
         <id>control-plane</id>
@@ -281,6 +293,18 @@
 	<operate-vnf-op-config>
 	  <min-graceful-stop-timeout>1</min-graceful-stop-timeout>
 	</operate-vnf-op-config>
+	<create-snapshot-vnf-op-config>
+	  <parameter>
+	    <key>1</key>
+	    <value>1</value>
+	  </parameter>
+	</create-snapshot-vnf-op-config>
+	<revert-to-snapshot-vnf-op-config>
+	  <parameter>
+	    <key>1</key>
+	    <value>1</value>
+	  </parameter>
+	</revert-to-snapshot-vnf-op-config>
       </lcm-operations-configuration>
       <affinity-or-anti-affinity-group>
         <id>control-plane</id>

example-data/nfv-nsd.xml

-<nsd xmlns="urn:etsi:nfv:yang:etsi-nfv-nsd">
+<nfv xmlns="urn:etsi:nfv:yang:etsi-nfv-descriptors">
   <vnfd>
     <id>ASA</id>
     <provider>My Company</provider>
@@ -100,6 +100,20 @@
         </vdu-level>
       </instantiation-level>
       <default-instantiation-level>single</default-instantiation-level>
+      <lcm-operations-configuration>
+	<create-snapshot-vnf-op-config>
+	  <parameter>
+	    <key>1</key>
+	    <value>1</value>
+	  </parameter>
+	</create-snapshot-vnf-op-config>
+	<revert-to-snapshot-vnf-op-config>
+	  <parameter>
+	    <key>1</key>
+	    <value>1</value>
+	  </parameter>
+	</revert-to-snapshot-vnf-op-config>
+      </lcm-operations-configuration>
     </df>
   </vnfd>
   <nsd>
@@ -133,4 +147,4 @@
       </ns-instantiation-level>
     </df>
   </nsd>
-</config>
+</nfv>

example-data/nfv-vnfd.xml

@@ -87,5 +87,19 @@
       </vdu-level>
     </instantiation-level>
     <default-instantiation-level>single</default-instantiation-level>
+    <lcm-operations-configuration>
+      <create-snapshot-vnf-op-config>
+	<parameter>
+	  <key>1</key>
+	  <value>1</value>
+	</parameter>
+      </create-snapshot-vnf-op-config>
+      <revert-to-snapshot-vnf-op-config>
+	<parameter>
+	  <key>1</key>
+	  <value>1</value>
+	</parameter>
+      </revert-to-snapshot-vnf-op-config>
+    </lcm-operations-configuration>
   </df>
 </vnfd>

example-data/nfv.xml

@@ -141,6 +141,18 @@
 	<operate-vnf-op-config>
 	  <min-graceful-stop-timeout>1</min-graceful-stop-timeout>
 	</operate-vnf-op-config>
+	<create-snapshot-vnf-op-config>
+	  <parameter>
+	    <key>1</key>
+	    <value>1</value>
+	  </parameter>
+	</create-snapshot-vnf-op-config>
+	<revert-to-snapshot-vnf-op-config>
+	  <parameter>
+	    <key>1</key>
+	    <value>1</value>
+	  </parameter>
+	</revert-to-snapshot-vnf-op-config>
       </lcm-operations-configuration>
     </df>
   </vnfd>
@@ -255,6 +267,18 @@
 	<operate-vnf-op-config>
 	  <min-graceful-stop-timeout>1</min-graceful-stop-timeout>
 	</operate-vnf-op-config>
+	<create-snapshot-vnf-op-config>
+	  <parameter>
+	    <key>1</key>
+	    <value>1</value>
+	  </parameter>
+	</create-snapshot-vnf-op-config>
+	<revert-to-snapshot-vnf-op-config>
+	  <parameter>
+	    <key>1</key>
+	    <value>1</value>
+	  </parameter>
+	</revert-to-snapshot-vnf-op-config>
       </lcm-operations-configuration>
     </df>
   </vnfd>

src/yang/etsi-nfv-common.yang

@@ -390,6 +390,10 @@ submodule etsi-nfv-common {
       enum "end-vnf-ext-conn-change";
       enum "start-vnfinfo-modification";
       enum "end-vnfinfo-modification";
+      enum "start-vnf-snapshot-creation";
+      enum "end-vnf-snapshot-creation";
+      enum "start-vnf-snapshot-reverting-to";
+      enum "end-vnf-snapshot-reverting-to";
     }
   }
 

src/yang/etsi-nfv-vnf.yang

@@ -2214,6 +2214,65 @@ submodule etsi-nfv-vnf {
             "GS NFV IFA011: Section 7.1.5.2
              VnfLcmOperationsConfiguration information element";
         }
+
+	container create-snapshot-vnf-op-config {
+	  list parameter {
+	    key "key";
+	    min-elements 1;
+
+	    leaf key {
+	      type string;
+	    }
+
+	    leaf value {
+	      type string;
+	    }
+	    description
+	      "Array of KVP requirements for VNF-specific parameters
+               to be passed when invoking the
+               CreateSnapshotVnfOpConfig operation.";
+	    reference
+              "GS NFV IFA011: Section 7.1.5.11
+               CreateSnapshotVnfOpConfig information
+               element";
+	  }
+	  description
+	    "Configuration parameters for the Create VNF Snapshot
+             operation.";
+          reference
+            "GS NFV IFA011: Section 7.1.5.2
+             VnfLcmOperationsConfiguration information element";
+	}
+
+	container revert-to-snapshot-vnf-op-config {
+	  description
+	    "Configuration parameters for the Revert-To VNF Snapshot
+             operation.";
+          reference
+            "GS NFV IFA011: Section 7.1.5.2
+             VnfLcmOperationsConfiguration information element";
+
+	  list parameter {
+	    key "key";
+	    min-elements 1;
+
+	    leaf key {
+	      type string;
+	    }
+
+	    leaf value {
+	      type string;
+	    }
+	    description
+	      "Array of KVP requirements for VNF-specific parameters
+               to be passed when invoking the
+               RevertToSnapshotVnfOpConfig operation.";
+	    reference
+              "GS NFV IFA011: Section 7.1.5.12
+               RevertToSnapshotVnfOpConfig information
+               element";
+	  }
+	}
       }
 
       list affinity-or-anti-affinity-group {