Hostconfig for Openstack in VPP renderer

[groupbasedpolicy.git] / neutron-vpp-mapper / src / main / java / org / opendaylight / groupbasedpolicy / neutron / vpp / mapper / hostconfigs / VppNodeListener.java

diff --git a/neutron-vpp-mapper/src/main/java/org/opendaylight/groupbasedpolicy/neutron/vpp/mapper/hostconfigs/VppNodeListener.java b/neutron-vpp-mapper/src/main/java/org/opendaylight/groupbasedpolicy/neutron/vpp/mapper/hostconfigs/VppNodeListener.java
new file mode 100644 (file)
index 0000000..39b3a85
--- /dev/null
+++ b/neutron-vpp-mapper/src/main/java/org/opendaylight/groupbasedpolicy/neutron/vpp/mapper/hostconfigs/VppNodeListener.java
@@ -0,0 +1,102 @@
+/*\r
+ * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.\r
+ *\r
+ * This program and the accompanying materials are made available under the\r
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,\r
+ * and is available at http://www.eclipse.org/legal/epl-v10.html\r
+ */\r
+\r
+package org.opendaylight.groupbasedpolicy.neutron.vpp.mapper.hostconfigs;\r
+\r
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;\r
+import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;\r
+import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;\r
+import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;\r
+import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;\r
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;\r
+import org.opendaylight.groupbasedpolicy.neutron.vpp.mapper.SocketInfo;\r
+import org.opendaylight.groupbasedpolicy.neutron.vpp.mapper.util.HostconfigUtil;\r
+import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;\r
+import org.opendaylight.groupbasedpolicy.util.DataTreeChangeHandler;\r
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.RendererName;\r
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.Renderers;\r
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.Renderer;\r
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.RendererKey;\r
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.RendererNodes;\r
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.nodes.RendererNode;\r
+import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.hostconfig.rev150712.hostconfig.attributes.Hostconfigs;\r
+import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.hostconfig.rev150712.hostconfig.attributes.hostconfigs.Hostconfig;\r
+import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.hostconfig.rev150712.hostconfig.attributes.hostconfigs.HostconfigKey;\r
+import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;\r
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;\r
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;\r
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;\r
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;\r
+import org.slf4j.Logger;\r
+import org.slf4j.LoggerFactory;\r
+\r
+public class VppNodeListener extends DataTreeChangeHandler<RendererNode> {\r
+\r
+    private static final Logger LOG = LoggerFactory.getLogger(VppNodeListener.class);\r
+\r
+    private SocketInfo socketInfo;\r
+    public static final RendererName VPP_RENDERER_NAME = new RendererName("vpp-renderer");\r
+\r
+    public VppNodeListener(DataBroker dataBroker, SocketInfo socketInfo) {\r
+        super(dataBroker);\r
+        this.socketInfo = socketInfo;\r
+        registerDataTreeChangeListener(new DataTreeIdentifier<>(\r
+                LogicalDatastoreType.OPERATIONAL, getVppNodeWildcardIid()));\r
+    }\r
+\r
+    private InstanceIdentifier<RendererNode> getVppNodeWildcardIid() {\r
+        return InstanceIdentifier.builder(Renderers.class)\r
+            .child(Renderer.class, new RendererKey(VPP_RENDERER_NAME))\r
+            .child(RendererNodes.class)\r
+            .child(RendererNode.class)\r
+            .build();\r
+    }\r
+\r
+    @Override\r
+    protected void onWrite(DataObjectModification<RendererNode> rootNode,\r
+            InstanceIdentifier<RendererNode> rootIdentifier) {\r
+        writeData(rootNode.getDataAfter());\r
+    }\r
+\r
+    @Override\r
+    protected void onDelete(DataObjectModification<RendererNode> rootNode,\r
+            InstanceIdentifier<RendererNode> rootIdentifier) {\r
+        deleteData(rootNode.getDataBefore());\r
+    }\r
+\r
+    @Override\r
+    protected void onSubtreeModified(DataObjectModification<RendererNode> rootNode,\r
+            InstanceIdentifier<RendererNode> rootIdentifier) {\r
+        deleteData(rootNode.getDataAfter());\r
+        writeData(rootNode.getDataBefore());\r
+    }\r
+\r
+    private void writeData(RendererNode rendererNode) {\r
+        NodeKey nodeKey = rendererNode.getNodePath().firstKeyOf(Node.class);\r
+        WriteTransaction wTx = dataProvider.newWriteOnlyTransaction();\r
+        Hostconfig hcData = HostconfigUtil.createHostconfigsDataFor(nodeKey.getNodeId(), socketInfo);\r
+        wTx.put(LogicalDatastoreType.OPERATIONAL, hostconfigIid(nodeKey.getNodeId()), hcData);\r
+        DataStoreHelper.submitToDs(wTx);\r
+        LOG.info("Hostconfig data written to DS for VPP node {}", nodeKey);\r
+    }\r
+\r
+    private InstanceIdentifier<Hostconfig> hostconfigIid(NodeId nodeId) {\r
+        return InstanceIdentifier.builder(Neutron.class)\r
+            .child(Hostconfigs.class)\r
+            .child(Hostconfig.class, new HostconfigKey(nodeId.getValue(), HostconfigUtil.L2_HOST_TYPE))\r
+            .build();\r
+    }\r
+\r
+    private void deleteData(RendererNode rendererNode) {\r
+        NodeKey nodeKey = rendererNode.getNodePath().firstKeyOf(Node.class);\r
+        ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();\r
+        DataStoreHelper.removeIfExists(LogicalDatastoreType.OPERATIONAL, hostconfigIid(nodeKey.getNodeId()), rwTx);\r
+        DataStoreHelper.submitToDs(rwTx);\r
+        LOG.info("Hostconfig data removed from DS for VPP node {}", nodeKey);\r
+    }\r
+}\r