package org.opendaylight.ovsdb.neutron;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.opendaylight.controller.forwardingrulesmanager.FlowConfig;
+import org.opendaylight.controller.forwardingrulesmanager.IForwardingRulesManager;
+import org.opendaylight.controller.networkconfig.neutron.INeutronNetworkCRUD;
+import org.opendaylight.controller.networkconfig.neutron.NeutronNetwork;
+import org.opendaylight.controller.sal.action.ActionType;
+import org.opendaylight.controller.sal.core.Node;
+import org.opendaylight.controller.sal.utils.HexEncode;
+import org.opendaylight.controller.sal.utils.ServiceHelper;
+import org.opendaylight.controller.sal.utils.Status;
+import org.opendaylight.controller.sal.utils.StatusCode;
+import org.opendaylight.ovsdb.lib.notation.OvsDBMap;
+import org.opendaylight.ovsdb.lib.notation.OvsDBSet;
+import org.opendaylight.ovsdb.lib.notation.UUID;
+import org.opendaylight.ovsdb.lib.table.Bridge;
+import org.opendaylight.ovsdb.lib.table.Interface;
+import org.opendaylight.ovsdb.lib.table.Port;
+import org.opendaylight.ovsdb.lib.table.internal.Table;
+import org.opendaylight.ovsdb.plugin.IConnectionServiceInternal;
+import org.opendaylight.ovsdb.plugin.OVSDBConfigService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+/**
+ * OpenStack Neutron with the OpenVswitch data plan relies on a typical OVS bridge configurations that
+ * consists of br-int (Integration Bridge), br-tun (Tunnel bridge), br-ex (External bridge).
+ *
+ * In DevStack like setups, the br-tun is not automatically created on the controller nodes.
+ * Hence this class attempts to bring all the nodes to be elibible for OpenStack operations.
+ *
+ */
public class InternalNetworkManager {
static final Logger logger = LoggerFactory.getLogger(InternalNetworkManager.class);
public static InternalNetworkManager getManager() {
return internalNetwork;
}
+
+ public String getInternalBridgeUUID (Node node, String bridgeName) {
+ try {
+ OVSDBConfigService ovsdbTable = (OVSDBConfigService)ServiceHelper.getGlobalInstance(OVSDBConfigService.class, this);
+ Map<String, Table<?>> bridgeTable = ovsdbTable.getRows(node, Bridge.NAME.getName());
+ if (bridgeTable == null) return null;
+ for (String key : bridgeTable.keySet()) {
+ Bridge bridge = (Bridge)bridgeTable.get(key);
+ if (bridge.getName().equals(bridgeName)) return key;
+ }
+ } catch (Exception e) {
+ logger.error("Error getting Bridge Identifier for {} / {}", node, bridgeName, e);
+ }
+ return null;
+ }
+
+ public boolean isInternalNetworkNeutronReady(Node node) throws Exception {
+ if (this.getInternalBridgeUUID(node, AdminConfigManager.getManager().getIntegrationBridgeName()) != null) {
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ public boolean isInternalNetworkOverlayReady(Node node) throws Exception {
+ if (this.getInternalBridgeUUID(node, AdminConfigManager.getManager().getTunnelBridgeName()) != null) {
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ public Status createInternalNetworkForOverlay(Node node) throws Exception {
+ if (!isInternalNetworkNeutronReady(node)) {
+ logger.error("Integration Bridge is not available in Node {}", node);
+ return new Status(StatusCode.NOTACCEPTABLE, "Integration Bridge is not avaialble in Node " + node);
+ }
+ if (isInternalNetworkOverlayReady(node)) {
+ logger.error("Network Overlay Bridge is already present in Node {}", node);
+ return new Status(StatusCode.NOTACCEPTABLE, "Network Overlay Bridge is already present in Node " + node);
+ }
+
+ /*
+ * Lets create this :
+ *
+ * Bridge br-tun
+ Port patch-int
+ Interface patch-int
+ type: patch
+ options: {peer=patch-tun}
+ Port br-tun
+ Interface br-tun
+ type: internal
+ */
+
+ OVSDBConfigService ovsdbTable = (OVSDBConfigService)ServiceHelper.getGlobalInstance(OVSDBConfigService.class, this);
+ Bridge brTun = new Bridge();
+ brTun.setName(AdminConfigManager.getManager().getTunnelBridgeName());
+ // Create br-tun bridge
+ Status status = ovsdbTable.insertRow(node, Bridge.NAME.getName(), null, brTun);
+ if (!status.isSuccess()) return status;
+ String bridgeUUID = status.getDescription();
+ // Set OF Controller
+ IConnectionServiceInternal connectionService = (IConnectionServiceInternal)ServiceHelper.getGlobalInstance(IConnectionServiceInternal.class, this);
+ connectionService.setOFController(node, bridgeUUID);
+
+ Port port = new Port();
+ port.setName(brTun.getName());
+ status = ovsdbTable.insertRow(node, Port.NAME.getName(), bridgeUUID, port);
+
+ String patchInt = AdminConfigManager.getManager().getPatchToIntegration();
+ String patchTun = AdminConfigManager.getManager().getPatchToTunnel();
+
+ status = addPatchPort(node, bridgeUUID, patchInt, patchTun);
+ if (!status.isSuccess()) return status;
+
+ // Create the corresponding patch-tun port in br-int
+ Map<String, Table<?>> bridges = ovsdbTable.getRows(node, Bridge.NAME.getName());
+ for (String brIntUUID : bridges.keySet()) {
+ Bridge brInt = (Bridge) bridges.get(brIntUUID);
+ if (brInt.getName().equalsIgnoreCase(AdminConfigManager.getManager().getIntegrationBridgeName())) {
+ return addPatchPort(node, brIntUUID, patchTun, patchInt);
+ }
+ }
+
+ return status;
+ }
+
+ private Status addPatchPort (Node node, String bridgeUUID, String portName, String patchName) throws Exception {
+ Status status = null;
+ OVSDBConfigService ovsdbTable = (OVSDBConfigService)ServiceHelper.getGlobalInstance(OVSDBConfigService.class, this);
+
+ Port patchPort = new Port();
+ patchPort.setName(portName);
+ // Create patch-int port and interface
+ status = ovsdbTable.insertRow(node, Port.NAME.getName(), bridgeUUID, patchPort);
+ if (!status.isSuccess()) return status;
+
+ String patchPortUUID = status.getDescription();
+
+ String interfaceUUID = null;
+ int timeout = 6;
+ while ((interfaceUUID == null) && (timeout > 0)) {
+ patchPort = (Port)ovsdbTable.getRow(node, Port.NAME.getName(), patchPortUUID);
+ OvsDBSet<UUID> interfaces = patchPort.getInterfaces();
+ if (interfaces == null || interfaces.size() == 0) {
+ // Wait for the OVSDB update to sync up the Local cache.
+ Thread.sleep(500);
+ timeout--;
+ continue;
+ }
+ interfaceUUID = interfaces.toArray()[0].toString();
+ }
+
+ if (interfaceUUID == null) {
+ return new Status(StatusCode.INTERNALERROR);
+ }
+
+ Interface tunInterface = new Interface();
+ tunInterface.setType("patch");
+ OvsDBMap<String, String> options = new OvsDBMap<String, String>();
+ options.put("peer", patchName);
+ tunInterface.setOptions(options);
+ status = ovsdbTable.updateRow(node, Interface.NAME.getName(), patchPortUUID, interfaceUUID, tunInterface);
+
+ return status;
+ }
+
+ private void prepareInternalNetwork (NeutronNetwork network, Node node) {
+ // vlan, vxlan, and gre
+ if (network.getProviderNetworkType().equalsIgnoreCase("gre") ||
+ network.getProviderNetworkType().equalsIgnoreCase("vxlan") ||
+ network.getProviderNetworkType().equalsIgnoreCase("vlan")) {
+
+ try {
+ if (!this.isInternalNetworkOverlayReady(node)) {
+ this.createInternalNetworkForOverlay(node);
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ } else {
+ try {
+ if (!this.isInternalNetworkNeutronReady(node)) {
+ // TODO : FILL IN
+ // this.createInternalNetworkForNeutron(node);
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+
+ this.initializeFlowRules(node, AdminConfigManager.getManager().getIntegrationBridgeName());
+ }
+
+ private void initializeFlowRules(Node node, String bridgeName) {
+ String brIntId = this.getInternalBridgeUUID(node, bridgeName);
+ if (brIntId == null) {
+ logger.error("Failed to initialize Flow Rules for {}", node);
+ return;
+ }
+ try {
+ OVSDBConfigService ovsdbTable = (OVSDBConfigService)ServiceHelper.getGlobalInstance(OVSDBConfigService.class, this);
+ Bridge bridge = (Bridge) ovsdbTable.getRow(node, Bridge.NAME.getName(), brIntId);
+ Set<String> dpids = bridge.getDatapath_id();
+ if (dpids == null || dpids.size() == 0) return;
+ Long dpidLong = Long.valueOf(HexEncode.stringToLong((String)dpids.toArray()[0]));
+ Node ofNode = new Node(Node.NodeIDType.OPENFLOW, dpidLong);
+ IForwardingRulesManager frm = (IForwardingRulesManager) ServiceHelper.getInstance(
+ IForwardingRulesManager.class, "default", this);
+ FlowConfig flow = new FlowConfig();
+ flow.setName("IntegrationBridgeNormal");
+ flow.setNode(ofNode);
+ flow.setPriority("1");
+ List<String> normalAction = new ArrayList<String>();
+ normalAction.add(ActionType.HW_PATH.toString());
+ flow.setActions(normalAction);
+ Status status = frm.addStaticFlow(flow);
+ logger.debug("Flow Programming Status {} for Flow {} on {} / {}", status, flow, ofNode, node);
+ } catch (Exception e) {
+ logger.error("Failed to initialize Flow Rules for {}", node, e);
+ }
+ }
+
+ public void prepareInternalNetwork(NeutronNetwork network) {
+ IConnectionServiceInternal connectionService = (IConnectionServiceInternal)ServiceHelper.getGlobalInstance(IConnectionServiceInternal.class, this);
+ List<Node> nodes = connectionService.getNodes();
+ for (Node node : nodes) {
+ prepareInternalNetwork(network, node);
+ }
+ }
+
+ public void prepareInternalNetwork(Node node) {
+ INeutronNetworkCRUD neutronNetworkService = (INeutronNetworkCRUD)ServiceHelper.getGlobalInstance(INeutronNetworkCRUD.class, this);
+ List <NeutronNetwork> networks = neutronNetworkService.getAllNetworks();
+ for (NeutronNetwork network : networks) {
+ prepareInternalNetwork(network, node);
+ }
+ }
+
+ public static List safe( List other ) {
+ return other == null ? Collections.EMPTY_LIST : other;
+ }
}
Code Review / netvirt.git / blobdiff