Controller Config class at Cisco rest Driver
Change-Id: Ie5b91484da1eb75fe13afa9a1ce72de62d39b398
diff --git a/drivers/cisco/rest/src/main/java/org/onosproject/drivers/cisco/rest/ControllerConfigCiscoImpl.java b/drivers/cisco/rest/src/main/java/org/onosproject/drivers/cisco/rest/ControllerConfigCiscoImpl.java
new file mode 100644
index 0000000..80824b8
--- /dev/null
+++ b/drivers/cisco/rest/src/main/java/org/onosproject/drivers/cisco/rest/ControllerConfigCiscoImpl.java
@@ -0,0 +1,125 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.drivers.cisco.rest;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+import java.io.IOException;;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+import org.onosproject.drivers.cisco.rest.NxApiRequest.CommandType;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.behaviour.ControllerConfig;
+import org.onosproject.net.behaviour.ControllerInfo;
+import org.onosproject.net.driver.AbstractHandlerBehaviour;
+import org.onosproject.net.driver.DriverHandler;
+import org.slf4j.Logger;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+/**
+ * Gets and Sets the openflow controller.
+ */
+public class ControllerConfigCiscoImpl extends AbstractHandlerBehaviour implements ControllerConfig {
+ private final Logger log = getLogger(getClass());
+
+ private static final String SHOW_OF_CONTROLLER_CMD = "show openflow switch 1 controllers";
+ private static final String OPENFLOW_CMD = "openflow";
+ private static final String SW1_CMD = "switch 1";
+ private static final String DELETE_OF_CONFIG = "no switch 1";
+ private static final String PROTO_VER_CMD = "protocol-version 1.3";
+ private static final String PIPELINE_CMD = "pipeline 201";
+ private static final String OF_CONTROLLER_CONF_CMD = "controller ipv4 %s port %d vrf %s security none";
+ private static final String NO_SHUTDOWN_CMD = "no shutdown";
+ private static final String COPY_RUNNING_CONFIG = "copy running-config startup-config";
+
+ @Override
+ public List<ControllerInfo> getControllers() {
+ List<ControllerInfo> controllers = new ArrayList<ControllerInfo>();
+ DeviceId deviceId = handler().data().deviceId();
+
+ String response;
+
+ // "show openflow switch 1 controller" command only shows outputs with cli_ascii command type
+ response = NxApiRequest.post(handler(), SHOW_OF_CONTROLLER_CMD, CommandType.CLI_ASCII);
+
+ if (response == null) {
+ log.error("Failed to perform {} command on the device {} Response has Error/null",
+ SHOW_OF_CONTROLLER_CMD, deviceId);
+ return controllers;
+ }
+
+ try {
+ ObjectMapper om = new ObjectMapper();
+ JsonNode json = om.readTree(response);
+ if (json.has("result")) {
+ JsonNode res = json.get("result");
+ String msg = res.findValue("msg").asText();
+ } else if (json.has("error")) {
+ log.error("{} Response has IllegalStateException Error/null", deviceId);
+ return controllers;
+ }
+ } catch (IOException e) {
+ log.error("Exception thrown", e);
+ }
+
+ return controllers;
+ }
+
+ @Override
+ public void setControllers(List<ControllerInfo> controllers) {
+ DriverHandler handler = handler();
+ DeviceId deviceId = handler.data().deviceId();
+
+ List<String> cmds = new ArrayList<>();
+ cmds.add(OPENFLOW_CMD);
+ cmds.add(DELETE_OF_CONFIG);
+ cmds.add(SW1_CMD);
+ cmds.add(PROTO_VER_CMD);
+ cmds.add(PIPELINE_CMD);
+
+ // can configure up to eight controllers
+ controllers.stream().limit(8).forEach(c -> cmds
+ .add(String.format(OF_CONTROLLER_CONF_CMD, c.ip().toString(), c.port(), "management")));
+ cmds.add(NO_SHUTDOWN_CMD);
+ cmds.add(COPY_RUNNING_CONFIG);
+ String response = NxApiRequest.postClis(handler, cmds);
+ if (Objects.isNull(response)) {
+ throw new NullPointerException("Response is null");
+ }
+
+ if (response != null) {
+ try {
+ ObjectMapper om = new ObjectMapper();
+ JsonNode json = om.readTree(response);
+ //TODO parse error messages.
+ if (json.has("error")) {
+ log.error("{} Response has IllegalStateException Error", deviceId);
+ return;
+ }
+ } catch (IOException e) {
+ log.error("Exception thrown", e);
+ }
+ } else {
+ log.error("Can't reach the deviceId {}", deviceId);
+ }
+ }
+
+}
diff --git a/drivers/cisco/rest/src/main/java/org/onosproject/drivers/cisco/rest/NxApiRequest.java b/drivers/cisco/rest/src/main/java/org/onosproject/drivers/cisco/rest/NxApiRequest.java
index e69734b..07509c9 100644
--- a/drivers/cisco/rest/src/main/java/org/onosproject/drivers/cisco/rest/NxApiRequest.java
+++ b/drivers/cisco/rest/src/main/java/org/onosproject/drivers/cisco/rest/NxApiRequest.java
@@ -23,6 +23,7 @@
import java.util.stream.IntStream;
import org.onosproject.net.DeviceId;
+import org.onosproject.net.driver.DriverHandler;
import org.onosproject.protocol.rest.RestSBController;
import com.fasterxml.jackson.databind.ObjectMapper;
@@ -30,6 +31,8 @@
import com.fasterxml.jackson.databind.node.ObjectNode;
import javax.ws.rs.core.MediaType;
+import com.google.common.collect.Lists;
+import static com.google.common.base.Preconditions.checkNotNull;
/**
* Generate json-rpc request for Cisco NX-API.
@@ -63,6 +66,10 @@
private NxApiRequest() {
}
+ public static String generate(String command, CommandType type) {
+ return generate(Lists.newArrayList(command), type);
+ }
+
/**
* Generates a NX-API request message to execute on the Cisco NXOS device.
* @param commands list of commands to execute
@@ -117,4 +124,34 @@
return response;
}
+
+ /**
+ * Sends NX-API request message to the device.
+ * @param handler device's driver handler
+ * @param command NX-API command string
+ * @param type response message format
+ * @return the response string
+ */
+ public static String post(DriverHandler handler, String command, CommandType type) {
+ RestSBController controller = checkNotNull(handler.get(RestSBController.class));
+ DeviceId deviceId = handler.data().deviceId();
+
+ String request = generate(command, type);
+ return post(controller, deviceId, request);
+ }
+
+ /**
+ * Sends NX-API request message to the device.
+ * @param handler device's driver handler
+ * @param cmds NX-API list of command strings
+ * @return the response string
+ */
+ static String postClis(DriverHandler handler, List<String> cmds) {
+ RestSBController controller = checkNotNull(handler.get(RestSBController.class));
+ DeviceId deviceId = handler.data().deviceId();
+
+ String request = generate(cmds, CommandType.CLI);
+ InputStream stream = new ByteArrayInputStream(request.getBytes(StandardCharsets.UTF_8));
+ return controller.post(deviceId, API_URI, stream, MediaType.valueOf(APP_JSON_RPC), String.class);
+ }
}
diff --git a/drivers/cisco/rest/src/main/resources/cisco-rest-drivers.xml b/drivers/cisco/rest/src/main/resources/cisco-rest-drivers.xml
index d2257d0..04188fb 100644
--- a/drivers/cisco/rest/src/main/resources/cisco-rest-drivers.xml
+++ b/drivers/cisco/rest/src/main/resources/cisco-rest-drivers.xml
@@ -20,5 +20,7 @@
impl="org.onosproject.drivers.cisco.rest.CiscoNxosDeviceDescription"/>
<behaviour api="org.onosproject.net.device.PortStatisticsDiscovery"
impl="org.onosproject.drivers.cisco.rest.CiscoNxosPortStatistics"/>
+ <behaviour api="org.onosproject.net.behaviour.ControllerConfig"
+ impl="org.onosproject.drivers.cisco.rest.ControllerConfigCiscoImpl"/>
</driver>
</drivers>