Java tutorial
// Licensed to the Apache Software Foundation (ASF) under one // or more contributor license agreements. See the NOTICE file // distributed with this work for additional information // regarding copyright ownership. The ASF licenses this file // to you 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. // // Automatically generated by addcopyright.py at 01/29/2013 // Apache License, Version 2.0 (the "License"); you may not use this // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // // Automatically generated by addcopyright.py at 04/03/2012 package com.cloud.baremetal.networkservice; import com.cloud.utils.exception.CloudRuntimeException; import com.cloud.utils.xmlobject.XmlObject; import com.cloud.utils.xmlobject.XmlObjectParser; import org.apache.commons.codec.binary.Base64; import org.apache.commons.lang.StringUtils; import org.apache.log4j.Logger; import org.springframework.http.HttpEntity; import org.springframework.http.HttpHeaders; import org.springframework.http.HttpMethod; import org.springframework.http.HttpStatus; import org.springframework.http.MediaType; import org.springframework.http.ResponseEntity; import org.springframework.http.client.ClientHttpResponse; import org.springframework.web.client.ResponseErrorHandler; import org.springframework.web.client.RestTemplate; import org.springframework.web.util.UriComponentsBuilder; import java.io.IOException; import java.util.ArrayList; import java.util.Arrays; import java.util.List; /** * Created by frank on 9/2/14. */ public class Force10BaremetalSwitchBackend implements BaremetalSwitchBackend { private Logger logger = Logger.getLogger(Force10BaremetalSwitchBackend.class); public static final String TYPE = "Force10"; private static List<HttpStatus> successHttpStatusCode = new ArrayList<>(); { successHttpStatusCode.add(HttpStatus.OK); successHttpStatusCode.add(HttpStatus.ACCEPTED); successHttpStatusCode.add(HttpStatus.CREATED); successHttpStatusCode.add(HttpStatus.NO_CONTENT); successHttpStatusCode.add(HttpStatus.PARTIAL_CONTENT); successHttpStatusCode.add(HttpStatus.RESET_CONTENT); successHttpStatusCode.add(HttpStatus.ALREADY_REPORTED); } RestTemplate rest = new RestTemplate(); { // fake error handler, we handle error in business logic code rest.setErrorHandler(new ResponseErrorHandler() { @Override public boolean hasError(ClientHttpResponse clientHttpResponse) throws IOException { return false; } @Override public void handleError(ClientHttpResponse clientHttpResponse) throws IOException { } }); } private String buildLink(String switchIp, String path) { UriComponentsBuilder builder = UriComponentsBuilder.newInstance(); builder.scheme("http"); builder.host(switchIp); builder.port(8008); builder.path(path); return builder.build().toUriString(); } @Override public String getSwitchBackendType() { return TYPE; } @Override public void prepareVlan(BaremetalVlanStruct struct) { String link = buildLink(struct.getSwitchIp(), String.format("/api/running/ftos/interface/vlan/%s", struct.getVlan())); HttpHeaders headers = createBasicAuthenticationHeader(struct); HttpEntity<String> request = new HttpEntity<>(headers); ResponseEntity rsp = rest.exchange(link, HttpMethod.GET, request, String.class); logger.debug(String.format("http get: %s", link)); if (rsp.getStatusCode() == HttpStatus.NOT_FOUND) { PortInfo port = new PortInfo(struct); XmlObject xml = new XmlObject("vlan") .putElement("vlan-id", new XmlObject("vlan-id").setText(String.valueOf(struct.getVlan()))) .putElement("untagged", new XmlObject("untagged").putElement(port.interfaceType, new XmlObject(port.interfaceType).putElement("name", new XmlObject("name").setText(port.port)))) .putElement("shutdown", new XmlObject("shutdown").setText("false")); request = new HttpEntity<>(xml.dump(), headers); link = buildLink(struct.getSwitchIp(), String.format("/api/running/ftos/interface/")); logger.debug(String.format("http get: %s, body: %s", link, request)); rsp = rest.exchange(link, HttpMethod.POST, request, String.class); if (!successHttpStatusCode.contains(rsp.getStatusCode())) { throw new CloudRuntimeException(String.format( "unable to create vlan[%s] on force10 switch[ip:%s]. HTTP status code:%s, body dump:%s", struct.getVlan(), struct.getSwitchIp(), rsp.getStatusCode(), rsp.getBody())); } else { logger.debug(String.format( "successfully programmed vlan[%s] on Force10[ip:%s, port:%s]. http response[status code:%s, body:%s]", struct.getVlan(), struct.getSwitchIp(), struct.getPort(), rsp.getStatusCode(), rsp.getBody())); } } else if (successHttpStatusCode.contains(rsp.getStatusCode())) { PortInfo port = new PortInfo(struct); XmlObject xml = XmlObjectParser.parseFromString((String) rsp.getBody()); List<XmlObject> ports = xml.getAsList("untagged.tengigabitethernet"); ports.addAll(xml.<XmlObject>getAsList("untagged.gigabitethernet")); ports.addAll(xml.<XmlObject>getAsList("untagged.fortyGigE")); for (XmlObject pxml : ports) { XmlObject name = pxml.get("name"); if (port.port.equals(name.getText())) { logger.debug(String.format("port[%s] has joined in vlan[%s], no need to program again", struct.getPort(), struct.getVlan())); return; } } xml.removeElement("mtu"); xml.setText(null); XmlObject tag = xml.get("untagged"); if (tag == null) { tag = new XmlObject("untagged"); xml.putElement("untagged", tag); } tag.putElement(port.interfaceType, new XmlObject(port.interfaceType).putElement("name", new XmlObject("name").setText(port.port))); request = new HttpEntity<>(xml.dump(), headers); link = buildLink(struct.getSwitchIp(), String.format("/api/running/ftos/interface/vlan/%s", struct.getVlan())); logger.debug(String.format("http get: %s, body: %s", link, request)); rsp = rest.exchange(link, HttpMethod.PUT, request, String.class); if (!successHttpStatusCode.contains(rsp.getStatusCode())) { throw new CloudRuntimeException(String.format( "failed to program vlan[%s] for port[%s] on force10[ip:%s]. http status:%s, body dump:%s", struct.getVlan(), struct.getPort(), struct.getSwitchIp(), rsp.getStatusCode(), rsp.getBody())); } else { logger.debug(String.format( "successfully join port[%s] into vlan[%s] on Force10[ip:%s]. http response[status code:%s, body:%s]", struct.getPort(), struct.getVlan(), struct.getSwitchIp(), rsp.getStatusCode(), rsp.getBody())); } } else { throw new CloudRuntimeException( String.format("force10[ip:%s] returns unexpected error[%s] when http getting %s, body dump:%s", struct.getSwitchIp(), rsp.getStatusCode(), link, rsp.getBody())); } } @Override public void removePortFromVlan(BaremetalVlanStruct struct) { String link = buildLink(struct.getSwitchIp(), String.format("/api/running/ftos/interface/vlan/%s", struct.getVlan())); HttpHeaders headers = createBasicAuthenticationHeader(struct); HttpEntity<String> request = new HttpEntity<>(headers); logger.debug(String.format("http get: %s, body: %s", link, request)); ResponseEntity rsp = rest.exchange(link, HttpMethod.GET, request, String.class); if (rsp.getStatusCode() == HttpStatus.NOT_FOUND) { logger.debug(String.format( "vlan[%s] has been deleted on force10[ip:%s], no need to remove the port[%s] anymore", struct.getVlan(), struct.getSwitchIp(), struct.getPort())); } else if (rsp.getStatusCode() == HttpStatus.OK) { PortInfo port = new PortInfo(struct); XmlObject xml = XmlObjectParser.parseFromString((String) rsp.getBody()); List<XmlObject> ports = xml.getAsList("untagged.tengigabitethernet"); ports.addAll(xml.<XmlObject>getAsList("untagged.gigabitethernet")); ports.addAll(xml.<XmlObject>getAsList("untagged.fortyGigE")); List<XmlObject> newPorts = new ArrayList<>(); boolean needRemove = false; for (XmlObject pxml : ports) { XmlObject name = pxml.get("name"); if (port.port.equals(name.getText())) { needRemove = true; continue; } newPorts.add(pxml); } if (!needRemove) { return; } xml.setText(null); xml.removeElement("mtu"); XmlObject tagged = xml.get("untagged"); tagged.removeAllChildren(); for (XmlObject p : newPorts) { tagged.putElement(p.getTag(), p); } request = new HttpEntity<>(xml.dump(), headers); logger.debug(String.format("http get: %s, body: %s", link, request)); rsp = rest.exchange(link, HttpMethod.PUT, request, String.class); if (!successHttpStatusCode.contains(rsp.getStatusCode())) { throw new CloudRuntimeException(String.format( "failed to program vlan[%s] for port[%s] on force10[ip:%s]. http status:%s, body dump:%s", struct.getVlan(), struct.getPort(), struct.getSwitchIp(), rsp.getStatusCode(), rsp.getBody())); } else { logger.debug(String.format("removed port[%s] from vlan[%s] on force10[ip:%s]", struct.getPort(), struct.getVlan(), struct.getSwitchIp())); } } else { throw new CloudRuntimeException( String.format("force10[ip:%s] returns unexpected error[%s] when http getting %s, body dump:%s", struct.getSwitchIp(), rsp.getStatusCode(), link, rsp.getBody())); } } private HttpHeaders createBasicAuthenticationHeader(BaremetalVlanStruct struct) { String plainCreds = String.format("%s:%s", struct.getSwitchUsername(), struct.getSwitchPassword()); byte[] plainCredsBytes = plainCreds.getBytes(); byte[] base64CredsBytes = Base64.encodeBase64(plainCredsBytes); String base64Creds = new String(base64CredsBytes); HttpHeaders headers = new HttpHeaders(); headers.add("Authorization", "Basic " + base64Creds); headers.setAccept(Arrays.asList(MediaType.ALL)); headers.setContentType(MediaType.valueOf("application/vnd.yang.data+xml")); return headers; } private class PortInfo { static final String G_IFACE = "gigabitethernet"; static final String TEN_G_IFACE = "tengigabitethernet"; static final String FOURTY_G_IFACE = "fortyGigE"; private String interfaceType; private String port; PortInfo(BaremetalVlanStruct struct) { String[] ps = StringUtils.split(struct.getPort(), ":"); if (ps.length == 1) { interfaceType = TEN_G_IFACE; port = ps[0]; } else if (ps.length == 2) { interfaceType = ps[0]; if (!interfaceType.equals(G_IFACE) && !interfaceType.equals(TEN_G_IFACE) && !interfaceType.equals(FOURTY_G_IFACE)) { throw new CloudRuntimeException( String.format("wrong port definition[%s]. The prefix must be one of [%s,%s,%s]", struct.getPort(), G_IFACE, TEN_G_IFACE, FOURTY_G_IFACE)); } port = ps[1]; } else { throw new CloudRuntimeException(String.format( "wrong port definition[%s]. Force10 port should be in format of interface_type:port_identity, for example: tengigabitethernet:1/3", struct.getPort())); } } } }