Java tutorial
/* * Copyright (c) 2013 Google Inc. * * 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 com.liberologico.cloudesire.gce; import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.Arrays; import java.util.HashSet; import java.util.LinkedList; import java.util.List; import java.util.Set; import java.util.regex.Matcher; import java.util.regex.Pattern; import com.google.api.client.auth.oauth2.Credential; import com.google.api.client.googleapis.auth.oauth2.GoogleCredential; import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport; import com.google.api.client.http.HttpTransport; import com.google.api.client.json.JsonFactory; import com.google.api.client.json.jackson2.JacksonFactory; import com.google.api.services.compute.Compute; import com.google.api.services.compute.ComputeScopes; import com.google.api.services.compute.model.AccessConfig; import com.google.api.services.compute.model.AttachedDisk; import com.google.api.services.compute.model.AttachedDiskInitializeParams; import com.google.api.services.compute.model.Disk; import com.google.api.services.compute.model.Firewall; import com.google.api.services.compute.model.Firewall.Allowed; import com.google.api.services.compute.model.Image; import com.google.api.services.compute.model.ImageList; import com.google.api.services.compute.model.Instance; import com.google.api.services.compute.model.MachineType; import com.google.api.services.compute.model.MachineTypeList; import com.google.api.services.compute.model.Network; import com.google.api.services.compute.model.NetworkInterface; import com.google.api.services.compute.model.Operation; import com.google.api.services.compute.model.Scheduling; import com.google.api.services.compute.model.Tags; /** * Main class for the Compute Engine API command line sample. Demonstrates how * to make an authenticated API call using OAuth 2 helper classes. */ public class ComputeSample { /** * Be sure to specify the name of your application. If the application name * is {@code null} or blank, the application will log a warning. Suggested * format is "MyCompany-ProductName/1.0". */ private static final String APPLICATION_NAME = "Liberologico-ClouDesireTest/01"; /** Global instance of the JSON factory. */ private static final JsonFactory JSON_FACTORY = JacksonFactory.getDefaultInstance(); /** Global instance of the HTTP transport. */ private static HttpTransport httpTransport; private static Compute client; private static String SERVICE_ACCOUNT_ID = ""; private static String PROJECT_NAME = ""; private static String SERVICE_ACCOUNT_PRIVATE_KEY_PATH = "/google_service_account_private_key.p12"; private static String ZONE = "europe-west1-a"; private static String DEB7_IMAGE = "backports-debian-7-wheezy-v20140318"; private static String PROJECT_DEBIAN = "debian-cloud"; private static String MACHINE_TYPE = "f1-micro"; public static void main(String[] args) { try { // initialize the transport httpTransport = GoogleNetHttpTransport.newTrustedTransport(); // authorization Credential credential = authorize(); // set up global Compute instance client = new Compute.Builder(httpTransport, JSON_FACTORY, credential) .setApplicationName(APPLICATION_NAME).build(); System.out.println("Success! Now add code here."); // List<Instance> items = client.instances().list(PROJECT_NAME, // ZONE).execute().getItems(); // for (Instance instance : items) // { // System.out.println(instance.toPrettyString()); // } // RegionList regions = // client.regions().list(PROJECT_NAME).execute(); // System.out.println(regions.toPrettyString()); // AddressList addressList = client.addresses() // .list(PROJECT_NAME, Regions.EUROPE_WEST).execute(); // System.out.println(addressList.toPrettyString()); // AddressAggregatedList aggregatedList = client.addresses() // .aggregatedList(PROJECT_NAME).execute(); // System.out.println(aggregatedList.toPrettyString()); // Instance instance = client.instances() // .get(PROJECT_NAME, ZONE, "test009").execute(); // System.out.println(instance.toPrettyString()); // Region regionUS = client.regions() // .get(PROJECT_NAME, Regions.US_CENTRAL).execute(); // System.out.println(regionUS.toPrettyString()); // Region regionEU = client.regions() // .get(PROJECT_NAME, Regions.EUROPE_WEST).execute(); // System.out.println(regionEU.toPrettyString()); // // Zone zoneEU1 = client.zones().get(PROJECT_NAME, ZONE).execute(); // System.out.println(zoneEU1.toPrettyString()); // createVM("test009", 10L); // createDisk("dtest07", 10L); // attachDisk("test07", "dtest07"); // deleteVM("test009"); // createNetwork("test01"); // deleteNetwork("test009-network"); // getValidImages(PROJECT_DEBIAN, "backports-debian-7-wheezy"); // getValidMachineTypes(PROJECT_NAME, ZONE); // Instance instance = client.instances() // .get(PROJECT_NAME, ZONE, "test007").execute(); // System.out.println(instance.toPrettyString()); // List<String> tags = instance.getTags().getItems(); // tags.add("pippo-geronimo-pasticcio"); // setInstanceTags("test007", tags); // Network network = client.networks() // .get(PROJECT_NAME, "test01-network").execute(); // System.out.println(network.toPrettyString()); // Firewall firewall = client.firewalls() // .get(PROJECT_NAME, "test01-firewall").execute(); // System.out.println(firewall.toPrettyString()); // DiskList diskList = client.disks().list(PROJECT_NAME, ZONE) // .execute(); // if (diskList == null) // System.out.println("diskList is null"); // else if (diskList.getItems() == null) // System.out.println("diskList.getItems() returns null"); // else // for (Disk d : diskList.getItems()) // System.out.println(d.toPrettyString()); // try { // Network network = client.networks().get(PROJECT_NAME, "pippo") // .execute(); // } catch (Exception e) { // System.out.println(e.getMessage()); // } // NetworkList networkList = client.networks().list(PROJECT_NAME) // .execute(); // if (networkList == null) // System.out.println("networkList is null"); // else // for (Network net : networkList.getItems()) // System.out.println(net.toPrettyString()); // // FirewallList firewallList = client.firewalls().list(PROJECT_NAME) // .execute(); // for (Firewall fw : firewallList.getItems()) { // System.out.println(getResourceNameFromUrl(fw.getNetwork())); // } } catch (IOException e) { System.err.println(e.getMessage()); } catch (Throwable t) { t.printStackTrace(); } System.exit(1); } private static void attachDisk(String vmName, String diskName) throws Exception { Disk disk = client.disks().get(PROJECT_NAME, ZONE, diskName).execute(); if (disk == null) { System.out.println("Cannot find disk:" + diskName); return; } System.out.println(disk.toPrettyString()); Instance vm = client.instances().get(PROJECT_NAME, ZONE, vmName).execute(); if (vm == null) { System.out.println("Cannot find instance:" + vmName); return; } // dico alla VM come deve usare il disco AttachedDisk attDisk = new AttachedDisk().setType("PERSISTENT").setAutoDelete(Boolean.TRUE) .setMode("READ_WRITE").setSource(disk.getSelfLink()); // attacco il disco Operation attachDisk = client.instances().attachDisk(PROJECT_NAME, ZONE, vmName, attDisk).execute(); System.out.println(attachDisk.toPrettyString()); while (!attachDisk.getStatus().equals("DONE")) { Thread.sleep(2000); attachDisk = client.zoneOperations().get(PROJECT_NAME, ZONE, attachDisk.getName()).execute(); System.out.println("PROGRESS:" + attachDisk.getProgress()); System.out.println("STATUS:" + attachDisk.getStatus()); } } /** Authorizes the installed application to access user's protected data. */ private static Credential authorize() throws Exception { Set<String> scopes = new HashSet<String>(); scopes.add(ComputeScopes.COMPUTE + " " + ComputeScopes.DEVSTORAGE_FULL_CONTROL); // scopes.add(ComputeScopes.COMPUTE); // scopes.add(ComputeScopes.COMPUTE_READONLY); // scopes.add(ComputeScopes.DEVSTORAGE_FULL_CONTROL); // scopes.add(ComputeScopes.DEVSTORAGE_READ_ONLY); // scopes.add(ComputeScopes.DEVSTORAGE_READ_WRITE); // KeyStore ks = KeyStore.getInstance("PKCS12"); // InputStream stream = Thread.currentThread().getContextClassLoader() // .getResourceAsStream("google_service_account_private_key.p12"); // if (stream == null) { // log.error("Cannot find service account private key"); // throw new IllegalArgumentException( // "Cannot find service account private key"); // } // ks.load(stream, "notasecret".toCharArray()); // // PrivateKeyEntry entry = (PrivateKeyEntry) ks.getEntry(ks.aliases() // .nextElement(), // new PasswordProtection("notasecret".toCharArray())); // GoogleCredential credential = new GoogleCredential.Builder() // .setTransport(httpTransport) // .setJsonFactory(JSON_FACTORY) // .setServiceAccountId( // "1018123978583-6d4kl0d8fbb2fveqardv2rn3blubkria@developer.gserviceaccount.com") // .setServiceAccountScopes(scopes) // .setServiceAccountPrivateKey(entry.getPrivateKey()).build(); GoogleCredential credential = new GoogleCredential.Builder().setTransport(httpTransport) .setJsonFactory(JSON_FACTORY).setServiceAccountId(SERVICE_ACCOUNT_ID) .setServiceAccountScopes(scopes) .setServiceAccountPrivateKeyFromP12File(new File(SERVICE_ACCOUNT_PRIVATE_KEY_PATH)).build(); return credential; } private static void createDisk(String diskName, long sizeGb) throws Exception { Disk disk = new Disk().setName(diskName).setSizeGb(sizeGb); // creo il disco nuovo Operation iDiskOp = client.disks().insert(PROJECT_NAME, ZONE, disk).execute(); System.out.println(iDiskOp.toPrettyString()); while (!iDiskOp.getStatus().equals("DONE")) { Thread.sleep(2000); iDiskOp = client.zoneOperations().get(PROJECT_NAME, ZONE, iDiskOp.getName()).execute(); System.out.println("PROGRESS:" + iDiskOp.getProgress()); System.out.println("STATUS:" + iDiskOp.getStatus()); } disk = client.disks().get(PROJECT_NAME, ZONE, diskName).execute(); System.out.println(disk.toPrettyString()); } private static NetworkInterface createNetwork(String vmName) throws Exception { Network network = new Network(); network.setName(vmName + "-network"); network.setIPv4Range("10.240.0.0/16"); Operation cNetworkop = client.networks().insert(PROJECT_NAME, network).execute(); System.out.println(cNetworkop.toPrettyString()); while (!cNetworkop.getStatus().equals("DONE")) { Thread.sleep(2000); cNetworkop = client.globalOperations().get(PROJECT_NAME, cNetworkop.getName()).execute(); System.out.println("PROGRESS:" + cNetworkop.getProgress()); System.out.println("STATUS:" + cNetworkop.getStatus()); } network = client.networks().get(PROJECT_NAME, vmName + "-network").execute(); Allowed allowed = new Allowed(); allowed.setIPProtocol("tcp"); allowed.setPorts(new ArrayList<String>(Arrays.asList("22", "80", "8080"))); Firewall firewall = new Firewall().setName(vmName + "-firewall"); firewall.setSourceRanges(new ArrayList<String>(Arrays.asList("0.0.0.0/0"))); firewall.setAllowed(new ArrayList<Allowed>(Arrays.asList(allowed))); firewall.setNetwork(network.getSelfLink()); Operation executeOp = client.firewalls().insert(PROJECT_NAME, firewall).execute(); System.out.println(executeOp.toPrettyString()); while (!executeOp.getStatus().equals("DONE")) { Thread.sleep(2000); executeOp = client.globalOperations().get(PROJECT_NAME, executeOp.getName()).execute(); System.out.println("PROGRESS:" + executeOp.getProgress()); System.out.println("STATUS:" + executeOp.getStatus()); } return new NetworkInterface().setNetwork(network.getSelfLink()); } private static void createVM(String vmName, long sizeGb) throws Exception { Instance instance = new Instance().setName(vmName); // recupero l'immagine con il SO Image deb7 = client.images().get(PROJECT_DEBIAN, DEB7_IMAGE).execute(); System.out.println(deb7.toPrettyString()); // gli dico di fare un disco bootabile con l'immagine recuperata prima AttachedDiskInitializeParams iParams = new AttachedDiskInitializeParams(); iParams.setDiskName(vmName).setDiskSizeGb(sizeGb).setSourceImage(deb7.getSelfLink()); AttachedDisk attDisk = new AttachedDisk().setBoot(true).setType("PERSISTENT").setAutoDelete(Boolean.TRUE) .setMode("READ_WRITE").setInitializeParams(iParams); instance.setDisks(new ArrayList<AttachedDisk>(Arrays.asList(attDisk))); // recupero le informazioni per il tipo di macchina scelta // (MACHINE_TYPE) MachineType machineType = client.machineTypes().get(PROJECT_NAME, ZONE, MACHINE_TYPE).execute(); System.out.println(machineType.toPrettyString()); instance.setMachineType(machineType.getSelfLink()); // recupero la configurazione di rete di default per il progetto // Network network = client.networks().get(PROJECT_NAME, "default") // .execute(); // System.out.println(network.toPrettyString()); // configurazione di rete di default // NetworkInterface networkInterface = new NetworkInterface() // .setNetwork(network.getSelfLink()); // configurazione di rete custom NetworkInterface networkInterface = createNetwork(vmName); // gli dico di settare un ip dinamico AccessConfig accessConfig = new AccessConfig(); // static ip, bisogna prima creare la risorsa (POST su adresses()) // accessConfig.setNatIP(adresses.getSelfLink()); accessConfig.setType("ONE_TO_ONE_NAT"); // configurazione di rete dell'istanza networkInterface.setAccessConfigs(new ArrayList<AccessConfig>(Arrays.asList(accessConfig))); instance.setCanIpForward(false) .setNetworkInterfaces(new ArrayList<NetworkInterface>(Arrays.asList(networkInterface))); // informazioni accessorie obbligatorie Scheduling scheduling = new Scheduling(); scheduling.setAutomaticRestart(true); scheduling.setOnHostMaintenance("MIGRATE"); instance.setScheduling(scheduling); // creo la vm Operation createInstance = client.instances().insert(PROJECT_NAME, ZONE, instance).execute(); System.out.println(createInstance.toPrettyString()); while (!createInstance.getStatus().equals("DONE")) { Thread.sleep(2000); createInstance = client.zoneOperations().get(PROJECT_NAME, ZONE, createInstance.getName()).execute(); System.out.println("PROGRESS:" + createInstance.getProgress()); System.out.println("STATUS:" + createInstance.getStatus()); } } private static void deleteNetwork(String vmName) throws Exception { Operation deleteFirewall = client.firewalls().delete(PROJECT_NAME, vmName + "-firewall").execute(); System.out.println(deleteFirewall.toPrettyString()); while (!deleteFirewall.getStatus().equals("DONE")) { Thread.sleep(2000); deleteFirewall = client.globalOperations().get(PROJECT_NAME, deleteFirewall.getName()).execute(); System.out.println("PROGRESS:" + deleteFirewall.getProgress()); System.out.println("STATUS:" + deleteFirewall.getStatus()); } Operation deleteNetworkOp = client.networks().delete(PROJECT_NAME, vmName + "-network").execute(); System.out.println(deleteNetworkOp.toPrettyString()); while (!deleteNetworkOp.getStatus().equals("DONE")) { Thread.sleep(2000); deleteNetworkOp = client.globalOperations().get(PROJECT_NAME, deleteNetworkOp.getName()).execute(); System.out.println("PROGRESS:" + deleteNetworkOp.getProgress()); System.out.println("STATUS:" + deleteNetworkOp.getStatus()); } } private static void deleteVM(String vmName) throws Exception { // cancello la vm Operation deleteInstance = client.instances().delete(PROJECT_NAME, ZONE, vmName).execute(); System.out.println(deleteInstance.toPrettyString()); while (!deleteInstance.getStatus().equals("DONE")) { Thread.sleep(2000); deleteInstance = client.zoneOperations().get(PROJECT_NAME, ZONE, deleteInstance.getName()).execute(); System.out.println("PROGRESS:" + deleteInstance.getProgress()); System.out.println("STATUS:" + deleteInstance.getStatus()); } } private static void getDisk(String diskName) throws Exception { Disk disk = client.disks().get(PROJECT_NAME, ZONE, diskName).execute(); System.out.println(disk.toPrettyString()); } private static String getResourceNameFromUrl(String url) { Pattern pattern = Pattern.compile(".+/(.+)$"); Matcher matcher = pattern.matcher(url); if (matcher.matches()) return matcher.group(1); throw new IllegalArgumentException(); } private static List<Image> getValidImages(String projectName, String requiredOs) throws Exception { ImageList imageListPD = client.images().list(projectName).execute(); List<Image> validImages = new LinkedList<Image>(); if (imageListPD != null) { List<Image> images = imageListPD.getItems(); for (Image i : images) if (i.getDeprecated() == null && matchString(i.getName(), requiredOs)) validImages.add(i); } for (Image i : validImages) System.out.println(i.toPrettyString()); return validImages; } private static List<MachineType> getValidMachineTypes(String projectName, String zone) throws Exception { MachineTypeList typeList = client.machineTypes().list(PROJECT_NAME, ZONE).execute(); List<MachineType> validMachineTypes = new LinkedList<MachineType>(); if (typeList != null) { List<MachineType> mTypes = typeList.getItems(); for (MachineType mt : mTypes) if (mt.getDeprecated() == null) validMachineTypes.add(mt); } for (MachineType mt : validMachineTypes) System.out.println(mt.toPrettyString()); return validMachineTypes; } private static boolean matchString(String source, String match) { if (match == null) return true; Pattern pattern = Pattern.compile(source); Matcher matcher = pattern.matcher(match); matcher.matches(); return matcher.hitEnd(); } private static void setInstanceTags(String vmName, List<String> newTags) throws Exception { Instance instance = client.instances().get(PROJECT_NAME, ZONE, vmName).execute(); System.out.println(instance.toPrettyString()); Tags tags = instance.getTags(); tags.setItems(newTags); Operation setTagsOp = client.instances().setTags(PROJECT_NAME, ZONE, vmName, tags).execute(); System.out.println(setTagsOp.toPrettyString()); while (!setTagsOp.getStatus().equals("DONE")) { Thread.sleep(2000); setTagsOp = client.zoneOperations().get(PROJECT_NAME, ZONE, setTagsOp.getName()).execute(); System.out.println("PROGRESS:" + setTagsOp.getProgress()); System.out.println("STATUS:" + setTagsOp.getStatus()); } } }