| 1 | /** |
| 2 | * |
| 3 | * Copyright (C) 2011 Cloud Conscious, LLC. <info@cloudconscious.com> |
| 4 | * |
| 5 | * ==================================================================== |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | * ==================================================================== |
| 18 | */ |
| 19 | package org.jclouds.compute.util; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkState; |
| 22 | import static com.google.common.base.Throwables.getStackTraceAsString; |
| 23 | import static com.google.common.collect.Iterables.concat; |
| 24 | import static com.google.common.collect.Iterables.filter; |
| 25 | import static com.google.common.collect.Iterables.find; |
| 26 | import static com.google.common.collect.Iterables.size; |
| 27 | import static com.google.common.collect.Iterables.transform; |
| 28 | import static org.jclouds.scriptbuilder.domain.Statements.pipeHttpResponseToBash; |
| 29 | |
| 30 | import java.net.URI; |
| 31 | import java.util.Formatter; |
| 32 | import java.util.Map; |
| 33 | import java.util.NoSuchElementException; |
| 34 | import java.util.Map.Entry; |
| 35 | import java.util.regex.Matcher; |
| 36 | import java.util.regex.Pattern; |
| 37 | |
| 38 | import org.jclouds.compute.ComputeServiceContextBuilder; |
| 39 | import org.jclouds.compute.domain.ComputeMetadata; |
| 40 | import org.jclouds.compute.domain.Hardware; |
| 41 | import org.jclouds.compute.domain.NodeMetadata; |
| 42 | import org.jclouds.compute.domain.OsFamily; |
| 43 | import org.jclouds.compute.domain.Processor; |
| 44 | import org.jclouds.compute.domain.Volume; |
| 45 | import org.jclouds.compute.predicates.RetryIfSocketNotYetOpen; |
| 46 | import org.jclouds.http.HttpRequest; |
| 47 | import org.jclouds.net.IPSocket; |
| 48 | import org.jclouds.rest.Providers; |
| 49 | import org.jclouds.scriptbuilder.domain.Statement; |
| 50 | import org.jclouds.scriptbuilder.domain.Statements; |
| 51 | |
| 52 | import com.google.common.base.Function; |
| 53 | import com.google.common.base.Predicate; |
| 54 | import com.google.common.collect.Iterables; |
| 55 | |
| 56 | /** |
| 57 | * |
| 58 | * @author Adrian Cole |
| 59 | */ |
| 60 | public class ComputeServiceUtils { |
| 61 | public static final Pattern DELIMETED_BY_HYPHEN_ENDING_IN_HYPHEN_HEX = Pattern.compile("(.+)-[0-9a-f]+"); |
| 62 | |
| 63 | /** |
| 64 | * build a shell script that invokes the contents of the http request in bash. |
| 65 | * |
| 66 | * @return a shell script that will invoke the http request |
| 67 | */ |
| 68 | public static Statement execHttpResponse(HttpRequest request) { |
| 69 | return pipeHttpResponseToBash(request.getMethod(), request.getEndpoint(), request.getHeaders()); |
| 70 | } |
| 71 | |
| 72 | public static Statement execHttpResponse(URI location) { |
| 73 | return execHttpResponse(new HttpRequest("GET", location)); |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * build a shell script that invokes the contents of the http request in bash. |
| 78 | * |
| 79 | * @return a shell script that will invoke the http request |
| 80 | */ |
| 81 | public static Statement extractTargzIntoDirectory(HttpRequest targz, String directory) { |
| 82 | return Statements |
| 83 | .extractTargzIntoDirectory(targz.getMethod(), targz.getEndpoint(), targz.getHeaders(), directory); |
| 84 | } |
| 85 | |
| 86 | public static Statement extractTargzIntoDirectory(URI targz, String directory) { |
| 87 | return extractTargzIntoDirectory(new HttpRequest("GET", targz), directory); |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * build a shell script that invokes the contents of the http request in bash. |
| 92 | * |
| 93 | * @return a shell script that will invoke the http request |
| 94 | */ |
| 95 | public static Statement extractZipIntoDirectory(HttpRequest zip, String directory) { |
| 96 | return Statements.extractZipIntoDirectory(zip.getMethod(), zip.getEndpoint(), zip.getHeaders(), directory); |
| 97 | } |
| 98 | |
| 99 | public static Statement extractZipIntoDirectory(URI zip, String directory) { |
| 100 | return extractZipIntoDirectory(new HttpRequest("GET", zip), directory); |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * |
| 105 | * @return null if group cannot be parsed |
| 106 | */ |
| 107 | public static String parseGroupFromName(String from) { |
| 108 | Matcher matcher = DELIMETED_BY_HYPHEN_ENDING_IN_HYPHEN_HEX.matcher(from); |
| 109 | return matcher.find() ? matcher.group(1) : null; |
| 110 | } |
| 111 | |
| 112 | public static double getCores(Hardware input) { |
| 113 | double cores = 0; |
| 114 | for (Processor processor : input.getProcessors()) |
| 115 | cores += processor.getCores(); |
| 116 | return cores; |
| 117 | } |
| 118 | |
| 119 | public static double getCoresAndSpeed(Hardware input) { |
| 120 | double total = 0; |
| 121 | for (Processor processor : input.getProcessors()) |
| 122 | total += (processor.getCores() * processor.getSpeed()); |
| 123 | return total; |
| 124 | } |
| 125 | |
| 126 | public static double getSpace(Hardware input) { |
| 127 | double total = 0; |
| 128 | for (Volume volume : input.getVolumes()) |
| 129 | total += volume.getSize() != null ? volume.getSize() : 0; |
| 130 | return total; |
| 131 | } |
| 132 | |
| 133 | public static org.jclouds.compute.domain.OsFamily parseOsFamilyOrUnrecognized(String in) { |
| 134 | org.jclouds.compute.domain.OsFamily myOs = null; |
| 135 | for (org.jclouds.compute.domain.OsFamily os : org.jclouds.compute.domain.OsFamily.values()) { |
| 136 | if (in.toLowerCase().replaceAll("\\s", "").indexOf(os.toString()) != -1) { |
| 137 | myOs = os; |
| 138 | } |
| 139 | } |
| 140 | return myOs != null ? myOs : OsFamily.UNRECOGNIZED; |
| 141 | } |
| 142 | |
| 143 | public static String createExecutionErrorMessage(Map<?, Exception> executionExceptions) { |
| 144 | Formatter fmt = new Formatter().format("Execution failures:%n%n"); |
| 145 | int index = 1; |
| 146 | for (Entry<?, Exception> errorMessage : executionExceptions.entrySet()) { |
| 147 | fmt.format("%s) %s on %s:%n%s%n%n", index++, errorMessage.getValue().getClass().getSimpleName(), errorMessage |
| 148 | .getKey(), getStackTraceAsString(errorMessage.getValue())); |
| 149 | } |
| 150 | return fmt.format("%s error[s]", executionExceptions.size()).toString(); |
| 151 | } |
| 152 | |
| 153 | public static String createNodeErrorMessage(Map<? extends NodeMetadata, ? extends Throwable> failedNodes) { |
| 154 | Formatter fmt = new Formatter().format("Node failures:%n%n"); |
| 155 | int index = 1; |
| 156 | for (Entry<? extends NodeMetadata, ? extends Throwable> errorMessage : failedNodes.entrySet()) { |
| 157 | fmt.format("%s) %s on node %s:%n%s%n%n", index++, errorMessage.getValue().getClass().getSimpleName(), |
| 158 | errorMessage.getKey().getId(), getStackTraceAsString(errorMessage.getValue())); |
| 159 | } |
| 160 | return fmt.format("%s error[s]", failedNodes.size()).toString(); |
| 161 | } |
| 162 | |
| 163 | public static Iterable<? extends ComputeMetadata> filterByName(Iterable<? extends ComputeMetadata> nodes, |
| 164 | final String name) { |
| 165 | return filter(nodes, new Predicate<ComputeMetadata>() { |
| 166 | @Override |
| 167 | public boolean apply(ComputeMetadata input) { |
| 168 | return input.getName().equalsIgnoreCase(name); |
| 169 | } |
| 170 | }); |
| 171 | } |
| 172 | |
| 173 | public static Iterable<String> getSupportedProviders() { |
| 174 | return Providers.getSupportedProvidersOfType(ComputeServiceContextBuilder.class); |
| 175 | } |
| 176 | |
| 177 | public static IPSocket findReachableSocketOnNode(RetryIfSocketNotYetOpen socketTester, final NodeMetadata node, |
| 178 | final int port) { |
| 179 | checkNodeHasIps(node); |
| 180 | IPSocket socket = null; |
| 181 | try { |
| 182 | socket = find(transform(concat(node.getPublicAddresses(), node.getPrivateAddresses()), |
| 183 | new Function<String, IPSocket>() { |
| 184 | |
| 185 | @Override |
| 186 | public IPSocket apply(String from) { |
| 187 | return new IPSocket(from, port); |
| 188 | } |
| 189 | }), socketTester); |
| 190 | } catch (NoSuchElementException e) { |
| 191 | throw new NoSuchElementException(String.format("could not connect to any ip address port %d on node %s", port, |
| 192 | node)); |
| 193 | } |
| 194 | return socket; |
| 195 | } |
| 196 | |
| 197 | public static void checkNodeHasIps(NodeMetadata node) { |
| 198 | checkState(size(concat(node.getPublicAddresses(), node.getPrivateAddresses())) > 0, |
| 199 | "node does not have IP addresses configured: " + node); |
| 200 | } |
| 201 | |
| 202 | public static String parseVersionOrReturnEmptyString(org.jclouds.compute.domain.OsFamily family, String in, |
| 203 | Map<OsFamily, Map<String, String>> osVersionMap) { |
| 204 | if (osVersionMap.containsKey(family)) { |
| 205 | if (osVersionMap.get(family).containsKey(in)) |
| 206 | return osVersionMap.get(family).get(in); |
| 207 | if (osVersionMap.get(family).containsValue(in)) |
| 208 | return in; |
| 209 | CONTAINS_SUBSTRING contains = new CONTAINS_SUBSTRING(in.replace('-', '.')); |
| 210 | try { |
| 211 | String key = Iterables.find(osVersionMap.get(family).keySet(), contains); |
| 212 | return osVersionMap.get(family).get(key); |
| 213 | } catch (NoSuchElementException e) { |
| 214 | try { |
| 215 | return Iterables.find(osVersionMap.get(family).values(), contains); |
| 216 | } catch (NoSuchElementException e1) { |
| 217 | } |
| 218 | } |
| 219 | } |
| 220 | return ""; |
| 221 | } |
| 222 | |
| 223 | static final class CONTAINS_SUBSTRING implements Predicate<String> { |
| 224 | private final String in; |
| 225 | |
| 226 | CONTAINS_SUBSTRING(String in) { |
| 227 | this.in = in; |
| 228 | } |
| 229 | |
| 230 | @Override |
| 231 | public boolean apply(String input) { |
| 232 | return in.indexOf(input) != -1; |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | } |