| 1 | /** |
| 2 | * Licensed to jclouds, Inc. (jclouds) under one or more |
| 3 | * contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. jclouds licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. 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, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.jclouds.compute.domain.internal; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkNotNull; |
| 22 | import static com.google.common.base.Predicates.and; |
| 23 | import static com.google.common.collect.Iterables.filter; |
| 24 | import static com.google.common.collect.Iterables.find; |
| 25 | import static com.google.common.collect.Iterables.size; |
| 26 | import static com.google.common.collect.Iterables.transform; |
| 27 | import static com.google.common.collect.Lists.newArrayList; |
| 28 | import static org.jclouds.compute.util.ComputeServiceUtils.getCores; |
| 29 | import static org.jclouds.compute.util.ComputeServiceUtils.getCoresAndSpeed; |
| 30 | import static org.jclouds.compute.util.ComputeServiceUtils.getSpace; |
| 31 | import static java.lang.String.format; |
| 32 | import java.util.List; |
| 33 | import java.util.NoSuchElementException; |
| 34 | import java.util.Set; |
| 35 | |
| 36 | import javax.annotation.Resource; |
| 37 | import javax.inject.Inject; |
| 38 | import javax.inject.Named; |
| 39 | import javax.inject.Provider; |
| 40 | |
| 41 | import org.jclouds.collect.Memoized; |
| 42 | import org.jclouds.compute.domain.ComputeMetadata; |
| 43 | import org.jclouds.compute.domain.Hardware; |
| 44 | import org.jclouds.compute.domain.Image; |
| 45 | import org.jclouds.compute.domain.OperatingSystem; |
| 46 | import org.jclouds.compute.domain.OsFamily; |
| 47 | import org.jclouds.compute.domain.Template; |
| 48 | import org.jclouds.compute.domain.TemplateBuilder; |
| 49 | import org.jclouds.compute.options.TemplateOptions; |
| 50 | import org.jclouds.compute.reference.ComputeServiceConstants; |
| 51 | import org.jclouds.domain.Location; |
| 52 | import org.jclouds.logging.Logger; |
| 53 | import org.jclouds.util.Lists2; |
| 54 | |
| 55 | import com.google.common.annotations.VisibleForTesting; |
| 56 | import com.google.common.base.Function; |
| 57 | import com.google.common.base.Predicate; |
| 58 | import com.google.common.base.Predicates; |
| 59 | import com.google.common.base.Supplier; |
| 60 | import com.google.common.collect.ComparisonChain; |
| 61 | import com.google.common.collect.ImmutableList; |
| 62 | import com.google.common.collect.Iterables; |
| 63 | import com.google.common.collect.Ordering; |
| 64 | import com.google.common.primitives.Doubles; |
| 65 | |
| 66 | /** |
| 67 | * |
| 68 | * @author Adrian Cole |
| 69 | */ |
| 70 | @SuppressWarnings("unchecked") |
| 71 | public class TemplateBuilderImpl implements TemplateBuilder { |
| 72 | |
| 73 | @Resource |
| 74 | @Named(ComputeServiceConstants.COMPUTE_LOGGER) |
| 75 | protected Logger logger = Logger.NULL; |
| 76 | |
| 77 | protected final Supplier<Set<? extends Image>> images; |
| 78 | protected final Supplier<Set<? extends Hardware>> hardwares; |
| 79 | protected final Supplier<Set<? extends Location>> locations; |
| 80 | protected final Supplier<Location> defaultLocation; |
| 81 | protected final Provider<TemplateOptions> optionsProvider; |
| 82 | protected final Provider<TemplateBuilder> defaultTemplateProvider; |
| 83 | |
| 84 | @VisibleForTesting |
| 85 | protected Location location; |
| 86 | @VisibleForTesting |
| 87 | protected String imageId; |
| 88 | @VisibleForTesting |
| 89 | protected String hardwareId; |
| 90 | @VisibleForTesting |
| 91 | protected String imageVersion; |
| 92 | @VisibleForTesting |
| 93 | protected OsFamily osFamily; |
| 94 | @VisibleForTesting |
| 95 | protected String osVersion; |
| 96 | @VisibleForTesting |
| 97 | protected Boolean os64Bit; |
| 98 | @VisibleForTesting |
| 99 | protected String osName; |
| 100 | @VisibleForTesting |
| 101 | protected String osDescription; |
| 102 | @VisibleForTesting |
| 103 | protected String osArch; |
| 104 | @VisibleForTesting |
| 105 | protected String imageName; |
| 106 | @VisibleForTesting |
| 107 | protected String imageDescription; |
| 108 | @VisibleForTesting |
| 109 | protected Predicate<Image> imagePredicate; |
| 110 | @VisibleForTesting |
| 111 | protected double minCores; |
| 112 | @VisibleForTesting |
| 113 | protected int minRam; |
| 114 | @VisibleForTesting |
| 115 | protected boolean biggest; |
| 116 | @VisibleForTesting |
| 117 | protected boolean fastest; |
| 118 | @VisibleForTesting |
| 119 | protected TemplateOptions options; |
| 120 | |
| 121 | @Inject |
| 122 | protected TemplateBuilderImpl(@Memoized Supplier<Set<? extends Location>> locations, |
| 123 | @Memoized Supplier<Set<? extends Image>> images, @Memoized Supplier<Set<? extends Hardware>> hardwares, |
| 124 | Supplier<Location> defaultLocation2, @Named("DEFAULT") Provider<TemplateOptions> optionsProvider, |
| 125 | @Named("DEFAULT") Provider<TemplateBuilder> defaultTemplateProvider) { |
| 126 | this.locations = locations; |
| 127 | this.images = images; |
| 128 | this.hardwares = hardwares; |
| 129 | this.defaultLocation = defaultLocation2; |
| 130 | this.optionsProvider = optionsProvider; |
| 131 | this.defaultTemplateProvider = defaultTemplateProvider; |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * If the current location id is null, then we don't care where to launch a node. |
| 136 | * |
| 137 | * If the input location is null, then the data isn't location sensitive |
| 138 | * |
| 139 | * If the input location is a parent of the specified location, then we are ok. |
| 140 | */ |
| 141 | private final Predicate<ComputeMetadata> locationPredicate = new Predicate<ComputeMetadata>() { |
| 142 | @Override |
| 143 | public boolean apply(ComputeMetadata input) { |
| 144 | boolean returnVal = true; |
| 145 | if (location != null && input.getLocation() != null) |
| 146 | returnVal = location.equals(input.getLocation()) || location.getParent() != null |
| 147 | && location.getParent().equals(input.getLocation()) || location.getParent().getParent() != null |
| 148 | && location.getParent().getParent().equals(input.getLocation()); |
| 149 | return returnVal; |
| 150 | } |
| 151 | |
| 152 | @Override |
| 153 | public String toString() { |
| 154 | return location == null ? "anyLocation()" : "locationEqualsOrChildOf(" + location.getId() + ")"; |
| 155 | } |
| 156 | }; |
| 157 | |
| 158 | private final Predicate<Image> idPredicate = new Predicate<Image>() { |
| 159 | @Override |
| 160 | public boolean apply(Image input) { |
| 161 | boolean returnVal = true; |
| 162 | if (imageId != null) { |
| 163 | returnVal = imageId.equals(input.getId()); |
| 164 | // match our input params so that the later predicates pass. |
| 165 | if (returnVal) { |
| 166 | fromImage(input); |
| 167 | } |
| 168 | } |
| 169 | return returnVal; |
| 170 | } |
| 171 | |
| 172 | @Override |
| 173 | public String toString() { |
| 174 | return "imageId(" + imageId + ")"; |
| 175 | } |
| 176 | }; |
| 177 | |
| 178 | private final Predicate<OperatingSystem> osFamilyPredicate = new Predicate<OperatingSystem>() { |
| 179 | |
| 180 | @Override |
| 181 | public boolean apply(OperatingSystem input) { |
| 182 | boolean returnVal = true; |
| 183 | if (osFamily != null) |
| 184 | returnVal = osFamily.equals(input.getFamily()); |
| 185 | return returnVal; |
| 186 | } |
| 187 | |
| 188 | @Override |
| 189 | public String toString() { |
| 190 | return "osFamily(" + osFamily + ")"; |
| 191 | } |
| 192 | }; |
| 193 | |
| 194 | private final Predicate<OperatingSystem> osNamePredicate = new Predicate<OperatingSystem>() { |
| 195 | @Override |
| 196 | public boolean apply(OperatingSystem input) { |
| 197 | boolean returnVal = true; |
| 198 | if (osName != null) { |
| 199 | if (input.getName() == null) |
| 200 | returnVal = false; |
| 201 | else |
| 202 | returnVal = input.getName().contains(osName) || input.getName().matches(osName); |
| 203 | } |
| 204 | return returnVal; |
| 205 | } |
| 206 | |
| 207 | @Override |
| 208 | public String toString() { |
| 209 | return "osName(" + osName + ")"; |
| 210 | } |
| 211 | }; |
| 212 | |
| 213 | private final Predicate<OperatingSystem> osDescriptionPredicate = new Predicate<OperatingSystem>() { |
| 214 | @Override |
| 215 | public boolean apply(OperatingSystem input) { |
| 216 | boolean returnVal = true; |
| 217 | if (osDescription != null) { |
| 218 | if (input.getDescription() == null) |
| 219 | returnVal = false; |
| 220 | else |
| 221 | returnVal = input.getDescription().contains(osDescription) |
| 222 | || input.getDescription().matches(osDescription); |
| 223 | } |
| 224 | return returnVal; |
| 225 | } |
| 226 | |
| 227 | @Override |
| 228 | public String toString() { |
| 229 | return "osDescription(" + osDescription + ")"; |
| 230 | } |
| 231 | }; |
| 232 | |
| 233 | private final Predicate<OperatingSystem> osVersionPredicate = new Predicate<OperatingSystem>() { |
| 234 | @Override |
| 235 | public boolean apply(OperatingSystem input) { |
| 236 | boolean returnVal = true; |
| 237 | if (osVersion != null) { |
| 238 | if (input.getVersion() == null) |
| 239 | returnVal = false; |
| 240 | else |
| 241 | returnVal = input.getVersion().contains(osVersion) || input.getVersion().matches(osVersion); |
| 242 | } |
| 243 | return returnVal; |
| 244 | } |
| 245 | |
| 246 | @Override |
| 247 | public String toString() { |
| 248 | return "osVersion(" + osVersion + ")"; |
| 249 | } |
| 250 | }; |
| 251 | |
| 252 | private final Predicate<OperatingSystem> os64BitPredicate = new Predicate<OperatingSystem>() { |
| 253 | @Override |
| 254 | public boolean apply(OperatingSystem input) { |
| 255 | boolean returnVal = true; |
| 256 | if (os64Bit != null) { |
| 257 | if (os64Bit) |
| 258 | return input.is64Bit(); |
| 259 | else |
| 260 | return !input.is64Bit(); |
| 261 | } |
| 262 | return returnVal; |
| 263 | } |
| 264 | |
| 265 | @Override |
| 266 | public String toString() { |
| 267 | return "os64Bit(" + os64Bit + ")"; |
| 268 | } |
| 269 | }; |
| 270 | |
| 271 | private final Predicate<OperatingSystem> osArchPredicate = new Predicate<OperatingSystem>() { |
| 272 | @Override |
| 273 | public boolean apply(OperatingSystem input) { |
| 274 | boolean returnVal = true; |
| 275 | if (osArch != null) { |
| 276 | if (input.getArch() == null) |
| 277 | returnVal = false; |
| 278 | else |
| 279 | returnVal = input.getArch().contains(osArch) || input.getArch().matches(osArch); |
| 280 | } |
| 281 | return returnVal; |
| 282 | } |
| 283 | |
| 284 | @Override |
| 285 | public String toString() { |
| 286 | return "osArch(" + osArch + ")"; |
| 287 | } |
| 288 | }; |
| 289 | |
| 290 | private final Predicate<Image> imageVersionPredicate = new Predicate<Image>() { |
| 291 | @Override |
| 292 | public boolean apply(Image input) { |
| 293 | boolean returnVal = true; |
| 294 | if (imageVersion != null) { |
| 295 | if (input.getVersion() == null) |
| 296 | returnVal = false; |
| 297 | else |
| 298 | returnVal = input.getVersion().contains(imageVersion) || input.getVersion().matches(imageVersion); |
| 299 | } |
| 300 | return returnVal; |
| 301 | } |
| 302 | |
| 303 | @Override |
| 304 | public String toString() { |
| 305 | return "imageVersion(" + imageVersion + ")"; |
| 306 | } |
| 307 | }; |
| 308 | |
| 309 | private final Predicate<Image> imageNamePredicate = new Predicate<Image>() { |
| 310 | @Override |
| 311 | public boolean apply(Image input) { |
| 312 | boolean returnVal = true; |
| 313 | if (imageName != null) { |
| 314 | if (input.getName() == null) |
| 315 | returnVal = false; |
| 316 | else |
| 317 | returnVal = input.getName().contains(imageName) || input.getName().matches(imageName); |
| 318 | } |
| 319 | return returnVal; |
| 320 | } |
| 321 | |
| 322 | @Override |
| 323 | public String toString() { |
| 324 | return "imageName(" + imageName + ")"; |
| 325 | } |
| 326 | }; |
| 327 | private final Predicate<Image> imageDescriptionPredicate = new Predicate<Image>() { |
| 328 | @Override |
| 329 | public boolean apply(Image input) { |
| 330 | boolean returnVal = true; |
| 331 | if (imageDescription != null) { |
| 332 | if (input.getDescription() == null) |
| 333 | returnVal = false; |
| 334 | else |
| 335 | returnVal = input.getDescription().equals(imageDescription) |
| 336 | || input.getDescription().contains(imageDescription) |
| 337 | || input.getDescription().matches(imageDescription); |
| 338 | } |
| 339 | return returnVal; |
| 340 | } |
| 341 | |
| 342 | @Override |
| 343 | public String toString() { |
| 344 | return "imageDescription(" + imageDescription + ")"; |
| 345 | } |
| 346 | }; |
| 347 | private final Predicate<Hardware> hardwareIdPredicate = new Predicate<Hardware>() { |
| 348 | @Override |
| 349 | public boolean apply(Hardware input) { |
| 350 | boolean returnVal = true; |
| 351 | if (hardwareId != null) { |
| 352 | returnVal = hardwareId.equals(input.getId()); |
| 353 | // match our input params so that the later predicates pass. |
| 354 | if (returnVal) { |
| 355 | fromHardware(input); |
| 356 | } |
| 357 | } |
| 358 | return returnVal; |
| 359 | } |
| 360 | |
| 361 | @Override |
| 362 | public String toString() { |
| 363 | return "hardwareId(" + hardwareId + ")"; |
| 364 | } |
| 365 | }; |
| 366 | |
| 367 | private final Predicate<Hardware> hardwareCoresPredicate = new Predicate<Hardware>() { |
| 368 | @Override |
| 369 | public boolean apply(Hardware input) { |
| 370 | double cores = getCores(input); |
| 371 | return cores >= TemplateBuilderImpl.this.minCores; |
| 372 | } |
| 373 | |
| 374 | @Override |
| 375 | public String toString() { |
| 376 | return "minCores(" + minCores + ")"; |
| 377 | } |
| 378 | }; |
| 379 | |
| 380 | private final Predicate<Hardware> hardwareRamPredicate = new Predicate<Hardware>() { |
| 381 | @Override |
| 382 | public boolean apply(Hardware input) { |
| 383 | return input.getRam() >= TemplateBuilderImpl.this.minRam; |
| 384 | } |
| 385 | |
| 386 | @Override |
| 387 | public String toString() { |
| 388 | return "minRam(" + minRam + ")"; |
| 389 | } |
| 390 | }; |
| 391 | private final Predicate<Hardware> hardwarePredicate = and(hardwareIdPredicate, locationPredicate, |
| 392 | hardwareCoresPredicate, hardwareRamPredicate); |
| 393 | |
| 394 | static final Ordering<Hardware> DEFAULT_SIZE_ORDERING = new Ordering<Hardware>() { |
| 395 | public int compare(Hardware left, Hardware right) { |
| 396 | return ComparisonChain.start().compare(getCores(left), getCores(right)).compare(left.getRam(), right.getRam()) |
| 397 | .compare(getSpace(left), getSpace(right)).result(); |
| 398 | } |
| 399 | }; |
| 400 | static final Ordering<Hardware> BY_CORES_ORDERING = new Ordering<Hardware>() { |
| 401 | public int compare(Hardware left, Hardware right) { |
| 402 | return Doubles.compare(getCoresAndSpeed(left), getCoresAndSpeed(right)); |
| 403 | } |
| 404 | }; |
| 405 | static final Ordering<Image> DEFAULT_IMAGE_ORDERING = new Ordering<Image>() { |
| 406 | public int compare(Image left, Image right) { |
| 407 | return ComparisonChain.start() |
| 408 | .compare(left.getName(), right.getName(), Ordering.<String> natural().nullsLast()) |
| 409 | .compare(left.getVersion(), right.getVersion(), Ordering.<String> natural().nullsLast()) |
| 410 | .compare(left.getOperatingSystem().getName(), right.getOperatingSystem().getName(),// |
| 411 | Ordering.<String> natural().nullsLast()) |
| 412 | .compare(left.getOperatingSystem().getVersion(), right.getOperatingSystem().getVersion(),// |
| 413 | Ordering.<String> natural().nullsLast()) |
| 414 | .compare(left.getOperatingSystem().getDescription(), right.getOperatingSystem().getDescription(),// |
| 415 | Ordering.<String> natural().nullsLast()) |
| 416 | .compare(left.getOperatingSystem().getArch(), right.getOperatingSystem().getArch()).result(); |
| 417 | } |
| 418 | }; |
| 419 | |
| 420 | /** |
| 421 | * {@inheritDoc} |
| 422 | */ |
| 423 | @Override |
| 424 | public TemplateBuilder fromTemplate(Template template) { |
| 425 | location = template.getLocation(); |
| 426 | fromHardware(template.getHardware()); |
| 427 | fromImage(template.getImage()); |
| 428 | options(template.getOptions()); |
| 429 | return this; |
| 430 | } |
| 431 | |
| 432 | /** |
| 433 | * {@inheritDoc} |
| 434 | */ |
| 435 | @Override |
| 436 | public TemplateBuilder fromHardware(Hardware hardware) { |
| 437 | if (currentLocationWiderThan(hardware.getLocation())) |
| 438 | this.location = hardware.getLocation(); |
| 439 | this.minCores = getCores(hardware); |
| 440 | this.minRam = hardware.getRam(); |
| 441 | return this; |
| 442 | } |
| 443 | |
| 444 | private boolean currentLocationWiderThan(Location location) { |
| 445 | return this.location == null || (location != null && this.location.getScope().compareTo(location.getScope()) < 0); |
| 446 | } |
| 447 | |
| 448 | /** |
| 449 | * {@inheritDoc} |
| 450 | */ |
| 451 | @Override |
| 452 | public TemplateBuilder fromImage(Image image) { |
| 453 | if (currentLocationWiderThan(image.getLocation())) |
| 454 | this.location = image.getLocation(); |
| 455 | if (image.getOperatingSystem().getFamily() != null) |
| 456 | this.osFamily = image.getOperatingSystem().getFamily(); |
| 457 | if (image.getName() != null) |
| 458 | this.imageName = image.getName(); |
| 459 | if (image.getDescription() != null) |
| 460 | this.imageDescription = image.getDescription(); |
| 461 | if (image.getOperatingSystem().getName() != null) |
| 462 | this.osName = image.getOperatingSystem().getName(); |
| 463 | if (image.getOperatingSystem().getDescription() != null) |
| 464 | this.osDescription = image.getOperatingSystem().getDescription(); |
| 465 | if (image.getVersion() != null) |
| 466 | this.imageVersion = image.getVersion(); |
| 467 | if (image.getOperatingSystem().getVersion() != null) |
| 468 | this.osVersion = image.getOperatingSystem().getVersion(); |
| 469 | this.os64Bit = image.getOperatingSystem().is64Bit(); |
| 470 | if (image.getOperatingSystem().getArch() != null) |
| 471 | this.osArch = image.getOperatingSystem().getArch(); |
| 472 | return this; |
| 473 | } |
| 474 | |
| 475 | /** |
| 476 | * {@inheritDoc} |
| 477 | */ |
| 478 | @Override |
| 479 | public TemplateBuilder smallest() { |
| 480 | this.biggest = false; |
| 481 | return this; |
| 482 | } |
| 483 | |
| 484 | /** |
| 485 | * {@inheritDoc} |
| 486 | */ |
| 487 | @Override |
| 488 | public TemplateBuilder biggest() { |
| 489 | this.biggest = true; |
| 490 | return this; |
| 491 | } |
| 492 | |
| 493 | /** |
| 494 | * {@inheritDoc} |
| 495 | */ |
| 496 | @Override |
| 497 | public TemplateBuilder fastest() { |
| 498 | this.fastest = true; |
| 499 | return this; |
| 500 | } |
| 501 | |
| 502 | /** |
| 503 | * {@inheritDoc} |
| 504 | */ |
| 505 | @Override |
| 506 | public TemplateBuilder locationId(final String locationId) { |
| 507 | Set<? extends Location> locations = this.locations.get(); |
| 508 | try { |
| 509 | this.location = find(locations, new Predicate<Location>() { |
| 510 | |
| 511 | @Override |
| 512 | public boolean apply(Location input) { |
| 513 | return input.getId().equals(locationId); |
| 514 | } |
| 515 | |
| 516 | @Override |
| 517 | public String toString() { |
| 518 | return "locationId(" + locationId + ")"; |
| 519 | } |
| 520 | |
| 521 | }); |
| 522 | } catch (NoSuchElementException e) { |
| 523 | throw new NoSuchElementException(format("location id %s not found in: %s", locationId, locations)); |
| 524 | } |
| 525 | return this; |
| 526 | } |
| 527 | |
| 528 | /** |
| 529 | * {@inheritDoc} |
| 530 | */ |
| 531 | @Override |
| 532 | public TemplateBuilder osFamily(OsFamily os) { |
| 533 | this.osFamily = os; |
| 534 | return this; |
| 535 | } |
| 536 | |
| 537 | private static final Function<Image, String> imageToId = new Function<Image, String>() { |
| 538 | |
| 539 | @Override |
| 540 | public String apply(Image arg0) { |
| 541 | return arg0.getId(); |
| 542 | } |
| 543 | |
| 544 | }; |
| 545 | |
| 546 | /** |
| 547 | * {@inheritDoc} |
| 548 | */ |
| 549 | @Override |
| 550 | public Template build() { |
| 551 | if (nothingChangedExceptOptions()) { |
| 552 | TemplateBuilder defaultTemplate = defaultTemplateProvider.get(); |
| 553 | if (options != null) |
| 554 | defaultTemplate.options(options); |
| 555 | return defaultTemplate.build(); |
| 556 | } |
| 557 | if (location == null) |
| 558 | location = defaultLocation.get(); |
| 559 | if (options == null) |
| 560 | options = optionsProvider.get(); |
| 561 | logger.debug(">> searching params(%s)", this); |
| 562 | Set<? extends Image> images = getImages(); |
| 563 | Predicate<Image> imagePredicate = buildImagePredicate(); |
| 564 | Iterable<? extends Image> supportedImages = filter(images, buildImagePredicate()); |
| 565 | if (size(supportedImages) == 0) { |
| 566 | if (imagePredicate == idPredicate) { |
| 567 | throw new NoSuchElementException(format("%s not found", idPredicate)); |
| 568 | } else { |
| 569 | throwNoSuchElementExceptionAfterLoggingImageIds(format("no image matched predicate: %s", imagePredicate), |
| 570 | images); |
| 571 | } |
| 572 | } |
| 573 | Hardware hardware = resolveSize(hardwareSorter(), supportedImages); |
| 574 | Image image = resolveImage(hardware, supportedImages); |
| 575 | logger.debug("<< matched image(%s)", image.getId()); |
| 576 | |
| 577 | return new TemplateImpl(image, hardware, location, options); |
| 578 | } |
| 579 | |
| 580 | protected void throwNoSuchElementExceptionAfterLoggingImageIds(String message, Iterable<? extends Image> images) { |
| 581 | NoSuchElementException exception = new NoSuchElementException(message); |
| 582 | if (logger.isTraceEnabled()) |
| 583 | logger.warn(exception, "image ids that didn't match: %s", transform(images, imageToId)); |
| 584 | throw exception; |
| 585 | } |
| 586 | |
| 587 | protected Hardware resolveSize(Ordering<Hardware> hardwareOrdering, final Iterable<? extends Image> images) { |
| 588 | Set<? extends Hardware> hardwarel = hardwares.get(); |
| 589 | Hardware hardware; |
| 590 | try { |
| 591 | Iterable<? extends Hardware> hardwaresThatAreCompatibleWithOurImages = filter(hardwarel, |
| 592 | new Predicate<Hardware>() { |
| 593 | @Override |
| 594 | public boolean apply(final Hardware hardware) { |
| 595 | return Iterables.any(images, new Predicate<Image>() { |
| 596 | |
| 597 | @Override |
| 598 | public boolean apply(Image input) { |
| 599 | return hardware.supportsImage().apply(input); |
| 600 | } |
| 601 | |
| 602 | @Override |
| 603 | public String toString() { |
| 604 | return "hardware(" + hardware + ").supportsImage()"; |
| 605 | } |
| 606 | |
| 607 | }); |
| 608 | |
| 609 | } |
| 610 | }); |
| 611 | hardware = hardwareOrdering.max(filter(hardwaresThatAreCompatibleWithOurImages, hardwarePredicate)); |
| 612 | } catch (NoSuchElementException exception) { |
| 613 | String message = format("no hardware profiles support images matching params: %s", toString()); |
| 614 | exception = new NoSuchElementException(message); |
| 615 | if (logger.isTraceEnabled()) |
| 616 | logger.warn(exception, "hardware profiles %s\nimage ids %s", hardwarel, transform(images, imageToId)); |
| 617 | throw exception; |
| 618 | } |
| 619 | logger.debug("<< matched hardware(%s)", hardware.getId()); |
| 620 | return hardware; |
| 621 | } |
| 622 | |
| 623 | protected Ordering<Hardware> hardwareSorter() { |
| 624 | Ordering<Hardware> hardwareOrdering = DEFAULT_SIZE_ORDERING; |
| 625 | if (!biggest) |
| 626 | hardwareOrdering = hardwareOrdering.reverse(); |
| 627 | if (fastest) |
| 628 | hardwareOrdering = Ordering.compound(ImmutableList.of(BY_CORES_ORDERING, hardwareOrdering)); |
| 629 | return hardwareOrdering; |
| 630 | } |
| 631 | |
| 632 | /** |
| 633 | * |
| 634 | * @param hardware |
| 635 | * @param supportedImages |
| 636 | * @throws NoSuchElementException |
| 637 | * if there's no image that matches the predicate |
| 638 | */ |
| 639 | protected Image resolveImage(final Hardware hardware, Iterable<? extends Image> supportedImages) { |
| 640 | Predicate<Image> imagePredicate = new Predicate<Image>() { |
| 641 | |
| 642 | @Override |
| 643 | public boolean apply(Image arg0) { |
| 644 | return hardware.supportsImage().apply(arg0); |
| 645 | } |
| 646 | |
| 647 | @Override |
| 648 | public String toString() { |
| 649 | return "hardware(" + hardware + ").supportsImage()"; |
| 650 | } |
| 651 | }; |
| 652 | try { |
| 653 | Iterable<? extends Image> matchingImages = filter(supportedImages, imagePredicate); |
| 654 | if (logger.isTraceEnabled()) |
| 655 | logger.trace("<< matched images(%s)", transform(matchingImages, imageToId)); |
| 656 | List<? extends Image> maxImages = Lists2.multiMax(DEFAULT_IMAGE_ORDERING, matchingImages); |
| 657 | if (logger.isTraceEnabled()) |
| 658 | logger.trace("<< best images(%s)", transform(maxImages, imageToId)); |
| 659 | return maxImages.get(maxImages.size() - 1); |
| 660 | } catch (NoSuchElementException exception) { |
| 661 | throwNoSuchElementExceptionAfterLoggingImageIds(format("no image matched params: %s", toString()), |
| 662 | supportedImages); |
| 663 | assert false; |
| 664 | return null; |
| 665 | } |
| 666 | } |
| 667 | |
| 668 | protected Set<? extends Image> getImages() { |
| 669 | return images.get(); |
| 670 | } |
| 671 | |
| 672 | private Predicate<Image> buildImagePredicate() { |
| 673 | List<Predicate<Image>> predicates = newArrayList(); |
| 674 | if (imageId != null) { |
| 675 | predicates.add(idPredicate); |
| 676 | } else { |
| 677 | if (location != null) |
| 678 | predicates.add(new Predicate<Image>() { |
| 679 | |
| 680 | @Override |
| 681 | public boolean apply(Image input) { |
| 682 | return locationPredicate.apply(input); |
| 683 | } |
| 684 | |
| 685 | @Override |
| 686 | public String toString() { |
| 687 | return locationPredicate.toString(); |
| 688 | } |
| 689 | }); |
| 690 | |
| 691 | final List<Predicate<OperatingSystem>> osPredicates = newArrayList(); |
| 692 | if (osFamily != null) |
| 693 | osPredicates.add(osFamilyPredicate); |
| 694 | if (osName != null) |
| 695 | osPredicates.add(osNamePredicate); |
| 696 | if (osDescription != null) |
| 697 | osPredicates.add(osDescriptionPredicate); |
| 698 | if (osVersion != null) |
| 699 | osPredicates.add(osVersionPredicate); |
| 700 | if (os64Bit != null) |
| 701 | osPredicates.add(os64BitPredicate); |
| 702 | if (osArch != null) |
| 703 | osPredicates.add(osArchPredicate); |
| 704 | if (osPredicates.size() > 0) |
| 705 | predicates.add(new Predicate<Image>() { |
| 706 | |
| 707 | @Override |
| 708 | public boolean apply(Image input) { |
| 709 | return and(osPredicates).apply(input.getOperatingSystem()); |
| 710 | } |
| 711 | |
| 712 | @Override |
| 713 | public String toString() { |
| 714 | return and(osPredicates).toString(); |
| 715 | } |
| 716 | |
| 717 | }); |
| 718 | if (imageVersion != null) |
| 719 | predicates.add(imageVersionPredicate); |
| 720 | if (imageName != null) |
| 721 | predicates.add(imageNamePredicate); |
| 722 | if (imageDescription != null) |
| 723 | predicates.add(imageDescriptionPredicate); |
| 724 | if (imagePredicate != null) |
| 725 | predicates.add(imagePredicate); |
| 726 | } |
| 727 | |
| 728 | // looks verbose, but explicit <Image> type needed for this to compile |
| 729 | // properly |
| 730 | Predicate<Image> imagePredicate = predicates.size() == 1 ? Iterables.<Predicate<Image>> get(predicates, 0) |
| 731 | : Predicates.<Image> and(predicates); |
| 732 | return imagePredicate; |
| 733 | } |
| 734 | |
| 735 | /** |
| 736 | * {@inheritDoc} |
| 737 | */ |
| 738 | @Override |
| 739 | public TemplateBuilder imageId(String imageId) { |
| 740 | this.imageId = imageId; |
| 741 | this.imageName = null; |
| 742 | this.imageDescription = null; |
| 743 | this.imagePredicate = null; |
| 744 | this.imageVersion = null; |
| 745 | this.osFamily = null; |
| 746 | this.osName = null; |
| 747 | this.osDescription = null; |
| 748 | this.osVersion = null; |
| 749 | this.os64Bit = null; |
| 750 | this.osArch = null; |
| 751 | return this; |
| 752 | } |
| 753 | |
| 754 | /** |
| 755 | * {@inheritDoc} |
| 756 | */ |
| 757 | @Override |
| 758 | public TemplateBuilder imageNameMatches(String nameRegex) { |
| 759 | this.imageName = nameRegex; |
| 760 | return this; |
| 761 | } |
| 762 | |
| 763 | /** |
| 764 | * {@inheritDoc} |
| 765 | */ |
| 766 | @Override |
| 767 | public TemplateBuilder imageDescriptionMatches(String descriptionRegex) { |
| 768 | this.imageDescription = descriptionRegex; |
| 769 | return this; |
| 770 | } |
| 771 | |
| 772 | /** |
| 773 | * {@inheritDoc} |
| 774 | */ |
| 775 | @Override |
| 776 | public TemplateBuilder imageMatches(Predicate<Image> condition) { |
| 777 | this.imagePredicate = condition; |
| 778 | return this; |
| 779 | } |
| 780 | |
| 781 | /** |
| 782 | * {@inheritDoc} |
| 783 | */ |
| 784 | @Override |
| 785 | public TemplateBuilder imageVersionMatches(String imageVersionRegex) { |
| 786 | this.imageVersion = imageVersionRegex; |
| 787 | return this; |
| 788 | } |
| 789 | |
| 790 | /** |
| 791 | * {@inheritDoc} |
| 792 | */ |
| 793 | @Override |
| 794 | public TemplateBuilder osVersionMatches(String osVersionRegex) { |
| 795 | this.osVersion = osVersionRegex; |
| 796 | return this; |
| 797 | } |
| 798 | |
| 799 | /** |
| 800 | * {@inheritDoc} |
| 801 | */ |
| 802 | @Override |
| 803 | public TemplateBuilder osArchMatches(String osArchitectureRegex) { |
| 804 | this.osArch = osArchitectureRegex; |
| 805 | return this; |
| 806 | } |
| 807 | |
| 808 | /** |
| 809 | * {@inheritDoc} |
| 810 | */ |
| 811 | @Override |
| 812 | public TemplateBuilder minCores(double minCores) { |
| 813 | this.minCores = minCores; |
| 814 | return this; |
| 815 | } |
| 816 | |
| 817 | /** |
| 818 | * {@inheritDoc} |
| 819 | */ |
| 820 | @Override |
| 821 | public TemplateBuilder minRam(int megabytes) { |
| 822 | this.minRam = megabytes; |
| 823 | return this; |
| 824 | } |
| 825 | |
| 826 | /** |
| 827 | * {@inheritDoc} |
| 828 | */ |
| 829 | @Override |
| 830 | public TemplateBuilder osNameMatches(String osNameRegex) { |
| 831 | this.osName = osNameRegex; |
| 832 | return this; |
| 833 | } |
| 834 | |
| 835 | /** |
| 836 | * {@inheritDoc} |
| 837 | */ |
| 838 | @Override |
| 839 | public TemplateBuilder osDescriptionMatches(String osDescriptionRegex) { |
| 840 | this.osDescription = osDescriptionRegex; |
| 841 | return this; |
| 842 | } |
| 843 | |
| 844 | /** |
| 845 | * {@inheritDoc} |
| 846 | */ |
| 847 | @Override |
| 848 | public TemplateBuilder hardwareId(String hardwareId) { |
| 849 | this.hardwareId = hardwareId; |
| 850 | return this; |
| 851 | } |
| 852 | |
| 853 | /** |
| 854 | * {@inheritDoc} |
| 855 | */ |
| 856 | @Override |
| 857 | public TemplateBuilder options(TemplateOptions options) { |
| 858 | this.options = optionsProvider.get(); |
| 859 | checkNotNull(options, "options").copyTo(this.options); |
| 860 | return this; |
| 861 | } |
| 862 | |
| 863 | @VisibleForTesting |
| 864 | boolean nothingChangedExceptOptions() { |
| 865 | return osFamily == null && location == null && imageId == null && hardwareId == null && osName == null |
| 866 | && imagePredicate == null && osDescription == null && imageVersion == null && osVersion == null |
| 867 | && osArch == null && os64Bit == null && imageName == null && imageDescription == null && minCores == 0 |
| 868 | && minRam == 0 && !biggest && !fastest; |
| 869 | } |
| 870 | |
| 871 | /** |
| 872 | * {@inheritDoc} |
| 873 | */ |
| 874 | @Override |
| 875 | public TemplateBuilder any() { |
| 876 | return defaultTemplateProvider.get(); |
| 877 | } |
| 878 | |
| 879 | @Override |
| 880 | public String toString() { |
| 881 | return "[biggest=" + biggest + ", fastest=" + fastest + ", imageName=" + imageName + ", imageDescription=" |
| 882 | + imageDescription + ", imageId=" + imageId + ", imagePredicate=" + imagePredicate + ", imageVersion=" + imageVersion + ", location=" + location |
| 883 | + ", minCores=" + minCores + ", minRam=" + minRam + ", osFamily=" + osFamily + ", osName=" + osName |
| 884 | + ", osDescription=" + osDescription + ", osVersion=" + osVersion + ", osArch=" + osArch + ", os64Bit=" |
| 885 | + os64Bit + ", hardwareId=" + hardwareId + "]"; |
| 886 | } |
| 887 | |
| 888 | @Override |
| 889 | public TemplateBuilder os64Bit(boolean is64Bit) { |
| 890 | this.os64Bit = is64Bit; |
| 891 | return this; |
| 892 | } |
| 893 | |
| 894 | } |