Add file size to dependency filenames to avoid filename collisions

jib-gradle-plugin/CHANGELOG.md

@@ -13,6 +13,8 @@ All notable changes to this project will be documented in this file.
 
 ### Fixed
 
+- Builds failing due to dependency JARs with the same name ([#810](https://github.com/GoogleContainerTools/jib/issues/810))
+
 ## 0.10.1
 
 ### Added

jib-gradle-plugin/src/main/java/com/google/cloud/tools/jib/gradle/GradleLayerConfigurations.java

@@ -27,7 +27,10 @@
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.util.List;
 import java.util.Map;
+import java.util.Map.Entry;
+import java.util.stream.Collectors;
 import org.gradle.api.Project;
 import org.gradle.api.file.FileCollection;
 import org.gradle.api.logging.Logger;
@@ -130,14 +133,31 @@ private static JavaLayerConfigurations getForNonWarProject(
     }
 
     // Adds dependency files.
+    List<String> duplicates =
+        dependencyFiles
+            .getFiles()
+            .stream()
+            .map(File::getName)
+            .collect(Collectors.groupingBy(filename -> filename, Collectors.counting()))
+            .entrySet()
+            .stream()
+            .filter(entry -> entry.getValue() > 1)
+            .map(Entry::getKey)
+            .collect(Collectors.toList());
     for (File dependencyFile : dependencyFiles) {
       if (dependencyFile.exists()) {
         boolean isSnapshot = dependencyFile.getName().contains("SNAPSHOT");
         LayerType layerType = isSnapshot ? LayerType.SNAPSHOT_DEPENDENCIES : LayerType.DEPENDENCIES;
         layerBuilder.addFile(
             layerType,
             dependencyFile.toPath(),
-            dependenciesExtractionPath.resolve(dependencyFile.getName()));
+            dependenciesExtractionPath.resolve(
+                duplicates.contains(dependencyFile.getName())
+                    ? dependencyFile
+                            .getName()
+                            .replaceFirst("\\.jar$", "-" + Files.size(dependencyFile.toPath()))
+                        + ".jar"
+                    : dependencyFile.getName()));
       } else {
         logger.info("\t'" + dependencyFile + "' (not found, skipped)");
       }

jib-gradle-plugin/src/test/java/com/google/cloud/tools/jib/gradle/GradleLayerConfigurationsTest.java

@@ -124,10 +124,19 @@ public void setUp() throws URISyntaxException, IOException {
 
     Set<Path> allFiles = new HashSet<>(classesFiles);
     allFiles.add(resourcesOutputDir);
+    allFiles.add(
+        Paths.get(Resources.getResource("application/dependencies/library.jarC.jar").toURI()));
     allFiles.add(Paths.get(Resources.getResource("application/dependencies/libraryB.jar").toURI()));
     allFiles.add(Paths.get(Resources.getResource("application/dependencies/libraryA.jar").toURI()));
     allFiles.add(
         Paths.get(Resources.getResource("application/dependencies/dependency-1.0.0.jar").toURI()));
+    allFiles.add(
+        Paths.get(
+            Resources.getResource("application/dependencies/more/dependency-1.0.0.jar").toURI()));
+    allFiles.add(
+        Paths.get(
+            Resources.getResource("application/dependencies/another/one/dependency-1.0.0.jar")
+                .toURI()));
     allFiles.add(
         Paths.get(
             Resources.getResource("application/dependencies/dependencyX-1.0.0-SNAPSHOT.jar")
@@ -158,8 +167,11 @@ public void test_correctFiles() throws URISyntaxException, IOException {
     ImmutableList<Path> expectedDependenciesFiles =
         ImmutableList.of(
             applicationDirectory.resolve("dependencies/dependency-1.0.0.jar"),
+            applicationDirectory.resolve("dependencies/more/dependency-1.0.0.jar"),
+            applicationDirectory.resolve("dependencies/another/one/dependency-1.0.0.jar"),
             applicationDirectory.resolve("dependencies/libraryA.jar"),
-            applicationDirectory.resolve("dependencies/libraryB.jar"));
+            applicationDirectory.resolve("dependencies/libraryB.jar"),
+            applicationDirectory.resolve("dependencies/library.jarC.jar"));
     ImmutableList<Path> expectedSnapshotDependenciesFiles =
         ImmutableList.of(
             applicationDirectory.resolve("dependencies/dependencyX-1.0.0-SNAPSHOT.jar"));
@@ -262,12 +274,15 @@ public void testGetForProject_nonDefaultAppRoot() throws IOException {
 
     assertExtractionPathsUnordered(
         Arrays.asList(
-            "/my/app/libs/dependency-1.0.0.jar",
+            "/my/app/libs/dependency-1.0.0-770.jar",
+            "/my/app/libs/dependency-1.0.0-200.jar",
+            "/my/app/libs/dependency-1.0.0-480.jar",
             "/my/app/libs/libraryA.jar",
-            "/my/app/libs/libraryB.jar"),
+            "/my/app/libs/libraryB.jar",
+            "/my/app/libs/library.jarC.jar"),
         configuration.getDependencyLayerEntries());
     assertExtractionPathsUnordered(
-        Arrays.asList("/my/app/libs/dependencyX-1.0.0-SNAPSHOT.jar"),
+        Collections.singletonList("/my/app/libs/dependencyX-1.0.0-SNAPSHOT.jar"),
         configuration.getSnapshotDependencyLayerEntries());
     assertExtractionPathsUnordered(
         Arrays.asList(
@@ -295,10 +310,15 @@ public void testGetForProject_defaultAppRoot() throws IOException {
 
     assertExtractionPathsUnordered(
         Arrays.asList(
-            "/app/libs/dependency-1.0.0.jar", "/app/libs/libraryA.jar", "/app/libs/libraryB.jar"),
+            "/app/libs/dependency-1.0.0-770.jar",
+            "/app/libs/dependency-1.0.0-200.jar",
+            "/app/libs/dependency-1.0.0-480.jar",
+            "/app/libs/libraryA.jar",
+            "/app/libs/libraryB.jar",
+            "/app/libs/library.jarC.jar"),
         configuration.getDependencyLayerEntries());
     assertExtractionPathsUnordered(
-        Arrays.asList("/app/libs/dependencyX-1.0.0-SNAPSHOT.jar"),
+        Collections.singletonList("/app/libs/dependencyX-1.0.0-SNAPSHOT.jar"),
         configuration.getSnapshotDependencyLayerEntries());
     assertExtractionPathsUnordered(
         Arrays.asList(
@@ -366,10 +386,10 @@ public void testWebApp() throws URISyntaxException, IOException {
     assertSourcePathsUnordered(expectedExtraFiles, configuration.getExtraFilesLayerEntries());
 
     assertExtractionPathsUnordered(
-        Arrays.asList("/my/app/WEB-INF/lib/dependency-1.0.0.jar"),
+        Collections.singletonList("/my/app/WEB-INF/lib/dependency-1.0.0.jar"),
         configuration.getDependencyLayerEntries());
     assertExtractionPathsUnordered(
-        Arrays.asList("/my/app/WEB-INF/lib/dependencyX-1.0.0-SNAPSHOT.jar"),
+        Collections.singletonList("/my/app/WEB-INF/lib/dependencyX-1.0.0-SNAPSHOT.jar"),
         configuration.getSnapshotDependencyLayerEntries());
     assertExtractionPathsUnordered(
         Arrays.asList(
@@ -409,10 +429,10 @@ public void testWebApp_defaultWebAppRoot() throws URISyntaxException, IOExceptio
             AbsoluteUnixPath.get(JavaLayerConfigurations.DEFAULT_WEB_APP_ROOT));
 
     assertExtractionPathsUnordered(
-        Arrays.asList("/jetty/webapps/ROOT/WEB-INF/lib/dependency-1.0.0.jar"),
+        Collections.singletonList("/jetty/webapps/ROOT/WEB-INF/lib/dependency-1.0.0.jar"),
         configuration.getDependencyLayerEntries());
     assertExtractionPathsUnordered(
-        Arrays.asList("/jetty/webapps/ROOT/WEB-INF/lib/dependencyX-1.0.0-SNAPSHOT.jar"),
+        Collections.singletonList("/jetty/webapps/ROOT/WEB-INF/lib/dependencyX-1.0.0-SNAPSHOT.jar"),
         configuration.getSnapshotDependencyLayerEntries());
     assertExtractionPathsUnordered(
         Arrays.asList(

jib-gradle-plugin/src/test/resources/application/dependencies/more/dependency-1.0.0.jar

@@ -0,0 +1,2 @@
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jib-maven-plugin/CHANGELOG.md

@@ -15,6 +15,8 @@ All notable changes to this project will be documented in this file.
 
 ### Fixed
 
+- Builds failing due to dependency JARs with the same name ([#810](https://github.com/GoogleContainerTools/jib/issues/810))
+
 ## 0.10.1
 
 ### Added

jib-maven-plugin/src/main/java/com/google/cloud/tools/jib/maven/MavenLayerConfigurations.java

@@ -23,12 +23,16 @@
 import com.google.cloud.tools.jib.frontend.JavaLayerConfigurations.Builder;
 import com.google.cloud.tools.jib.frontend.JavaLayerConfigurations.LayerType;
 import com.google.cloud.tools.jib.plugins.common.JavaLayerConfigurationsHelper;
+import java.io.File;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.util.List;
 import java.util.Map;
+import java.util.Map.Entry;
 import java.util.function.Predicate;
+import java.util.stream.Collectors;
 import org.apache.maven.artifact.Artifact;
 import org.apache.maven.project.MavenProject;
 
@@ -87,12 +91,30 @@ private static JavaLayerConfigurations getForNonWarProject(
     Builder layerBuilder = JavaLayerConfigurations.builder();
 
     // Gets all the dependencies.
+    List<String> duplicates =
+        project
+            .getArtifacts()
+            .stream()
+            .map(Artifact::getFile)
+            .map(File::getName)
+            .collect(Collectors.groupingBy(filename -> filename, Collectors.counting()))
+            .entrySet()
+            .stream()
+            .filter(entry -> entry.getValue() > 1)
+            .map(Entry::getKey)
+            .collect(Collectors.toList());
     for (Artifact artifact : project.getArtifacts()) {
       Path artifactPath = artifact.getFile().toPath();
       LayerType layerType =
           artifact.isSnapshot() ? LayerType.SNAPSHOT_DEPENDENCIES : LayerType.DEPENDENCIES;
+      String filename = artifactPath.getFileName().toString();
       layerBuilder.addFile(
-          layerType, artifactPath, dependenciesExtractionPath.resolve(artifactPath.getFileName()));
+          layerType,
+          artifactPath,
+          dependenciesExtractionPath.resolve(
+              duplicates.contains(filename)
+                  ? filename.replaceFirst("\\.jar$", "-" + Files.size(artifactPath)) + ".jar"
+                  : filename));
     }
 
     Path classesOutputDirectory = Paths.get(project.getBuild().getOutputDirectory());

jib-maven-plugin/src/test/java/com/google/cloud/tools/jib/maven/MavenLayerConfigurationsTest.java

@@ -71,12 +71,15 @@ private static void assertExtractionPathsUnordered(
   private static void assertNonDefaultAppRoot(JavaLayerConfigurations configuration) {
     assertExtractionPathsUnordered(
         Arrays.asList(
-            "/my/app/libs/dependency-1.0.0.jar",
+            "/my/app/libs/dependency-1.0.0-770.jar",
+            "/my/app/libs/dependency-1.0.0-200.jar",
+            "/my/app/libs/dependency-1.0.0-480.jar",
             "/my/app/libs/libraryA.jar",
-            "/my/app/libs/libraryB.jar"),
+            "/my/app/libs/libraryB.jar",
+            "/my/app/libs/library.jarC.jar"),
         configuration.getDependencyLayerEntries());
     assertExtractionPathsUnordered(
-        Arrays.asList("/my/app/libs/dependencyX-1.0.0-SNAPSHOT.jar"),
+        Collections.singletonList("/my/app/libs/dependencyX-1.0.0-SNAPSHOT.jar"),
         configuration.getSnapshotDependencyLayerEntries());
     assertExtractionPathsUnordered(
         Arrays.asList(
@@ -111,14 +114,19 @@ private static void assertNonDefaultAppRoot(JavaLayerConfigurations configuratio
   @Before
   public void setUp() throws URISyntaxException, IOException {
     Path outputPath = Paths.get(Resources.getResource("application/output").toURI());
+    Path dependenciesPath = Paths.get(Resources.getResource("application/dependencies").toURI());
 
     Mockito.when(mockMavenProject.getBuild()).thenReturn(mockBuild);
     Mockito.when(mockBuild.getOutputDirectory()).thenReturn(outputPath.toString());
 
     Set<Artifact> artifacts =
         ImmutableSet.of(
-            makeArtifact(Paths.get("application", "dependencies", "libraryB.jar")),
-            makeArtifact(Paths.get("application", "dependencies", "libraryA.jar")),
+            makeArtifact(dependenciesPath.resolve("library.jarC.jar")),
+            makeArtifact(dependenciesPath.resolve("libraryB.jar")),
+            makeArtifact(dependenciesPath.resolve("libraryA.jar")),
+            makeArtifact(dependenciesPath.resolve("more").resolve("dependency-1.0.0.jar")),
+            makeArtifact(
+                dependenciesPath.resolve("another").resolve("one").resolve("dependency-1.0.0.jar")),
             // Maven reads and populates "Artifacts" with its own processing, so read some from a
             // repository
             testRepository.findArtifact("com.test", "dependency", "1.0.0"),
@@ -135,11 +143,15 @@ public void setUp() throws URISyntaxException, IOException {
 
   @Test
   public void test_correctFiles() throws URISyntaxException, IOException {
+    Path dependenciesPath = Paths.get(Resources.getResource("application/dependencies").toURI());
     ImmutableList<Path> expectedDependenciesFiles =
         ImmutableList.of(
             testRepository.artifactPathOnDisk("com.test", "dependency", "1.0.0"),
-            Paths.get("application", "dependencies", "libraryA.jar"),
-            Paths.get("application", "dependencies", "libraryB.jar"));
+            dependenciesPath.resolve("more").resolve("dependency-1.0.0.jar"),
+            dependenciesPath.resolve("another").resolve("one").resolve("dependency-1.0.0.jar"),
+            dependenciesPath.resolve("libraryA.jar"),
+            dependenciesPath.resolve("libraryB.jar"),
+            dependenciesPath.resolve("library.jarC.jar"));
     ImmutableList<Path> expectedSnapshotDependenciesFiles =
         ImmutableList.of(
             testRepository.artifactPathOnDisk("com.test", "dependencyX", "1.0.0-SNAPSHOT"));
@@ -266,10 +278,10 @@ public void testGetForWarProject_nonDefaultAppRoot() throws URISyntaxException,
     assertSourcePathsUnordered(expectedExtraFiles, configuration.getExtraFilesLayerEntries());
 
     assertExtractionPathsUnordered(
-        Arrays.asList("/my/app/WEB-INF/lib/dependency-1.0.0.jar"),
+        Collections.singletonList("/my/app/WEB-INF/lib/dependency-1.0.0.jar"),
         configuration.getDependencyLayerEntries());
     assertExtractionPathsUnordered(
-        Arrays.asList("/my/app/WEB-INF/lib/dependencyX-1.0.0-SNAPSHOT.jar"),
+        Collections.singletonList("/my/app/WEB-INF/lib/dependencyX-1.0.0-SNAPSHOT.jar"),
         configuration.getSnapshotDependencyLayerEntries());
     assertExtractionPathsUnordered(
         Arrays.asList(
@@ -349,28 +361,28 @@ public void testGetForWarProject_noErrorIfWebInfClassesDoesNotExist() throws IOE
   }
 
   @Test
-  public void testIsWarProject_WarPackagingIsWar() throws IOException {
+  public void testIsWarProject_WarPackagingIsWar() {
     Mockito.when(mockMavenProject.getPackaging()).thenReturn("war");
 
     Assert.assertTrue(MojoCommon.isWarProject(mockMavenProject));
   }
 
   @Test
-  public void testIsWarProject_GwtAppPackagingIsWar() throws IOException {
+  public void testIsWarProject_GwtAppPackagingIsWar() {
     Mockito.when(mockMavenProject.getPackaging()).thenReturn("gwt-app");
 
     Assert.assertTrue(MojoCommon.isWarProject(mockMavenProject));
   }
 
   @Test
-  public void testIsWarProject_JarPackagingIsNotWar() throws IOException {
+  public void testIsWarProject_JarPackagingIsNotWar() {
     Mockito.when(mockMavenProject.getPackaging()).thenReturn("jar");
 
     Assert.assertFalse(MojoCommon.isWarProject(mockMavenProject));
   }
 
   @Test
-  public void testIsWarProject_GwtLibPackagingIsNotWar() throws IOException {
+  public void testIsWarProject_GwtLibPackagingIsNotWar() {
     Mockito.when(mockMavenProject.getPackaging()).thenReturn("gwt-lib");
 
     Assert.assertFalse(MojoCommon.isWarProject(mockMavenProject));

jib-maven-plugin/src/test/resources/application/dependencies/more/dependency-1.0.0.jar

@@ -0,0 +1,2 @@
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