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BootBuildImageIntegrationTests.java
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BootBuildImageIntegrationTests.java
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/*
* Copyright 2012-2022 the original author or authors.
*
* 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
*
* https://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 org.springframework.boot.gradle.tasks.bundling;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.attribute.FileAttribute;
import java.nio.file.attribute.PosixFilePermission;
import java.nio.file.attribute.PosixFilePermissions;
import java.util.Random;
import java.util.Set;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
import org.apache.commons.compress.compressors.gzip.GzipCompressorOutputStream;
import org.apache.commons.compress.utils.IOUtils;
import org.gradle.testkit.runner.BuildResult;
import org.gradle.testkit.runner.TaskOutcome;
import org.junit.jupiter.api.TestTemplate;
import org.junit.jupiter.api.condition.DisabledOnOs;
import org.junit.jupiter.api.condition.OS;
import org.springframework.boot.buildpack.platform.docker.DockerApi;
import org.springframework.boot.buildpack.platform.docker.DockerApi.ImageApi;
import org.springframework.boot.buildpack.platform.docker.DockerApi.VolumeApi;
import org.springframework.boot.buildpack.platform.docker.type.ImageReference;
import org.springframework.boot.buildpack.platform.docker.type.VolumeName;
import org.springframework.boot.buildpack.platform.io.FilePermissions;
import org.springframework.boot.gradle.junit.GradleCompatibility;
import org.springframework.boot.testsupport.gradle.testkit.GradleBuild;
import org.springframework.boot.testsupport.testcontainers.DisabledIfDockerUnavailable;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Integration tests for {@link BootBuildImage}.
*
* @author Andy Wilkinson
* @author Scott Frederick
* @author Rafael Ceccone
*/
@GradleCompatibility(configurationCache = true)
@DisabledIfDockerUnavailable
class BootBuildImageIntegrationTests {
GradleBuild gradleBuild;
@TestTemplate
void buildsImageWithDefaultBuilder() throws IOException {
writeMainClass();
writeLongNameResource();
BuildResult result = this.gradleBuild.build("bootBuildImage", "--pullPolicy=IF_NOT_PRESENT");
String projectName = this.gradleBuild.getProjectDir().getName();
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.getOutput()).contains("docker.io/library/" + projectName);
assertThat(result.getOutput()).contains("---> Test Info buildpack building");
assertThat(result.getOutput()).contains("env: BP_JVM_VERSION=8.*");
assertThat(result.getOutput()).contains("Network status: HTTP/2 200");
assertThat(result.getOutput()).contains("---> Test Info buildpack done");
removeImages(projectName);
}
@TestTemplate
void buildsImageWithWarPackaging() throws IOException {
writeMainClass();
writeLongNameResource();
BuildResult result = this.gradleBuild.build("bootBuildImage", "-PapplyWarPlugin",
"--pullPolicy=IF_NOT_PRESENT");
String projectName = this.gradleBuild.getProjectDir().getName();
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.getOutput()).contains("docker.io/library/" + projectName);
assertThat(result.getOutput()).contains("---> Test Info buildpack building");
assertThat(result.getOutput()).contains("env: BP_JVM_VERSION=8.*");
assertThat(result.getOutput()).contains("---> Test Info buildpack done");
File buildLibs = new File(this.gradleBuild.getProjectDir(), "build/libs");
assertThat(buildLibs.listFiles())
.containsExactly(new File(buildLibs, this.gradleBuild.getProjectDir().getName() + ".war"));
removeImages(projectName);
}
@TestTemplate
void buildsImageWithWarPackagingAndJarConfiguration() throws IOException {
writeMainClass();
writeLongNameResource();
BuildResult result = this.gradleBuild.build("bootBuildImage", "--pullPolicy=IF_NOT_PRESENT");
String projectName = this.gradleBuild.getProjectDir().getName();
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.getOutput()).contains("docker.io/library/" + projectName);
assertThat(result.getOutput()).contains("---> Test Info buildpack building");
assertThat(result.getOutput()).contains("---> Test Info buildpack done");
File buildLibs = new File(this.gradleBuild.getProjectDir(), "build/libs");
assertThat(buildLibs.listFiles())
.containsExactly(new File(buildLibs, this.gradleBuild.getProjectDir().getName() + ".war"));
removeImages(projectName);
}
@TestTemplate
void buildsImageWithCustomName() throws IOException {
writeMainClass();
writeLongNameResource();
BuildResult result = this.gradleBuild.build("bootBuildImage", "--pullPolicy=IF_NOT_PRESENT");
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.getOutput()).contains("example/test-image-name");
assertThat(result.getOutput()).contains("---> Test Info buildpack building");
assertThat(result.getOutput()).contains("---> Test Info buildpack done");
removeImages("example/test-image-name");
}
@TestTemplate
void buildsImageWithCustomBuilderAndRunImage() throws IOException {
writeMainClass();
writeLongNameResource();
BuildResult result = this.gradleBuild.build("bootBuildImage", "--pullPolicy=IF_NOT_PRESENT");
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.getOutput()).contains("example/test-image-custom");
assertThat(result.getOutput()).contains("---> Test Info buildpack building");
assertThat(result.getOutput()).contains("---> Test Info buildpack done");
removeImages("example/test-image-custom");
}
@TestTemplate
void buildsImageWithCommandLineOptions() throws IOException {
writeMainClass();
writeLongNameResource();
BuildResult result = this.gradleBuild.build("bootBuildImage", "--pullPolicy=IF_NOT_PRESENT",
"--imageName=example/test-image-cmd",
"--builder=projects.registry.vmware.com/springboot/spring-boot-cnb-builder:0.0.1",
"--runImage=projects.registry.vmware.com/springboot/run:tiny-cnb");
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.getOutput()).contains("example/test-image-cmd");
assertThat(result.getOutput()).contains("---> Test Info buildpack building");
assertThat(result.getOutput()).contains("---> Test Info buildpack done");
removeImages("example/test-image-cmd");
}
@TestTemplate
void buildsImageWithPullPolicy() throws IOException {
writeMainClass();
writeLongNameResource();
String projectName = this.gradleBuild.getProjectDir().getName();
BuildResult result = this.gradleBuild.build("bootBuildImage", "--pullPolicy=ALWAYS");
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.getOutput()).contains("Pulled builder image").contains("Pulled run image");
result = this.gradleBuild.build("bootBuildImage", "--pullPolicy=IF_NOT_PRESENT");
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.getOutput()).doesNotContain("Pulled builder image").doesNotContain("Pulled run image");
removeImages(projectName);
}
@TestTemplate
void buildsImageWithBuildpackFromBuilder() throws IOException {
writeMainClass();
writeLongNameResource();
BuildResult result = this.gradleBuild.build("bootBuildImage", "--pullPolicy=IF_NOT_PRESENT");
String projectName = this.gradleBuild.getProjectDir().getName();
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.getOutput()).contains("docker.io/library/" + projectName);
assertThat(result.getOutput()).contains("---> Test Info buildpack building")
.contains("---> Test Info buildpack done");
removeImages(projectName);
}
@TestTemplate
@DisabledOnOs(OS.WINDOWS)
void buildsImageWithBuildpackFromDirectory() throws IOException {
writeMainClass();
writeLongNameResource();
writeBuildpackContent();
BuildResult result = this.gradleBuild.build("bootBuildImage", "--pullPolicy=IF_NOT_PRESENT");
String projectName = this.gradleBuild.getProjectDir().getName();
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.getOutput()).contains("docker.io/library/" + projectName);
assertThat(result.getOutput()).contains("---> Hello World buildpack");
removeImages(projectName);
}
@TestTemplate
@DisabledOnOs(OS.WINDOWS)
void buildsImageWithBuildpackFromTarGzip() throws IOException {
writeMainClass();
writeLongNameResource();
writeBuildpackContent();
tarGzipBuildpackContent();
BuildResult result = this.gradleBuild.build("bootBuildImage", "--pullPolicy=IF_NOT_PRESENT");
String projectName = this.gradleBuild.getProjectDir().getName();
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.getOutput()).contains("docker.io/library/" + projectName);
assertThat(result.getOutput()).contains("---> Hello World buildpack");
removeImages(projectName);
}
@TestTemplate
void buildsImageWithBuildpacksFromImages() throws IOException {
writeMainClass();
writeLongNameResource();
BuildResult result = this.gradleBuild.build("bootBuildImage", "--pullPolicy=IF_NOT_PRESENT");
String projectName = this.gradleBuild.getProjectDir().getName();
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.getOutput()).contains("docker.io/library/" + projectName);
assertThat(result.getOutput()).contains("---> Test Info buildpack building")
.contains("---> Test Info buildpack done");
removeImages(projectName);
}
@TestTemplate
void buildsImageWithBinding() throws IOException {
writeMainClass();
writeLongNameResource();
writeCertificateBindingFiles();
BuildResult result = this.gradleBuild.build("bootBuildImage", "--pullPolicy=IF_NOT_PRESENT");
String projectName = this.gradleBuild.getProjectDir().getName();
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.getOutput()).contains("docker.io/library/" + projectName);
assertThat(result.getOutput()).contains("---> Test Info buildpack building");
assertThat(result.getOutput()).contains("binding: certificates/type=ca-certificates");
assertThat(result.getOutput()).contains("binding: certificates/test1.crt=---certificate one---");
assertThat(result.getOutput()).contains("binding: certificates/test2.crt=---certificate two---");
assertThat(result.getOutput()).contains("---> Test Info buildpack done");
removeImages(projectName);
}
@TestTemplate
void buildsImageWithTag() throws IOException {
writeMainClass();
writeLongNameResource();
BuildResult result = this.gradleBuild.build("bootBuildImage", "--pullPolicy=IF_NOT_PRESENT");
String projectName = this.gradleBuild.getProjectDir().getName();
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.getOutput()).contains("docker.io/library/" + projectName);
assertThat(result.getOutput()).contains("---> Test Info buildpack building");
assertThat(result.getOutput()).contains("---> Test Info buildpack done");
assertThat(result.getOutput()).contains("example.com/myapp:latest");
removeImages(projectName, "example.com/myapp:latest");
}
@TestTemplate
void buildsImageWithLaunchScript() throws IOException {
writeMainClass();
writeLongNameResource();
BuildResult result = this.gradleBuild.build("bootBuildImage", "--pullPolicy=IF_NOT_PRESENT");
String projectName = this.gradleBuild.getProjectDir().getName();
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.getOutput()).contains("docker.io/library/" + projectName);
assertThat(result.getOutput()).contains("---> Test Info buildpack building");
assertThat(result.getOutput()).contains("---> Test Info buildpack done");
removeImages(projectName);
}
@TestTemplate
void buildsImageWithNetworkModeNone() throws IOException {
writeMainClass();
writeLongNameResource();
BuildResult result = this.gradleBuild.build("bootBuildImage", "--pullPolicy=IF_NOT_PRESENT");
String projectName = this.gradleBuild.getProjectDir().getName();
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.getOutput()).contains("docker.io/library/" + projectName);
assertThat(result.getOutput()).contains("---> Test Info buildpack building");
assertThat(result.getOutput()).contains("Network status: curl failed");
assertThat(result.getOutput()).contains("---> Test Info buildpack done");
removeImages(projectName);
}
@TestTemplate
void buildsImageWithVolumeCaches() throws IOException {
writeMainClass();
writeLongNameResource();
BuildResult result = this.gradleBuild.build("bootBuildImage", "--pullPolicy=IF_NOT_PRESENT");
String projectName = this.gradleBuild.getProjectDir().getName();
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.getOutput()).contains("docker.io/library/" + projectName);
assertThat(result.getOutput()).contains("---> Test Info buildpack building");
assertThat(result.getOutput()).contains("---> Test Info buildpack done");
removeImages(projectName);
deleteVolumes("cache-" + projectName + ".build", "cache-" + projectName + ".launch");
}
@TestTemplate
void failsWithBuilderError() throws IOException {
writeMainClass();
writeLongNameResource();
BuildResult result = this.gradleBuild.buildAndFail("bootBuildImage", "--pullPolicy=IF_NOT_PRESENT");
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.FAILED);
assertThat(result.getOutput()).contains("Forced builder failure");
assertThat(result.getOutput()).containsPattern("Builder lifecycle '.*' failed with status code");
}
@TestTemplate
void failsWithInvalidImageName() throws IOException {
writeMainClass();
writeLongNameResource();
BuildResult result = this.gradleBuild.buildAndFail("bootBuildImage", "--imageName=example/Invalid-Image-Name");
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.FAILED);
assertThat(result.getOutput()).containsPattern("Unable to parse image reference")
.containsPattern("example/Invalid-Image-Name");
}
@TestTemplate
void failsWithBuildpackNotInBuilder() throws IOException {
writeMainClass();
writeLongNameResource();
BuildResult result = this.gradleBuild.buildAndFail("bootBuildImage", "--pullPolicy=IF_NOT_PRESENT");
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.FAILED);
assertThat(result.getOutput()).contains("'urn:cnb:builder:example/does-not-exist:0.0.1' not found in builder");
}
@TestTemplate
void failsWithInvalidTag() throws IOException {
writeMainClass();
writeLongNameResource();
BuildResult result = this.gradleBuild.buildAndFail("bootBuildImage", "--pullPolicy=IF_NOT_PRESENT");
assertThat(result.task(":bootBuildImage").getOutcome()).isEqualTo(TaskOutcome.FAILED);
assertThat(result.getOutput()).containsPattern("Unable to parse image reference")
.containsPattern("example/Invalid-Tag-Name");
}
@TestTemplate
void failsWhenCachesAreConfiguredTwice() throws IOException {
writeMainClass();
writeLongNameResource();
BuildResult result = this.gradleBuild.buildAndFail("bootBuildImage");
assertThat(result.getOutput()).containsPattern("Each image building cache can be configured only once");
}
private void writeMainClass() throws IOException {
File examplePackage = new File(this.gradleBuild.getProjectDir(), "src/main/java/example");
examplePackage.mkdirs();
File main = new File(examplePackage, "Main.java");
try (PrintWriter writer = new PrintWriter(new FileWriter(main))) {
writer.println("package example;");
writer.println();
writer.println("import java.io.IOException;");
writer.println();
writer.println("public class Main {");
writer.println();
writer.println(" public static void main(String[] args) throws Exception {");
writer.println(" System.out.println(\"Launched\");");
writer.println(" synchronized(args) {");
writer.println(" args.wait(); // Prevent exit");
writer.println(" }");
writer.println(" }");
writer.println();
writer.println("}");
}
}
private void writeLongNameResource() throws IOException {
StringBuilder name = new StringBuilder();
new Random().ints('a', 'z' + 1).limit(128).forEach((i) -> name.append((char) i));
Path path = this.gradleBuild.getProjectDir().toPath()
.resolve(Paths.get("src", "main", "resources", name.toString()));
Files.createDirectories(path.getParent());
Files.createFile(path);
}
private void writeBuildpackContent() throws IOException {
FileAttribute<Set<PosixFilePermission>> dirAttribute = PosixFilePermissions
.asFileAttribute(PosixFilePermissions.fromString("rwxr-xr-x"));
FileAttribute<Set<PosixFilePermission>> execFileAttribute = PosixFilePermissions
.asFileAttribute(PosixFilePermissions.fromString("rwxrwxrwx"));
File buildpackDir = new File(this.gradleBuild.getProjectDir(), "buildpack/hello-world");
Files.createDirectories(buildpackDir.toPath(), dirAttribute);
File binDir = new File(buildpackDir, "bin");
Files.createDirectories(binDir.toPath(), dirAttribute);
File descriptor = new File(buildpackDir, "buildpack.toml");
try (PrintWriter writer = new PrintWriter(new FileWriter(descriptor))) {
writer.println("api = \"0.2\"");
writer.println("[buildpack]");
writer.println("id = \"example/hello-world\"");
writer.println("version = \"0.0.1\"");
writer.println("name = \"Hello World Buildpack\"");
writer.println("homepage = \"https://github.com/buildpacks/samples/tree/main/buildpacks/hello-world\"");
writer.println("[[stacks]]\n");
writer.println("id = \"io.buildpacks.stacks.bionic\"");
}
File detect = Files.createFile(Paths.get(binDir.getAbsolutePath(), "detect"), execFileAttribute).toFile();
try (PrintWriter writer = new PrintWriter(new FileWriter(detect))) {
writer.println("#!/usr/bin/env bash");
writer.println("set -eo pipefail");
writer.println("exit 0");
}
File build = Files.createFile(Paths.get(binDir.getAbsolutePath(), "build"), execFileAttribute).toFile();
try (PrintWriter writer = new PrintWriter(new FileWriter(build))) {
writer.println("#!/usr/bin/env bash");
writer.println("set -eo pipefail");
writer.println("echo \"---> Hello World buildpack\"");
writer.println("echo \"---> done\"");
writer.println("exit 0");
}
}
private void tarGzipBuildpackContent() throws IOException {
Path tarGzipPath = Paths.get(this.gradleBuild.getProjectDir().getAbsolutePath(), "hello-world.tgz");
try (TarArchiveOutputStream tar = new TarArchiveOutputStream(
new GzipCompressorOutputStream(Files.newOutputStream(Files.createFile(tarGzipPath))))) {
File buildpackDir = new File(this.gradleBuild.getProjectDir(), "buildpack/hello-world");
writeDirectoryToTar(tar, buildpackDir, buildpackDir.getAbsolutePath());
}
}
private void writeDirectoryToTar(TarArchiveOutputStream tar, File dir, String baseDirPath) throws IOException {
for (File file : dir.listFiles()) {
String name = file.getAbsolutePath().replace(baseDirPath, "");
int mode = FilePermissions.umaskForPath(file.toPath());
if (file.isDirectory()) {
writeTarEntry(tar, name + "/", mode);
writeDirectoryToTar(tar, file, baseDirPath);
}
else {
writeTarEntry(tar, file, name, mode);
}
}
}
private void writeTarEntry(TarArchiveOutputStream tar, String name, int mode) throws IOException {
TarArchiveEntry entry = new TarArchiveEntry(name);
entry.setMode(mode);
tar.putArchiveEntry(entry);
tar.closeArchiveEntry();
}
private void writeTarEntry(TarArchiveOutputStream tar, File file, String name, int mode) throws IOException {
TarArchiveEntry entry = new TarArchiveEntry(file, name);
entry.setMode(mode);
tar.putArchiveEntry(entry);
IOUtils.copy(Files.newInputStream(file.toPath()), tar);
tar.closeArchiveEntry();
}
private void writeCertificateBindingFiles() throws IOException {
File bindingDir = new File(this.gradleBuild.getProjectDir(), "bindings/ca-certificates");
bindingDir.mkdirs();
File type = new File(bindingDir, "type");
try (PrintWriter writer = new PrintWriter(new FileWriter(type))) {
writer.print("ca-certificates");
}
File cert1 = new File(bindingDir, "test1.crt");
try (PrintWriter writer = new PrintWriter(new FileWriter(cert1))) {
writer.println("---certificate one---");
}
File cert2 = new File(bindingDir, "test2.crt");
try (PrintWriter writer = new PrintWriter(new FileWriter(cert2))) {
writer.println("---certificate two---");
}
}
private void removeImages(String... names) throws IOException {
ImageApi imageApi = new DockerApi().image();
for (String name : names) {
imageApi.remove(ImageReference.of(name), false);
}
}
private void deleteVolumes(String... names) throws IOException {
VolumeApi volumeApi = new DockerApi().volume();
for (String name : names) {
volumeApi.delete(VolumeName.of(name), false);
}
}
}