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Allow copy specific files to docker compose (#8848)
This commit adds support for a `withCopyFilesInContainer` method on `ComposeContainer` and `DockerComposeContainer`. It allows to specify what files or directories should be copied, instead of just copying all files. If not used, the current behavior is preserved. Fixes #8847 --------- Co-authored-by: Eddú Meléndez <eddu.melendez@gmail.com>
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87 changes: 87 additions & 0 deletions
87
core/src/test/java/org/testcontainers/junit/ComposeContainerWithCopyFilesTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| package org.testcontainers.junit; | ||
|
|
||
| import io.restassured.RestAssured; | ||
| import org.junit.Test; | ||
| import org.testcontainers.containers.ComposeContainer; | ||
| import org.testcontainers.containers.ContainerLaunchException; | ||
|
|
||
| import java.io.File; | ||
| import java.io.IOException; | ||
|
|
||
| import static org.assertj.core.api.Assertions.assertThat; | ||
| import static org.assertj.core.api.Assertions.assertThatExceptionOfType; | ||
|
|
||
| public class ComposeContainerWithCopyFilesTest { | ||
|
|
||
| @Test | ||
| public void testShouldCopyAllFilesByDefault() throws IOException { | ||
| try ( | ||
| ComposeContainer environment = new ComposeContainer( | ||
| new File("src/test/resources/compose-file-copy-inclusions/compose.yml") | ||
| ) | ||
| .withExposedService("app", 8080) | ||
| ) { | ||
| environment.start(); | ||
|
|
||
| String response = readStringFromURL(environment); | ||
| assertThat(response).isEqualTo("MY_ENV_VARIABLE: override"); | ||
| } | ||
| } | ||
|
|
||
| @Test | ||
| public void testWithFileCopyInclusionUsingFilePath() throws IOException { | ||
| try ( | ||
| ComposeContainer environment = new ComposeContainer( | ||
| new File("src/test/resources/compose-file-copy-inclusions/compose-root-only.yml") | ||
| ) | ||
| .withExposedService("app", 8080) | ||
| .withCopyFilesInContainer("Dockerfile", "EnvVariableRestEndpoint.java", ".env") | ||
| ) { | ||
| environment.start(); | ||
|
|
||
| String response = readStringFromURL(environment); | ||
|
|
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| // The `test/.env` file is not copied, now so we get the original value | ||
| assertThat(response).isEqualTo("MY_ENV_VARIABLE: original"); | ||
| } | ||
| } | ||
|
|
||
| @Test | ||
| public void testWithFileCopyInclusionUsingDirectoryPath() throws IOException { | ||
| try ( | ||
| ComposeContainer environment = new ComposeContainer( | ||
| new File("src/test/resources/compose-file-copy-inclusions/compose-test-only.yml") | ||
| ) | ||
| .withExposedService("app", 8080) | ||
| .withCopyFilesInContainer("Dockerfile", "EnvVariableRestEndpoint.java", "test") | ||
| ) { | ||
| environment.start(); | ||
|
|
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| String response = readStringFromURL(environment); | ||
| // The test directory (with its contents) is copied, so we get the override | ||
| assertThat(response).isEqualTo("MY_ENV_VARIABLE: override"); | ||
| } | ||
| } | ||
|
|
||
| @Test | ||
| public void testShouldNotBeAbleToStartIfNeededEnvFileIsNotCopied() { | ||
| try ( | ||
| ComposeContainer environment = new ComposeContainer( | ||
| new File("src/test/resources/compose-file-copy-inclusions/compose-test-only.yml") | ||
| ) | ||
| .withExposedService("app", 8080) | ||
| .withCopyFilesInContainer("Dockerfile", "EnvVariableRestEndpoint.java") | ||
| ) { | ||
| assertThatExceptionOfType(ContainerLaunchException.class) | ||
| .isThrownBy(environment::start) | ||
| .withMessageContaining("Container startup failed for image docker"); | ||
| } | ||
| } | ||
|
|
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| private static String readStringFromURL(ComposeContainer container) throws IOException { | ||
| Integer servicePort = container.getServicePort("app-1", 8080); | ||
| String serviceHost = container.getServiceHost("app-1", 8080); | ||
| String requestURL = "http://" + serviceHost + ":" + servicePort + "/env"; | ||
| return RestAssured.get(requestURL).thenReturn().body().asString(); | ||
| } | ||
| } |
70 changes: 70 additions & 0 deletions
70
core/src/test/java/org/testcontainers/junit/DockerComposeContainerWithCopyFilesTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| package org.testcontainers.junit; | ||
|
|
||
| import io.restassured.RestAssured; | ||
| import org.junit.Test; | ||
| import org.testcontainers.containers.DockerComposeContainer; | ||
|
|
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| import java.io.File; | ||
| import java.io.IOException; | ||
|
|
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| import static org.assertj.core.api.Assertions.assertThat; | ||
|
|
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| public class DockerComposeContainerWithCopyFilesTest { | ||
|
|
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| @Test | ||
| public void testShouldCopyAllFilesByDefault() throws IOException { | ||
| try ( | ||
| DockerComposeContainer environment = new DockerComposeContainer( | ||
| new File("src/test/resources/compose-file-copy-inclusions/compose.yml") | ||
| ) | ||
| .withExposedService("app", 8080) | ||
| ) { | ||
| environment.start(); | ||
|
|
||
| String response = readStringFromURL(environment); | ||
| assertThat(response).isEqualTo("MY_ENV_VARIABLE: override"); | ||
| } | ||
| } | ||
|
|
||
| @Test | ||
| public void testWithFileCopyInclusionUsingFilePath() throws IOException { | ||
| try ( | ||
| DockerComposeContainer environment = new DockerComposeContainer( | ||
| new File("src/test/resources/compose-file-copy-inclusions/compose-root-only.yml") | ||
| ) | ||
| .withExposedService("app", 8080) | ||
| .withCopyFilesInContainer("Dockerfile", "EnvVariableRestEndpoint.java", ".env") | ||
| ) { | ||
| environment.start(); | ||
|
|
||
| String response = readStringFromURL(environment); | ||
|
|
||
| // The `test/.env` file is not copied, now so we get the original value | ||
| assertThat(response).isEqualTo("MY_ENV_VARIABLE: original"); | ||
| } | ||
| } | ||
|
|
||
| @Test | ||
| public void testWithFileCopyInclusionUsingDirectoryPath() throws IOException { | ||
| try ( | ||
| DockerComposeContainer environment = new DockerComposeContainer( | ||
| new File("src/test/resources/compose-file-copy-inclusions/compose-test-only.yml") | ||
| ) | ||
| .withExposedService("app", 8080) | ||
| .withCopyFilesInContainer("Dockerfile", "EnvVariableRestEndpoint.java", "test") | ||
| ) { | ||
| environment.start(); | ||
|
|
||
| String response = readStringFromURL(environment); | ||
| // The test directory (with its contents) is copied, so we get the override | ||
| assertThat(response).isEqualTo("MY_ENV_VARIABLE: override"); | ||
| } | ||
| } | ||
|
|
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| private static String readStringFromURL(DockerComposeContainer container) throws IOException { | ||
| Integer servicePort = container.getServicePort("app_1", 8080); | ||
| String serviceHost = container.getServiceHost("app_1", 8080); | ||
| String requestURL = "http://" + serviceHost + ":" + servicePort + "/env"; | ||
| return RestAssured.get(requestURL).thenReturn().body().asString(); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| MY_ENV_VARIABLE=original |
9 changes: 9 additions & 0 deletions
9
core/src/test/resources/compose-file-copy-inclusions/Dockerfile
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| FROM jbangdev/jbang-action | ||
|
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| WORKDIR /app | ||
| COPY EnvVariableRestEndpoint.java . | ||
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| RUN jbang export portable --force EnvVariableRestEndpoint.java | ||
|
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| EXPOSE 8080 | ||
| CMD ["./EnvVariableRestEndpoint.java"] |
45 changes: 45 additions & 0 deletions
45
core/src/test/resources/compose-file-copy-inclusions/EnvVariableRestEndpoint.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| ///usr/bin/env jbang "$0" "$@" ; exit $? | ||
|
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| import com.sun.net.httpserver.HttpServer; | ||
| import com.sun.net.httpserver.HttpHandler; | ||
| import com.sun.net.httpserver.HttpExchange; | ||
|
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| import java.io.IOException; | ||
| import java.io.OutputStream; | ||
| import java.net.InetSocketAddress; | ||
|
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| public class EnvVariableRestEndpoint { | ||
| private static final String ENV_VARIABLE_NAME = "MY_ENV_VARIABLE"; | ||
| private static final int PORT = 8080; | ||
|
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| public static void main(String[] args) throws IOException { | ||
| HttpServer server = HttpServer.create(new InetSocketAddress(PORT), 0); | ||
| server.createContext("/env", new EnvVariableHandler()); | ||
| server.setExecutor(null); | ||
| server.start(); | ||
| System.out.println("Server started on port " + PORT); | ||
| } | ||
|
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| static class EnvVariableHandler implements HttpHandler { | ||
| @Override | ||
| public void handle(HttpExchange exchange) throws IOException { | ||
| if ("GET".equals(exchange.getRequestMethod())) { | ||
| String envValue = System.getenv(ENV_VARIABLE_NAME); | ||
| String response = envValue != null | ||
| ? ENV_VARIABLE_NAME + ": " + envValue | ||
| : "Environment variable " + ENV_VARIABLE_NAME + " not found"; | ||
|
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| exchange.sendResponseHeaders(200, response.length()); | ||
| try (OutputStream os = exchange.getResponseBody()) { | ||
| os.write(response.getBytes()); | ||
| } | ||
| } else { | ||
| String response = "Method not allowed"; | ||
| exchange.sendResponseHeaders(405, response.length()); | ||
| try (OutputStream os = exchange.getResponseBody()) { | ||
| os.write(response.getBytes()); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
7 changes: 7 additions & 0 deletions
7
core/src/test/resources/compose-file-copy-inclusions/compose-root-only.yml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| services: | ||
| app: | ||
| build: . | ||
| ports: | ||
| - "8080:8080" | ||
| env_file: | ||
| - '.env' |
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