Copy goal for copying files from container to host

.gitattributes

@@ -0,0 +1,5 @@
+* text=auto
+*.sh text eol=lf
+*.bat text eol=crlf
+*.cmd text eol=crlf
+mvnw text eol=lf

.mvn/jvm.config

@@ -1 +1 @@
--Xmx2048m -Djava.awt.headless=true -XX:+UseG1GC -XX:+UseStringDeduplication
+-Xmx2048m -Djava.awt.headless=true

.mvn/wrapper/MavenWrapperDownloader.java

@@ -0,0 +1,117 @@
+/*
+ * Copyright 2007-present 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
+ *
+ *      http://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.
+ */
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    private static final String WRAPPER_VERSION = "0.5.6";
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+        + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if(mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if(mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if(!outputFile.getParentFile().exists()) {
+            if(!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+            String username = System.getenv("MVNW_USERNAME");
+            char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+            Authenticator.setDefault(new Authenticator() {
+                @Override
+                protected PasswordAuthentication getPasswordAuthentication() {
+                    return new PasswordAuthentication(username, password);
+                }
+            });
+        }
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}

.mvn/wrapper/maven-wrapper.properties

@@ -1 +1,2 @@
-distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.5.4/apache-maven-3.5.4-bin.zip
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar

doc/changelog.md

@@ -14,6 +14,7 @@
   - Add support for config to specify isolation technology for container ([1376](https://github.com/fabric8io/docker-maven-plugin/pull/1376))
   - Add Docker build cache friendly example utilizing Spring Boot Layered JAR and Maven Assembly Plugin ([1412](https://github.com/fabric8io/docker-maven-plugin/pull/1412))
   - Retry port mapping to avoid race condition where complete port information may not be initially available in Docker Engine 20.10.5 ([1447](https://github.com/fabric8io/docker-maven-plugin/pull/1447))
+  - New `copy` goal for copying files and directories from containers to host ([752](https://github.com/fabric8io/docker-maven-plugin/issues/752) and [1405](https://github.com/fabric8io/docker-maven-plugin/pull/1405))
 
 * **0.34.1** (2020-09-27)
   - Fix NPE with "skipPush" and no build configuration given ([#1381](https://github.com/fabric8io/docker-maven-plugin/issues/1381))

it/builder/app-image/pom.xml

@@ -0,0 +1,84 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>io.fabric8.dmp.itests</groupId>
+    <artifactId>dmp-it-builder-parent</artifactId>
+    <version>0.34-SNAPSHOT</version>
+  </parent>
+
+  <artifactId>dmp-it-builder-app-image</artifactId>
+  <packaging>pom</packaging>
+
+  <dependencies>
+    <dependency>
+      <groupId>io.fabric8.dmp.itests</groupId>
+      <artifactId>dmp-it-builder-app</artifactId>
+      <type>tar.gz</type>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-assembly-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>build-context</id>
+            <phase>generate-resources</phase>
+            <goals>
+              <goal>single</goal>
+            </goals>
+            <configuration>
+              <finalName>context</finalName>
+              <appendAssemblyId>false</appendAssemblyId>
+              <attach>false</attach>
+              <descriptors>
+                <descriptor>src/assembly/context.xml</descriptor>
+              </descriptors>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>io.fabric8</groupId>
+        <artifactId>docker-maven-plugin</artifactId>
+        <configuration>
+          <images>
+            <image>
+              <name>${app.image}</name>
+              <build>
+                <contextDir>${project.build.directory}/context</contextDir>
+                <filter>false</filter>
+              </build>
+              <run>
+                <wait>
+                  <exit>0</exit>
+                </wait>
+              </run>
+            </image>
+          </images>
+        </configuration>
+        <executions>
+          <execution>
+            <id>build-image</id>
+            <phase>package</phase>
+            <goals>
+              <goal>build</goal>
+            </goals>
+          </execution>
+          <execution>
+            <id>run</id>
+            <phase>integration-test</phase>
+            <goals>
+              <goal>start</goal>
+              <goal>stop</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>

it/builder/app-image/src/assembly/context.xml

@@ -0,0 +1,26 @@
+<assembly xmlns="http://maven.apache.org/ASSEMBLY/2.1.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/ASSEMBLY/2.1.0 http://maven.apache.org/xsd/assembly-2.1.0.xsd">
+    <id>context</id>
+    <formats>
+        <format>dir</format>
+    </formats>
+    <includeBaseDirectory>false</includeBaseDirectory>
+    <files>
+        <file>
+            <source>src/main/docker/Dockerfile</source>
+            <filtered>true</filtered>
+            <lineEnding>unix</lineEnding>
+        </file>
+    </files>
+    <dependencySets>
+        <dependencySet>
+            <outputDirectory/>
+            <includes>
+                <include>*:*:tar.gz</include>
+            </includes>
+            <useProjectArtifact>false</useProjectArtifact>
+            <outputFileNameMapping>${artifact.artifactId}.${artifact.extension}</outputFileNameMapping>
+        </dependencySet>
+    </dependencySets>
+</assembly>

it/builder/app-image/src/main/docker/Dockerfile

@@ -0,0 +1,5 @@
+FROM scratch
+
+CMD ["/hello"]
+
+ADD ["dmp-it-builder-app.tar.gz", "/"]

it/builder/app/pom.xml

@@ -0,0 +1,76 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>io.fabric8.dmp.itests</groupId>
+    <artifactId>dmp-it-builder-parent</artifactId>
+    <version>0.34-SNAPSHOT</version>
+  </parent>
+
+  <artifactId>dmp-it-builder-app</artifactId>
+  <packaging>pom</packaging>
+
+  <dependencies>
+    <dependency>
+      <groupId>io.fabric8.dmp.itests</groupId>
+      <artifactId>dmp-it-builder-builder-image</artifactId>
+      <type>pom</type>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>io.fabric8</groupId>
+        <artifactId>docker-maven-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>copy-from-builder</id>
+            <phase>generate-resources</phase>
+            <goals>
+              <goal>copy</goal>
+            </goals>
+            <configuration>
+              <images>
+                <image>
+                  <name>${builder.image}</name>
+                  <copy>
+                    <entries>
+                      <entry>
+                        <containerPath>${builder.output.file}</containerPath>
+                        <hostDirectory>${project.build.directory}</hostDirectory>
+                      </entry>
+                    </entries>
+                  </copy>
+                </image>
+              </images>
+              <createContainers>true</createContainers>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>build-helper-maven-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>attach-artifact</id>
+            <phase>package</phase>
+            <goals>
+              <goal>attach-artifact</goal>
+            </goals>
+            <configuration>
+              <artifacts>
+                <artifact>
+                  <file>${project.build.directory}/${builder.output.fileName}</file>
+                  <type>tar.gz</type>
+                </artifact>
+              </artifacts>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>

it/builder/builder-image/.gitignore

@@ -0,0 +1,2 @@
+/build/
+/.idea/

it/builder/builder-image/CMakeLists.txt

@@ -0,0 +1,15 @@
+cmake_minimum_required(VERSION 3.0)
+
+project(hello LANGUAGES C)
+
+set(compile_definitions)
+if(WIN32)
+    list(APPEND compile_definitions WIN32 _UNICODE UNICODE)
+endif()
+
+if(MINGW)
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -municode")
+endif()
+
+add_executable(${PROJECT_NAME} "src/main/c/hello.c")
+target_compile_definitions(${PROJECT_NAME} PRIVATE ${compile_definitions})