feat: Adding support for --cacheFrom and --cacheTo buildX arguments

src/main/asciidoc/inc/build/_buildx.adoc

@@ -53,6 +53,10 @@ elements are ignored.  If no platform architecture is specified, buildx is *not*
 | The configuration of attestation modes.  The `<provenance>` element may be set to `min`,
 `max`, or `false`. The `<sbom>` element may be set to `true` or `false`. The `<provenance>`
 element defaults to `min` and the `<sbom>` element defaults to `false`.
+| *cacheFrom*
+| A value to be passed through to the `--cache-from` option of `docker buildx build`. See https://docs.docker.com/engine/reference/commandline/buildx_build/#cache-from[docker buildx reference docs].
+| *cacheTo*
+| A value to be passed through to the `--cache-to` option of `docker buildx build`. See https://docs.docker.com/engine/reference/commandline/buildx_build/#cache-to[docker buildx reference docs].
 |===
 
 .Examples

src/main/asciidoc/inc/external/_property_configuration.adoc

@@ -88,6 +88,12 @@ when a `docker.from` or a `docker.fromExt` is set.
 | *docker.buildx.platform*
 | Platform for multi-architecture image
 
+| *docker.buildx.cacheFrom*
+| Cache source for buildx builder
+
+| *docker.buildx.cacheTo*
+| Cache destination for buildx builder
+
 | *docker.capAdd.idx*
 | List of kernel capabilities to add to the container. See <<list-properties>>.
 

src/main/java/io/fabric8/maven/docker/config/BuildXConfiguration.java

@@ -42,6 +42,18 @@ public class BuildXConfiguration implements Serializable {
     @Parameter
     private String nodeName;
 
+    /**
+     * Value to be passed to {@code --cache-from} option of BuildX build.
+     */
+    @Parameter
+    private String cacheFrom;
+
+    /**
+     * Value to be passed to {@code --cache-to} option of BuildX build.
+     */
+    @Parameter
+    private String cacheTo;
+
     public String getBuilderName() {
         return builderName;
     }
@@ -58,6 +70,14 @@ public String getNodeName() {
         return nodeName;
     }
 
+    public String getCacheFrom() {
+        return cacheFrom;
+    }
+
+    public String getCacheTo() {
+        return cacheTo;
+    }
+
     public boolean isBuildX() {
         return !getPlatforms().isEmpty();
     }
@@ -127,5 +147,21 @@ public Builder attestations(AttestationConfiguration attestations) {
             }
             return this;
         }
+
+        public Builder cacheFrom(String cacheFrom) {
+            config.cacheFrom = cacheFrom;
+            if (cacheFrom != null) {
+                isEmpty = false;
+            }
+            return this;
+        }
+
+        public Builder cacheTo(String cacheTo) {
+            config.cacheTo = cacheTo;
+            if (cacheTo != null) {
+                isEmpty = false;
+            }
+            return this;
+        }
     }
 }

src/main/java/io/fabric8/maven/docker/config/handler/property/ConfigKey.java

@@ -48,6 +48,8 @@ public enum ConfigKey {
     BUILDX_DOCKERSTATEDIR("buildx.dockerStateDir"),
     BUILDX_ATTESTATION_PROVENANCE("buildx.attestations.provenance"),
     BUILDX_ATTESTATION_SBOM("buildx.attestations.sbom"),
+    BUILDX_CACHE_FROM("buildx.cacheFrom"),
+    BUILDX_CACHE_TO("buildx.cacheTo"),
     CAP_ADD,
     CAP_DROP,
     SYSCTLS,

src/main/java/io/fabric8/maven/docker/config/handler/property/PropertyConfigHandler.java

@@ -339,6 +339,8 @@ private BuildXConfiguration extractBuildx(BuildXConfiguration config, ValueProvi
             .dockerStateDir(valueProvider.getString(BUILDX_DOCKERSTATEDIR, config.getDockerStateDir()))
             .platforms(valueProvider.getList(BUILDX_PLATFORMS, config.getPlatforms()))
             .attestations(extractAttestations(config.getAttestations(), valueProvider))
+            .cacheFrom(valueProvider.getString(BUILDX_CACHE_FROM, config.getCacheFrom()))
+            .cacheTo(valueProvider.getString(BUILDX_CACHE_TO, config.getCacheTo()))
             .build();
     }
 

src/main/java/io/fabric8/maven/docker/service/BuildXService.java

@@ -175,7 +175,8 @@ protected void buildX(List<String> buildX, String builderName, BuildDirs buildDi
             cmdLine.add("--no-cache");
         }
 
-        AttestationConfiguration attestations = buildConfiguration.getBuildX().getAttestations();
+        BuildXConfiguration buildXConfiguration = buildConfiguration.getBuildX();
+        AttestationConfiguration attestations = buildXConfiguration.getAttestations();
         if (attestations != null) {
             if (Boolean.TRUE.equals(attestations.getSbom())) {
                 cmdLine.add("--sbom=true");
@@ -197,6 +198,14 @@ protected void buildX(List<String> buildX, String builderName, BuildDirs buildDi
             }
         }
 
+        if (buildXConfiguration.getCacheFrom() != null) {
+            cmdLine.add("--cache-from=" + buildXConfiguration.getCacheFrom());
+        }
+
+        if (buildXConfiguration.getCacheTo() != null) {
+            cmdLine.add("--cache-to=" + buildXConfiguration.getCacheTo());
+        }
+
         if (buildConfiguration.squash()) {
             cmdLine.add("--squash");
         }

src/test/java/io/fabric8/maven/docker/service/BuildXServiceTest.java

@@ -8,6 +8,7 @@
 
 import io.fabric8.maven.docker.access.AuthConfig;
 import io.fabric8.maven.docker.util.DockerFileUtil;
+import java.util.function.BiConsumer;
 import org.apache.maven.plugin.MojoExecutionException;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
@@ -122,7 +123,7 @@ void testBuildNativePlatformWithForeign() throws Exception {
     void testNoCacheIsPropagatedToBuildx(@TempDir File temporaryFolder) throws Exception {
 
         //Given
-        buildNoCacheConfigUsingBuildx(temporaryFolder);
+        buildConfigUsingBuildx(temporaryFolder, (buildX, buildImage) -> buildImage.noCache(true));
 
         // When
         buildx.build(projectPaths, imageConfig, configuredRegistry, authConfigList, buildArchive);
@@ -131,14 +132,67 @@ void testNoCacheIsPropagatedToBuildx(@TempDir File temporaryFolder) throws Excep
         verifyBuildXArgumentPresentInExec("--no-cache");
     }
 
-    private void buildNoCacheConfigUsingBuildx(File temporaryFolder) {
-        BuildXConfiguration buildXConfiguration = new BuildXConfiguration.Builder()
+    @Test
+    void testBuildXCacheFromIsNotPresentIfNotProvided(@TempDir File temporaryFolder) throws Exception {
+
+        //Given
+        buildConfigUsingBuildx(temporaryFolder, (buildX, buildImage) -> buildX.cacheFrom(null));
+
+        // When
+        buildx.build(projectPaths, imageConfig, configuredRegistry, authConfigList, buildArchive);
+
+        //Then
+        verifyBuildXArgumentNotPresentInExec("--cache-from");
+    }
+
+    @Test
+    void testBuildXCacheFromIsPresentIfProvided(@TempDir File temporaryFolder) throws Exception {
+
+        //Given
+        buildConfigUsingBuildx(temporaryFolder, (buildX, buildImage) -> buildX.cacheFrom("cacheFromSpec"));
+
+        // When
+        buildx.build(projectPaths, imageConfig, configuredRegistry, authConfigList, buildArchive);
+
+        //Then
+        verifyBuildXArgumentPresentInExec("--cache-from=cacheFromSpec");
+    }
+
+    @Test
+    void testBuildXCacheToIsNotPresentIfNotProvided(@TempDir File temporaryFolder) throws Exception {
+
+        //Given
+        buildConfigUsingBuildx(temporaryFolder, (buildX, buildImage) -> buildX.cacheTo(null));
+
+        // When
+        buildx.build(projectPaths, imageConfig, configuredRegistry, authConfigList, buildArchive);
+
+        //Then
+        verifyBuildXArgumentNotPresentInExec("--cache-to");
+    }
+
+    @Test
+    void testBuildXCacheToIsPresentIfProvided(@TempDir File temporaryFolder) throws Exception {
+
+        //Given
+        buildConfigUsingBuildx(temporaryFolder, (buildX, buildImage) -> buildX.cacheTo("cacheToSpec"));
+
+        // When
+        buildx.build(projectPaths, imageConfig, configuredRegistry, authConfigList, buildArchive);
+
+        //Then
+        verifyBuildXArgumentPresentInExec("--cache-to=cacheToSpec");
+    }
+
+    private void buildConfigUsingBuildx(File temporaryFolder, BiConsumer<BuildXConfiguration.Builder, BuildImageConfiguration.Builder> spec) {
+        final BuildXConfiguration.Builder buildXConfigurationBuilder = new BuildXConfiguration.Builder()
                 .dockerStateDir(temporaryFolder.getAbsolutePath())
-                .platforms(Arrays.asList(NATIVE))
-                .build();
-        final BuildImageConfiguration buildImageConfig = new BuildImageConfiguration.Builder()
-                .buildx(buildXConfiguration)
-                .noCache(true)
+                .platforms(Arrays.asList(NATIVE));
+        final BuildImageConfiguration.Builder buildImageConfigBuilder = new BuildImageConfiguration.Builder();
+        spec.accept(buildXConfigurationBuilder, buildImageConfigBuilder);
+        final BuildXConfiguration buildxConfig = buildXConfigurationBuilder.build();
+        final BuildImageConfiguration buildImageConfig = buildImageConfigBuilder
+                .buildx(buildxConfig)
                 .build();
         imageConfig = new ImageConfiguration.Builder()
                 .name("build-image")
@@ -235,4 +289,13 @@ private void verifyBuildXArgumentPresentInExec(String... args) throws Exception{
             assertTrue(buildXArgCaptor.getValue().stream().anyMatch(passedArgument -> passedArgument.equalsIgnoreCase(arg)));
         }
     }
+
+    private void verifyBuildXArgumentNotPresentInExec(String... args) throws Exception{
+        ArgumentCaptor<List<String>> buildXArgCaptor = ArgumentCaptor.forClass(List.class);
+        Mockito.verify(exec).process(buildXArgCaptor.capture());
+        for (String arg: args) {
+            assertTrue(buildXArgCaptor.getValue().stream().noneMatch(passedArgument ->
+                    passedArgument.toLowerCase().contains(arg.toLowerCase())));
+        }
+    }
 }