Add support for CNB platform API 0.5 through 0.8

Fixes gh-28850

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/build/ApiVersion.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2021 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.
@@ -73,7 +73,7 @@ final class ApiVersion {
 	 * the same version number. A 1.x or higher release matches when the versions have the
 	 * same major version and a minor that is equal or greater.
 	 * @param other the version to check against
-	 * @return if the specified API is supported
+	 * @return if the specified API version is supported
 	 * @see #assertSupports(ApiVersion)
 	 */
 	boolean supports(ApiVersion other) {
@@ -86,6 +86,21 @@ final class ApiVersion {
 		return this.minor >= other.minor;
 	}
 
+	/**
+	 * Returns if this API version supports any of the given versions.
+	 * @param others the versions to check against
+	 * @return if any of the specified API versions are supported
+	 * @see #supports(ApiVersion)
+	 */
+	boolean supportsAny(ApiVersion... others) {
+		for (ApiVersion other : others) {
+			if (supports(other)) {
+				return true;
+			}
+		}
+		return false;
+	}
+
 	@Override
 	public boolean equals(Object obj) {
 		if (this == obj) {

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/build/ApiVersions.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2021 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.
@@ -32,7 +32,8 @@ final class ApiVersions {
 	/**
 	 * The platform API versions supported by this release.
 	 */
-	static final ApiVersions SUPPORTED_PLATFORMS = new ApiVersions(ApiVersion.of(0, 3), ApiVersion.of(0, 4));
+	static final ApiVersions SUPPORTED_PLATFORMS = new ApiVersions(ApiVersion.of(0, 3), ApiVersion.of(0, 4),
+			ApiVersion.of(0, 5), ApiVersion.of(0, 6), ApiVersion.of(0, 7), ApiVersion.of(0, 8));
 
 	private final ApiVersion[] apiVersions;
 

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/build/Lifecycle.java

@@ -181,7 +181,7 @@ class Lifecycle implements Closeable {
 	}
 
 	private boolean requiresProcessTypeDefault() {
-		return this.platformVersion.supports(ApiVersion.of(0, 4));
+		return this.platformVersion.supportsAny(ApiVersion.of(0, 4), ApiVersion.of(0, 5));
 	}
 
 	private void run(Phase phase) throws IOException {

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/java/org/springframework/boot/buildpack/platform/build/ApiVersionTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2021 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.
@@ -16,6 +16,8 @@
 
 package org.springframework.boot.buildpack.platform.build;
 
+import java.util.Arrays;
+
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -68,7 +70,7 @@ class ApiVersionTests {
 	}
 
 	@Test
-	void supportWhenSame() {
+	void supportsWhenSame() {
 		assertThat(supports("0.0", "0.0")).isTrue();
 		assertThat(supports("0.1", "0.1")).isTrue();
 		assertThat(supports("1.0", "1.0")).isTrue();
@@ -92,11 +94,21 @@ class ApiVersionTests {
 	}
 
 	@Test
-	void supportWhenMajorZeroAndDifferentMinor() {
+	void supportsWhenMajorZeroAndDifferentMinor() {
 		assertThat(supports("0.2", "0.1")).isFalse();
 		assertThat(supports("0.2", "0.3")).isFalse();
 	}
 
+	@Test
+	void supportsAnyWhenOneMatches() {
+		assertThat(supportsAny("0.2", "0.1", "0.2")).isTrue();
+	}
+
+	@Test
+	void supportsAnyWhenNoneMatch() {
+		assertThat(supportsAny("0.2", "0.3", "0.4")).isFalse();
+	}
+
 	@Test
 	void toStringReturnsString() {
 		assertThat(ApiVersion.parse("1.2").toString()).isEqualTo("1.2");
@@ -115,4 +127,9 @@ class ApiVersionTests {
 		return ApiVersion.parse(v1).supports(ApiVersion.parse(v2));
 	}
 
+	private boolean supportsAny(String v1, String... others) {
+		return ApiVersion.parse(v1)
+				.supportsAny(Arrays.stream(others).map(ApiVersion::parse).toArray(ApiVersion[]::new));
+	}
+
 }

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/java/org/springframework/boot/buildpack/platform/build/BuilderMetadataTests.java

@@ -92,7 +92,7 @@ class BuilderMetadataTests extends AbstractJsonTests {
 		assertThat(metadata.getStack().getRunImage().getMirrors()).isEmpty();
 		assertThat(metadata.getLifecycle().getVersion()).isEqualTo("0.7.2");
 		assertThat(metadata.getLifecycle().getApi().getBuildpack()).isEqualTo("0.2");
-		assertThat(metadata.getLifecycle().getApi().getPlatform()).isEqualTo("0.4");
+		assertThat(metadata.getLifecycle().getApi().getPlatform()).isEqualTo("0.8");
 		assertThat(metadata.getLifecycle().getApis().getBuildpack()).isNull();
 		assertThat(metadata.getLifecycle().getApis().getPlatform()).isNull();
 	}
@@ -102,9 +102,10 @@ class BuilderMetadataTests extends AbstractJsonTests {
 		BuilderMetadata metadata = BuilderMetadata.fromJson(getContentAsString("builder-metadata-supported-apis.json"));
 		assertThat(metadata.getLifecycle().getVersion()).isEqualTo("0.7.2");
 		assertThat(metadata.getLifecycle().getApi().getBuildpack()).isEqualTo("0.2");
-		assertThat(metadata.getLifecycle().getApi().getPlatform()).isEqualTo("0.4");
+		assertThat(metadata.getLifecycle().getApi().getPlatform()).isEqualTo("0.8");
 		assertThat(metadata.getLifecycle().getApis().getBuildpack()).containsExactly("0.1", "0.2", "0.3");
-		assertThat(metadata.getLifecycle().getApis().getPlatform()).containsExactly("0.3", "0.4");
+		assertThat(metadata.getLifecycle().getApis().getPlatform()).containsExactly("0.3", "0.4", "0.5", "0.6", "0.7",
+				"0.8");
 	}
 
 	@Test

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/java/org/springframework/boot/buildpack/platform/build/LifecycleTests.java

@@ -159,8 +159,8 @@ class LifecycleTests {
 		given(this.docker.container().create(any(), any())).willAnswer(answerWithGeneratedContainerId());
 		given(this.docker.container().wait(any())).willReturn(ContainerStatus.of(0, null));
 		assertThatIllegalStateException()
-				.isThrownBy(() -> createLifecycle("builder-metadata-unsupported-api.json").execute())
+				.isThrownBy(() -> createLifecycle("builder-metadata-unsupported-api.json").execute()).withMessage(
-				.withMessage("Detected platform API versions '0.2' are not included in supported versions '0.3,0.4'");
+						"Detected platform API versions '0.2' are not included in supported versions '0.3,0.4,0.5,0.6,0.7,0.8'");
 	}
 
 	@Test
@@ -170,7 +170,7 @@ class LifecycleTests {
 		given(this.docker.container().wait(any())).willReturn(ContainerStatus.of(0, null));
 		assertThatIllegalStateException()
 				.isThrownBy(() -> createLifecycle("builder-metadata-unsupported-apis.json").execute()).withMessage(
-						"Detected platform API versions '0.5,0.6' are not included in supported versions '0.3,0.4'");
+						"Detected platform API versions '0.1,0.2' are not included in supported versions '0.3,0.4,0.5,0.6,0.7,0.8'");
 	}
 
 	@Test

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/resources/org/springframework/boot/buildpack/platform/build/builder-metadata-supported-apis.json

@@ -16,7 +16,7 @@
 		"version": "0.7.2",
 		"api": {
 			"buildpack": "0.2",
-			"platform": "0.4"
+			"platform": "0.8"
 		},
 		"apis": {
 			"buildpack": {
@@ -31,7 +31,11 @@
 				"deprecated": [],
 				"supported": [
           "0.3",
-					"0.4"
+          "0.4",
+          "0.5",
+          "0.6",
+          "0.7",
+          "0.8"
         ]
 			}
 		}

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/resources/org/springframework/boot/buildpack/platform/build/builder-metadata-unsupported-apis.json

@@ -30,8 +30,8 @@
 			"platform": {
 				"deprecated": [],
 				"supported": [
-					"0.5",
+          "0.1",
-					"0.6"
+          "0.2"
         ]
 			}
 		}

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/resources/org/springframework/boot/buildpack/platform/build/builder-metadata.json

@@ -182,7 +182,7 @@
 		"version": "0.7.2",
 		"api": {
 			"buildpack": "0.2",
-			"platform": "0.4"
+			"platform": "0.8"
 		}
 	},
 	"createdBy": {

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/resources/org/springframework/boot/buildpack/platform/build/lifecycle-creator-bindings.json

@@ -1,12 +1,38 @@
 {
   "User": "root",
   "Image": "pack.local/ephemeral-builder",
-  "Cmd" : [ "/cnb/lifecycle/creator", "-app", "/workspace", "-platform", "/platform", "-run-image", "docker.io/cloudfoundry/run:latest", "-layers", "/layers", "-cache-dir", "/cache", "-launch-cache", "/launch-cache", "-daemon", "-process-type=web", "docker.io/library/my-application:latest" ],
+  "Cmd": [
-  "Env" : [ "CNB_PLATFORM_API=0.4" ],
+    "/cnb/lifecycle/creator",
+    "-app",
+    "/workspace",
+    "-platform",
+    "/platform",
+    "-run-image",
+    "docker.io/cloudfoundry/run:latest",
+    "-layers",
+    "/layers",
+    "-cache-dir",
+    "/cache",
+    "-launch-cache",
+    "/launch-cache",
+    "-daemon",
+    "docker.io/library/my-application:latest"
+  ],
+  "Env": [
+    "CNB_PLATFORM_API=0.8"
+  ],
   "Labels": {
     "author": "spring-boot"
   },
   "HostConfig": {
-    "Binds" : [ "/var/run/docker.sock:/var/run/docker.sock", "pack-layers-aaaaaaaaaa:/layers", "pack-app-aaaaaaaaaa:/workspace", "pack-cache-b35197ac41ea.build:/cache", "pack-cache-b35197ac41ea.launch:/launch-cache", "/host/src/path:/container/dest/path:ro", "volume-name:/container/volume/path:rw" ]
+    "Binds": [
+      "/var/run/docker.sock:/var/run/docker.sock",
+      "pack-layers-aaaaaaaaaa:/layers",
+      "pack-app-aaaaaaaaaa:/workspace",
+      "pack-cache-b35197ac41ea.build:/cache",
+      "pack-cache-b35197ac41ea.launch:/launch-cache",
+      "/host/src/path:/container/dest/path:ro",
+      "volume-name:/container/volume/path:rw"
+    ]
   }
 }

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/resources/org/springframework/boot/buildpack/platform/build/lifecycle-creator-cache-volumes.json

@@ -16,11 +16,10 @@
     "-launch-cache",
     "/launch-cache",
     "-daemon",
-    "-process-type=web",
     "docker.io/library/my-application:latest"
   ],
   "Env": [
-    "CNB_PLATFORM_API=0.4"
+    "CNB_PLATFORM_API=0.8"
   ],
   "Labels": {
     "author": "spring-boot"

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/resources/org/springframework/boot/buildpack/platform/build/lifecycle-creator-clean-cache.json

@@ -1,12 +1,37 @@
 {
   "User": "root",
   "Image": "pack.local/ephemeral-builder",
-  "Cmd" : [ "/cnb/lifecycle/creator", "-app", "/workspace", "-platform", "/platform", "-run-image", "docker.io/cloudfoundry/run:latest", "-layers", "/layers", "-cache-dir", "/cache", "-launch-cache", "/launch-cache", "-daemon", "-skip-restore", "-process-type=web", "docker.io/library/my-application:latest" ],
+  "Cmd": [
-  "Env" : [ "CNB_PLATFORM_API=0.4" ],
+    "/cnb/lifecycle/creator",
+    "-app",
+    "/workspace",
+    "-platform",
+    "/platform",
+    "-run-image",
+    "docker.io/cloudfoundry/run:latest",
+    "-layers",
+    "/layers",
+    "-cache-dir",
+    "/cache",
+    "-launch-cache",
+    "/launch-cache",
+    "-daemon",
+    "-skip-restore",
+    "docker.io/library/my-application:latest"
+  ],
+  "Env": [
+    "CNB_PLATFORM_API=0.8"
+  ],
   "Labels": {
     "author": "spring-boot"
   },
   "HostConfig": {
-    "Binds" : [ "/var/run/docker.sock:/var/run/docker.sock", "pack-layers-aaaaaaaaaa:/layers", "pack-app-aaaaaaaaaa:/workspace", "pack-cache-b35197ac41ea.build:/cache", "pack-cache-b35197ac41ea.launch:/launch-cache" ]
+    "Binds": [
+      "/var/run/docker.sock:/var/run/docker.sock",
+      "pack-layers-aaaaaaaaaa:/layers",
+      "pack-app-aaaaaaaaaa:/workspace",
+      "pack-cache-b35197ac41ea.build:/cache",
+      "pack-cache-b35197ac41ea.launch:/launch-cache"
+    ]
   }
 }

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/resources/org/springframework/boot/buildpack/platform/build/lifecycle-creator-network.json

@@ -1,13 +1,37 @@
 {
   "User": "root",
   "Image": "pack.local/ephemeral-builder",
-  "Cmd" : [ "/cnb/lifecycle/creator", "-app", "/workspace", "-platform", "/platform", "-run-image", "docker.io/cloudfoundry/run:latest", "-layers", "/layers", "-cache-dir", "/cache", "-launch-cache", "/launch-cache", "-daemon", "-process-type=web", "docker.io/library/my-application:latest" ],
+  "Cmd": [
-  "Env" : [ "CNB_PLATFORM_API=0.4" ],
+    "/cnb/lifecycle/creator",
+    "-app",
+    "/workspace",
+    "-platform",
+    "/platform",
+    "-run-image",
+    "docker.io/cloudfoundry/run:latest",
+    "-layers",
+    "/layers",
+    "-cache-dir",
+    "/cache",
+    "-launch-cache",
+    "/launch-cache",
+    "-daemon",
+    "docker.io/library/my-application:latest"
+  ],
+  "Env": [
+    "CNB_PLATFORM_API=0.8"
+  ],
   "Labels": {
     "author": "spring-boot"
   },
   "HostConfig": {
     "NetworkMode": "test",
-    "Binds" : [ "/var/run/docker.sock:/var/run/docker.sock", "pack-layers-aaaaaaaaaa:/layers", "pack-app-aaaaaaaaaa:/workspace", "pack-cache-b35197ac41ea.build:/cache", "pack-cache-b35197ac41ea.launch:/launch-cache" ]
+    "Binds": [
+      "/var/run/docker.sock:/var/run/docker.sock",
+      "pack-layers-aaaaaaaaaa:/layers",
+      "pack-app-aaaaaaaaaa:/workspace",
+      "pack-cache-b35197ac41ea.build:/cache",
+      "pack-cache-b35197ac41ea.launch:/launch-cache"
+    ]
   }
 }

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/resources/org/springframework/boot/buildpack/platform/build/lifecycle-creator.json

@@ -1,12 +1,36 @@
 {
   "User": "root",
   "Image": "pack.local/ephemeral-builder",
-  "Cmd" : [ "/cnb/lifecycle/creator", "-app", "/workspace", "-platform", "/platform", "-run-image", "docker.io/cloudfoundry/run:latest", "-layers", "/layers", "-cache-dir", "/cache", "-launch-cache", "/launch-cache", "-daemon", "-process-type=web", "docker.io/library/my-application:latest" ],
+  "Cmd": [
-  "Env" : [ "CNB_PLATFORM_API=0.4" ],
+    "/cnb/lifecycle/creator",
+    "-app",
+    "/workspace",
+    "-platform",
+    "/platform",
+    "-run-image",
+    "docker.io/cloudfoundry/run:latest",
+    "-layers",
+    "/layers",
+    "-cache-dir",
+    "/cache",
+    "-launch-cache",
+    "/launch-cache",
+    "-daemon",
+    "docker.io/library/my-application:latest"
+  ],
+  "Env": [
+    "CNB_PLATFORM_API=0.8"
+  ],
   "Labels": {
     "author": "spring-boot"
   },
   "HostConfig": {
-    "Binds" : [ "/var/run/docker.sock:/var/run/docker.sock", "pack-layers-aaaaaaaaaa:/layers", "pack-app-aaaaaaaaaa:/workspace", "pack-cache-b35197ac41ea.build:/cache", "pack-cache-b35197ac41ea.launch:/launch-cache" ]
+    "Binds": [
+      "/var/run/docker.sock:/var/run/docker.sock",
+      "pack-layers-aaaaaaaaaa:/layers",
+      "pack-app-aaaaaaaaaa:/workspace",
+      "pack-cache-b35197ac41ea.build:/cache",
+      "pack-cache-b35197ac41ea.launch:/launch-cache"
+    ]
   }
 }