# HG changeset patch
# User mseledtsov
# Date 1553631926 25200
# Node ID dae71635cc3aa82a51985205b0992664bef810c2
# Parent  c31faeacf00a81419f62fb6d8e7028e4712642d0
8221342: [TESTBUG] Generate Dockerfile for docker testing
Summary: Dockerfile is generated; introduced properties to specify custom base image
Reviewed-by: sgehwolf, dholmes, jiefu

diff -r c31faeacf00a -r dae71635cc3a test/hotspot/jtreg/runtime/containers/docker/Dockerfile-BasicTest
--- a/test/hotspot/jtreg/runtime/containers/docker/Dockerfile-BasicTest	Tue Mar 26 15:50:34 2019 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,8 +0,0 @@
-FROM oraclelinux:7.6
-MAINTAINER mikhailo.seledtsov@oracle.com
-
-COPY /jdk /jdk
-
-ENV JAVA_HOME=/jdk
-
-CMD ["/bin/bash"]
diff -r c31faeacf00a -r dae71635cc3a test/hotspot/jtreg/runtime/containers/docker/Dockerfile-BasicTest-aarch64
--- a/test/hotspot/jtreg/runtime/containers/docker/Dockerfile-BasicTest-aarch64	Tue Mar 26 15:50:34 2019 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,8 +0,0 @@
-# Use generic ubuntu Linux on AArch64
-FROM aarch64/ubuntu
-
-COPY /jdk /jdk
-
-ENV JAVA_HOME=/jdk
-
-CMD ["/bin/bash"]
diff -r c31faeacf00a -r dae71635cc3a test/hotspot/jtreg/runtime/containers/docker/Dockerfile-BasicTest-ppc64le
--- a/test/hotspot/jtreg/runtime/containers/docker/Dockerfile-BasicTest-ppc64le	Tue Mar 26 15:50:34 2019 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,10 +0,0 @@
-# test on x86_64 uses Oracle Linux but we do not have this for ppc64le
-# so use some other Linux where OpenJDK works 
-# FROM oraclelinux:7.2
-FROM ppc64le/ubuntu
-
-COPY /jdk /jdk
-
-ENV JAVA_HOME=/jdk
-
-CMD ["/bin/bash"]
diff -r c31faeacf00a -r dae71635cc3a test/hotspot/jtreg/runtime/containers/docker/Dockerfile-BasicTest-s390x
--- a/test/hotspot/jtreg/runtime/containers/docker/Dockerfile-BasicTest-s390x	Tue Mar 26 15:50:34 2019 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,7 +0,0 @@
-FROM s390x/ubuntu
-
-COPY /jdk /jdk
-
-ENV JAVA_HOME=/jdk
-
-CMD ["/bin/bash"]
diff -r c31faeacf00a -r dae71635cc3a test/jdk/jdk/internal/platform/docker/Dockerfile-BasicTest
--- a/test/jdk/jdk/internal/platform/docker/Dockerfile-BasicTest	Tue Mar 26 15:50:34 2019 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,8 +0,0 @@
-FROM oraclelinux:7.6
-MAINTAINER mikhailo.seledtsov@oracle.com
-
-COPY /jdk /jdk
-
-ENV JAVA_HOME=/jdk
-
-CMD ["/bin/bash"]
diff -r c31faeacf00a -r dae71635cc3a test/jdk/jdk/internal/platform/docker/Dockerfile-BasicTest-aarch64
--- a/test/jdk/jdk/internal/platform/docker/Dockerfile-BasicTest-aarch64	Tue Mar 26 15:50:34 2019 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,8 +0,0 @@
-# Use generic ubuntu Linux on AArch64
-FROM aarch64/ubuntu
-
-COPY /jdk /jdk
-
-ENV JAVA_HOME=/jdk
-
-CMD ["/bin/bash"]
diff -r c31faeacf00a -r dae71635cc3a test/jdk/jdk/internal/platform/docker/Dockerfile-BasicTest-ppc64le
--- a/test/jdk/jdk/internal/platform/docker/Dockerfile-BasicTest-ppc64le	Tue Mar 26 15:50:34 2019 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,10 +0,0 @@
-# test on x86_64 uses Oracle Linux but we do not have this for ppc64le
-# so use some other Linux where OpenJDK works 
-# FROM oraclelinux:7.2
-FROM ppc64le/ubuntu
-
-COPY /jdk /jdk
-
-ENV JAVA_HOME=/jdk
-
-CMD ["/bin/bash"]
diff -r c31faeacf00a -r dae71635cc3a test/jdk/jdk/internal/platform/docker/Dockerfile-BasicTest-s390x
--- a/test/jdk/jdk/internal/platform/docker/Dockerfile-BasicTest-s390x	Tue Mar 26 15:50:34 2019 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,7 +0,0 @@
-FROM s390x/ubuntu
-
-COPY /jdk /jdk
-
-ENV JAVA_HOME=/jdk
-
-CMD ["/bin/bash"]
diff -r c31faeacf00a -r dae71635cc3a test/lib/jdk/test/lib/containers/docker/DockerTestUtils.java
--- a/test/lib/jdk/test/lib/containers/docker/DockerTestUtils.java	Tue Mar 26 15:50:34 2019 -0400
+++ b/test/lib/jdk/test/lib/containers/docker/DockerTestUtils.java	Tue Mar 26 13:25:26 2019 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -35,7 +35,6 @@
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
-import jdk.test.lib.Platform;
 import jdk.test.lib.Utils;
 import jdk.test.lib.process.OutputAnalyzer;
 import jdk.test.lib.process.ProcessTools;
@@ -126,11 +125,6 @@
         if (Files.exists(buildDir)) {
             throw new RuntimeException("The docker build directory already exists: " + buildDir);
         }
-        // check for the existance of a platform specific docker file as well
-        String platformSpecificDockerfile = dockerfile + "-" + Platform.getOsArch();
-        if (Files.exists(Paths.get(Utils.TEST_SRC, platformSpecificDockerfile))) {
-          dockerfile = platformSpecificDockerfile;
-        }
 
         Path jdkSrcDir = Paths.get(Utils.TEST_JDK);
         Path jdkDstDir = buildDir.resolve("jdk");
@@ -158,8 +152,9 @@
     public static void
         buildDockerImage(String imageName, Path dockerfile, Path buildDir) throws Exception {
 
-        // Copy docker file to the build dir
-        Files.copy(dockerfile, buildDir.resolve("Dockerfile"));
+        generateDockerFile(buildDir.resolve("Dockerfile"),
+                           DockerfileConfig.getBaseImageName(),
+                           DockerfileConfig.getBaseImageVersion());
 
         // Build the docker
         execute("docker", "build", "--no-cache", "--tag", imageName, buildDir.toString())
@@ -250,6 +245,18 @@
     }
 
 
+    private static void generateDockerFile(Path dockerfile, String baseImage,
+                                           String baseImageVersion) throws Exception {
+        String template =
+            "FROM %s:%s\n" +
+            "COPY /jdk /jdk\n" +
+            "ENV JAVA_HOME=/jdk\n" +
+            "CMD [\"/bin/bash\"]\n";
+        String dockerFileStr = String.format(template, baseImage, baseImageVersion);
+        Files.writeString(dockerfile, dockerFileStr);
+    }
+
+
     private static class CopyFileVisitor extends SimpleFileVisitor<Path> {
         private final Path src;
         private final Path dst;
diff -r c31faeacf00a -r dae71635cc3a test/lib/jdk/test/lib/containers/docker/DockerfileConfig.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/lib/jdk/test/lib/containers/docker/DockerfileConfig.java	Tue Mar 26 13:25:26 2019 -0700
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package jdk.test.lib.containers.docker;
+
+import jdk.test.lib.Platform;
+
+// Use the following properties to specify docker base image at test execution time:
+// Image name: jdk.test.docker.image.name
+// Image version: jdk.test.docker.image.version
+// Usage:
+//     jtreg -Djdk.test.docker.image.name=<BASE_IMAGE_NAME> -Djdk.test.docker.image.version=<BASE_IMAGE_VERSION> test/hotspot/jtreg/runtime/containers/docker/
+// E.g.:
+//     jtreg -Djdk.test.docker.image.name=ubuntu -Djdk.test.docker.image.version=latest test/hotspot/jtreg/runtime/containers/docker/
+// Using make:
+//     make test TEST="test/hotspot/jtreg/runtime/containers/docker" JTREG="JAVA_OPTIONS=-Djdk.test.docker.image.name=ubuntu -Djdk.test.docker.image.version=latest"
+// Note: base image version should not be an empty string. Use "latest" to get the latest version.
+
+public class DockerfileConfig {
+    static String getBaseImageName() {
+        String name = System.getProperty("jdk.test.docker.image.name");
+        if (name != null) {
+            System.out.println("DockerfileConfig: using custom image name: " + name);
+            return name;
+        }
+
+        switch (Platform.getOsArch()) {
+            case "aarch64":
+                return "aarch64/ubuntu";
+            case "ppc64le":
+                return "ppc64le/ubuntu";
+            case "s390x":
+                return "s390x/ubuntu";
+            default:
+                return "oraclelinux";
+        }
+    }
+
+    static String getBaseImageVersion() {
+        String version = System.getProperty("jdk.test.docker.image.version");
+        if (version != null) {
+            System.out.println("DockerfileConfig: using custom image version: " + version);
+            return version;
+        }
+
+        switch (Platform.getOsArch()) {
+            case "aarch64":
+            case "ppc64le":
+            case "s390x":
+                return "latest";
+            default:
+                return "7.6";
+        }
+    }
+}