Add usage indicators for the bundled JDK

distribution/archives/build.gradle

@@ -54,10 +54,10 @@ CopySpec archiveFiles(CopySpec modulesFiles, String distributionType, String pla
       into('config') {
         dirMode 0750
         fileMode 0660
-        with configFiles(distributionType, oss)
+        with configFiles(distributionType, oss, jdk)
       }
       into('bin') {
-        with binFiles(distributionType, oss)
+        with binFiles(distributionType, oss, jdk)
       }
       if (jdk) {
         into('jdk') {

distribution/build.gradle

@@ -321,13 +321,13 @@ configure(subprojects.findAll { ['archives', 'packages'].contains(it.name) }) {
       from project(':distribution').buildTransportModules
     }
 
-    configFiles = { distributionType, oss ->
+    configFiles = { distributionType, oss, jdk ->
       copySpec {
         with copySpec {
           // main config files, processed with distribution specific substitutions
           from '../src/config'
           exclude 'log4j2.properties' // this is handled separately below
-          MavenFilteringHack.filter(it, expansionsForDistribution(distributionType, oss))
+          MavenFilteringHack.filter(it, expansionsForDistribution(distributionType, oss, jdk))
         }
         if (oss) {
           from project(':distribution').buildOssLog4jConfig
@@ -339,23 +339,23 @@ configure(subprojects.findAll { ['archives', 'packages'].contains(it.name) }) {
       }
     }
 
-    binFiles = { distributionType, oss ->
+    binFiles = { distributionType, oss, jdk ->
       copySpec {
         // non-windows files, for all distributions 
         with copySpec {
           from '../src/bin'
           exclude '*.exe'
           exclude '*.bat'
           eachFile { it.setMode(0755) }
-          MavenFilteringHack.filter(it, expansionsForDistribution(distributionType, oss))
+          MavenFilteringHack.filter(it, expansionsForDistribution(distributionType, oss, jdk))
         }
         // windows files, only for zip
         if (distributionType == 'zip') {
           with copySpec {
             from '../src/bin'
             include '*.bat'
             filter(FixCrLfFilter, eol: FixCrLfFilter.CrLf.newInstance('crlf'))
-            MavenFilteringHack.filter(it, expansionsForDistribution(distributionType, oss))
+            MavenFilteringHack.filter(it, expansionsForDistribution(distributionType, oss, jdk))
           }
           with copySpec {
             from '../src/bin'
@@ -452,7 +452,7 @@ task run(type: RunTask) {
  * </dl>
  */
 subprojects {
-  ext.expansionsForDistribution = { distributionType, oss ->
+  ext.expansionsForDistribution = { distributionType, oss, jdk ->
     final String defaultHeapSize = "1g"
     final String packagingPathData = "path.data: /var/lib/elasticsearch"
     final String pathLogs = "/var/log/elasticsearch"
@@ -545,6 +545,10 @@ subprojects {
         'zip': 'zip'
       ],
 
+      'es.bundled_jdk': [
+        'def': jdk ? 'true' : 'false'
+      ],
+
       'license.name': [
         'deb': oss ? 'ASL-2.0' : 'Elastic-License'
       ],

distribution/packages/build.gradle

@@ -61,23 +61,23 @@ buildscript {
   }
 }
 
-void addProcessFilesTask(String type, boolean oss) {
-  String packagingFiles = "build/packaging/${ oss ? 'oss-' : ''}${type}"
+void addProcessFilesTask(String type, boolean oss, boolean jdk) {
+  String packagingFiles = "build/packaging/${oss ? 'oss-' : ''}${jdk ? '' : 'no-jdk-'}${type}"
 
-  String taskName = "process${oss ? 'Oss' : ''}${type.capitalize()}Files"
+  String taskName = "process${oss ? 'Oss' : ''}${jdk ? '' : 'NoJdk'}${type.capitalize()}Files"
   task(taskName, type: Copy) {
     into packagingFiles
 
     with copySpec {
       from 'src/common'
       from "src/${type}"
-      MavenFilteringHack.filter(it, expansionsForDistribution(type, oss))
+      MavenFilteringHack.filter(it, expansionsForDistribution(type, oss, jdk))
     }
 
     into('etc/elasticsearch') {
-      with configFiles(type, oss)
+      with configFiles(type, oss, jdk)
     }
-    MavenFilteringHack.filter(it, expansionsForDistribution(type, oss))
+    MavenFilteringHack.filter(it, expansionsForDistribution(type, oss, jdk))
 
     doLast {
       // create empty dirs, we set the permissions when configuring the packages
@@ -91,17 +91,21 @@ void addProcessFilesTask(String type, boolean oss) {
     }
   }
 }
-addProcessFilesTask('deb', true)
-addProcessFilesTask('deb', false)
-addProcessFilesTask('rpm', true)
-addProcessFilesTask('rpm', false)
+addProcessFilesTask('deb', true, true)
+addProcessFilesTask('deb', true, false)
+addProcessFilesTask('deb', false, true)
+addProcessFilesTask('deb', false, false)
+addProcessFilesTask('rpm', true, true)
+addProcessFilesTask('rpm', true, false)
+addProcessFilesTask('rpm', false, true)
+addProcessFilesTask('rpm', false, false)
 
 // Common configuration that is package dependent. This can't go in ospackage
 // since we have different templated files that need to be consumed, but the structure
 // is the same
 Closure commonPackageConfig(String type, boolean oss, boolean jdk) {
   return {
-    dependsOn "process${oss ? 'Oss' : ''}${type.capitalize()}Files"
+    dependsOn "process${oss ? 'Oss' : ''}${jdk ? '' : 'NoJdk'}${type.capitalize()}Files"
     packageName "elasticsearch${oss ? '-oss' : ''}"
     arch (type == 'deb' ? 'amd64' : 'X86_64')
     // Follow elasticsearch's file naming convention
@@ -110,7 +114,7 @@ Closure commonPackageConfig(String type, boolean oss, boolean jdk) {
 
     String prefix = "${oss ? 'oss-' : ''}${jdk ? '' : 'no-jdk-'}${type}"
     destinationDir = file("${prefix}/build/distributions")
-    String packagingFiles = "build/packaging/${oss ? 'oss-' : ''}${type}"
+    String packagingFiles = "build/packaging/${oss ? 'oss-' : ''}${jdk ? '' : 'no-jdk-'}${type}"
 
     String scripts = "${packagingFiles}/scripts"
     preInstall file("${scripts}/preinst")
@@ -125,7 +129,7 @@ Closure commonPackageConfig(String type, boolean oss, boolean jdk) {
     // specify it again explicitly for copying common files
     into('/usr/share/elasticsearch') {
       into('bin') {
-        with binFiles(type, oss)
+        with binFiles(type, oss, jdk)
       }
       from(rootProject.projectDir) {
         include 'README.textile'
@@ -202,7 +206,7 @@ Closure commonPackageConfig(String type, boolean oss, boolean jdk) {
       createDirectoryEntry true
       fileType CONFIG | NOREPLACE
     }
-    String envFile = expansionsForDistribution(type, false)['path.env']
+    String envFile = expansionsForDistribution(type, oss, jdk)['path.env']
     configurationFile envFile
     into(new File(envFile).getParent()) {
       fileType CONFIG | NOREPLACE

distribution/src/bin/elasticsearch

@@ -29,6 +29,7 @@ if ! echo $* | grep -E '(^-d |-d$| -d |--daemonize$|--daemonize )' > /dev/null;
     -Des.path.conf="$ES_PATH_CONF" \
     -Des.distribution.flavor="$ES_DISTRIBUTION_FLAVOR" \
     -Des.distribution.type="$ES_DISTRIBUTION_TYPE" \
+    -Des.bundled_jdk="$ES_BUNDLED_JDK" \
     -cp "$ES_CLASSPATH" \
     org.elasticsearch.bootstrap.Elasticsearch \
     "$@"
@@ -40,6 +41,7 @@ else
     -Des.path.conf="$ES_PATH_CONF" \
     -Des.distribution.flavor="$ES_DISTRIBUTION_FLAVOR" \
     -Des.distribution.type="$ES_DISTRIBUTION_TYPE" \
+    -Des.bundled_jdk="$ES_BUNDLED_JDK" \
     -cp "$ES_CLASSPATH" \
     org.elasticsearch.bootstrap.Elasticsearch \
     "$@" \

distribution/src/bin/elasticsearch-env

@@ -82,6 +82,7 @@ ES_PATH_CONF=`cd "$ES_PATH_CONF"; pwd`
 
 ES_DISTRIBUTION_FLAVOR=${es.distribution.flavor}
 ES_DISTRIBUTION_TYPE=${es.distribution.type}
+ES_BUNDLED_JDK=${es.bundled_jdk}
 
 if [ -z "$ES_TMPDIR" ]; then
   ES_TMPDIR=`"$JAVA" -cp "$ES_CLASSPATH" org.elasticsearch.tools.launchers.TempDirectory`

distribution/src/bin/elasticsearch-env.bat

@@ -27,6 +27,7 @@ for %%I in ("%ES_PATH_CONF%..") do set ES_PATH_CONF=%%~dpfI
 
 set ES_DISTRIBUTION_FLAVOR=${es.distribution.flavor}
 set ES_DISTRIBUTION_TYPE=${es.distribution.type}
+set ES_BUNDLED_JDK=${es.bundled_jdk}
 
 cd /d "%ES_HOME%"
 

distribution/src/bin/elasticsearch-service.bat

@@ -167,7 +167,7 @@ if "%JVM_SS%" == "" (
   goto:eof
 )
 
-set ES_PARAMS=-Delasticsearch;-Des.path.home="%ES_HOME%";-Des.path.conf="%ES_PATH_CONF%";-Des.distribution.flavor="%ES_DISTRIBUTION_FLAVOR%";-Des.distribution.type="%ES_DISTRIBUTION_TYPE%"
+set ES_PARAMS=-Delasticsearch;-Des.path.home="%ES_HOME%";-Des.path.conf="%ES_PATH_CONF%";-Des.distribution.flavor="%ES_DISTRIBUTION_FLAVOR%";-Des.distribution.type="%ES_DISTRIBUTION_TYPE%";-Des.bundled_jdk="%ES_BUNDLED_JDK%"
 
 if "%ES_START_TYPE%" == "" set ES_START_TYPE=manual
 if "%ES_STOP_TIMEOUT%" == "" set ES_STOP_TIMEOUT=0

distribution/src/bin/elasticsearch.bat

@@ -50,7 +50,7 @@ if "%MAYBE_JVM_OPTIONS_PARSER_FAILED%" == "jvm_options_parser_failed" (
   exit /b 1
 )
 
-%JAVA% %ES_JAVA_OPTS% -Delasticsearch -Des.path.home="%ES_HOME%" -Des.path.conf="%ES_PATH_CONF%" -Des.distribution.flavor="%ES_DISTRIBUTION_FLAVOR%" -Des.distribution.type="%ES_DISTRIBUTION_TYPE%" -cp "%ES_CLASSPATH%" "org.elasticsearch.bootstrap.Elasticsearch" !newparams!
+%JAVA% %ES_JAVA_OPTS% -Delasticsearch -Des.path.home="%ES_HOME%" -Des.path.conf="%ES_PATH_CONF%" -Des.distribution.flavor="%ES_DISTRIBUTION_FLAVOR%" -Des.distribution.type="%ES_DISTRIBUTION_TYPE%" -Des.bundled_jd="%ES_BUNDLED_JDK%" -cp "%ES_CLASSPATH%" "org.elasticsearch.bootstrap.Elasticsearch" !newparams!
 
 endlocal
 endlocal

docs/reference/cluster/stats.asciidoc

@@ -155,10 +155,12 @@ Will return, for example:
          "max_uptime_in_millis": 13737,
          "versions": [
             {
-               "version": "1.8.0_74",
-               "vm_name": "Java HotSpot(TM) 64-Bit Server VM",
-               "vm_version": "25.74-b02",
+               "version": "12",
+               "vm_name": "OpenJDK 64-Bit Server VM",
+               "vm_version": "12+33",
                "vm_vendor": "Oracle Corporation",
+               "bundled_jdk": true,
+               "using_bundled_jdk": true,
                "count": 1
             }
          ],
@@ -200,6 +202,7 @@ Will return, for example:
 // TESTRESPONSE[s/"plugins": \[[^\]]*\]/"plugins": $body.$_path/]
 // TESTRESPONSE[s/"network_types": \{[^\}]*\}/"network_types": $body.$_path/]
 // TESTRESPONSE[s/"discovery_types": \{[^\}]*\}/"discovery_types": $body.$_path/]
+// TESTRESPONSE[s/: true|false/: $body.$_path/]
 // TESTRESPONSE[s/: (\-)?[0-9]+/: $body.$_path/]
 // TESTRESPONSE[s/: "[^"]*"/: $body.$_path/]
 // These replacements do a few things:

server/src/main/java/org/elasticsearch/action/admin/cluster/stats/ClusterStatsNodes.java

@@ -502,6 +502,8 @@ static final class Fields {
             static final String VM_NAME = "vm_name";
             static final String VM_VERSION = "vm_version";
             static final String VM_VENDOR = "vm_vendor";
+            static final String BUNDLED_JDK = "bundled_jdk";
+            static final String USING_BUNDLED_JDK = "using_bundled_jdk";
             static final String COUNT = "count";
             static final String THREADS = "threads";
             static final String MAX_UPTIME = "max_uptime";
@@ -524,6 +526,8 @@ public XContentBuilder toXContent(XContentBuilder builder, Params params)
                 builder.field(Fields.VM_NAME, v.key.vmName);
                 builder.field(Fields.VM_VERSION, v.key.vmVersion);
                 builder.field(Fields.VM_VENDOR, v.key.vmVendor);
+                builder.field(Fields.BUNDLED_JDK, v.key.bundledJdk);
+                builder.field(Fields.USING_BUNDLED_JDK, v.key.usingBundledJdk);
                 builder.field(Fields.COUNT, v.value);
                 builder.endObject();
             }
@@ -543,12 +547,16 @@ public static class JvmVersion {
         String vmName;
         String vmVersion;
         String vmVendor;
+        boolean bundledJdk;
+        Boolean usingBundledJdk;
 
         JvmVersion(JvmInfo jvmInfo) {
             version = jvmInfo.version();
             vmName = jvmInfo.getVmName();
             vmVersion = jvmInfo.getVmVersion();
             vmVendor = jvmInfo.getVmVendor();
+            bundledJdk = jvmInfo.getBundledJdk();
+            usingBundledJdk = jvmInfo.getUsingBundledJdk();
         }
 
         @Override

server/src/main/java/org/elasticsearch/monitor/jvm/JvmInfo.java

@@ -19,6 +19,10 @@
 
 package org.elasticsearch.monitor.jvm;
 
+import org.elasticsearch.Version;
+import org.elasticsearch.common.Booleans;
+import org.elasticsearch.common.SuppressForbidden;
+import org.elasticsearch.common.io.PathUtils;
 import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.common.io.stream.StreamOutput;
 import org.elasticsearch.common.io.stream.Writeable;
@@ -150,10 +154,24 @@ public class JvmInfo implements Writeable, ToXContentFragment {
 
         }
 
+        final boolean bundledJdk = Booleans.parseBoolean(System.getProperty("es.bundled_jdk", Boolean.FALSE.toString()));
+        final Boolean usingBundledJdk = bundledJdk ? usingBundledJdk() : null;
+
         INSTANCE = new JvmInfo(JvmPid.getPid(), System.getProperty("java.version"), runtimeMXBean.getVmName(), runtimeMXBean.getVmVersion(),
-                runtimeMXBean.getVmVendor(), runtimeMXBean.getStartTime(), configuredInitialHeapSize, configuredMaxHeapSize,
-                mem, inputArguments, bootClassPath, classPath, systemProperties, gcCollectors, memoryPools, onError, onOutOfMemoryError,
-                useCompressedOops, useG1GC, useSerialGC);
+                runtimeMXBean.getVmVendor(), bundledJdk, usingBundledJdk, runtimeMXBean.getStartTime(), configuredInitialHeapSize,
+                configuredMaxHeapSize, mem, inputArguments, bootClassPath, classPath, systemProperties, gcCollectors, memoryPools, onError,
+                onOutOfMemoryError, useCompressedOops, useG1GC, useSerialGC);
+    }
+
+    @SuppressForbidden(reason = "PathUtils#get")
+    private static boolean usingBundledJdk() {
+        /*
+         * We are using the bundled JDK if java.home is the jdk sub-directory of our working directory. This is because we always set
+         * the working directory of Elasticsearch to home, and the bundled JDK is in the jdk sub-directory there.
+         */
+        final String javaHome = System.getProperty("java.home");
+        final String userDir = System.getProperty("user.dir");
+        return PathUtils.get(javaHome).equals(PathUtils.get(userDir).resolve("jdk").toAbsolutePath());
     }
 
     public static JvmInfo jvmInfo() {
@@ -170,6 +188,8 @@ public static JvmInfo jvmInfo() {
     private final String vmName;
     private final String vmVersion;
     private final String vmVendor;
+    private final boolean bundledJdk;
+    private final Boolean usingBundledJdk;
     private final long startTime;
     private final long configuredInitialHeapSize;
     private final long configuredMaxHeapSize;
@@ -186,15 +206,18 @@ public static JvmInfo jvmInfo() {
     private final String useG1GC;
     private final String useSerialGC;
 
-    private JvmInfo(long pid, String version, String vmName, String vmVersion, String vmVendor, long startTime,
-                   long configuredInitialHeapSize, long configuredMaxHeapSize, Mem mem, String[] inputArguments, String bootClassPath,
-                   String classPath, Map<String, String> systemProperties, String[] gcCollectors, String[] memoryPools, String onError,
-                   String onOutOfMemoryError, String useCompressedOops, String useG1GC, String useSerialGC) {
+    private JvmInfo(long pid, String version, String vmName, String vmVersion, String vmVendor, boolean bundledJdk, Boolean usingBundledJdk,
+                    long startTime, long configuredInitialHeapSize, long configuredMaxHeapSize, Mem mem, String[] inputArguments,
+                    String bootClassPath, String classPath, Map<String, String> systemProperties, String[] gcCollectors,
+                    String[] memoryPools, String onError, String onOutOfMemoryError, String useCompressedOops, String useG1GC,
+                    String useSerialGC) {
         this.pid = pid;
         this.version = version;
         this.vmName = vmName;
         this.vmVersion = vmVersion;
         this.vmVendor = vmVendor;
+        this.bundledJdk = bundledJdk;
+        this.usingBundledJdk = usingBundledJdk;
         this.startTime = startTime;
         this.configuredInitialHeapSize = configuredInitialHeapSize;
         this.configuredMaxHeapSize = configuredMaxHeapSize;
@@ -218,6 +241,13 @@ public JvmInfo(StreamInput in) throws IOException {
         vmName = in.readString();
         vmVersion = in.readString();
         vmVendor = in.readString();
+        if (in.getVersion().onOrAfter(Version.V_7_0_0)) {
+            bundledJdk = in.readBoolean();
+            usingBundledJdk = in.readOptionalBoolean();
+        } else {
+            bundledJdk = false;
+            usingBundledJdk = null;
+        }
         startTime = in.readLong();
         inputArguments = new String[in.readInt()];
         for (int i = 0; i < inputArguments.length; i++) {
@@ -246,6 +276,10 @@ public void writeTo(StreamOutput out) throws IOException {
         out.writeString(vmName);
         out.writeString(vmVersion);
         out.writeString(vmVendor);
+        if (out.getVersion().onOrAfter(Version.V_7_0_0)) {
+            out.writeBoolean(bundledJdk);
+            out.writeOptionalBoolean(usingBundledJdk);
+        }
         out.writeLong(startTime);
         out.writeInt(inputArguments.length);
         for (String inputArgument : inputArguments) {
@@ -360,6 +394,14 @@ public String getVmVendor() {
         return this.vmVendor;
     }
 
+    public boolean getBundledJdk() {
+        return bundledJdk;
+    }
+
+    public Boolean getUsingBundledJdk() {
+        return usingBundledJdk;
+    }
+
     public long getStartTime() {
         return this.startTime;
     }
@@ -436,6 +478,8 @@ public XContentBuilder toXContent(XContentBuilder builder, Params params) throws
         builder.field(Fields.VM_NAME, vmName);
         builder.field(Fields.VM_VERSION, vmVersion);
         builder.field(Fields.VM_VENDOR, vmVendor);
+        builder.field(Fields.BUNDLED_JDK, bundledJdk);
+        builder.field(Fields.USING_BUNDLED_JDK, usingBundledJdk);
         builder.timeField(Fields.START_TIME_IN_MILLIS, Fields.START_TIME, startTime);
 
         builder.startObject(Fields.MEM);
@@ -464,6 +508,8 @@ static final class Fields {
         static final String VM_NAME = "vm_name";
         static final String VM_VERSION = "vm_version";
         static final String VM_VENDOR = "vm_vendor";
+        static final String BUNDLED_JDK = "bundled_jdk";
+        static final String USING_BUNDLED_JDK = "using_bundled_jdk";
         static final String START_TIME = "start_time";
         static final String START_TIME_IN_MILLIS = "start_time_in_millis";