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From jia...@apache.org
Subject [44/52] [abbrv] hadoop git commit: YARN-6545. Followup fix for YARN-6405. Contributed by Jian He
Date Fri, 21 Jul 2017 18:39:46 GMT
YARN-6545. Followup fix for YARN-6405. Contributed by Jian He


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/c3147883
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/c3147883
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/c3147883

Branch: refs/heads/yarn-native-services
Commit: c3147883abbf9216ce4f48bd309ae6127b0c6b41
Parents: 636cbba
Author: Billie Rinaldi <billie@apache.org>
Authored: Tue May 9 09:26:00 2017 -0700
Committer: Jian He <jianhe@apache.org>
Committed: Fri Jul 21 11:38:14 2017 -0700

----------------------------------------------------------------------
 .../apache/slider/api/ServiceApiConstants.java  | 19 +++++++
 .../slider/api/resource/Configuration.java      | 26 +++-------
 .../org/apache/slider/client/SliderClient.java  | 26 +++++-----
 .../slider/common/tools/CoreFileSystem.java     | 47 ------------------
 .../core/registry/docstore/ConfigFormat.java    |  2 +-
 .../apache/slider/core/zk/ZKIntegration.java    |  2 +-
 .../apache/slider/providers/ProviderRole.java   | 14 ++----
 .../apache/slider/providers/ProviderUtils.java  | 43 ++++++----------
 .../providers/docker/DockerProviderService.java |  8 +--
 .../server/appmaster/RoleLaunchService.java     |  4 +-
 .../server/appmaster/SliderAppMaster.java       |  1 +
 .../slider/server/appmaster/state/AppState.java | 52 ++++++++++++++++----
 .../appmaster/state/AppStateBindingInfo.java    |  2 +
 .../appmaster/state/ProviderAppState.java       | 12 +++++
 .../server/appmaster/state/RoleInstance.java    |  8 +--
 .../state/StateAccessForProviders.java          | 12 +++++
 .../appstate/TestMockAppStateRMOperations.java  | 48 ++++++++++++++++++
 .../appstate/TestMockAppStateUniqueNames.java   |  2 +-
 .../model/mock/BaseMockAppStateTest.java        |  6 +--
 .../runtime/DockerLinuxContainerRuntime.java    |  2 +
 20 files changed, 194 insertions(+), 142 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/api/ServiceApiConstants.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/api/ServiceApiConstants.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/api/ServiceApiConstants.java
index 5f76f19..da87e3a 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/api/ServiceApiConstants.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/api/ServiceApiConstants.java
@@ -36,6 +36,10 @@ public interface ServiceApiConstants {
 
   String SERVICE_NAME_LC = $("SERVICE_NAME.lc");
 
+  String USER = $("USER");
+
+  String DOMAIN = $("DOMAIN");
+
   // Constants for component
   String COMPONENT_NAME = $("COMPONENT_NAME");
 
@@ -47,4 +51,19 @@ public interface ServiceApiConstants {
   String COMPONENT_ID = $("COMPONENT_ID");
 
   String CONTAINER_ID = $("CONTAINER_ID");
+
+  // Constants for default cluster ZK
+  String CLUSTER_ZK_QUORUM = $("CLUSTER_ZK_QUORUM");
+
+  // URI for the default cluster fs
+  String CLUSTER_FS_URI = $("CLUSTER_FS_URI");
+
+  // the host component of the cluster fs UI
+  String CLUSTER_FS_HOST = $("CLUSTER_FS_HOST");
+
+  // Path in zookeeper for a specific service
+  String SERVICE_ZK_PATH = $("SERVICE_ZK_PATH");
+
+  // Constants for service specific hdfs dir
+  String SERVICE_HDFS_DIR = $("SERVICE_HDFS_DIR");
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/api/resource/Configuration.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/api/resource/Configuration.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/api/resource/Configuration.java
index 0df586c..37d1a40 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/api/resource/Configuration.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/api/resource/Configuration.java
@@ -105,10 +105,7 @@ public class Configuration implements Serializable {
   }
 
   public long getPropertyLong(String name, long defaultValue) {
-    if (name == null) {
-      return defaultValue;
-    }
-    String value = properties.get(name.trim());
+    String value = getProperty(name);
     if (StringUtils.isEmpty(value)) {
       return defaultValue;
     }
@@ -116,10 +113,7 @@ public class Configuration implements Serializable {
   }
 
   public int getPropertyInt(String name, int defaultValue) {
-    if (name == null) {
-      return defaultValue;
-    }
-    String value = properties.get(name.trim());
+    String value = getProperty(name);
     if (StringUtils.isEmpty(value)) {
       return defaultValue;
     }
@@ -127,10 +121,7 @@ public class Configuration implements Serializable {
   }
 
   public boolean getPropertyBool(String name, boolean defaultValue) {
-    if (name == null) {
-      return defaultValue;
-    }
-    String value = properties.get(name.trim());
+    String value = getProperty(name);
     if (StringUtils.isEmpty(value)) {
       return defaultValue;
     }
@@ -138,10 +129,11 @@ public class Configuration implements Serializable {
   }
 
   public String getProperty(String name, String defaultValue) {
-    if (name == null) {
+    String value = getProperty(name);
+    if (StringUtils.isEmpty(value)) {
       return defaultValue;
     }
-    return properties.get(name.trim());
+    return value;
   }
 
   public void setProperty(String name, String value) {
@@ -149,16 +141,10 @@ public class Configuration implements Serializable {
   }
 
   public String getProperty(String name) {
-    if (name == null) {
-      return null;
-    }
     return properties.get(name.trim());
   }
 
   public String getEnv(String name) {
-    if (name == null) {
-      return null;
-    }
     return env.get(name.trim());
   }
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/client/SliderClient.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/client/SliderClient.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/client/SliderClient.java
index 7241374..83b4841 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/client/SliderClient.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/client/SliderClient.java
@@ -1112,18 +1112,20 @@ public class SliderClient extends AbstractSliderLaunchedService implements RunSe
           "not a directory", folder);
     }
 
-    for (File f : files) {
-      srcFile = new Path(f.toURI());
-
-      Path fileInFs = new Path(pkgPath, srcFile.getName());
-      log.info("Installing file {} at {} and overwrite is {}.",
-          srcFile, fileInFs, resourceInfo.overwrite);
-      require(!(sfs.exists(fileInFs) && !resourceInfo.overwrite),
-          "File exists at %s. Use --overwrite to overwrite.", fileInFs.toUri());
-
-      sfs.copyFromLocalFile(false, resourceInfo.overwrite, srcFile, fileInFs);
-      sfs.setPermission(fileInFs,
-          new FsPermission(FsAction.READ_WRITE, FsAction.NONE, FsAction.NONE));
+    if (files != null) {
+      for (File f : files) {
+        srcFile = new Path(f.toURI());
+
+        Path fileInFs = new Path(pkgPath, srcFile.getName());
+        log.info("Installing file {} at {} and overwrite is {}.",
+            srcFile, fileInFs, resourceInfo.overwrite);
+        require(!(sfs.exists(fileInFs) && !resourceInfo.overwrite),
+            "File exists at %s. Use --overwrite to overwrite.", fileInFs.toUri());
+
+        sfs.copyFromLocalFile(false, resourceInfo.overwrite, srcFile, fileInFs);
+        sfs.setPermission(fileInFs,
+            new FsPermission(FsAction.READ_WRITE, FsAction.NONE, FsAction.NONE));
+      }
     }
 
     return EXIT_SUCCESS;

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/common/tools/CoreFileSystem.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/common/tools/CoreFileSystem.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/common/tools/CoreFileSystem.java
index 5f5e611..0c249d0 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/common/tools/CoreFileSystem.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/common/tools/CoreFileSystem.java
@@ -597,53 +597,6 @@ public class CoreFileSystem {
     providerResources.put(SliderKeys.SLIDER_DEPENDENCY_LOCALIZED_DIR_LINK, lc);
   }
 
-  /**
-   * Copy local file(s) to destination HDFS directory. If {@code localPath} is a
-   * local directory then all files matching the {@code filenameFilter}
-   * (optional) are copied, otherwise {@code filenameFilter} is ignored.
-   * 
-   * @param localPath
-   *          a local file or directory path
-   * @param filenameFilter
-   *          if {@code localPath} is a directory then filenameFilter is used as
-   *          a filter (if specified)
-   * @param destDir
-   *          the destination HDFS directory where the file(s) should be copied
-   * @param fp
-   *          file permissions of all the directories and files that will be
-   *          created in this api
-   * @throws IOException
-   */
-  public void copyLocalFilesToHdfs(File localPath,
-      FilenameFilter filenameFilter, Path destDir, FsPermission fp)
-      throws IOException {
-    if (localPath == null || destDir == null) {
-      throw new IOException("Either localPath or destDir is null");
-    }
-    fileSystem.getConf().set(CommonConfigurationKeys.FS_PERMISSIONS_UMASK_KEY,
-        "000");
-    fileSystem.mkdirs(destDir, fp);
-    if (localPath.isDirectory()) {
-      // copy all local files under localPath to destDir (honoring filename
-      // filter if provided
-      File[] localFiles = localPath.listFiles(filenameFilter);
-      Path[] localFilePaths = new Path[localFiles.length];
-      int i = 0;
-      for (File localFile : localFiles) {
-        localFilePaths[i++] = new Path(localFile.getPath());
-      }
-      log.info("Copying {} files from {} to {}", i, localPath.toURI(),
-          destDir.toUri());
-      fileSystem.copyFromLocalFile(false, true, localFilePaths, destDir);
-    } else {
-      log.info("Copying file {} to {}", localPath.toURI(), destDir.toUri());
-      fileSystem.copyFromLocalFile(false, true, new Path(localPath.getPath()),
-          destDir);
-    }
-    // set permissions for all the files created in the destDir
-    fileSystem.setPermission(destDir, fp);
-  }
-
   public void copyLocalFileToHdfs(File localPath,
       Path destPath, FsPermission fp)
       throws IOException {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/core/registry/docstore/ConfigFormat.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/core/registry/docstore/ConfigFormat.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/core/registry/docstore/ConfigFormat.java
index 723b975..081688b 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/core/registry/docstore/ConfigFormat.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/core/registry/docstore/ConfigFormat.java
@@ -25,7 +25,7 @@ public enum ConfigFormat {
   JSON("json"),
   PROPERTIES("properties"),
   XML("xml"),
-  HADOOP_XML("hadoop-xml"),
+  HADOOP_XML("hadoop_xml"),
   ENV("env"),
   TEMPLATE("template"),
   YAML("yaml"),

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/core/zk/ZKIntegration.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/core/zk/ZKIntegration.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/core/zk/ZKIntegration.java
index 4302530..519cd16 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/core/zk/ZKIntegration.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/core/zk/ZKIntegration.java
@@ -52,7 +52,7 @@ public class ZKIntegration implements Watcher, Closeable {
   public static final String SVC_SLIDER = "/" + ZK_SERVICES + "/" + ZK_SLIDER;
   public static final String SVC_SLIDER_USERS = SVC_SLIDER + "/" + ZK_USERS;
 
-  public static final List<String> ZK_USERS_PATH_LIST = new ArrayList<String>();
+  private static final List<String> ZK_USERS_PATH_LIST = new ArrayList<String>();
   static {
     ZK_USERS_PATH_LIST.add(ZK_SERVICES);
     ZK_USERS_PATH_LIST.add(ZK_SLIDER);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/providers/ProviderRole.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/providers/ProviderRole.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/providers/ProviderRole.java
index 9cc48e1..182e956 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/providers/ProviderRole.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/providers/ProviderRole.java
@@ -20,10 +20,8 @@ package org.apache.slider.providers;
 
 import org.apache.slider.api.ResourceKeys;
 import org.apache.slider.api.resource.Component;
-import org.apache.slider.server.appmaster.state.AppState;
+import org.apache.slider.server.appmaster.state.RoleInstance;
 
-import java.util.LinkedList;
-import java.util.List;
 import java.util.Queue;
 import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.concurrent.atomic.AtomicLong;
@@ -44,8 +42,7 @@ public final class ProviderRole {
   public final String labelExpression;
   public final Component component;
   public AtomicLong componentIdCounter = null;
-  public AppState appState;
-  public Queue<String> failedInstanceName = new ConcurrentLinkedQueue<String>();
+  public Queue<RoleInstance> failedInstances = new ConcurrentLinkedQueue<>();
   public ProviderRole(String name, int id) {
     this(name,
         id,
@@ -78,7 +75,7 @@ public final class ProviderRole {
         nodeFailureThreshold,
         placementTimeoutSeconds,
         labelExpression,
-        new Component().name(name).numberOfContainers(0L), null);
+        new Component().name(name).numberOfContainers(0L));
   }
 
   /**
@@ -88,13 +85,13 @@ public final class ProviderRole {
    * @param id ID. This becomes the YARN priority
    * @param policy placement policy
    * @param nodeFailureThreshold threshold for node failures (within a reset interval)
-* after which a node failure is considered an app failure
+   * after which a node failure is considered an app failure
    * @param placementTimeoutSeconds for lax placement, timeout in seconds before
    * @param labelExpression label expression for requests; may be null
    */
   public ProviderRole(String name, String group, int id, int policy,
       int nodeFailureThreshold, long placementTimeoutSeconds,
-      String labelExpression, Component component, AppState state) {
+      String labelExpression, Component component) {
     this.name = name;
     if (group == null) {
       this.group = name;
@@ -110,7 +107,6 @@ public final class ProviderRole {
     if(component.getUniqueComponentSupport()) {
       componentIdCounter = new AtomicLong(0);
     }
-    this.appState = state;
   }
 
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/providers/ProviderUtils.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/providers/ProviderUtils.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/providers/ProviderUtils.java
index d384585..beeaa55 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/providers/ProviderUtils.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/providers/ProviderUtils.java
@@ -32,7 +32,6 @@ import org.apache.hadoop.util.StringUtils;
 import org.apache.hadoop.yarn.api.records.LocalResource;
 import org.apache.hadoop.yarn.api.records.LocalResourceType;
 import org.apache.slider.api.ClusterNode;
-import org.apache.slider.api.OptionKeys;
 import org.apache.slider.api.ResourceKeys;
 import org.apache.slider.api.RoleKeys;
 import org.apache.slider.api.resource.Application;
@@ -59,7 +58,6 @@ import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.OutputStream;
-import java.net.URI;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
@@ -271,8 +269,8 @@ public class ProviderUtils implements RoleKeys, SliderKeys {
   // 2. Add the config file to localResource
   public synchronized void createConfigFileAndAddLocalResource(
       ContainerLauncher launcher, SliderFileSystem fs, Component component,
-      Map<String, String> tokensForSubstitution, RoleInstance roleInstance)
-      throws IOException {
+      Map<String, String> tokensForSubstitution, RoleInstance roleInstance,
+      StateAccessForProviders appState) throws IOException {
     Path compDir =
         new Path(new Path(fs.getAppDir(), "components"), component.getName());
     Path compInstanceDir =
@@ -315,12 +313,12 @@ public class ProviderUtils implements RoleKeys, SliderKeys {
           case HADOOP_XML:
             // Hadoop_xml_template
             resolveHadoopXmlTemplateAndSaveOnHdfs(fs.getFileSystem(),
-                tokensForSubstitution, configFile, remoteFile, roleInstance);
+                tokensForSubstitution, configFile, remoteFile, appState);
             break;
           case TEMPLATE:
             // plain-template
             resolvePlainTemplateAndSaveOnHdfs(fs.getFileSystem(),
-                tokensForSubstitution, configFile, remoteFile, roleInstance);
+                tokensForSubstitution, configFile, remoteFile, appState);
             break;
           default:
             log.info("Not supporting loading src_file for " + configFile);
@@ -383,11 +381,11 @@ public class ProviderUtils implements RoleKeys, SliderKeys {
   @SuppressWarnings("unchecked")
   private void resolveHadoopXmlTemplateAndSaveOnHdfs(FileSystem fs,
       Map<String, String> tokensForSubstitution, ConfigFile configFile,
-      Path remoteFile, RoleInstance roleInstance) throws IOException {
+      Path remoteFile, StateAccessForProviders appState) throws IOException {
     Map<String, String> conf;
     try {
-      conf = (Map<String, String>) roleInstance.providerRole.
-          appState.configFileCache.get(configFile);
+      conf = (Map<String, String>) appState.getConfigFileCache()
+          .get(configFile);
     } catch (ExecutionException e) {
       log.info("Failed to load config file: " + configFile, e);
       return;
@@ -426,17 +424,16 @@ public class ProviderUtils implements RoleKeys, SliderKeys {
   // 3) save on hdfs
   private void resolvePlainTemplateAndSaveOnHdfs(FileSystem fs,
       Map<String, String> tokensForSubstitution, ConfigFile configFile,
-      Path remoteFile, RoleInstance roleInstance) {
+      Path remoteFile, StateAccessForProviders appState) {
     String content;
     try {
-      content = (String) roleInstance.providerRole.appState.configFileCache
-          .get(configFile);
+      content = (String) appState.getConfigFileCache().get(configFile);
     } catch (ExecutionException e) {
       log.info("Failed to load config file: " + configFile, e);
       return;
     }
     // substitute tokens
-    substituteStrWithTokens(content, tokensForSubstitution);
+    content = substituteStrWithTokens(content, tokensForSubstitution);
 
     try (OutputStream output = fs.create(remoteFile)) {
       org.apache.commons.io.IOUtils.write(content, output);
@@ -446,25 +443,13 @@ public class ProviderUtils implements RoleKeys, SliderKeys {
   }
 
   /**
-   * Get initial token map to be substituted into config values.
-   * @param appConf app configurations
-   * @param clusterName app name
+   * Get initial component token map to be substituted into config values.
+   * @param roleInstance role instance
    * @return tokens to replace
    */
-  public Map<String, String> getStandardTokenMap(Configuration appConf,
-      RoleInstance roleInstance, String clusterName) {
-
+  public Map<String, String> initCompTokensForSubstitute(
+      RoleInstance roleInstance) {
     Map<String, String> tokens = new HashMap<>();
-
-    String nnuri = appConf.getProperty("fs.defaultFS");
-    if (nnuri != null && !nnuri.isEmpty()) {
-      tokens.put("${NN_URI}", nnuri);
-      tokens.put("${NN_HOST}", URI.create(nnuri).getHost());
-    }
-    tokens.put("${ZK_HOST}", appConf.getProperty(OptionKeys.ZOOKEEPER_HOSTS));
-    tokens.put("${DEFAULT_ZK_PATH}", appConf.getProperty(OptionKeys.ZOOKEEPER_PATH));
-    tokens.put(SERVICE_NAME_LC, clusterName.toLowerCase());
-    tokens.put(SERVICE_NAME, clusterName);
     tokens.put(COMPONENT_NAME, roleInstance.role);
     tokens.put(COMPONENT_NAME_LC, roleInstance.role.toLowerCase());
     tokens.put(COMPONENT_INSTANCE_NAME, roleInstance.getCompInstanceName());

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/providers/docker/DockerProviderService.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/providers/docker/DockerProviderService.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/providers/docker/DockerProviderService.java
index 482bb27..12c2b04 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/providers/docker/DockerProviderService.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/providers/docker/DockerProviderService.java
@@ -88,10 +88,10 @@ public class DockerProviderService extends AbstractService
 
     // Generate tokens (key-value pair) for config substitution.
     // Get pre-defined tokens
+    Map<String, String> globalTokens = amState.getGlobalSubstitutionTokens();
     Map<String, String> tokensForSubstitution = providerUtils
-        .getStandardTokenMap(application.getConfiguration(), roleInstance,
-            application.getName());
-
+        .initCompTokensForSubstitute(roleInstance);
+    tokensForSubstitution.putAll(globalTokens);
     // Set the environment variables in launcher
     launcher.putEnv(SliderUtils
         .buildEnvMap(component.getConfiguration(), tokensForSubstitution));
@@ -111,7 +111,7 @@ public class DockerProviderService extends AbstractService
 
     // create config file on hdfs and add local resource
     providerUtils.createConfigFileAndAddLocalResource(launcher, fileSystem,
-        component, tokensForSubstitution, roleInstance);
+        component, tokensForSubstitution, roleInstance, amState);
 
     // substitute launch command
     String launchCommand = ProviderUtils

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/RoleLaunchService.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/RoleLaunchService.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/RoleLaunchService.java
index c53349f..7c096c7 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/RoleLaunchService.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/RoleLaunchService.java
@@ -150,10 +150,10 @@ public class RoleLaunchService
         containerLauncher.setupUGI();
         containerLauncher.putEnv(envVars);
 
-        String failedInstance = role.failedInstanceName.poll();
+        RoleInstance failedInstance = role.failedInstances.poll();
         RoleInstance instance;
         if (failedInstance != null) {
-          instance = new RoleInstance(container, role, failedInstance);
+          instance = new RoleInstance(container, failedInstance);
         } else {
           instance = new RoleInstance(container, role);
         }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/SliderAppMaster.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/SliderAppMaster.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/SliderAppMaster.java
index ffa07fb..ae03b45 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/SliderAppMaster.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/SliderAppMaster.java
@@ -819,6 +819,7 @@ public class SliderAppMaster extends AbstractSliderLaunchedService
       binding.releaseSelector =  new MostRecentContainerReleaseSelector();
       binding.nodeReports = nodeReports;
       binding.application = application;
+      binding.serviceHdfsDir = fs.buildClusterDirPath(appName).toString();
       appState.buildInstance(binding);
 
       // build up environment variables that the AM wants set in every container

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/AppState.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/AppState.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/AppState.java
index 9f7b4a8..1e1b377 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/AppState.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/AppState.java
@@ -24,11 +24,11 @@ import com.google.common.cache.CacheBuilder;
 import com.google.common.cache.CacheLoader;
 import com.google.common.cache.LoadingCache;
 import org.apache.commons.io.IOUtils;
-import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FSDataInputStream;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.metrics2.lib.MutableGaugeInt;
+import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.ContainerStatus;
@@ -42,6 +42,7 @@ import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
 import org.apache.hadoop.yarn.util.resource.Resources;
 import org.apache.slider.api.ClusterNode;
 import org.apache.slider.api.InternalKeys;
+import org.apache.slider.api.ServiceApiConstants;
 import org.apache.slider.api.StatusKeys;
 import org.apache.slider.api.proto.Messages;
 import org.apache.slider.api.proto.Messages.ComponentCountProto;
@@ -61,6 +62,7 @@ import org.apache.slider.core.exceptions.ErrorStrings;
 import org.apache.slider.core.exceptions.NoSuchNodeException;
 import org.apache.slider.core.exceptions.SliderInternalStateException;
 import org.apache.slider.core.exceptions.TriggerClusterTeardownException;
+import org.apache.slider.core.zk.ZKIntegration;
 import org.apache.slider.providers.PlacementPolicy;
 import org.apache.slider.providers.ProviderRole;
 import org.apache.slider.server.appmaster.management.MetricsAndMonitoring;
@@ -75,6 +77,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
+import java.net.URI;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
@@ -89,7 +92,12 @@ import java.util.concurrent.ConcurrentSkipListMap;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicInteger;
 
+import static org.apache.hadoop.fs.FileSystem.FS_DEFAULT_NAME_KEY;
+import static org.apache.hadoop.registry.client.api.RegistryConstants.DEFAULT_REGISTRY_ZK_QUORUM;
+import static org.apache.hadoop.registry.client.api.RegistryConstants.KEY_DNS_DOMAIN;
+import static org.apache.hadoop.registry.client.api.RegistryConstants.KEY_REGISTRY_ZK_QUORUM;
 import static org.apache.slider.api.ResourceKeys.*;
+import static org.apache.slider.api.ServiceApiConstants.*;
 import static org.apache.slider.api.StateValues.*;
 import static org.apache.slider.api.resource.ApplicationState.STARTED;
 
@@ -193,14 +201,13 @@ public class AppState {
   private int containerMinMemory;
 
   private RoleHistory roleHistory;
-  private Configuration publishedProviderConf;
   private long startTimeThreshold;
 
   private int failureThreshold = 10;
   private int nodeFailureThreshold = 3;
 
   private String logServerURL = "";
-
+  public Map<String, String> globalTokens = new HashMap<>();
   /**
    * Selector of containers to release; application wide.
    */
@@ -335,6 +342,7 @@ public class AppState {
         DEFAULT_CONTAINER_FAILURE_THRESHOLD);
     nodeFailureThreshold = conf.getPropertyInt(NODE_FAILURE_THRESHOLD,
         DEFAULT_NODE_FAILURE_THRESHOLD);
+    initGlobalTokensForSubstitute(binding);
 
     //build the initial component list
     int priority = 1;
@@ -367,6 +375,34 @@ public class AppState {
     createConfigFileCache(binding.fs);
   }
 
+  private void initGlobalTokensForSubstitute(AppStateBindingInfo binding)
+      throws IOException {
+    // ZK
+    globalTokens.put(ServiceApiConstants.CLUSTER_ZK_QUORUM,
+        binding.serviceConfig
+            .getTrimmed(KEY_REGISTRY_ZK_QUORUM, DEFAULT_REGISTRY_ZK_QUORUM));
+    String user = UserGroupInformation.getCurrentUser().getShortUserName();
+    globalTokens
+        .put(SERVICE_ZK_PATH, ZKIntegration.mkClusterPath(user, app.getName()));
+
+    globalTokens.put(ServiceApiConstants.USER, user);
+    String dnsDomain = binding.serviceConfig.getTrimmed(KEY_DNS_DOMAIN);
+    if (dnsDomain != null && !dnsDomain.isEmpty()) {
+      globalTokens.put(ServiceApiConstants.DOMAIN, dnsDomain);
+    }
+    // HDFS
+    String clusterFs = binding.serviceConfig.getTrimmed(FS_DEFAULT_NAME_KEY);
+    if (clusterFs != null && !clusterFs.isEmpty()) {
+      globalTokens.put(ServiceApiConstants.CLUSTER_FS_URI, clusterFs);
+      globalTokens.put(ServiceApiConstants.CLUSTER_FS_HOST,
+          URI.create(clusterFs).getHost());
+    }
+    globalTokens.put(SERVICE_HDFS_DIR, binding.serviceHdfsDir);
+    // service name
+    globalTokens.put(SERVICE_NAME_LC, app.getName().toLowerCase());
+    globalTokens.put(SERVICE_NAME, app.getName());
+  }
+
   private void createConfigFileCache(final FileSystem fileSystem) {
     this.configFileCache =
         CacheBuilder.newBuilder().expireAfterAccess(10, TimeUnit.MINUTES)
@@ -411,7 +447,7 @@ public class AppState {
         DEF_YARN_LABEL_EXPRESSION);
     ProviderRole newRole =
         new ProviderRole(name, group, priority, (int)placementPolicy, threshold,
-            placementTimeout, label, component, this);
+            placementTimeout, label, component);
     buildRole(newRole, component);
     log.info("Created a new role " + newRole);
     return newRole;
@@ -1300,8 +1336,7 @@ public class AppState {
         try {
           RoleStatus roleStatus = lookupRoleStatus(roleInstance.roleId);
           decRunningContainers(roleStatus);
-          roleStatus.getProviderRole().failedInstanceName
-              .offer(roleInstance.compInstanceName);
+          roleStatus.getProviderRole().failedInstances.offer(roleInstance);
           boolean shortLived = isShortLived(roleInstance);
           String message;
           Container failedContainer = roleInstance.container;
@@ -1742,8 +1777,7 @@ public class AppState {
         for (RoleInstance possible : finalCandidates) {
           log.info("Targeting for release: {}", possible);
           containerReleaseSubmitted(possible.container);
-          role.getProviderRole().failedInstanceName
-              .offer(possible.compInstanceName);
+          role.getProviderRole().failedInstances.offer(possible);
           operations.add(new ContainerReleaseOperation(possible.getContainerId()));
         }
       }
@@ -1862,7 +1896,6 @@ public class AppState {
       //get the role
       final ContainerId cid = container.getId();
       final RoleStatus role = lookupRoleStatus(container);
-      decRequestedContainers(role);
 
       //inc allocated count -this may need to be dropped in a moment,
       // but us needed to update the logic below
@@ -1888,6 +1921,7 @@ public class AppState {
         role.getComponentMetrics().surplusContainers.incr();
         containersRunning.decr();
       } else {
+        decRequestedContainers(role);
         log.info("Assigning role {} to container" + " {}," + " on {}:{},",
             roleName, cid, nodeId.getHost(), nodeId.getPort());
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/AppStateBindingInfo.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/AppStateBindingInfo.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/AppStateBindingInfo.java
index 2dfded8..ac9b8eb 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/AppStateBindingInfo.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/AppStateBindingInfo.java
@@ -25,6 +25,7 @@ import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.NodeReport;
 import org.apache.slider.api.resource.Application;
+import org.apache.slider.common.tools.CoreFileSystem;
 import org.apache.slider.providers.ProviderRole;
 
 import java.util.ArrayList;
@@ -45,6 +46,7 @@ public class AppStateBindingInfo {
   public Path historyPath;
   public List<Container> liveContainers = new ArrayList<>(0);
   public ContainerReleaseSelector releaseSelector = new SimpleReleaseSelector();
+  public String serviceHdfsDir = "";
   /** node reports off the RM. */
   public List<NodeReport> nodeReports = new ArrayList<>(0);
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/ProviderAppState.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/ProviderAppState.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/ProviderAppState.java
index 8046472..8fc08b7 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/ProviderAppState.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/ProviderAppState.java
@@ -18,11 +18,13 @@
 
 package org.apache.slider.server.appmaster.state;
 
+import com.google.common.cache.LoadingCache;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
 import org.apache.slider.api.ClusterNode;
 import org.apache.slider.api.resource.Application;
+import org.apache.slider.api.resource.ConfigFile;
 import org.apache.slider.api.types.ApplicationLivenessInformation;
 import org.apache.slider.api.types.ComponentInformation;
 import org.apache.slider.api.types.NodeInformation;
@@ -262,4 +264,14 @@ public class ProviderAppState implements StateAccessForProviders {
   public RoleStatistics getRoleStatistics() {
     return appState.getRoleStatistics();
   }
+
+  @Override
+  public Map<String, String> getGlobalSubstitutionTokens() {
+    return appState.globalTokens;
+  }
+
+  @Override
+  public LoadingCache<ConfigFile, Object> getConfigFileCache() {
+    return appState.configFileCache;
+  }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/RoleInstance.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/RoleInstance.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/RoleInstance.java
index 736dfd1..9ac26b5 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/RoleInstance.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/RoleInstance.java
@@ -128,11 +128,11 @@ public final class RoleInstance implements Cloneable {
     this.providerRole = role;
   }
 
-  public RoleInstance(Container container, ProviderRole role,
-      String compInstanceName) {
+  public RoleInstance(Container container, RoleInstance failedInstance) {
     this(container);
-    this.compInstanceName = compInstanceName;
-    this.providerRole = role;
+    this.componentId = failedInstance.componentId;
+    this.compInstanceName = failedInstance.compInstanceName;
+    this.providerRole = failedInstance.providerRole;
   }
 
   /**

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/StateAccessForProviders.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/StateAccessForProviders.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/StateAccessForProviders.java
index 5bc6dce..90221cb 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/StateAccessForProviders.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/StateAccessForProviders.java
@@ -18,12 +18,14 @@
 
 package org.apache.slider.server.appmaster.state;
 
+import com.google.common.cache.LoadingCache;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
 import org.apache.slider.api.ClusterNode;
 import org.apache.slider.api.StatusKeys;
 import org.apache.slider.api.resource.Application;
+import org.apache.slider.api.resource.ConfigFile;
 import org.apache.slider.api.types.ApplicationLivenessInformation;
 import org.apache.slider.api.types.ComponentInformation;
 import org.apache.slider.api.types.NodeInformation;
@@ -260,4 +262,14 @@ public interface StateAccessForProviders {
    * @return role statistics
    */
   RoleStatistics getRoleStatistics();
+
+  /**
+   * Get global substitution tokens.
+   */
+  Map<String, String> getGlobalSubstitutionTokens();
+
+  /**
+   * Get config file cache.
+   */
+  LoadingCache<ConfigFile, Object> getConfigFileCache();
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/test/java/org/apache/slider/server/appmaster/model/appstate/TestMockAppStateRMOperations.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/test/java/org/apache/slider/server/appmaster/model/appstate/TestMockAppStateRMOperations.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/test/java/org/apache/slider/server/appmaster/model/appstate/TestMockAppStateRMOperations.java
index 2d87be6..363c551 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/test/java/org/apache/slider/server/appmaster/model/appstate/TestMockAppStateRMOperations.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/test/java/org/apache/slider/server/appmaster/model/appstate/TestMockAppStateRMOperations.java
@@ -379,4 +379,52 @@ public class TestMockAppStateRMOperations extends BaseMockAppStateTest
     assertNull(ri3);
   }
 
+  @Test
+  public void testDoubleAllocate() throws Throwable {
+    getRole0Status().setDesired(1);
+
+    List<AbstractRMOperation> ops = appState.reviewRequestAndReleaseNodes();
+    ContainerRequestOperation operation = (ContainerRequestOperation)ops.get(0);
+    AMRMClient.ContainerRequest request = operation.getRequest();
+    Container cont = engine.allocateContainer(request);
+    List<Container> allocated = new ArrayList<>();
+    allocated.add(cont);
+    List<ContainerAssignment> assignments = new ArrayList<>();
+    List<AbstractRMOperation> operations = new ArrayList<>();
+    assertEquals(0L, getRole0Status().getRunning());
+    assertEquals(1L, getRole0Status().getRequested());
+    appState.onContainersAllocated(allocated, assignments, operations);
+
+    assertListLength(ops, 1);
+    assertListLength(assignments, 1);
+    ContainerAssignment assigned = assignments.get(0);
+    Container target = assigned.container;
+    assertEquals(target.getId(), cont.getId());
+    int roleId = assigned.role.getPriority();
+    assertEquals(roleId, extractRole(request.getPriority()));
+    assertEquals(assigned.role.getName(), ROLE0);
+    RoleInstance ri = roleInstance(assigned);
+    //tell the app it arrived
+    appState.containerStartSubmitted(target, ri);
+    appState.innerOnNodeManagerContainerStarted(target.getId());
+    assertEquals(1L, getRole0Status().getRunning());
+    assertEquals(0L, getRole0Status().getRequested());
+
+    // now get an extra allocation that should be released
+    cont = engine.allocateContainer(request);
+    allocated = new ArrayList<>();
+    allocated.add(cont);
+    assignments = new ArrayList<>();
+    operations = new ArrayList<>();
+    appState.onContainersAllocated(allocated, assignments, operations);
+
+    assertListLength(operations, 1);
+    assertTrue(operations.get(0) instanceof ContainerReleaseOperation);
+    ContainerReleaseOperation release = (ContainerReleaseOperation)
+        operations.get(0);
+    assertEquals(release.getContainerId(), cont.getId());
+
+    assertEquals(1L, getRole0Status().getRunning());
+    assertEquals(0L, getRole0Status().getRequested());
+  }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/test/java/org/apache/slider/server/appmaster/model/appstate/TestMockAppStateUniqueNames.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/test/java/org/apache/slider/server/appmaster/model/appstate/TestMockAppStateUniqueNames.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/test/java/org/apache/slider/server/appmaster/model/appstate/TestMockAppStateUniqueNames.java
index 54ffe17..b7e967f 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/test/java/org/apache/slider/server/appmaster/model/appstate/TestMockAppStateUniqueNames.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/test/java/org/apache/slider/server/appmaster/model/appstate/TestMockAppStateUniqueNames.java
@@ -99,6 +99,7 @@ public class TestMockAppStateUniqueNames extends BaseMockAppStateTest
       assertEquals(roles[i], entry.getKey());
       RoleInstance instance = entry.getValue();
       assertEquals(roles[i], instance.compInstanceName);
+      assertEquals(i, instance.componentId);
       assertEquals(group, instance.role);
       assertEquals(group, instance.providerRole.name);
       assertEquals(group, instance.providerRole.group);
@@ -129,7 +130,6 @@ public class TestMockAppStateUniqueNames extends BaseMockAppStateTest
     createAndStartNodes();
     instances = appState.cloneOwnedContainerList();
     verifyInstances(instances, "group1", "group10", "group11", "group12");
-    // fails because the names continue at N+1, with group12, group13, group14
   }
 
   @Test

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/test/java/org/apache/slider/server/appmaster/model/mock/BaseMockAppStateTest.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/test/java/org/apache/slider/server/appmaster/model/mock/BaseMockAppStateTest.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/test/java/org/apache/slider/server/appmaster/model/mock/BaseMockAppStateTest.java
index 4352959..69abccf 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/test/java/org/apache/slider/server/appmaster/model/mock/BaseMockAppStateTest.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/test/java/org/apache/slider/server/appmaster/model/mock/BaseMockAppStateTest.java
@@ -176,11 +176,11 @@ public abstract class BaseMockAppStateTest extends SliderTestBase implements
    */
   public RoleInstance roleInstance(ContainerAssignment assigned) {
     Container target = assigned.container;
-    String failedInstance =
-        assigned.role.getProviderRole().failedInstanceName.poll();
+    RoleInstance failedInstance =
+        assigned.role.getProviderRole().failedInstances.poll();
     RoleInstance ri;
     if (failedInstance != null) {
-      ri = new RoleInstance(target,  assigned.role.getProviderRole(), failedInstance);
+      ri = new RoleInstance(target, failedInstance);
     } else {
       ri = new RoleInstance(target, assigned.role.getProviderRole());
     }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3147883/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/DockerLinuxContainerRuntime.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/DockerLinuxContainerRuntime.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/DockerLinuxContainerRuntime.java
index e058d6e..57dadb2 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/DockerLinuxContainerRuntime.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/DockerLinuxContainerRuntime.java
@@ -627,6 +627,8 @@ public class DockerLinuxContainerRuntime implements LinuxContainerRuntime {
         LOG.error("Incorrect format for ip and host");
         return null;
       }
+      // strip off quotes if any
+      output = output.replaceAll("['\"]", "");
       String ips = output.substring(0, index).trim();
       String host = output.substring(index+1).trim();
       String[] ipAndHost = new String[2];


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