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From amareshw...@apache.org
Subject svn commit: r955981 - in /hadoop/common/branches/branch-0.21: ./ src/java/ src/java/org/apache/hadoop/fs/ src/java/org/apache/hadoop/http/ src/test/core/org/apache/hadoop/http/
Date Fri, 18 Jun 2010 12:36:57 GMT
Author: amareshwari
Date: Fri Jun 18 12:36:57 2010
New Revision: 955981

URL: http://svn.apache.org/viewvc?rev=955981&view=rev
Log:
HADOOP-6748. Merge -r 955974:955975 from trunk.

Modified:
    hadoop/common/branches/branch-0.21/CHANGES.txt
    hadoop/common/branches/branch-0.21/src/java/core-default.xml
    hadoop/common/branches/branch-0.21/src/java/org/apache/hadoop/fs/CommonConfigurationKeys.java
    hadoop/common/branches/branch-0.21/src/java/org/apache/hadoop/http/HttpServer.java
    hadoop/common/branches/branch-0.21/src/test/core/org/apache/hadoop/http/TestHttpServer.java

Modified: hadoop/common/branches/branch-0.21/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.21/CHANGES.txt?rev=955981&r1=955980&r2=955981&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.21/CHANGES.txt (original)
+++ hadoop/common/branches/branch-0.21/CHANGES.txt Fri Jun 18 12:36:57 2010
@@ -908,6 +908,9 @@ Release 0.21.0 - Unreleased
 
   BUG FIXES
 
+    HADOOP-6748. Removes hadoop.cluster.administrators, cluster administrators
+    acl is passed as parameter in constructor. (amareshwari) 
+
     HADOOP-6828. Herrior uses old way of accessing logs directories (Sreekanth
     Ramakrishnan via cos)
 

Modified: hadoop/common/branches/branch-0.21/src/java/core-default.xml
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.21/src/java/core-default.xml?rev=955981&r1=955980&r2=955981&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.21/src/java/core-default.xml (original)
+++ hadoop/common/branches/branch-0.21/src/java/core-default.xml Fri Jun 18 12:36:57 2010
@@ -54,16 +54,6 @@
 </property>
 
 <property>
-  <name>hadoop.cluster.administrators</name>
-  <property>Users and/or groups who are designated as the administrators of a
-  hadoop cluster. For specifying a list of users and groups the format to use
-  is "user1,user2 group1,group". If set to '*', it allows all users/groups to
-  do administrations operations of the cluster. If set to '', it allows none.
-  </property>
-  <value>${user.name}</value>
-</property>
-
-<property>
   <name>hadoop.security.authorization</name>
   <value>false</value>
   <description>Is service-level authorization enabled?</description>

Modified: hadoop/common/branches/branch-0.21/src/java/org/apache/hadoop/fs/CommonConfigurationKeys.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.21/src/java/org/apache/hadoop/fs/CommonConfigurationKeys.java?rev=955981&r1=955980&r2=955981&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.21/src/java/org/apache/hadoop/fs/CommonConfigurationKeys.java
(original)
+++ hadoop/common/branches/branch-0.21/src/java/org/apache/hadoop/fs/CommonConfigurationKeys.java
Fri Jun 18 12:36:57 2010
@@ -151,10 +151,5 @@ public class CommonConfigurationKeys {
   public static final String  HADOOP_SECURITY_AUTHENTICATION = "hadoop.security.authentication";
   public static final String HADOOP_SECURITY_AUTHORIZATION =
       "hadoop.security.authorization";
-  /**
-   * ACL denoting the administrator ACLs for a hadoop cluster.
-   */
-  public final static String HADOOP_CLUSTER_ADMINISTRATORS_PROPERTY =
-      "hadoop.cluster.administrators";
 }
 

Modified: hadoop/common/branches/branch-0.21/src/java/org/apache/hadoop/http/HttpServer.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.21/src/java/org/apache/hadoop/http/HttpServer.java?rev=955981&r1=955980&r2=955981&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.21/src/java/org/apache/hadoop/http/HttpServer.java (original)
+++ hadoop/common/branches/branch-0.21/src/java/org/apache/hadoop/http/HttpServer.java Fri
Jun 18 12:36:57 2010
@@ -86,6 +86,9 @@ public class HttpServer implements Filte
   // The ServletContext attribute where the daemon Configuration
   // gets stored.
   public static final String CONF_CONTEXT_ATTRIBUTE = "hadoop.conf";
+  static final String ADMINS_ACL = "admins.acl";
+
+  private AccessControlList adminsAcl;
 
   protected final Server webServer;
   protected final Connector listener;
@@ -115,9 +118,25 @@ public class HttpServer implements Filte
    */
   public HttpServer(String name, String bindAddress, int port,
       boolean findPort, Configuration conf) throws IOException {
+    this(name, bindAddress, port, findPort, conf, null);
+  }
+
+  /**
+   * Create a status server on the given port.
+   * The jsp scripts are taken from src/webapps/<name>.
+   * @param name The name of the server
+   * @param port The port to use on the server
+   * @param findPort whether the server should start at the given port and 
+   *        increment by 1 until it finds a free port.
+   * @param conf Configuration 
+   * @param adminsAcl {@link AccessControlList} of the admins
+   */
+  public HttpServer(String name, String bindAddress, int port,
+      boolean findPort, Configuration conf, AccessControlList adminsAcl)
+      throws IOException {
     webServer = new Server();
     this.findPort = findPort;
-
+    this.adminsAcl = adminsAcl;
     listener = createBaseListener(conf);
     listener.setHost(bindAddress);
     listener.setPort(port);
@@ -139,6 +158,7 @@ public class HttpServer implements Filte
     webAppContext.setContextPath("/");
     webAppContext.setWar(appDir + "/" + name);
     webAppContext.getServletContext().setAttribute(CONF_CONTEXT_ATTRIBUTE, conf);
+    webAppContext.getServletContext().setAttribute(ADMINS_ACL, adminsAcl);
     webServer.addHandler(webAppContext);
 
     addDefaultApps(contexts, appDir, conf);
@@ -201,7 +221,7 @@ public class HttpServer implements Filte
       logContext.setResourceBase(logDir);
       logContext.addServlet(AdminAuthorizedServlet.class, "/");
       logContext.setDisplayName("logs");
-      logContext.getServletContext().setAttribute(CONF_CONTEXT_ATTRIBUTE, conf);
+      setContextAttributes(logContext, conf);
       defaultContexts.put(logContext, true);
     }
     // set up the context for "/static/*"
@@ -209,10 +229,15 @@ public class HttpServer implements Filte
     staticContext.setResourceBase(appDir + "/static");
     staticContext.addServlet(DefaultServlet.class, "/*");
     staticContext.setDisplayName("static");
-    staticContext.getServletContext().setAttribute(CONF_CONTEXT_ATTRIBUTE, conf);
+    setContextAttributes(staticContext, conf);
     defaultContexts.put(staticContext, true);
   }
   
+  private void setContextAttributes(Context context, Configuration conf) {
+    context.getServletContext().setAttribute(CONF_CONTEXT_ATTRIBUTE, conf);
+    context.getServletContext().setAttribute(ADMINS_ACL, adminsAcl);
+  }
+
   /**
    * Add default servlets.
    */
@@ -586,20 +611,18 @@ public class HttpServer implements Filte
     if (remoteUser == null) {
       return true;
     }
-
-    String adminsAclString =
-        conf.get(
-            CommonConfigurationKeys.HADOOP_CLUSTER_ADMINISTRATORS_PROPERTY,
-            "*");
-    AccessControlList adminsAcl = new AccessControlList(adminsAclString);
+    AccessControlList adminsAcl = (AccessControlList) servletContext
+        .getAttribute(ADMINS_ACL);
     UserGroupInformation remoteUserUGI =
         UserGroupInformation.createRemoteUser(remoteUser);
-    if (!adminsAcl.isUserAllowed(remoteUserUGI)) {
-      response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "User "
-          + remoteUser + " is unauthorized to access this page. "
-          + "Only superusers/supergroup \"" + adminsAclString
-          + "\" can access this page.");
-      return false;
+    if (adminsAcl != null) {
+      if (!adminsAcl.isUserAllowed(remoteUserUGI)) {
+        response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "User "
+            + remoteUser + " is unauthorized to access this page. "
+            + "Only \"" + adminsAcl.toString()
+            + "\" can access this page.");
+        return false;
+      }
     }
     return true;
   }

Modified: hadoop/common/branches/branch-0.21/src/test/core/org/apache/hadoop/http/TestHttpServer.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.21/src/test/core/org/apache/hadoop/http/TestHttpServer.java?rev=955981&r1=955980&r2=955981&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.21/src/test/core/org/apache/hadoop/http/TestHttpServer.java
(original)
+++ hadoop/common/branches/branch-0.21/src/test/core/org/apache/hadoop/http/TestHttpServer.java
Fri Jun 18 12:36:57 2010
@@ -49,6 +49,7 @@ import org.apache.hadoop.conf.Configurat
 import org.apache.hadoop.fs.CommonConfigurationKeys;
 import org.apache.hadoop.security.Groups;
 import org.apache.hadoop.security.ShellBasedUnixGroupsMapping;
+import org.apache.hadoop.security.authorize.AccessControlList;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
@@ -293,9 +294,6 @@ public class TestHttpServer extends Http
     Configuration conf = new Configuration();
     conf.setBoolean(CommonConfigurationKeys.HADOOP_SECURITY_AUTHORIZATION,
         true);
-    conf.set(
-        CommonConfigurationKeys.HADOOP_CLUSTER_ADMINISTRATORS_PROPERTY,
-        "userA,userB groupC,groupD");
     conf.set(HttpServer.FILTER_INITIALIZER_PROPERTY,
         DummyFilterInitializer.class.getName());
 
@@ -309,7 +307,8 @@ public class TestHttpServer extends Http
     MyGroupsProvider.mapping.put("userD", Arrays.asList("groupD"));
     MyGroupsProvider.mapping.put("userE", Arrays.asList("groupE"));
 
-    HttpServer myServer = new HttpServer("test", "0.0.0.0", 0, true, conf);
+    HttpServer myServer = new HttpServer("test", "0.0.0.0", 0, true, conf,
+        new AccessControlList("userA,userB groupC,groupD"));
     myServer.setAttribute(HttpServer.CONF_CONTEXT_ATTRIBUTE, conf);
     myServer.start();
     int port = myServer.getPort();



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