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From vino...@apache.org
Subject svn commit: r1180835 - in /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project: ./ hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/ hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/ hadoo...
Date Mon, 10 Oct 2011 09:20:50 GMT
Author: vinodkv
Date: Mon Oct 10 09:20:49 2011
New Revision: 1180835

URL: http://svn.apache.org/viewvc?rev=1180835&view=rev
Log:
MAPREDUCE-2988. svn merge -c r1180833 --ignore-ancestry ../../trunk/

Added:
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestLinuxContainerExecutorWithMocks.java
      - copied unchanged from r1180833, hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestLinuxContainerExecutorWithMocks.java
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/resources/
      - copied from r1180833, hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/resources/
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/resources/mock-container-executor
      - copied unchanged from r1180833, hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/resources/mock-container-executor
Modified:
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/pom.xml
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/.gitignore
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/Makefile.am
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/configure.ac
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/impl/container-executor.c
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/impl/container-executor.h
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/impl/main.c
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/test/test-task-controller.c
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestLinuxContainerExecutor.java

Modified: hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt?rev=1180835&r1=1180834&r2=1180835&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt (original)
+++ hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt Mon Oct 10 09:20:49
2011
@@ -286,6 +286,9 @@ Release 0.23.0 - Unreleased
     MAPREDUCE-2726. Added job-file to the AM and JobHistoryServer web
     interfaces. (Jeffrey Naisbitt via vinodkv)
 
+    MAPREDUCE-2880. Improve classpath-construction for mapreduce AM and
+    containers. (Arun C Murthy via vinodkv)
+
     MAPREDUCE-3055. Simplified ApplicationAttemptId passing to
     ApplicationMaster via environment variable. (vinodkv)
 
@@ -316,9 +319,12 @@ Release 0.23.0 - Unreleased
     the outputs of tasks from a crashed job so as to support MR Application
     Master recovery. (Sharad Agarwal and Arun C Murthy via vinodkv)
 
-    MAPREDUCE-2738. Added the missing cluster level statisticss on the RM web
+    MAPREDUCE-2738. Added the missing cluster level statistics on the RM web
     UI. (Robert Joseph Evans via vinodkv)
 
+    MAPREDUCE-2988. Reenabled TestLinuxContainerExecutor reflecting the
+    current NodeManager code. (Robert Joseph Evans via vinodkv) 
+
   OPTIMIZATIONS
 
     MAPREDUCE-2026. Make JobTracker.getJobCounters() and
@@ -330,9 +336,6 @@ Release 0.23.0 - Unreleased
 
     MAPREDUCE-901. Efficient framework counters. (llu via acmurthy)
 
-    MAPREDUCE-2880. Improve classpath-construction for mapreduce AM and
-    containers. (Arun C Murthy via vinodkv)
-
   BUG FIXES
 
     MAPREDUCE-2603. Disable High-Ram emulation in system tests. 

Modified: hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/pom.xml
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/pom.xml?rev=1180835&r1=1180834&r2=1180835&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/pom.xml
(original)
+++ hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/pom.xml
Mon Oct 10 09:20:49 2011
@@ -26,6 +26,7 @@
   <properties>
     <install.file>${project.artifact.file}</install.file>
     <yarn.basedir>${project.parent.parent.basedir}</yarn.basedir>
+    <container-executor.conf.dir>/etc/hadoop</container-executor.conf.dir>
   </properties>
 
   <dependencies>
@@ -46,21 +47,23 @@
             <version>1.0-beta-1</version>
             <executions>
               <execution>
-                <id>autoreconf</id>
-                <phase>package</phase>
+                <id>clean</id>
+                <phase>clean</phase>
                 <configuration>
                   <arguments>
                     <argument>-i</argument>
                   </arguments>
                   <workDir>src/main/c/container-executor</workDir>
+                  <destDir>target</destDir>
                 </configuration>
                 <goals>
                   <goal>autoreconf</goal>
+                  <goal>make-clean</goal>
                 </goals>
               </execution>
               <execution>
                 <id>make</id>
-                <phase>package</phase>
+                <phase>compile</phase>
                 <configuration>
                   <workDir>src/main/c/container-executor</workDir>
                   <configureEnvironment>
@@ -79,20 +82,34 @@
                   <prefix>${project.build.outputDirectory}</prefix>
                 </configuration>
                 <goals>
-                  <!-- always clean, to ensure conf dir regenerated -->
-                  <goal>make-clean</goal>
+                  <goal>autoreconf</goal>
                   <goal>configure</goal>
+                  <goal>compile</goal>
                 </goals>
               </execution>
               <execution>
-                <id>install</id>
-                <phase>package</phase>
+                <id>make-test</id>
+                <phase>test</phase>
                 <configuration>
-                  <destDir>/</destDir>
                   <workDir>src/main/c/container-executor</workDir>
+                  <configureEnvironment>
+                    <property>
+                      <name>CFLAGS</name>
+                      <value>-DHADOOP_CONF_DIR=${container-executor.conf.dir}</value>
+                    </property>
+                  </configureEnvironment>
+                  <sources>
+                    <source>
+                      <directory>src/main/c/container-executor</directory>
+                    </source>
+                  </sources>
+                  <workDir>src/main/c/container-executor</workDir>
+                  <destDir>target</destDir>
+                  <prefix>${project.build.outputDirectory}</prefix>
+                  <compileTarget>check</compileTarget>
                 </configuration>
                 <goals>
-                  <goal>make-install</goal>
+                  <goal>compile</goal>
                 </goals>
               </execution>
             </executions>
@@ -145,8 +162,12 @@
         <configuration>
           <systemPropertyVariables>
             <property>
-              <name>container-executor-path</name>
-              <value></value>
+              <name>container-executor.path</name>
+              <value>${container-executor.path}</value>
+            </property>
+            <property>
+              <name>application.submitter</name>
+              <value>${application.submitter}</value>
             </property>
           </systemPropertyVariables>
           <excludes>

Modified: hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/.gitignore
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/.gitignore?rev=1180835&r1=1180834&r2=1180835&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/.gitignore
(original)
+++ hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/.gitignore
Mon Oct 10 09:20:49 2011
@@ -16,3 +16,6 @@ libtool
 missing
 container-executor
 test/.deps/
+test-task-controller
+test/.dirstamp
+test/test-task-controller.o

Modified: hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/Makefile.am
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/Makefile.am?rev=1180835&r1=1180834&r2=1180835&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/Makefile.am
(original)
+++ hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/Makefile.am
Mon Oct 10 09:20:49 2011
@@ -18,9 +18,9 @@ AM_CFLAGS=-I$(srcdir)/impl -Wall -g -Wer
 
 # Define the programs that need to be built
 bin_PROGRAMS = container-executor
-#check_PROGRAMS = test-task-controller
+check_PROGRAMS = test-task-controller
 
-#TESTS = test-task-controller
+TESTS = test-task-controller
 
 # Define the sources for the common files
 common_SOURCES = impl/configuration.c impl/container-executor.c
@@ -29,4 +29,4 @@ common_SOURCES = impl/configuration.c im
 container_executor_SOURCES = $(common_SOURCES) impl/main.c
 
 # Define the sources for the test executable
-#test_task_controller_SOURCES = $(common_SOURCES) test/test-task-controller.c
+test_task_controller_SOURCES = $(common_SOURCES) test/test-task-controller.c

Modified: hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/configure.ac
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/configure.ac?rev=1180835&r1=1180834&r2=1180835&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/configure.ac
(original)
+++ hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/configure.ac
Mon Oct 10 09:20:49 2011
@@ -18,7 +18,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.59)
-AC_INIT(linux-container-executor, 1.0.0, yarn-dev@yahoo-inc.com)
+AC_INIT(linux-container-executor, 1.0.0, mapreduce-dev@hadoop.apache.org)
 AC_GNU_SOURCE
 #AC_SYS_LARGEFILE
 

Modified: hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/impl/container-executor.c
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/impl/container-executor.c?rev=1180835&r1=1180834&r2=1180835&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/impl/container-executor.c
(original)
+++ hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/impl/container-executor.c
Mon Oct 10 09:20:49 2011
@@ -425,6 +425,7 @@ static struct passwd* get_user_info(cons
 struct passwd* check_user(const char *user) {
   if (strcmp(user, "root") == 0) {
     fprintf(LOGFILE, "Running as root is not allowed\n");
+    fflush(LOGFILE);
     return NULL;
   }
   char *min_uid_str = get_value(MIN_USERID_KEY);
@@ -435,6 +436,7 @@ struct passwd* check_user(const char *us
     if (min_uid_str == end_ptr || *end_ptr != '\0') {
       fprintf(LOGFILE, "Illegal value of %s for %s in configuration\n", 
 	      min_uid_str, MIN_USERID_KEY);
+      fflush(LOGFILE);
       free(min_uid_str);
       return NULL;
     }
@@ -443,11 +445,13 @@ struct passwd* check_user(const char *us
   struct passwd *user_info = get_user_info(user);
   if (NULL == user_info) {
     fprintf(LOGFILE, "User %s not found\n", user);
+    fflush(LOGFILE);
     return NULL;
   }
   if (user_info->pw_uid < min_uid) {
     fprintf(LOGFILE, "Requested user %s has id %d, which is below the "
 	    "minimum allowed %d\n", user, user_info->pw_uid, min_uid);
+    fflush(LOGFILE);
     free(user_info);
     return NULL;
   }
@@ -516,8 +520,13 @@ int create_directory_for_user(const char
   mode_t permissions = S_IRWXU | S_IRGRP | S_IXGRP | S_ISGID;
   uid_t user = geteuid();
   gid_t group = getegid();
+  uid_t root = 0;
   int ret = 0;
-  ret = change_effective_user(0, tt_gid);
+
+  if(getuid() == root) {
+    ret = change_effective_user(root, tt_gid);
+  }
+
   if (ret == 0) {
     if (0 == mkdir(path, permissions) || EEXIST == errno) {
       // need to reassert the group sticky bit
@@ -537,6 +546,8 @@ int create_directory_for_user(const char
     }
   }
   if (change_effective_user(user, group) != 0) {
+    fprintf(LOGFILE, "Failed to change user to %i - %i\n", user, group);
+ 
     ret = -1;
   }
   return ret;

Modified: hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/impl/container-executor.h
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/impl/container-executor.h?rev=1180835&r1=1180834&r2=1180835&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/impl/container-executor.h
(original)
+++ hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/impl/container-executor.h
Mon Oct 10 09:20:49 2011
@@ -68,7 +68,7 @@ enum errorcodes {
 
 extern struct passwd *user_detail;
 
-// the log file for error messages
+// the log file for messages
 extern FILE *LOGFILE;
 
 // get the executable's filename
@@ -76,11 +76,6 @@ char* get_executable();
 
 int check_taskcontroller_permissions(char *executable_file);
 
-/**
- * delete a given log directory as a user
- */
-int delete_log_directory(const char *log_dir);
-
 // initialize the job directory
 int initialize_job(const char *user, const char *jobid,
                    const char *credentials, char* const* args);
@@ -137,9 +132,6 @@ char *get_task_credentials_file(const ch
  */
 char* get_job_log_directory(const char* log_root, const char* jobid);
 
-char *get_task_log_dir(const char *log_dir, const char *job_id, 
-                       const char *attempt_id);
-
 /**
  * Ensure that the given path and all of the parent directories are created
  * with the desired permissions.

Modified: hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/impl/main.c
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/impl/main.c?rev=1180835&r1=1180834&r2=1180835&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/impl/main.c
(original)
+++ hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/impl/main.c
Mon Oct 10 09:20:49 2011
@@ -77,6 +77,7 @@ int main(int argc, char **argv) {
 
   if (conf_file == NULL) {
     fprintf(LOGFILE, "Configuration file %s not found.\n", orig_conf_file);
+    fflush(LOGFILE);
     return INVALID_CONFIG_FILE;
   }
   if (check_configuration_permissions(conf_file) != 0) {
@@ -89,12 +90,14 @@ int main(int argc, char **argv) {
   char *tt_group = get_value(TT_GROUP_KEY);
   if (tt_group == NULL) {
     fprintf(LOGFILE, "Can't get configured value for %s.\n", TT_GROUP_KEY);
+    fflush(LOGFILE);
     exit(INVALID_CONFIG_FILE);
   }
   struct group *group_info = getgrnam(tt_group);
   if (group_info == NULL) {
     fprintf(LOGFILE, "Can't get group information for %s - %s.\n", tt_group,
             strerror(errno));
+    fflush(LOGFILE);
     exit(INVALID_CONFIG_FILE);
   }
   set_tasktracker_uid(getuid(), group_info->gr_gid);
@@ -105,19 +108,21 @@ int main(int argc, char **argv) {
 
   if (check_taskcontroller_permissions(executable_file) != 0) {
     fprintf(LOGFILE, "Invalid permissions on container-executor binary.\n");
+    fflush(LOGFILE);
     return INVALID_TASKCONTROLLER_PERMISSIONS;
   }
 
   //checks done for user name
   if (argv[optind] == NULL) {
     fprintf(LOGFILE, "Invalid user name \n");
+    fflush(LOGFILE);
     return INVALID_USER_NAME;
   }
   int ret = set_user(argv[optind]);
   if (ret != 0) {
     return ret;
   }
-
+ 
   optind = optind + 1;
   command = atoi(argv[optind++]);
 

Modified: hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/test/test-task-controller.c
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/test/test-task-controller.c?rev=1180835&r1=1180834&r2=1180835&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/test/test-task-controller.c
(original)
+++ hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/test/test-task-controller.c
Mon Oct 10 09:20:49 2011
@@ -16,7 +16,7 @@
  * limitations under the License.
  */
 #include "configuration.h"
-#include "task-controller.h"
+#include "container-executor.h"
 
 #include <errno.h>
 #include <fcntl.h>
@@ -95,6 +95,12 @@ int write_config_file(char *file_name) {
     fprintf(file, "," TEST_ROOT "/local-%d", i);
   }
   fprintf(file, "\n");
+  fprintf(file, "mapreduce.cluster.local.dir=" TEST_ROOT "/local-1");
+  for(i=2; i < 5; ++i) {
+    fprintf(file, "," TEST_ROOT "/local-%d", i);
+  }
+  fprintf(file, "\n");
+ 
   fprintf(file, "hadoop.log.dir=" TEST_ROOT "/logs\n");
   fclose(file);
   return 0;
@@ -110,7 +116,7 @@ void create_tt_roots() {
       exit(1);
     }
     char buffer[100000];
-    sprintf(buffer, "%s/taskTracker", *tt_root);
+    sprintf(buffer, "%s/usercache", *tt_root);
     if (mkdir(buffer, 0755) != 0) {
       printf("FAIL: Can't create directory %s - %s\n", buffer,
 	     strerror(errno));
@@ -122,19 +128,20 @@ void create_tt_roots() {
 
 void test_get_user_directory() {
   char *user_dir = get_user_directory("/tmp", "user");
-  char *expected = "/tmp/taskTracker/user";
+  char *expected = "/tmp/usercache/user";
   if (strcmp(user_dir, expected) != 0) {
-    printf("test_get_user_directory expected %s got %s\n", user_dir, expected);
+    printf("test_get_user_directory expected %s got %s\n", expected, user_dir);
     exit(1);
   }
   free(user_dir);
 }
 
 void test_get_job_directory() {
-  char *expected = "/tmp/taskTracker/user/appcache/job_200906101234_0001";
+  char *expected = "/tmp/usercache/user/appcache/job_200906101234_0001";
   char *job_dir = (char *) get_job_directory("/tmp", "user",
       "job_200906101234_0001");
   if (strcmp(job_dir, expected) != 0) {
+    printf("test_get_job_directory expected %s got %s\n", expected, job_dir);
     exit(1);
   }
   free(job_dir);
@@ -143,17 +150,18 @@ void test_get_job_directory() {
 void test_get_attempt_directory() {
   char *attempt_dir = get_attempt_work_directory("/tmp", "owen", "job_1",
 						 "attempt_1");
-  char *expected = "/tmp/taskTracker/owen/appcache/job_1/attempt_1/work";
+  char *expected = "/tmp/usercache/owen/appcache/job_1/attempt_1";
   if (strcmp(attempt_dir, expected) != 0) {
     printf("Fail get_attempt_work_directory got %s expected %s\n",
 	   attempt_dir, expected);
+    exit(1);
   }
   free(attempt_dir);
 }
 
 void test_get_task_launcher_file() {
-  char *expected_file = ("/tmp/taskTracker/user/appcache/job_200906101234_0001"
-			 "/taskjvm.sh");
+  char *expected_file = ("/tmp/usercache/user/appcache/job_200906101234_0001"
+			 "/task.sh");
   char *job_dir = get_job_directory("/tmp", "user",
                                     "job_200906101234_0001");
   char *task_file =  get_task_launcher_file(job_dir);
@@ -168,7 +176,7 @@ void test_get_task_launcher_file() {
 
 void test_get_job_log_dir() {
   char *expected = TEST_ROOT "/logs/userlogs/job_200906101234_0001";
-  char *logdir = get_job_log_directory("job_200906101234_0001");
+  char *logdir = get_job_log_directory(TEST_ROOT "/logs/userlogs","job_200906101234_0001");
   if (strcmp(logdir, expected) != 0) {
     printf("Fail get_job_log_dir got %s expected %s\n", logdir, expected);
     exit(1);
@@ -176,15 +184,6 @@ void test_get_job_log_dir() {
   free(logdir);
 }
 
-void test_get_task_log_dir() {
-  char *logdir = get_job_log_directory("job_5/task_4");
-  char *expected = TEST_ROOT "/logs/userlogs/job_5/task_4";
-  if (strcmp(logdir, expected) != 0) {
-    printf("FAIL: get_task_log_dir expected %s got %s\n", logdir, expected);
-  }
-  free(logdir);
-}
-
 void test_check_user() {
   printf("\nTesting test_check_user\n");
   struct passwd *user = check_user(username);
@@ -221,7 +220,7 @@ void test_check_configuration_permission
 
 void test_delete_task() {
   if (initialize_user(username)) {
-    printf("FAIL: failed to initialized user %s\n", username);
+    printf("FAIL: failed to initialize user %s\n", username);
     exit(1);
   }
   char* job_dir = get_job_directory(TEST_ROOT "/local-2", username, "job_1");
@@ -254,7 +253,8 @@ void test_delete_task() {
   run(buffer);
 
   // delete task directory
-  int ret = delete_as_user(username, "appcache/job_1/task_1");
+  char * dirs[] = {job_dir, 0};
+  int ret = delete_as_user(username, "task_1" , dirs);
   if (ret != 0) {
     printf("FAIL: return code from delete_as_user is %d\n", ret);
     exit(1);
@@ -315,7 +315,7 @@ void test_delete_job() {
   run(buffer);
 
   // delete task directory
-  int ret = delete_as_user(username, "appcache/job_2");
+  int ret = delete_as_user(username, job_dir, NULL);
   if (ret != 0) {
     printf("FAIL: return code from delete_as_user is %d\n", ret);
     exit(1);
@@ -349,12 +349,12 @@ void test_delete_user() {
     exit(1);
   }
   char buffer[100000];
-  sprintf(buffer, "%s/local-1/taskTracker/%s", TEST_ROOT, username);
+  sprintf(buffer, "%s/local-1/usercache/%s", TEST_ROOT, username);
   if (access(buffer, R_OK) != 0) {
     printf("FAIL: directory missing before test\n");
     exit(1);
   }
-  if (delete_as_user(username, "") != 0) {
+  if (delete_as_user(username, buffer, NULL) != 0) {
     exit(1);
   }
   if (access(buffer, R_OK) == 0) {
@@ -368,50 +368,6 @@ void test_delete_user() {
   free(job_dir);
 }
 
-void test_delete_log_directory() {
-  printf("\nTesting delete_log_directory\n");
-  char *job_log_dir = get_job_log_directory("job_1");
-  if (job_log_dir == NULL) {
-    exit(1);
-  }
-  if (create_directory_for_user(job_log_dir) != 0) {
-    exit(1);
-  }
-  free(job_log_dir);
-  char *task_log_dir = get_job_log_directory("job_1/task_2");
-  if (task_log_dir == NULL) {
-    exit(1);
-  }
-  if (mkdirs(task_log_dir, 0700) != 0) {
-    exit(1);
-  }
-  if (access(TEST_ROOT "/logs/userlogs/job_1/task_2", R_OK) != 0) {
-    printf("FAIL: can't access task directory - %s\n", strerror(errno));
-    exit(1);
-  }
-  if (delete_log_directory("job_1/task_2") != 0) {
-    printf("FAIL: can't delete task directory\n");
-    exit(1);
-  }
-  if (access(TEST_ROOT "/logs/userlogs/job_1/task_2", R_OK) == 0) {
-    printf("FAIL: task directory not deleted\n");
-    exit(1);
-  }
-  if (access(TEST_ROOT "/logs/userlogs/job_1", R_OK) != 0) {
-    printf("FAIL: job directory not deleted - %s\n", strerror(errno));
-    exit(1);
-  }
-  if (delete_log_directory("job_1") != 0) {
-    printf("FAIL: can't delete task directory\n");
-    exit(1);
-  }
-  if (access(TEST_ROOT "/logs/userlogs/job_1", R_OK) == 0) {
-    printf("FAIL: job directory not deleted\n");
-    exit(1);
-  }
-  free(task_log_dir);
-}
-
 void run_test_in_child(const char* test_name, void (*func)()) {
   printf("\nRunning test %s in child process\n", test_name);
   fflush(stdout);
@@ -558,8 +514,7 @@ void test_init_job() {
     exit(1);
   } else if (child == 0) {
     char *final_pgm[] = {"touch", "my-touch-file", 0};
-    if (initialize_job(username, "job_4", TEST_ROOT "/creds.txt", 
-                       TEST_ROOT "/job.xml", final_pgm) != 0) {
+    if (initialize_job(username, "job_4", TEST_ROOT "/creds.txt", final_pgm) != 0) {
       printf("FAIL: failed in child\n");
       exit(42);
     }
@@ -593,7 +548,7 @@ void test_init_job() {
     exit(1);
   }
   free(job_dir);
-  job_dir = get_job_log_directory("job_4");
+  job_dir = get_job_log_directory("logs","job_4");
   if (access(job_dir, R_OK) != 0) {
     printf("FAIL: failed to create job log directory %s\n", job_dir);
     exit(1);
@@ -607,6 +562,20 @@ void test_run_task() {
     printf("FAIL: seteuid to root failed - %s\n", strerror(errno));
     exit(1);
   }
+  FILE* creds = fopen(TEST_ROOT "/creds.txt", "w");
+  if (creds == NULL) {
+    printf("FAIL: failed to create credentials file - %s\n", strerror(errno));
+    exit(1);
+  }
+  if (fprintf(creds, "secret key\n") < 0) {
+    printf("FAIL: fprintf failed - %s\n", strerror(errno));
+    exit(1);
+  }
+  if (fclose(creds) != 0) {
+    printf("FAIL: fclose failed - %s\n", strerror(errno));
+    exit(1);
+  }
+
   const char* script_name = TEST_ROOT "/task-script";
   FILE* script = fopen(script_name, "w");
   if (script == NULL) {
@@ -638,7 +607,7 @@ void test_run_task() {
     exit(1);
   } else if (child == 0) {
     if (run_task_as_user(username, "job_4", "task_1", 
-                         task_dir, script_name) != 0) {
+                         task_dir, script_name, TEST_ROOT "creds.txt") != 0) {
       printf("FAIL: failed in child\n");
       exit(42);
     }
@@ -666,7 +635,7 @@ void test_run_task() {
     exit(1);
   }
   free(task_dir);
-  task_dir = get_job_log_directory("job_4/task_1");
+  task_dir = get_job_log_directory("logs", "job_4/task_1");
   if (access(task_dir, R_OK) != 0) {
     printf("FAIL: failed to create job log directory %s\n", task_dir);
     exit(1);
@@ -723,9 +692,6 @@ int main(int argc, char **argv) {
 
   test_check_configuration_permissions();
 
-  printf("\nTesting get_task_log_dir()\n");
-  test_get_task_log_dir();
-
   printf("\nTesting delete_task()\n");
   test_delete_task();
 
@@ -736,8 +702,6 @@ int main(int argc, char **argv) {
 
   test_check_user();
 
-  test_delete_log_directory();
-
   // the tests that change user need to be run in a subshell, so that
   // when they change user they don't give up our privs
   run_test_in_child("test_signal_task", test_signal_task);

Modified: hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java?rev=1180835&r1=1180834&r2=1180835&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java
(original)
+++ hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java
Mon Oct 10 09:20:49 2011
@@ -169,11 +169,10 @@ public class LinuxContainerExecutor exte
     launchCommandObjs.put(containerId, shExec);
     // DEBUG
     LOG.info("launchContainer: " + Arrays.toString(commandArray));
-    String output = shExec.getOutput();
     try {
       shExec.execute();
       if (LOG.isDebugEnabled()) {
-        logOutput(output);
+        logOutput(shExec.getOutput());
       }
     } catch (ExitCodeException e) {
       int exitCode = shExec.getExitCode();
@@ -183,9 +182,9 @@ public class LinuxContainerExecutor exte
       // container-executor's output
       if (exitCode != 143 && exitCode != 137) {
         LOG.warn("Exception from container-launch : ", e);
-        logOutput(output);
+        logOutput(shExec.getOutput());
         String diagnostics = "Exception from container-launch: \n"
-            + StringUtils.stringifyException(e) + "\n" + output;
+            + StringUtils.stringifyException(e) + "\n" + shExec.getOutput();
         container.handle(new ContainerDiagnosticsUpdateEvent(containerId,
             diagnostics));
       } else {
@@ -198,7 +197,7 @@ public class LinuxContainerExecutor exte
     }
     if (LOG.isDebugEnabled()) {
       LOG.debug("Output from LinuxContainerExecutor's launchContainer follows:");
-      logOutput(output);
+      logOutput(shExec.getOutput());
     }
     return 0;
   }

Modified: hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestLinuxContainerExecutor.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestLinuxContainerExecutor.java?rev=1180835&r1=1180834&r2=1180835&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestLinuxContainerExecutor.java
(original)
+++ hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestLinuxContainerExecutor.java
Mon Oct 10 09:20:49 2011
@@ -18,151 +18,228 @@
 
 package org.apache.hadoop.yarn.server.nodemanager;
 
-import java.io.BufferedReader;
+import static junit.framework.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
 import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileReader;
+import java.io.FileOutputStream;
 import java.io.IOException;
-
-import junit.framework.Assert;
+import java.io.PrintWriter;
+import java.util.HashMap;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileContext;
 import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.fs.UnsupportedFileSystemException;
-import org.apache.hadoop.security.AccessControlException;
+import org.apache.hadoop.yarn.api.records.ContainerId;
+import org.apache.hadoop.yarn.api.records.ContainerLaunchContext;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor.Signal;
+import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
+/**
+ * This is intended to test the LinuxContainerExecutor code, but because of
+ * some security restrictions this can only be done with some special setup
+ * first.
+ * <br><ol>
+ * <li>Compile the code with container-executor.conf.dir set to the location you
+ * want for testing.
+ * <br><pre><code>
+ * > mvn clean install -Dcontainer-executor.conf.dir=/etc/hadoop -DskipTests
+ * </code></pre>
+ * 
+ * <li>Set up <code>${container-executor.conf.dir}/taskcontroller.cfg</code>
+ * taskcontroller.cfg needs to be owned by root and have in it the proper
+ * config values.
+ * <br><pre><code>
+ * > cat /etc/hadoop/taskcontroller.cfg
+ * mapreduce.cluster.local.dir=/tmp/hadoop/nm-local/
+ * hadoop.log.dir=/tmp/hadoop/nm-log
+ * mapreduce.tasktracker.group=mapred
+ * #depending on the user id of the application.submitter option
+ * min.user.id=1
+ * > sudo chown root:root /etc/hadoop/taskcontroller.cfg
+ * > sudo chmod 444 /etc/hadoop/taskcontroller.cfg
+ * </code></pre>
+ * 
+ * <li>iMove the binary and set proper permissions on it. It needs to be owned 
+ * by root, the group needs to be the group configured in taskcontroller.cfg, 
+ * and it needs the setuid bit set. (The build will also overwrite it so you
+ * need to move it to a place that you can support it. 
+ * <br><pre><code>
+ * > cp ./hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/c/container-executor/container-executor
/tmp/
+ * > sudo chown root:mapred /tmp/container-executor
+ * > sudo chmod 4550 /tmp/container-executor
+ * </code></pre>
+ * 
+ * <li>Run the tests with the execution enabled (The user you run the tests as
+ * needs to be part of the group from the config.
+ * <br><pre><code>
+ * mvn test -Dtest=TestLinuxContainerExecutor -Dapplication.submitter=nobody -Dcontainer-executor.path=/tmp/container-executor
+ * </code></pre>
+ * </ol>
+ */
 public class TestLinuxContainerExecutor {
-//
-//  private static final Log LOG = LogFactory
-//      .getLog(TestLinuxContainerExecutor.class);
-//
-//  // TODO: FIXME
-//  private static File workSpace = new File("target",
-//      TestLinuxContainerExecutor.class.getName() + "-workSpace");
-//
-//  @Before
-//  public void setup() throws IOException {
-//    FileContext.getLocalFSFileContext().mkdir(
-//        new Path(workSpace.getAbsolutePath()), null, true);
-//    workSpace.setReadable(true, false);
-//    workSpace.setExecutable(true, false);
-//    workSpace.setWritable(true, false);
-//  }
-//
-//  @After
-//  public void tearDown() throws AccessControlException, FileNotFoundException,
-//      UnsupportedFileSystemException, IOException {
-//    FileContext.getLocalFSFileContext().delete(
-//        new Path(workSpace.getAbsolutePath()), true);
-//  }
-//
+  private static final Log LOG = LogFactory
+      .getLog(TestLinuxContainerExecutor.class);
+  
+  private static File workSpace = new File("target",
+      TestLinuxContainerExecutor.class.getName() + "-workSpace");
+  
+  private LinuxContainerExecutor exec = null;
+  private String appSubmitter = null;
+
+  @Before
+  public void setup() throws Exception {
+    FileContext.getLocalFSFileContext().mkdir(
+        new Path(workSpace.getAbsolutePath()), null, true);
+    workSpace.setReadable(true, false);
+    workSpace.setExecutable(true, false);
+    workSpace.setWritable(true, false);
+    String exec_path = System.getProperty("container-executor.path");
+    if(exec_path != null && !exec_path.isEmpty()) {
+      Configuration conf = new Configuration(false);
+      LOG.info("Setting "+YarnConfiguration.NM_LINUX_CONTAINER_EXECUTOR_PATH
+          +"="+exec_path);
+      conf.set(YarnConfiguration.NM_LINUX_CONTAINER_EXECUTOR_PATH, exec_path);
+      exec = new LinuxContainerExecutor();
+      exec.setConf(conf);
+    }
+    appSubmitter = System.getProperty("application.submitter");
+    if(appSubmitter == null || appSubmitter.isEmpty()) {
+      appSubmitter = "nobody";
+    }
+  }
+
+  @After
+  public void tearDown() throws Exception {
+    FileContext.getLocalFSFileContext().delete(
+        new Path(workSpace.getAbsolutePath()), true);
+  }
+
+  private boolean shouldRun() {
+    if(exec == null) {
+      LOG.warn("Not running test because container-executor.path is not set");
+      return false;
+    }
+    return true;
+  }
+  
+  private String writeScriptFile(String ... cmd) throws IOException {
+    File f = File.createTempFile("TestLinuxContainerExecutor", ".sh");
+    f.deleteOnExit();
+    PrintWriter p = new PrintWriter(new FileOutputStream(f));
+    p.println("#!/bin/sh");
+    p.print("exec");
+    for(String part: cmd) {
+      p.print(" '");
+      p.print(part.replace("\\", "\\\\").replace("'", "\\'"));
+      p.print("'");
+    }
+    p.println();
+    p.close();
+    return f.getAbsolutePath();
+  }
+  
+  private int id = 0;
+  private synchronized int getNextId() {
+    id += 1;
+    return id;
+  }
+  
+  private ContainerId getNextContainerId() {
+    ContainerId cId = mock(ContainerId.class);
+    String id = "CONTAINER_"+getNextId();
+    when(cId.toString()).thenReturn(id);
+    return cId;
+  }
+  
+
+  private int runAndBlock(String ... cmd) throws IOException {
+    return runAndBlock(getNextContainerId(), cmd);
+  }
+  
+  private int runAndBlock(ContainerId cId, String ... cmd) throws IOException {
+    String appId = "APP_"+getNextId();
+    Container container = mock(Container.class);
+    ContainerLaunchContext context = mock(ContainerLaunchContext.class);
+    HashMap<String, String> env = new HashMap<String,String>();
+
+    when(container.getContainerID()).thenReturn(cId);
+    when(container.getLaunchContext()).thenReturn(context);
+
+    when(context.getEnvironment()).thenReturn(env);
+    
+    String script = writeScriptFile(cmd);
+
+    Path scriptPath = new Path(script);
+    Path tokensPath = new Path("/dev/null");
+    Path workDir = new Path(workSpace.getAbsolutePath());
+    
+    return exec.launchContainer(container, scriptPath, tokensPath,
+        appSubmitter, appId, workDir);
+  }
+  
+  
+  @Test
+  public void testContainerLaunch() throws IOException {
+    if (!shouldRun()) {
+      return;
+    }
+
+    File touchFile = new File(workSpace, "touch-file");
+    int ret = runAndBlock("touch", touchFile.getAbsolutePath());
+    
+    assertEquals(0, ret);
+    FileStatus fileStatus = FileContext.getLocalFSFileContext().getFileStatus(
+          new Path(touchFile.getAbsolutePath()));
+    assertEquals(appSubmitter, fileStatus.getOwner());
+  }
+
   @Test
-  public void testCommandFilePreparation() throws IOException {
-//    LinuxContainerExecutor executor = new LinuxContainerExecutor(new String[] {
-//        "/bin/echo", "hello" }, null, null, "nobody"); // TODO: fix user name
-//    executor.prepareCommandFile(workSpace.getAbsolutePath());
-//
-//    // Now verify the contents of the commandFile
-//    File commandFile = new File(workSpace, LinuxContainerExecutor.COMMAND_FILE);
-//    BufferedReader reader = new BufferedReader(new FileReader(commandFile));
-//    Assert.assertEquals("/bin/echo hello", reader.readLine());
-//    Assert.assertEquals(null, reader.readLine());
-//    Assert.assertTrue(commandFile.canExecute());
-  }
-//
-//  @Test
-//  public void testContainerLaunch() throws IOException {
-//    String containerExecutorPath = System
-//        .getProperty("container-executor-path");
-//    if (containerExecutorPath == null || containerExecutorPath.equals("")) {
-//      LOG.info("Not Running test for lack of container-executor-path");
-//      return;
-//    }
-//
-//    String applicationSubmitter = "nobody";
-//
-//    File touchFile = new File(workSpace, "touch-file");
-//    LinuxContainerExecutor executor = new LinuxContainerExecutor(new String[] {
-//        "touch", touchFile.getAbsolutePath() }, workSpace, null,
-//        applicationSubmitter);
-//    executor.setCommandExecutorPath(containerExecutorPath);
-//    executor.execute();
-//
-//    FileStatus fileStatus = FileContext.getLocalFSFileContext().getFileStatus(
-//        new Path(touchFile.getAbsolutePath()));
-//    Assert.assertEquals(applicationSubmitter, fileStatus.getOwner());
-//  }
-//
-//  @Test
-//  public void testContainerKill() throws IOException, InterruptedException,
-//      IllegalArgumentException, SecurityException, IllegalAccessException,
-//      NoSuchFieldException {
-//    String containerExecutorPath = System
-//        .getProperty("container-executor-path");
-//    if (containerExecutorPath == null || containerExecutorPath.equals("")) {
-//      LOG.info("Not Running test for lack of container-executor-path");
-//      return;
-//    }
-//
-//    String applicationSubmitter = "nobody";
-//    final LinuxContainerExecutor executor = new LinuxContainerExecutor(
-//        new String[] { "sleep", "100" }, workSpace, null, applicationSubmitter);
-//    executor.setCommandExecutorPath(containerExecutorPath);
-//    new Thread() {
-//      public void run() {
-//        try {
-//          executor.execute();
-//        } catch (IOException e) {
-//          // TODO Auto-generated catch block
-//          e.printStackTrace();
-//        }
-//      };
-//    }.start();
-//
-//    String pid;
-//    while ((pid = executor.getPid()) == null) {
-//      LOG.info("Sleeping for 5 seconds before checking if "
-//          + "the process is alive.");
-//      Thread.sleep(5000);
-//    }
-//    LOG.info("Going to check the liveliness of the process with pid " + pid);
-//
-//    LinuxContainerExecutor checkLiveliness = new LinuxContainerExecutor(
-//        new String[] { "kill", "-0", "-" + pid }, workSpace, null,
-//        applicationSubmitter);
-//    checkLiveliness.setCommandExecutorPath(containerExecutorPath);
-//    checkLiveliness.execute();
-//
-//    LOG.info("Process is alive. "
-//        + "Sleeping for 5 seconds before killing the process.");
-//    Thread.sleep(5000);
-//    LOG.info("Going to killing the process.");
-//
-//    executor.kill();
-//
-//    LOG.info("Sleeping for 5 seconds before checking if "
-//        + "the process is alive.");
-//    Thread.sleep(5000);
-//    LOG.info("Going to check the liveliness of the process.");
-//
-//    // TODO: fix
-//    checkLiveliness = new LinuxContainerExecutor(new String[] { "kill", "-0",
-//        "-" + pid }, workSpace, null, applicationSubmitter);
-//    checkLiveliness.setCommandExecutorPath(containerExecutorPath);
-//    boolean success = false;
-//    try {
-//      checkLiveliness.execute();
-//      success = true;
-//    } catch (IOException e) {
-//      success = false;
-//    }
-//
-//    Assert.assertFalse(success);
-//  }
-}
\ No newline at end of file
+  public void testContainerKill() throws Exception {
+    if (!shouldRun()) {
+      return;
+    }
+    
+    final ContainerId sleepId = getNextContainerId();   
+    Thread t = new Thread() {
+      public void run() {
+        try {
+          runAndBlock(sleepId, "sleep", "100");
+        } catch (IOException e) {
+          LOG.warn("Caught exception while running sleep",e);
+        }
+      };
+    };
+    t.setDaemon(true); //If it does not exit we shouldn't block the test.
+    t.start();
+
+    assertTrue(t.isAlive());
+   
+    String pid = null;
+    int count = 10;
+    while ((pid = exec.getProcessId(sleepId)) == null && count > 0) {
+      LOG.info("Sleeping for 200 ms before checking for pid ");
+      Thread.sleep(200);
+      count--;
+    }
+    assertNotNull(pid);
+
+    LOG.info("Going to killing the process.");
+    exec.signalContainer(appSubmitter, pid, Signal.TERM);
+    LOG.info("sleeping for 100ms to let the sleep be killed");
+    Thread.sleep(100);
+    
+    assertFalse(t.isAlive());
+  }
+}



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