Author: tucu
Date: Wed May 2 22:53:50 2012
New Revision: 1333241
URL: http://svn.apache.org/viewvc?rev=1333241&view=rev
Log:
MAPREDUCE-4219. make default container-executor.conf.dir be a path relative to
the container-executor binary. (rvs via tucu)
Modified:
hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/pom.xml
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/configuration.c
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/configuration.h
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/main.c
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/test/test-container-executor.c
Modified: hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
URL:
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt?rev=1333241&r1=1333240&r2=1333241&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt Wed May 2
22:53:50 2012
@@ -160,6 +160,9 @@ Release 2.0.0 - UNRELEASED
MAPREDUCE-3883. Document yarn.nodemanager.delete.debug-delay-sec
configuration property (Eugene Koontz via tgraves)
+ MAPREDUCE-4219. make default container-executor.conf.dir be a path
+ relative to the container-executor binary. (rvs via tucu)
+
OPTIMIZATIONS
BUG FIXES
Modified:
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/pom.xml
URL:
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/pom.xml?rev=1333241&r1=1333240&r2=1333241&view=diff
==============================================================================
---
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/pom.xml
(original)
+++
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/pom.xml
Wed May 2 22:53:50 2012
@@ -27,7 +27,7 @@
<properties>
<!-- Basedir eeded for generating FindBugs warnings using parent pom -->
<yarn.basedir>${project.parent.parent.basedir}</yarn.basedir>
- <container-executor.conf.dir>/etc/hadoop</container-executor.conf.dir>
+ <container-executor.conf.dir>../etc/hadoop</container-executor.conf.dir>
<container-executor.additional_cflags></container-executor.additional_cflags>
</properties>
Modified:
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/configuration.c
URL:
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/configuration.c?rev=1333241&r1=1333240&r2=1333241&view=diff
==============================================================================
---
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/configuration.c
(original)
+++
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/configuration.c
Wed May 2 22:53:50 2012
@@ -29,6 +29,7 @@
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
+#include <limits.h>
#define MAX_SIZE 10
@@ -87,6 +88,25 @@ static int is_only_root_writable(const c
}
/**
+ * Return a string with the configuration file path name resolved via
realpath(3)
+ *
+ * NOTE: relative path names are resolved relative to the second argument not
getwd(3)
+ */
+char *resolve_config_path(const char* file_name, const char *root) {
+ const char *real_fname = NULL;
+ char buffer[PATH_MAX*2 + 1];
+
+ if (file_name[0] == '/') {
+ real_fname = file_name;
+ } else if (realpath(root, buffer) != NULL) {
+ strncpy(strrchr(buffer, '/') + 1, file_name, PATH_MAX);
+ real_fname = buffer;
+ }
+
+ return (real_fname == NULL) ? NULL : realpath(real_fname, NULL);
+}
+
+/**
* Ensure that the configuration file and all of the containing directories
* are only writable by root. Otherwise, an attacker can change the
* configuration and potentially cause damage.
Modified:
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/configuration.h
URL:
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/configuration.h?rev=1333241&r1=1333240&r2=1333241&view=diff
==============================================================================
---
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/configuration.h
(original)
+++
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/configuration.h
Wed May 2 22:53:50 2012
@@ -24,6 +24,13 @@
*/
int check_configuration_permissions(const char* file_name);
+/**
+ * Return a string with the configuration file path name resolved via
realpath(3)
+ *
+ * NOTE: relative path names are resolved relative to the second argument not
getwd(3)
+ */
+char *resolve_config_path(const char* file_name, const char *root);
+
// read the given configuration file
void read_config(const char* config_file);
Modified:
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/main.c
URL:
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/main.c?rev=1333241&r1=1333240&r2=1333241&view=diff
==============================================================================
---
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/main.c
(original)
+++
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/main.c
Wed May 2 22:53:50 2012
@@ -33,6 +33,12 @@
#define STRINGIFY(X) _STRINGIFY(X)
#define CONF_FILENAME "container-executor.cfg"
+// When building as part of a Maven build this value gets defined by using
+// container-executor.conf.dir property. See:
+// hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/pom.xml
+// for details.
+// NOTE: if this ends up being a relative path it gets resolved relative to
+// the location of the container-executor binary itself, not getwd(3)
#ifndef HADOOP_CONF_DIR
#error HADOOP_CONF_DIR must be defined
#endif
@@ -96,7 +102,7 @@ int main(int argc, char **argv) {
char *executable_file = get_executable();
char *orig_conf_file = STRINGIFY(HADOOP_CONF_DIR) "/" CONF_FILENAME;
- char *conf_file = realpath(orig_conf_file, NULL);
+ char *conf_file = resolve_config_path(orig_conf_file, argv[0]);
char *local_dirs, *log_dirs;
if (conf_file == NULL) {
Modified:
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/test/test-container-executor.c
URL:
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/test/test-container-executor.c?rev=1333241&r1=1333240&r2=1333241&view=diff
==============================================================================
---
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/test/test-container-executor.c
(original)
+++
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/test/test-container-executor.c
Wed May 2 22:53:50 2012
@@ -196,6 +196,18 @@ void test_check_user() {
}
}
+void test_resolve_config_path() {
+ printf("\nTesting resolve_config_path\n");
+ if (strcmp(resolve_config_path("/etc/passwd", NULL), "/etc/passwd") != 0) {
+ printf("FAIL: failed to resolve config_name on an absolute path name:
/etc/passwd\n");
+ exit(1);
+ }
+ if (strcmp(resolve_config_path("../etc/passwd", "/etc/passwd"),
"/etc/passwd") != 0) {
+ printf("FAIL: failed to resolve config_name on a relative path name:
../etc/passwd (relative to /etc/passwd)");
+ exit(1);
+ }
+}
+
void test_check_configuration_permissions() {
printf("\nTesting check_configuration_permissions\n");
if (check_configuration_permissions("/etc/passwd") != 0) {
@@ -668,7 +680,9 @@ int main(int argc, char **argv) {
int my_username = 0;
// clean up any junk from previous run
- system("chmod -R u=rwx " TEST_ROOT "; rm -fr " TEST_ROOT);
+ if (system("chmod -R u=rwx " TEST_ROOT "; rm -fr " TEST_ROOT)) {
+ exit(1);
+ }
if (mkdirs(TEST_ROOT "/logs/userlogs", 0755) != 0) {
exit(1);
@@ -700,6 +714,9 @@ int main(int argc, char **argv) {
printf("\nStarting tests\n");
+ printf("\nTesting resolve_config_path()\n");
+ test_resolve_config_path();
+
printf("\nTesting get_user_directory()\n");
test_get_user_directory();
