SERVER-9032: Validate locale on startup

On some Linux machines, users may have not have a locale set which will
cause boost to fail. Validate that the user has a locale set, and if not,
give a useful error message, and exit.

(cherry picked from commit ff70eb640552c049538a03d174edbc2c0311c8bd)

4 files changed, 57 insertions, 2 deletions

diff --git a/src/mongo/base/SConscript b/src/mongo/base/SConscript
index f6c7a18b329..5b712bba073 100644
--- a/src/mongo/base/SConscript
+++ b/src/mongo/base/SConscript
@@ -12,6 +12,7 @@ env.Library('base', ['error_codes.cpp',
                      'initializer.cpp',
                      'initializer_context.cpp',
                      'initializer_dependency_graph.cpp',
+                     'validate_locale.cpp',
                      'make_string_vector.cpp',
                      'parse_number.cpp',
                      'status.cpp',
diff --git a/src/mongo/base/validate_locale.cpp b/src/mongo/base/validate_locale.cpp
new file mode 100644
index 00000000000..54d9d1a0c22
--- /dev/null
+++ b/src/mongo/base/validate_locale.cpp
@@ -0,0 +1,54 @@
+/*    Copyright 2014 MongoDB, Inc.
+ *
+ *    This program is free software: you can redistribute it and/or  modify
+ *    it under the terms of the GNU Affero General Public License, version 3,
+ *    as published by the Free Software Foundation.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *    As a special exception, the copyright holders give permission to link the
+ *    code of portions of this program with the OpenSSL library under certain
+ *    conditions as described in each individual source file and distribute
+ *    linked combinations including the program with the OpenSSL library. You
+ *    must comply with the GNU Affero General Public License in all respects
+ *    for all of the code used other than as permitted herein. If you modify
+ *    file(s) with this exception, you may extend this exception to your
+ *    version of the file(s), but you are not obligated to do so. If you do not
+ *    wish to do so, delete this exception statement from your version. If you
+ *    delete this exception statement from all source files in the program,
+ *    then also delete it in the license file.
+ */
+
+#include <stdexcept>
+
+#include <boost/filesystem/operations.hpp>
+
+#include "mongo/base/init.h"
+
+namespace mongo {
+
+MONGO_INITIALIZER_GENERAL(ValidateLocale,
+        MONGO_NO_PREREQUISITES,
+        MONGO_DEFAULT_PREREQUISITES)
+        (InitializerContext*) {
+        try {
+            // Validate that boost can correctly load the user's locale
+            boost::filesystem::path("/").has_root_directory();
+        }
+        catch (const std::runtime_error&) {
+           return Status(ErrorCodes::BadValue, "Invalid or no user locale set."
+#ifndef _WIN32
+                " Please ensure LANG and/or LC_* environment variables are set correctly."
+#endif
+                );
+        }
+        return Status::OK();
+    }
+
+}  // namespace mongo
diff --git a/src/mongo/logger/logger.cpp b/src/mongo/logger/logger.cpp
index 27d28509b56..02b8748f245 100644
--- a/src/mongo/logger/logger.cpp
+++ b/src/mongo/logger/logger.cpp
@@ -43,7 +43,7 @@ namespace logger {
      * Just in case no static initializer called globalLogManager, make sure that the global log
      * manager is instantiated while we're still in a single-threaded context.
      */
-    MONGO_INITIALIZER_GENERAL(GlobalLogManager, MONGO_NO_PREREQUISITES, ("default"))(
+    MONGO_INITIALIZER_GENERAL(GlobalLogManager, ("ValidateLocale"), ("default"))(
             InitializerContext*) {
 
         globalLogManager();
diff --git a/src/mongo/util/options_parser/startup_option_init.cpp b/src/mongo/util/options_parser/startup_option_init.cpp
index c2641286346..81eec4537a5 100644
--- a/src/mongo/util/options_parser/startup_option_init.cpp
+++ b/src/mongo/util/options_parser/startup_option_init.cpp
@@ -22,7 +22,7 @@
 
 /* Groups for all of option handling */
 MONGO_INITIALIZER_GROUP(BeginStartupOptionHandling,
-                        ("GlobalLogManager"), ("EndStartupOptionHandling"))
+                        ("GlobalLogManager", "ValidateLocale"), ("EndStartupOptionHandling"))
 
 /* Groups for option registration */
 MONGO_INITIALIZER_GROUP(BeginStartupOptionRegistration,