Add script to collect logs, dumps and other relevant information.

Review URL: http://codereview.chromium.org/2103005
diff --git a/metrics/generate_logs b/metrics/generate_logs
new file mode 100755
index 0000000..dfcdeea
--- /dev/null
+++ b/metrics/generate_logs
@@ -0,0 +1,82 @@
+#!/bin/sh
+#
+# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+#
+# Copies all logs, screen-shots, crash dumps to Downloads folder.
+
+# Help information about script usage
+if ([ "$1" = -h ] || [ "$1" = -? ]); then
+  echo "Usage of generate_logs script:"
+  echo "To collect logs, dumps and screenshots: sh $0"
+  echo "To collect data and clear up folders: sh $0 --delete"
+  echo "Collected data is zipped to tar.bz2 file with timestamp in Downloads"
+  exit 1
+fi
+
+echo "Collecting logs for $USER user"
+home_dir=/home/$USER/user
+
+# Creating folder to copy logs, screenshots and dumps
+log_dir=$home_dir/Downloads/diagnostic_logs
+mkdir -p $log_dir
+sudo rm -rf $log_dir/*
+echo "Created log folder in Downloads"
+
+# Copying file with current timestamp and date
+date > $log_dir/timestamp.txt
+echo "Copied current timestamp"
+
+# Copying lsb-release file
+sudo cp /etc/lsb-release $log_dir
+echo "Copied lsb-release file with version information"
+
+# Copying logs- windows manager, screen-locker, messages, session_manager
+mkdir $log_dir/system_level_logs
+cp -r /var/log/messages \
+    /var/log/session_manager \
+    /var/log/softwareupdate.log \
+    /var/log/update_engine.log \
+    /var/log/window_manager \
+    $log_dir/system_level_logs
+cp -rf $home_dir/log $log_dir/user_level_logs
+echo "Copied relevant logs"
+
+# Copying screen-shots
+cp -rf $home_dir/Downloads/Screenshots $log_dir/screenshots 2> /dev/null && \
+    echo "Copied screen-shots"
+
+# Copying crash dumps and deleting from original location
+cp -rf $home_dir/.config/google-chrome/Crash\ Reports $log_dir/crashdumps 2> \
+    /dev/null && echo "Copied crash dumps"
+
+# Compressing the log folder with all collected files
+currentdate=$(date +%m%d%y-%H%M%S)
+tar cjfP $home_dir/Downloads/log-$currentdate.tar.bz2 $log_dir/
+sudo rm -rf $log_dir/*
+echo "Files zipped to  folder under Downloads : log-$currentdate.tar.bz2"
+
+# Deleting logs, dumps, screenshots from original location with flag -delete
+if [ "$1" = --delete ]; then
+  echo "Deleting all logs "
+  sudo rm -rf /var/log/messages \
+    /var/log/session_manager \
+    /var/log/softwareupdate.log \
+    /var/log/update_engine.log \
+    /var/log/window_manager/*
+  sudo rm -rf $home_dir/log/*
+
+  echo "Deleting crash dumps"
+  sudo rm -rf $home_dir/.config/google-chrome/Crash\ Reports/*
+
+  echo "Deleting screen-shots"
+  sudo rm -rf $home_dir/Downloads/Screenshots/*
+
+  # Reboot after deleting all files
+  echo "Rebooting system after clean up in 1 minute"
+  sudo shutdown -r 1
+else
+  echo "Logs and dumps are copied but not deleted."
+  echo "To clear all logs, run the script with --delete flag"
+fi