[202] | 1 | #!/bin/bash |
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| 2 | # Program: |
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| 3 | # remove shell script for master uninstall |
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| 4 | # Author: |
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| 5 | # Waue, Shunfa, Rock {waue, shunfa, rock}@nchc.org.tw |
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| 6 | # Version: |
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| 7 | # 1.0 |
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| 8 | # History: |
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| 9 | # |
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| 10 | |
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[214] | 11 | source ./lang_link |
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[202] | 12 | |
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| 13 | ########## echo function ########## |
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| 14 | function debug_info () { |
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| 15 | if [ $? -eq 0 ]; then |
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| 16 | echo -e "\033[1;35;40m info - $1 \033[0m" |
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| 17 | fi |
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| 18 | } |
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| 19 | |
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| 20 | |
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| 21 | function show_info () { |
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| 22 | if [ $? -eq 0 ]; then |
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| 23 | echo -e "\033[1;32;40m $1 \033[0m" |
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| 24 | fi |
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| 25 | } |
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| 26 | ##########end echo function ########## |
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| 27 | |
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| 28 | nutch_PATH=/home/nutchuser/nutchez/system |
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| 29 | |
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| 30 | |
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| 31 | # check root |
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| 32 | function check_root(){ |
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| 33 | debug_info "check_root" |
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| 34 | if [ $USER != "root" ]; then |
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[213] | 35 | show_info "$MR_check_root_1" # "請切換成 root 身份執行移除程式!!!" |
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[202] | 36 | exit |
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| 37 | fi |
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[213] | 38 | show_info "$MR_check_root_2" # "已確認為root身份, 將繼續執行此移除程式!" |
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[202] | 39 | } |
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| 40 | |
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| 41 | # shutdown service |
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| 42 | function shutdown_service () { |
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[213] | 43 | show_info "$MR_shutdown_service_echo_1" # "停止其他尚未關閉的slaves服務..." |
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[202] | 44 | slaves_list=`cat $nutch_PATH'/nutch_nodes' | cut -d' ' -f1` |
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| 45 | for nutch_node in $slaves_list |
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| 46 | do |
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| 47 | su nutchuser -c "ssh nutchuser@$nutch_node /opt/nutchez/nutch/bin/hadoop-daemon.sh stop datanode" |
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| 48 | su nutchuser -c "ssh nutchuser@$nutch_node /opt/nutchez/nutch/bin/hadoop-daemon.sh stop tasktracker" |
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| 49 | done |
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[213] | 50 | show_info "$MR_shutdown_service_echo_2" # "關閉本機服務..." |
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[202] | 51 | su nutchuser -c "/opt/nutchez/nutch/bin/stop-all.sh" |
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[206] | 52 | su nutchuser -c "/opt/nutchez/tomcat/bin/shutdown.sh" |
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[213] | 53 | show_info "$MR_shutdown_service_echo_3" # "本機服務已關閉" |
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[202] | 54 | } |
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| 55 | |
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| 56 | # 移除檔案及資料夾 |
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| 57 | function remove_folders () { |
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[213] | 58 | show_info "$MR_remove_folders_echo_1" # "正在刪除安裝時所建立的檔案及資料夾..." |
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[206] | 59 | rm -rf /opt/nutchez |
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| 60 | rm -rf /var/nutchez |
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[213] | 61 | show_info "$MR_remove_folders_echo_2" # "安裝時所建立的檔案及資料夾已刪除" |
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[202] | 62 | } |
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| 63 | |
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| 64 | |
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| 65 | # 還原/etc/hosts |
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| 66 | function edit_hosts () { |
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[213] | 67 | show_info "$MR_edit_hosts_echo_1" # "修改/etc/hosts..." |
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| 68 | # slaves_list=`cat $nutch_PATH'/nutch_nodes' | cut -d' ' -f1` |
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| 69 | # for nutch_node in $slaves_list |
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| 70 | # do |
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| 71 | # Line_NO=`cat /etc/hosts | grep -n $nutch_node | sed 's/:.*//g'` |
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| 72 | # if [[ $Line_NO -ge 1 ]]; then |
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| 73 | # sed -i ''$Line_NO'd' /etc/hosts |
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| 74 | # fi |
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| 75 | # done |
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| 76 | cat > /etc/hosts < /home/nutchuser/nutchez/system/hosts.bak |
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| 77 | show_info "$MR_edit_hosts_echo_2" # "完成修改/etc/hosts" |
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[202] | 78 | } |
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| 79 | |
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| 80 | # 移除使用者 |
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| 81 | function user_delete () { |
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[213] | 82 | show_info "$MR_user_delete_echo_1" # "正在刪除nutchuser使用者..." |
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[206] | 83 | userdel -r nutchuser |
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[213] | 84 | show_info "$MR_user_delete_echo_2" # "使用者nutchuser已刪除" |
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[202] | 85 | } |
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| 86 | |
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| 87 | # Main function |
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| 88 | function main () { |
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[213] | 89 | show_info "$MR_main_echo_1" #"警告 - 此一程式為移除nutchEZ程式, 若您為誤執行此一程式, 請按Ctrl+c離開此程序!" |
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| 90 | show_info "$MR_main_echo_2" #"本執行程序將會移除安裝nutchEZ時所新增的檔案及nutchuser使用者帳號" |
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[202] | 91 | # 詢問是否繼續 |
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[213] | 92 | read -p "$MR_main_echo_3" confirm # "請問是否確定移除此一節點:1.確定 2.取消" |
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[202] | 93 | # 確認移除 |
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| 94 | if [ $confirm -eq 1 ]; then |
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| 95 | check_root |
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| 96 | shutdown_service |
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| 97 | remove_folders |
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| 98 | edit_hosts |
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| 99 | user_delete |
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[213] | 100 | show_info "$MR_main_echo_4" # "移除程序已完成!" |
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[202] | 101 | elif [ $confirm -eq 2 ]; then |
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[213] | 102 | show_info "$MR_main_echo_5" # "您已取消移除程序!" |
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| 103 | show_info "$MR_main_echo_6" # "若要移除請再重新執行!" |
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[202] | 104 | fi |
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| 105 | } |
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| 106 | |
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| 107 | main |
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| 108 | |
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