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https://github.com/DictXiong/dotfiles.git
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81 lines
1.6 KiB
Bash
Executable File
81 lines
1.6 KiB
Bash
Executable File
#!/bin/bash
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# connect to iot services
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THIS_DIR=$( cd "$( dirname "${BASH_SOURCE[0]:-${(%):-%x}}" )" && pwd )
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source "$THIS_DIR/../tools/common.sh"
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# get target settings
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# provides:
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SERVER=""
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PORT=""
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SSH_USERNAME=""
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SSH_OPTIONS=""
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get_server_meta()
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{
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local domain=${1##*.}
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local host=${1%.*}
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if [[ "$host" == "$domain" ]]; then
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domain=""
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fi
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case $domain in
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ibd )
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SERVER=$host.ibd.ink
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PORT=12022
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SSH_USERNAME=root
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;;
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ob )
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SERVER=$host.ob.ac.cn
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PORT=24022
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SSH_USERNAME=root
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;;
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nasp )
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SERVER=$host
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PORT=22
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SSH_USERNAME=dictxiong
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SSH_OPTIONS='-o ProxyJump="ssh@nasp.ob.ac.cn:36022"'
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;;
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"" )
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SERVER=proxy.beardic.cn
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local tmp=$(sha256sum <<< "$host" | tr -cd "[:digit:]")
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tmp=${tmp:0:4}
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PORT=$((tmp+36000))
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SSH_USERNAME=root
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;;
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* )
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fmt_fatal "unknown domain: $domain"
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esac
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}
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# ssh
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_ssh()
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{
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get_server_meta "$1"
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fmt_note "--> ssh to $SERVER:$PORT"
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eval ssh -p $PORT $SSH_OPTIONS $SSH_USERNAME@$SERVER
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}
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# main
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print_help()
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{
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fmt_info "usage: $0 <command> <service> [options]"
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echo "available commands: ssh"
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}
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router()
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{
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test $# -eq 2 || (print_help && fmt_fatal "invalid arguments")
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case $1 in
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-h|--help)
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print_help
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;;
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ssh )
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_ssh "$2"
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;;
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* )
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print_help
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fmt_fatal "unknown command: $1"
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;;
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esac
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}
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router "${GOT_OPTS[@]}"
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