dotfiles/scripts/ciot
2022-12-10 18:42:30 +08:00

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#!/bin/bash
# connect to iot services
THIS_DIR=$( cd "$( dirname "${BASH_SOURCE[0]:-${(%):-%x}}" )" && pwd )
source "$THIS_DIR/../tools/common.sh"
# proxy server and port
SERVER=${SERVER:-bj1.ob.ac.cn}
get_server_port()
{
local tmp
tmp=$(sha256sum <<< "$1" | tr -cd "[:digit:]")
tmp=${tmp:0:4}
echo $((tmp+36000))
}
# ssh
SSH_USERNAME=${SSH_USERNAME:-root}
_ssh()
{
ssh -p $(get_server_port "$1") "$SSH_USERNAME@$SERVER"
}
# main
print_help()
{
fmt_info "usage: $0 <command> <service> [options]"
echo "available commands: ssh"
}
router()
{
case $1 in
-h|--help)
print_help
;;
ssh )
_ssh "$2"
;;
* )
print_help
fmt_fatal "unknown command: $1"
;;
esac
}
router "${GOT_OPTS[@]}"