97 lines
2.2 KiB
Modula-2
97 lines
2.2 KiB
Modula-2
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#!/bin/bash
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module_load ssh
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remote_script () {
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# usage: remote_script script -- <ssh setup options> host <ssh options>
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# see ssh function
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#
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local sshargs;local user;local supass;local fn;
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local OPTION
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local OPTARG
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local OPTIND
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while getopts 'u:s:f:' OPTION; do
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# echo OPTION $OPTION ARG $OPTARG
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case "$OPTION" in
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f)
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# run a function within the script
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fn=$OPTARG
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;;
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u)
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# run command as another user
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user=$OPTARG
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;;
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s)
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# password of sudo account for running as root or other user
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supass=$OPTARG
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;;
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*)
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echo unknown remote script option -$OPTARG
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return 1
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;;
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esac
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done
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shift $((OPTIND - 1))
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local script=$1
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[[ ! -f $script ]] && { echo cannot find script $script to run; return 1; }
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[[ "$*" =~ "--" ]] && sshargs=$(sed 's/.*--\(.*\)/\1/' <<< "$@")
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[[ ! $sshargs ]] && { echo must provide at least a hostname; return 3; }
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# escape arguments with spaces
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local i=2
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local count=0
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declare -a args
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while [[ ! ${!i} = "--" ]]
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do
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#echo "${!i}"
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args[count]=$(printf '%q' "${!i}")
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count=$((count+1))
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i=$((i+1))
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done
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# if script loads a module then use bundler
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if [[ $(cat $script | grep module_load) ]]; then
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echo bundling modules with script
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local temp
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module_load bundle
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script=$( mktemp -t TEMP_FILE_script.XXXXXXXX )
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bundle $1 $script
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temp=true
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fi
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local _sudo
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if [[ $user ]]; then
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[[ ! $supass ]] && { echo password must be supplied for connecting sudo account. use -s;return 7; }
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# echo running script remotely as user $user
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_sudo="echo '${supass}' | sudo --stdin -u ${user} 2>/dev/null"
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else
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if [[ $supass ]]; then
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_sudo="echo '${supass}' | sudo --stdin 2>/dev/null"
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# echo running script remotely as root
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fi
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fi
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src=$(cat $script)
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if [[ $fn ]]; then
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# echo running function
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cmd="bash -c '$src; $fn ${args[*]}'"
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else
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# echo running as script
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local sargs
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[[ ${args[*]} ]] && sargs=$(printf '%s\n' "set -- ${args[*]}")
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cmd="bash -c '$sargs; $(cat $script)'"
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fi
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ssh $sshargs "$_sudo" "$cmd"
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[[ $temp ]]&& rm -f $script
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}
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# # if script was executed then call the function
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(return 0 2>/dev/null) ||remote_script $@
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