69 lines
1.2 KiB
Plaintext
69 lines
1.2 KiB
Plaintext
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#!/bin/bash
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red=$(tput setaf 1)
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grn=$(tput setaf 2)
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raz=$(tput sgr0)
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usage() {
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echo "Run a single command on multiple lxc containers"
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echo "Usage : $0 [-h|--help] [-n|--no-color] [-o|--os OS] CMD ..."
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echo -e "\n\t-h --help\tprint this help\n\t-n --no-color\tdisable colors\n\n"
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echo "Host list configured to be found in '$hosts'"
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}
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nocmd() {
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echo -e "at least one command expected...\n"
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usage
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exit 3
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}
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# arg "parsing"
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[ $# -eq 0 ] && nocmd
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case "$1" in
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-h|--help)
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usage
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exit 1
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;;
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-n|--no-color)
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[ $# -eq 1 ] && nocmd
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shift
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red='[ERR] '
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grn=''
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raz=''
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;;
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-o|--os)
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if [[ "$#" -gt 0 ]];
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then
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shift;
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OS=$1;
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hosts="$HOME/.config/mhssh_lxc.$OS.hosts";
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shift;
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fi;
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;;
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esac
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if [ -z $hosts ];
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then
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hosts="$HOME/.config/mhssh_lxc.hosts";
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fi
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if [ ! -f "$hosts" ]
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then
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echo -e "File '$hosts' not found" >&2
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echo ""
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usage
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exit 2
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fi
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while read -r host;
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do
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echo -e "\n$grn=====================\n$grn$host\n$grn=====================$raz\n"
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stdout=$(echo -ne "$grn$(printf "%20s" "$host") : $raz")
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stderr=$(echo -ne "$red$(printf "%20s" "$host") : $raz")
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{
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lxc-attach -n "$host" -- "$@" 2>&3 | sed -e "s/^/$stdout/" 1>&2
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} 3>&1 | sed -e "s/^/$stderr/"
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done <<< $(cat $hosts)
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