複数のSSHサーバに同じコマンドを送って実行結果を出力する (非同期可)

distsh

#!/bin/bash
dupsh $@ <<EOF
10.101.10.12
10.101.10.13
10.101.10.15
10.101.10.24
10.101.10.28
EOF

dupsh

#!/bin/bash

if [ -z "$1" ]; then
    echo "usage: $0 <command> [args] ..."
    exit;
fi

# setup destination
while read LINE; do
    if [ $LINE = ${LINE#\#} ]; then
        NODES=(${NODES[@]} $LINE)
    fi
done

CPIDS=()

echo CMD_RSH=${CMD_RSH:=ssh}
echo USER=${USER:=root}
echo SYNC=${SYNC:=1}
echo COLOR=${COLOR:=1}
echo NODES=${NODES[@]}

# output dir
LOGDIR=/tmp/dupsh_$USER_$$
mkdir -p $LOGDIR

if [ $SYNC -ne 0 ]; then
# execute in child process (sync)
    for NODE in ${NODES[@]}; do
        echo -e "\033[0;32m[$USER@$NODE]$ \033[0;31m$CMD_RSH $USER@$NODE eval \"$@\"\033[0m"
        $CMD_RSH $USER@$NODE eval "$@"
    done
else
# execute in child process (async)
    for NODE in ${NODES[@]}; do
        LOG=$LOGDIR/$NODE
        echo -e "\033[0;32m[$USER@$NODE]$ \033[0;31m$CMD_RSH $USER@$NODE eval \"$@\"\033[0m" > $LOG
        $CMD_RSH $USER@$NODE eval "$@" >> $LOG 2>&1 &
        CPIDS=(${CPIDS[@]} $!)
    done

# wait for all child process
    for CPID in ${CPIDS[@]}; do
        wait $CPID
    done

# output result
    for NODE in ${NODES[@]}; do
        LOG=$LOGDIR/$NODE
        cat $LOG
        rm $LOG
    done
fi

rm -rf $LOGDIR