ssh-install-keys

#! /bin/bash
# install keys to access root@serveur
#
#
VERSION=1
# *  Mon Sep 22 2014 : Version 1
# - initial version: scan, list

usage() {
    cat <<EOT
Usage: $(basename $0) -LFDMAG [ -l ] <pub key> [ <pub key> ]*
    -L : servers on network 134.157.34
    -F : servers on network 134.157.43
    -D : servers on network 134.157.69
    -M : servers on network 134.157.76
    -A : all servers
    -G : all gateway

    -l : only list the network
EOT
}

### arguments
# default hosts
hosts=

OPTIND=1
while getopts hlLMFAGD opt ; do
   case "$opt" in
        h) print_help=1;;
        l) do_list=1;;
        L) hosts=LMM;;
        F) hosts=FRT;;
        D) hosts=DALEMBERT;;
        M) hosts=MISES;;
        A) hosts=ALL;;
        G) hosts=GATEWAYS;;
   esac
done
shift $(($OPTIND - 1))

# option -h
test $print_help && usage && exit 0

HOSTS_GATEWAYS="chagall bipbip"
HOSTS_LMM="bipbip chagall modemeca euler poisson"
HOSTS_DALEMBERT="neptune heywood heyward selkirk manet antigna gaugin"
HOSTS_MISES="olympe"
HOSTS_FRT="cerbere lynx6 lynx7 lytras"
HOSTS_ALL="$HOSTS_LMM $HOSTS_DALEMBERT $HOSTS_MISES $HOSTS_FRT"

case "$hosts" in
    GATEWAYS|LMM|DALEMBERT|MISES|FRT|ALL|GATEWAYS) hh=HOSTS_${hosts}; eval HOSTS=\$$hh;;
    *) echo "E: you must give target hosts"; usage; exit 1;;
esac

if test $do_list; then
    echo "$HOSTS"
    exit 0
fi

# check args
test $# -ge 1 || { echo "E: Missing parameters"; usage; exit 1; }

# check files
FILES=""
for f in $@
do
    test -f "$f" && FILES="$FILES $f"
done

test -n "$FILES" || { echo "W: missing or non-exists files."; exit 1; }

REAL_HOSTS=""
ERROR_HOSTS=""
echo "* Checking servers ..."
for h in $HOSTS
do
    timeout 10 ssh root@$h "(uname -r >/dev/null 2>&1)" 2>/dev/null && REAL_HOSTS="$REAL_HOSTS $h" || { echo "server $h unreachable !"; ERROR_HOSTS="$ERROR_HOSTS $h"; continue; }
done

echo
echo "* Working with servers: $REAL_HOSTS"
echo "servers unreachable: $ERROR_HOSTS"
echo

for h in $REAL_HOSTS; do
    echo -n "* copying files to $h: "
    for f in $FILES; do
        test -f "$f" && echo -n "$f " || continue
        hash=$(cat $f | awk '{print $2}')
        # test if hash in remote authorized_keys
        ssh root@$h cat .ssh/authorized_keys 2>/dev/null | grep -q "$hash"
        test $? -eq 0 && {
            echo -n "[exists] " 
        } || { 
            cat "$f" | ssh root@$h "cat - >> .ssh/authorized_keys"

            # tmp=$(ssh root@$h mktemp)
            # scp -q "$f" root@$h:$tmp || { echo -n "[scp error, skip] "; continue; }
            # # echo "cat $tmp >> .ssh/authorized_keys"
            # ssh root@$h "(cat $tmp >> .ssh/authorized_keys)"

            #re test
            ssh root@$h cat .ssh/authorized_keys | grep -q "$hash"
            test $? -eq 0 && echo -n "[ok] " || echo -n "[failed] "
        }
    done
    echo "DONE"
done