cloudstack/setup/bindir/cloud-set-guest-sshkey.in
Kevin Kluge 69c4a59696 resolved fixed: 8853
update to handle multiple NICs and non-virtual-networking cases.
2011-03-07 13:26:01 -08:00

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#!/bin/bash
#
# Init file for SSH Public Keys Download Client
#
# chkconfig: 345 98 02
# description: SSH Public Keys Download Client
# Modify this line to specify the user (default is root)
user=root
# Add your DHCP lease folders here
DHCP_FOLDERS="/var/lib/dhclient/* /var/lib/dhcp3/*"
keys_received=0
file_count=0
for DHCP_FILE in $DHCP_FOLDERS
do
if [ -f $DHCP_FILE ]
then
file_count=$((file_count+1))
SSHKEY_SERVER_IP=$(grep dhcp-server-identifier $DHCP_FILE | tail -1 | awk '{print $NF}' | tr -d '\;')
if [ -n $SSHKEY_SERVER_IP ]
then
logger -t "cloud" "Sending request to ssh key server at $SSHKEY_SERVER_IP"
publickey=$(wget -t 3 -T 20 -O - http://$SSHKEY_SERVER_IP/latest/public-keys 2>/dev/null)
if [ $? -eq 0 ]
then
logger -t "cloud" "Got response from server at $SSHKEY_SERVER_IP"
keys_received=1
break
fi
else
logger -t "cloud" "Could not find ssh key server IP in $DHCP_FILE"
fi
fi
done
# did we find the keys anywhere?
if [ "$keys_received" == "0" ]
then
logger -t "cloud" "Failed to get ssh keys from any server"
exit 1
fi
# set ssh public key
homedir=$(grep ^$user /etc/passwd|awk -F ":" '{print $6}')
sshdir=$homedir/.ssh
authorized=$sshdir/authorized_keys
if [ ! -e $sshdir ]
then
mkdir $sshdir
fi
if [ ! -e $authorized ]
then
touch $authorized
fi
cat $authorized|grep -v "$publickey" > $authorized
echo "$publickey" >> $authorized
exit 0