cdist-backup/bin/cdist-mass-deploy

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#!/bin/sh
#
# 2011 Nico Schottelius (nico-cdist at schottelius.org)
#
# This file is part of cdist.
#
# cdist is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# cdist is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with cdist. If not, see <http://www.gnu.org/licenses/>.
#
#
# Deploy configuration to many hosts
#
. cdist-config
[ $# -ge 1 ] || __cdist_usage "[-p] <target host> [target host ]"
set -u
# trap __cdist_tmp_removal EXIT
trap killandclean EXIT
killandclean()
{
# i may have been altered outside, just use the current offset
while [ "$i" -gt 0 ]; do
eval pid=\$pid_$i
kill "$pid"
i=$((i-1))
done
# Ensure tmp stuff is being removed
__cdist_tmp_removal
}
filter()
{
awk -v host=$1 '{ print "[" host "] " $0 }'
}
parallel=""
if [ "$1" = "-p" ]; then
parallel=yes
shift
fi
i=0
while [ $# -gt 0 ]; do
if [ "$parallel" ]; then
cdist-deploy-to "$1" | filter "$1" &
# Record pid and host for use later
i=$((i+1))
eval pid_$i=$!
eval host_$i=\$1
else
cdist-deploy-to "$1" | filter "$1"
fi
shift
done
e=0
if [ "$parallel" ]; then
__cdist_echo info "Waiting for cdist-deploy-to jobs to finish"
while [ "$i" -gt 0 ]; do
eval pid=\$pid_$i
wait "$pid"
if [ $? -ne 0 ]; then
e=$((e+1))
eval e_host_$e=\$host_$i
fi
i=$((i-1))
done
fi
# Display all failed hosts after all runs are done, so the sysadmin gets them
while [ "$e" -gt 0 ]; do
eval host=\$host_$e
__cdist_echo error "Configuration of host $host failed."
e=$((e-1))
done