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#!/bin/bash
#
# Deploy a node using automated recipes. See discussion at
#
# - http://current.workingdirectory.net/posts/2011/puppet-without-masters/
# - http://andrewbunday.co.uk/2012/12/04/masterless-puppet-wrapper/
# - http://semicomplete.com/presentations/puppet-at-loggly/puppet-at-loggly.pdf.html
# - https://github.com/jordansissel/puppet-examples/tree/master/masterless
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License along with this program. If not, see
# <http://www.gnu.org/licenses/>.
# Load
source $APP_BASE/lib/hydra/functions || exit 1
hydra_config_load
# Command line arguments
NODES="$*"
# Build node list
if [ -z "$NODES" ]; then
NODES="`hydra $HYDRA nodes`"
fi
# Banner
echo '.__ .___ .___ .__ ._.'
echo '| |__ ___.__. __| _/___________ __| _/____ ______ | | ____ ___.__.| |'
echo '| | < | |/ __ |\_ __ \__ \ / __ |/ __ \\____ \| | / _ < | || |'
echo '| Y \___ / /_/ | | | \// __ \_ / /_/ \ ___/| |_> > |_( <_> )___ | \|'
echo '|___| / ____\____ | |__| (____ / \____ |\___ > __/|____/\____// ____| __'
echo ' \/\/ \/ \/ \/ \/|__| \/ \/'
echo ''
# Deploy
for node in $NODES; do
if [ -d "$node" ]; then
echo "Deploying to $node folder..."
# Setup deploy environment
FOLDER=$node
hydra_deploy_setup folder $FOLDER || continue
if ! sudo -n true; then
echo "Please set passwordless sudo on localhost."
continue
fi
# Check if puppet is installed
if [ ! -e "$FOLDER/usr/bin/puppet" ]; then
echo "Installing dependencies..."
$DEPLOY_COMMAND apt-get update
$DEPLOY_COMMAND DEBIAN_FRONTEND=noninteractive apt-get install $DEPLOY_DEPENDENCIES -y
fi
# Create folders
hydra_deploy_mkdirs
# Sync repository to server
echo "Syncing configuration..."
$DEPLOY_RSYNC "$RSYNC_PATH" $DEPLOY_OPTS
# Copy keys
hydra_deploy_copy_keys folder
# Copy config configuration
hydra_deploy_copy_secrets folder
# Run puppet, overriding FQDN
echo "Applying configuration..."
LC_ALL=C HOSTNAME=$FQDN FACTER_domain=$DOMAIN FACTER_hostname=$FQDN FACTER_fqdn=$HOSTNAME.$DOMAIN $DEPLOY_APPLY 2>&1 | \
tee $HYDRA_FOLDER/puppet/logs/$FQDN.`date +%Y%m%d%H%M`.log
elif [ "$node" == "localhost" ] || [ "$node" == "`facter fqdn`" ] || [ "$node" == "`facter hostname`" ]; then
echo "Deploying to localhost..."
if ! sudo -n true; then
echo "Please set passwordless sudo on localhost."
continue
fi
# Setup deploy environment
hydra_deploy_setup || continue
# Ensure key availability
hydra $HYDRA eyaml $FQDN
# Check if puppet is installed
if [ ! -e "/usr/bin/puppet" ]; then
$SUDO apt-get update
$SUDO apt-get install $DEPLOY_DEPENDENCIES -y
fi
# Collect facts
hydra_deploy_facts_collect local
# Run puppet
echo "Applying configuration..."
$DEPLOY_APPLY 2>&1 | \
tee $HYDRA_FOLDER/puppet/logs/$FQDN.`date +%Y%m%d%H%M`.log
else
echo "Deploying to $node..."
# Setup deploy environment
hydra_deploy_setup remote $node || continue
# Check for passwordless connections
# http://stackoverflow.com/questions/3830508/check-if-passwordless-access-has-been-setup#3830680
if ! $HYDRA_CONNECT -o NumberOfPasswordPrompts=0 $FQDN true; then
echo "Unable to connect to $FQDN via SSH without a password."
echo "Please set a passwordless login for your user at $FQDN using public key auth."
exit 1
fi
# Check remote environment
$HYDRA_CONNECT $FQDN <<EOF
##### BEGIN REMOTE SCRIPT #####
# Check for passwordless sudo
# See references like https://raymii.org/s/articles/Check_if_passwordless_sudo_can_be_used_in_a_bash_script_or_nagios_check.html
if ! sudo -n true; then
echo "Please set passwordless sudo on $FQDN."
echo "You can do that by adding the following line on /etc/sudoers.d/local:"
echo ""
echo "%sudo ALL=NOPASSWD: ALL"
echo ""
echo "And make sure your user is included in the 'sudo' group."
exit 1
fi
if [ "\$(facter fqdn)" != "$FQDN" ]; then
echo "FQDN does not match:"
echo "Remote presents itself as \$(facter fqdn) instead of $FQDN"
exit 1
fi
if ! which puppet &> /dev/null; then
echo "Installing dependencies..."
sudo apt-get update
sudo apt-get install $DEPLOY_DEPENDENCIES -y
fi
##### END REMOTE SCRIPT #######
EOF
# Check connection
if [ "$?" != "0" ]; then
echo "Error connecting or setting up $FQDN."
continue
fi
# Create folders
hydra_deploy_mkdirs
# Collect facts
hydra_deploy_facts_collect remote || continue
# Sync repository to server
echo "Syncing configuration..."
$DEPLOY_RSYNC "$RSYNC_PATH" $DEPLOY_OPTS
# Check connection
if [ "$?" != "0" ]; then
echo "Error syncing to $FQDN."
continue
fi
# Copy keys
hydra_deploy_copy_keys remote || continue
# Copy configuration
hydra_deploy_copy_secrets remote || continue
# Run puppet
echo "Applying configuration..."
$DEPLOY_APPLY 2>&1 | \
tee $HYDRA_FOLDER/puppet/logs/$FQDN.`date +%Y%m%d%H%M`.log
fi
done
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