#!/bin/bash
#
# Deploy a node using automated recipes.
#
# 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

# Parameters
FOLDER="$1"
FQDN="`facter fqdn`"

# Set sudo config
local sudo device rsync
if [ "`whoami`" != 'root' ]; then
  sudo="sudo"
fi

# Dispatch
if [ ! -z "$FOLDER" ]; then
  if [ ! -d "$FOLDER"]; then
    echo "folder not found: $FOLDER"
    exit 1
  fi

  # Fix hostname
  if [ -s "$FOLDER/etc/hostname" ]; then
    FQDN="`cat $FOLDER/etc/hostname`"
  fi

  echo "Deploying to $FOLDER..."

  # Saner defaults
  $sudo mkdir -p       $FOLDER/etc/puppet
  $sudo chown -R root. $FOLDER/etc/puppet
  $sudo chmod -R 640   $FOLDER/etc/puppet

  # Sync repository to server
  # Exclude eventual keys and version control files
  $sudo rsync -CrltDv --no-perms --exclude=keys --exclude=hiera/secrets --delete $HYDRA_FOLDER/puppet/ $FOLDER/etc/puppet/

  # Setup custom facts
  DOMAIN="`echo $FQDN | cut -d . -f 2-`"
  ROLE="`grep "^nodo::role:         " domain/$DOMAIN/$FQDN.yaml | cut -d ' ' -f 2 | sed -e "s/'//g" -e 's/"//g'`"
  LOCATION="`grep "^nodo::location: " domain/$DOMAIN/$FQDN.yaml | cut -d ' ' -f 2 | sed -e "s/'//g" -e 's/"//g'`"

  # Copy needed hiera YAMLs
  $sudo mkdir -p $FOLDER/etc/puppet/secrets/{domain,location,node,role}
  $sudo cp $HYDRA_FOLDER/puppet/hiera/secrets/domain/$DOMAIN.yaml     $FOLDER/etc/puppet/hiera/domain/
  $sudo cp $HYDRA_FOLDER/puppet/hiera/secrets/location/$LOCATION.yaml $FOLDER/etc/puppet/hiera/location/
  $sudo cp $HYDRA_FOLDER/puppet/hiera/secrets/location/$ROLE.yaml     $FOLDER/etc/puppet/hiera/role/

  # Check for manifest
  if [ ! -e "$HYDRA_FOLDER/puppet/manifests/nodes/$FQDN.pp" ]; then
    echo "Not found: $HYDRA_FOLDER/puppet/manifests/nodes/$FQDN.pp"
    exit 1
  fi

  # Run puppet
  LC_ALL=C FACTER_role=$ROLE FACTER_location=$LOCATION \
  $sudo chroot $FOLDER puppet apply /etc/puppet/manifests/nodes/$FQDN.pp
elif [ -e "$HYDRA_FOLDER/puppet/manifests/nodes/$FQDN.pp" ]; then
  # Setup custom facts
  DOMAIN="`echo $FQDN | cut -d . -f 2-`"
  ROLE="`grep "^nodo::role:         " domain/$DOMAIN/$FQDN.yaml | cut -d ' ' -f 2 | sed -e "s/'//g" -e 's/"//g'`"
  LOCATION="`grep "^nodo::location: " domain/$DOMAIN/$FQDN.yaml | cut -d ' ' -f 2 | sed -e "s/'//g" -e 's/"//g'`"

  # Run puppet
  LC_ALL=C FACTER_role=$ROLE FACTER_location=$LOCATION \
  $sudo puppet apply --confdir=$HYDRA_FOLDER/puppet    \
                     --modulepath=$HYDRA_FOLDER/modules $HYDRA_FOLDER/puppet/manifests/nodes/$FQDN.pp
fi