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#!/bin/sh
#
# Script to run bcfg2 with cron.
#
# This script is designed so that bcfg2-cron can be invoked from both
# /etc/cron.daily and /etc/cron.hourly. This allows the administrators to
# modify /etc/default/bcfg2 and define the wanted frequency of cron runs.
#

# Default is not to run at all from cron
BCFG2_CRON=off
BCFG2_ENABLED=0

# Set default options
#   This script will respect additional variables:
#     BCFG_OPTIONS_DAILY and BCFG_OPTIONS_HOURLY are added to BCFG2_OPTIONS
#     This allows you to run different types of passes with cron
BCFG2_OPTIONS="-q"

# bcfg2 file locations
BCFG2_BIN=/usr/sbin/bcfg2
BCFG2_CFG=/etc/bcfg2.conf

# Read the configuration from /etc/default/bcfg2
[ -e /etc/default/bcfg2 ] && . /etc/default/bcfg2

# Check that configuration and executable exists
[ -x ${BCFG2_BIN} -a -e ${BCFG2_CFG} ] || exit 1

invoke_bcfg2 () {
  # Invoke bcfg2 if enabled
  if [ ${BCFG2_ENABLED} -eq 1 ]; then
      eval BCFG2_EXTRA_OPTIONS=\${BCFG2_OPTIONS_${RUNTYPE}}
    ${BCFG2_BIN} ${BCFG2_OPTIONS} ${BCFG2_EXTRA_OPTIONS}
  fi
}

case $1 in
  "--daily")
    [ "x${BCFG2_CRON}" = "xdaily" -o "x${BCFG2_CRON}" = "xboth" ] && \
            RUNTYPE=DAILY invoke_bcfg2
    ;;
  "--hourly")
    [ "x${BCFG2_CRON}" = "xhourly" -o "x${BCFG2_CRON}" = "xboth" ] && \
            RUNTYPE=HOURLY invoke_bcfg2
    ;;
  *)
    echo "Usage: $0 [--daily|--hourly]"
    exit 1
    ;;
esac