pfSense

#!/bin/sh

#

# build_snapshots.sh

#

# Copyright (c) 2007-2015 Electric Sheep Fencing, LLC

# All rights reserved

#

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions

# are met:

#

# 1. Redistributions of source code must retain the above copyright

#    notice, this list of conditions and the following disclaimer.

#

# 2. Redistributions in binary form must reproduce the above copyright

#    notice, this list of conditions and the following disclaimer in the

#    documentation and/or other materials provided with the distribution.

#

# THIS SOFTWARE IS PROVIDED BY THE pfSense PROJECT ``AS IS'' AND ANY

# EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE pfSense PROJECT OR

# ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

# OF THE POSSIBILITY OF SUCH DAMAGE.

#

export BUILDER_TOOLS=$(realpath $(dirname ${0}))

export BUILDER_ROOT=$(realpath "${BUILDER_TOOLS}/..")

NO_UPLOAD=""

LOOPED_SNAPSHOTS=""

export minsleepvalue=${minsleepvalue:-"28800"}

export maxsleepvalue=${maxsleepvalue:-"86400"}

# Handle command line arguments

while test "$1" != "" ; do

	case $1 in

	--noupload|-u)

		NO_UPLOAD="-u"

		;;

	--looped|-l)

		LOOPED_SNAPSHOTS="true"

	esac

	shift

done

# Keeps track of how many time builder has looped

BUILDCOUNTER=0

git_last_commit() {

	export CURRENT_COMMIT=$(git -C ${BUILDER_ROOT} log -1 --format='%H')

	export CURRENT_AUTHOR=$(git -C ${BUILDER_ROOT} log -1 --format='%an')

}

# This routine is called in between runs. We

# will sleep for a bit and check for new commits

# in between sleeping for short durations.

snapshots_sleep_between_runs() {

	COUNTER=0

	while [ $COUNTER -lt $maxsleepvalue ]; do

		sleep 60

		# Update this repo

		git -C "${BUILDER_ROOT}" pull -q

		git_last_commit

		if [ "${LAST_COMMIT}" != "${CURRENT_COMMIT}" ]; then

			${BUILDER_ROOT}/build.sh --snapshot-update-status ">>> New commit: $CURRENT_AUTHOR - $CURRENT_COMMIT .. No longer sleepy."

			COUNTER=$(($maxsleepvalue + 60))

			export LAST_COMMIT="${CURRENT_COMMIT}"

		fi

		COUNTER=$(($COUNTER + 60))

	done

	if [ $COUNTER -ge $maxsleepvalue ]; then

		${BUILDER_ROOT}/build.sh --snapshot-update-status ">>> Sleep timer expired. Restarting build."

		maxsleepvalue=0

		COUNTER=0

	fi

}

git_last_commit

# Main builder loop

while [ /bin/true ]; do

	BUILDCOUNTER=$((${BUILDCOUNTER}+1))

	${BUILDER_ROOT}/build.sh --clean-builder | while read LINE; do

		${BUILDER_ROOT}/build.sh --snapshot-update-status "${LINE}"

	done

	${BUILDER_ROOT}/build.sh ${NO_UPLOAD} --flash-size '1g 2g 4g' --snapshots | while read LINE; do

		${BUILDER_ROOT}/build.sh --snapshot-update-status "${LINE}"

	done

	if [ -z "${LOOPED_SNAPSHOTS}" ]; then

		# only one build required, exiting

		exit

	fi

	# Initialize variables that keep track of last commit

	[ -z "${LAST_COMMIT}" ] \

		&& export LAST_COMMIT=${CURRENT_COMMIT}

	${BUILDER_ROOT}/build.sh --snapshot-update-status ">>> Sleeping for at least $minsleepvalue, at most $maxsleepvalue in between snapshot builder runs.  Last known commit ${LAST_COMMIT}"

	${BUILDER_ROOT}/build.sh --snapshot-update-status ">>> Freezing build process at $(date)."

	sleep $minsleepvalue

	${BUILDER_ROOT}/build.sh --snapshot-update-status ">>> Thawing build process and resuming checks for pending commits at $(date)."

	# Count some sheep or wait until a new commit turns up

	# for one days time.  We will wake up if a new commit

	# is detected during sleepy time.

	snapshots_sleep_between_runs $maxsleepvalue

done