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|
#!/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.
#
usage() {
echo "Usage: $(basename $0) [-l] [-r] [-u]"
echo " -l: Build looped operations"
echo " -r: Do not reset local changes"
echo " -u: Do not upload snapshots"
}
export BUILDER_TOOLS=$(realpath $(dirname ${0}))
export BUILDER_ROOT=$(realpath "${BUILDER_TOOLS}/..")
NO_RESET=""
NO_UPLOAD=""
LOOPED_SNAPSHOTS=""
export minsleepvalue=${minsleepvalue:-"28800"}
export maxsleepvalue=${maxsleepvalue:-"86400"}
# Handle command line arguments
while getopts lur opt; do
case ${opt} in
l)
LOOPED_SNAPSHOTS=1
;;
r)
NO_RESET=1
;;
u)
NO_UPLOAD="-u"
;;
*)
usage
exit 1
;;
esac
done
# Keeps track of how many time builder has looped
export BUILDCOUNTER=0
export COUNTER=0
# Global variable used to control SIGINFO action
export _sleeping=0
snapshot_update_status() {
${BUILDER_ROOT}/build.sh ${NO_UPLOAD} --snapshot-update-status "${1}"
}
git_last_commit() {
snapshot_update_status ">>> Updating ${PRODUCT_NAME} repository."
[ -z "${NO_RESET}" ] \
&& git -C "${BUILDER_ROOT}" reset --hard >/dev/null 2>&1
git -C "${BUILDER_ROOT}" pull -q
export CURRENT_COMMIT=$(git -C ${BUILDER_ROOT} log -1 --format='%H')
export CURRENT_AUTHOR=$(git -C ${BUILDER_ROOT} log -1 --format='%an')
}
restart_build() {
if [ ${_sleeping} -ne 0 ]; then
snapshot_update_status ">>> SIGNINFO received, restarting build"
COUNTER=$((maxsleepvalue + 60))
fi
}
# 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() {
# Handle SIGINFO (ctrl+T) and restart build
trap restart_build SIGINFO
# Initialize variables that keep track of last commit
[ -z "${LAST_COMMIT}" ] \
&& export LAST_COMMIT=${CURRENT_COMMIT}
snapshot_update_status ">>> Sleeping for at least $minsleepvalue, at most $maxsleepvalue in between snapshot builder runs."
snapshot_update_status ">>> Last known commit: ${LAST_COMMIT}"
snapshot_update_status ">>> Freezing build process at $(date)"
echo ">>> Press ctrl+T to start a new build"
COUNTER=0
_sleeping=1
while [ ${COUNTER} -lt ${minsleepvalue} ]; do
sleep 1
COUNTER=$((COUNTER + 1))
done
if [ ${COUNTER} -lt ${maxsleepvalue} ]; then
snapshot_update_status ">>> Thawing build process and resuming checks for pending commits at $(date)."
echo ">>> Press ctrl+T to start a new build"
fi
while [ $COUNTER -lt $maxsleepvalue ]; do
sleep 1
# Update this repo each 60 seconds
if [ "$((${COUNTER} % 60))" = "0" ]; then
git_last_commit
if [ "${LAST_COMMIT}" != "${CURRENT_COMMIT}" ]; then
snapshot_update_status ">>> New commit: $CURRENT_AUTHOR - $CURRENT_COMMIT .. No longer sleepy."
COUNTER=$(($maxsleepvalue + 60))
export LAST_COMMIT="${CURRENT_COMMIT}"
fi
fi
COUNTER=$(($COUNTER + 1))
done
_sleeping=0
if [ $COUNTER -ge $maxsleepvalue ]; then
snapshot_update_status ">>> Sleep timer expired. Restarting build."
COUNTER=0
fi
trap "-" SIGINFO
}
# Main builder loop
while [ /bin/true ]; do
BUILDCOUNTER=$((${BUILDCOUNTER}+1))
git_last_commit
(${BUILDER_ROOT}/build.sh --clean-builder 2>&1) | while read -r LINE; do
snapshot_update_status "${LINE}"
done
(${BUILDER_ROOT}/build.sh ${NO_UPLOAD} --flash-size '1g 2g 4g' --snapshots 2>&1) | while read -r LINE; do
snapshot_update_status "${LINE}"
done
if [ -z "${LOOPED_SNAPSHOTS}" ]; then
# only one build required, exiting
exit
fi
# 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
done
|
