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docker_boot.sh
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#!/usr/bin/env bash
#
# This file is part of Invenio.
# Copyright (C) 2015 CERN.
#
# Invenio is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# Invenio 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
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Invenio; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
#
#
# usage: docker_devboot COMMAND [ARGS...]
#
# Helper script for running multiple docker containers while exactly one shared
# Invenio setup is required. For synchronization purposes, a master-slave setup
# will be used. The roles are automatically detected.
#
# The exit code of the subcommand is preserved.
# location of the folder that gets shared between containers
CFG_SHARED_FOLDER=/home/invenio
CFG_MARKER_LOCK=$CFG_SHARED_FOLDER/boot.lock
CFG_MARKER_DONE=$CFG_SHARED_FOLDER/boot.initialized
CFG_MARKER_RUNNING=$CFG_SHARED_FOLDER/boot.running
# echo function for stderr
echoerr() { echo "$@" 1>&2; }
# test if connection is reachable
# usage: test_connection_by_protocol PROTO URI
# PROTO: {tcp,udp}
# URI: HOST:PORT
#
# return 1 on success, 0 otherwise
test_connection_by_protocol() {
address=$(echo $2 | sed 's/:.*//')
port=$(echo $2 | sed 's/[^:]*://')
printf "$1://$address:$port..."
# use builtin bash function
timeout 1 bash -c "cat < /dev/null > /dev/$1/$address/$port" 2> /dev/null
if [ $? == 0 ]; then
echo YES
return 1
else
echo NO
return 0
fi
}
# test if connection is reachable
# usage: test_connection NAME URI
# NAME: name of the conneciton
# URI: {tcp,udp}://HOST:PORT
#
# return 1 on success, 0 otherwise
test_connection() {
printf "Test $1..."
# TCP or UDP?
if [[ $2 =~ ^tcp://.*$ ]]; then
address_port=$(echo $2 | sed 's/tcp:\/\///')
test_connection_by_protocol tcp $address_port
return $?
elif [[ $2 =~ ^udp://.*$ ]]; then
address_port=$(echo $2 | sed 's/udp:\/\///')
test_connection_by_protocol udp $address_port
return $?
fi
# always succeed for unkown protocols
return 1
}
# wait for all ports described in ENV variables of the form [A-Z]*_PORT
wait_for_services() {
echo "Check if all services are reachable:"
ok=0
while [[ $ok == 0 ]]; do
sleep 2
ok=1
for e in $(printenv); do
# still ok or can we skip that cycle?
if [[ $ok == 1 ]]; then
k=$(echo $e | sed 's/=.*//')
if [[ $k =~ ^[A-Z]*_PORT$ ]]; then
v=$(echo $e | sed 's/[^=]*=//')
test_connection $k $v
ok=$?
fi
fi
done
done
echo "DONE, all services are up"
}
init() {
# prepare bower installation
# bower is not able to handle absolute paths very well
mkdir -p $CFG_SHARED_FOLDER/static/vendors
ln -s $CFG_SHARED_FOLDER/static/vendors bower_components
rm .bowerrc
# set some additional configs to be in sync with the docker-compose
# setup. do this before the dev setup, because it sets some paths to
# avoid permission problems. hardcoding the cfg file is required,
# because starting invenio and asking for the path would try to create
# the storage paths and will fail.
# WARNING: Be careful when modifying the Invenio configuration file
# directly because the file is parsed as python and therefore a mistake
# will lead to a non-starting Invenio setup.
cfgfile=$INVENIOBASE_INSTANCE_PATH/invenio.cfg
mkdir -p $INVENIOBASE_INSTANCE_PATH
cat <<EOF >> "$cfgfile"
CFG_SITE_URL = u'http://localhost:28080'
CFG_SITE_SECURE_URL = u'http://localhost:28080'
CFG_BATCHUPLOADER_DAEMON_DIR = u'/home/invenio/var/batchupload'
CFG_BIBDOCFILE_FILEDIR = u'/home/invenio/var/data/files'
CFG_BIBEDIT_CACHEDIR = u'/home/invenio/var/tmp-shared/bibedit-cache'
CFG_BIBSCHED_LOGDIR = u'/home/invenio/var/log/bibsched'
CFG_BINDIR = u'/usr/local/bin'
CFG_CACHEDIR = u'/home/invenio/var/cache'
CFG_ETCDIR = u'/home/invenio/etc'
CFG_LOCALEDIR = u'/home/invenio/share/locale'
CFG_LOGDIR = u'/home/invenio/var/log'
CFG_PYLIBDIR = u'/usr/local/lib/python2.7'
CFG_RUNDIR = u'/home/invenio/var/run'
CFG_TMPDIR = u'/tmp/invenio-`hostname`'
CFG_TMPSHAREDDIR = u'/home/invenio/var/tmp-shared'
CFG_WEBDIR = u'/home/invenio/var/www'
DEPOSIT_STORAGEDIR = u'/home/invenio/var/data/deposit/storage'
EOF
# additional config through hook
# this can be used by overlays and module testers
if [ -n "$INVENIO_ADD_CONFIG" ]; then
for c in $INVENIO_ADD_CONFIG; do
cat $c >> "$cfgfile"
done
fi
# load dev config
/code/scripts/setup_devmode.sh
# final shot
inveniomanage database init --user=root --password=mysecretpassword --yes-i-know
inveniomanage database create
}
# before doing anything, we wait for our services
wait_for_services
# locked block
(
flock --exclusive 200
# init required?
if [ ! -f $CFG_MARKER_DONE ]; then
# check if a process tried to init but somehow failed
if [ -f $CFG_MARKER_RUNNING ]; then
echoerr 'Something went wrong. System is partial initialized and not recoverable!'
echoerr 'Deletion and recreation of containers is the recommended solution.'
exit 1
fi
touch $CFG_MARKER_RUNNING
init
# remember that we reached this point
touch $CFG_MARKER_DONE
rm -f $CFG_MARKER_RUNNING
fi
) 200>$CFG_MARKER_LOCK
# run payload
exec $@
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