#!/bin/bash conffile="[@]LODEL2_CONFDIR[@]/mass_deploy.cfg" badconf() { echo -e "Either the file $conffile cannot be found or it didn't contains expected informations\n\nThe conffile is expected to define MONGODB_ADMIN_USER and MONGODB_ADMIN_PASSWORD variables" >&2 exit 1 } mongodb_connfail() { echo -e "Credential from $conffile seems to be incorrect. Unable to connect on admin db" >&2 exit 2 } usage() { echo -e "Usage : $0 (N|purgedb|-h|--help) [FIXED_NAME] \tWith : \t\t- N the number of instances to create \t\t- purgedb is to remove all created mongodb db\n" } slim_fails() { if [ -z "$1" ] then echo "SLIM fails for some reason. Abording..." >&2 else echo "SLIM fails when $1. Abording...." >&2 fi echo "It can be a good idea to run '$0 purgedb' and 'slim -p' now that mass_deploy just crashed. Those commands should be able to clean the mess ;)" exit 1 } fixed_name="$2" test -f $conffile || badconf #Load conffile . $conffile test -z "$MONGODB_ADMIN_USER" && badconf test -z "$MONGODB_ADMIN_PASSWORD" && badconf $MONGODB_HOST=${MONGODB_HOST:="127.0.0.1"} if [ -z "$fixed_name" ] then #Check for the presence of /usr/share/dict/words to generate random names if [ -f '/usr/share/dict/words' ] then echo "/usr/share/dict/words found. Using this file as source for random names" random_name=$(sed -nE 's/^([A-Za-z0-9]+)$/\1/p' /usr/share/dict/words |shuf|head -n1) else echo -e "\n\n\tWarning... /usr/share/dict/words not found using \$RANDOM for random names generation" random_name=$RANDOM fi else random_name="$fixed_name" fi #Check for the presence of mongo and its conf if hash mongo 2>/dev/null then echo "Mongo found" else echo "You need mongo on this host to do a mass deploy !" >&2 exit fi if [ -f "/etc/mongodb.conf" ] then if cat /etc/mongodb.conf |grep -E '^ *auth *= *true *$' >/dev/null then echo "OK, auth enabled" else echo "WARNING : auth seems disabled on mongod !" >&2 fi else echo "/etc/mongodb.conf not found. Unable to check if auth is on" fi echo "exit" | mongo $MONGODB_HOST --quiet -u "$MONGODB_ADMIN_USER" -p "$MONGODB_ADMIN_PASSWORD" --authenticationDatabase admin &>/dev/null || mongodb_connfail if [ "$1" == 'purgedb' ] then if [ -z "$MONGODB_DB_PREFIX" ] then echo -e "MONGODB_DB_PREFIX not indicated in $conffile. Using purgedb without prefix is really a bad idea... It will result in a deletion of ALL db.\nexiting." exit 3 fi echo -n "Are you sure you want to delete all mongo database with name begining with '$MONGODB_DB_PREFIX' ? Y/n " read rep if [ "$rep" = "Y" ] then for dbname in $(echo "show dbs" | mongo $MONGODB_HOST --quiet -u "$MONGODB_ADMIN_USER" -p "$MONGODB_ADMIN_PASSWORD" --authenticationDatabase admin |grep "^$MONGODB_DB_PREFIX"|cut -f1) do mongo --host $MONGODB_HOST -u "$MONGODB_ADMIN_USER" -p "$MONGODB_ADMIN_PASSWORD" --quiet --eval 'db.dropDatabase()' --authenticationDatabase admin $dbname && echo "$dbname succesfully deleted" || echo "$dbname deletion fails" >&2 done echo "Done." else echo "You didn't answer 'Y' (case matters), exiting" fi exit elif echo $1 | grep -E "[A-Za-z]" &>/dev/null then usage exit 0 fi #Check for the presence of pwgen for password generation if hash pwgen 2>/dev/null then echo "Using pwgen to generate passwords" rnd_pass_cmd='pwgen 25 1' else echo -e "\n\n\tpwgen not found... Using \$RANDOM to generate passwords\n\n" rnd_pass_cmd='echo $RANDOM' fi ninstance=$1 instance=${ninstance:=50} echo -n "You are going to create $ninstance lodel2 instances. Are you sure ? Y/n " read rep if [ "$rep" = "Y" ] then echo "GO ! (you have 3 secs to cancel)" sleep 3 else echo "You didn't answer 'Y' (case matters), exiting" exit fi echo "Creating instances" for i in $(seq $ninstance) do iname="${random_name}_$(printf "%05d" $i)" slim -n $iname -c || slim_fails "creating instance" slim -n $iname -s --interface web --static-url 'http://127.0.0.1/static' --uwsgi-workers 2 || slim_fails "configuring instancee" slim -n $iname -m || slim_fails "running make in instance" #Mongo db database creation dbname="${MONGODB_DB_PREFIX}_$iname" dbuser="lodel2_$iname" dbpass=$($rnd_pass_cmd) mongo $MONGODB_HOST -u "$MONGODB_ADMIN_USER" -p "$MONGODB_ADMIN_PASSWORD" --authenticationDatabase admin <