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@crizstian
Created April 12, 2019 21:27
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#!/bin/bash
exec > >(tee /var/log/user-data.log|logger -t user-data -s 2>/dev/console) 2>&1
. /etc/environment
. /var/mongo/hosts.sh
# @params container volume
function recreateContainer {
serv=$(howManyServers)
keyfile="mongo-keyfile"
port="$DB_PORT:$DB_PORT"
p=$DB_PORT
echo '·· recreating container >>>> '$1' ··'
#create container with sercurity and replica configuration
docker run --restart=unless-stopped --name $1 --hostname $1 \
-v mongo_storage:/data \
$serv \
-p $port \
-d mongo --smallfiles \
--keyFile /data/keyfile/$keyfile \
--replSet $DB_REPLSET_NAME \
--storageEngine wiredTiger \
--port $p \
--bind_ip 0.0.0.0
# verify if container is ready
wait_for_databases
echo '·······························'
echo '· CONTAINER '$1' CREATED ··'
echo '·······························'
}
function wait_for {
echo ">>>>>>>>>>> waiting for mongodb"
start_ts=$(date +%s)
while :
do
(echo > /dev/tcp/$1/$2) >/dev/null 2>&1
result=$?
if [[ $result -eq 0 ]]; then
end_ts=$(date +%s)
echo "<<<<< $1:$2 is available after $((end_ts - start_ts)) seconds"
sleep 3
break
fi
sleep 5
done
}
function wait_for_databases {
ip=`ip -f inet addr show eth0 | grep -Po 'inet \K[\d.]+'`
# make tcp call
echo "IP == $ip PORT == 27017"
wait_for "$ip" 27017
}
recreateContainer $DB_HOST
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