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entrypoint optimizations, closes #4 #5 #7

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This commit is contained in:
Christoph Wiechert
2017-11-29 14:53:53 +01:00
parent b8e87c8836
commit 52e358782c
1 changed files with 32 additions and 31 deletions
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63
entrypoint.sh
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@@ -6,47 +6,48 @@ set -e
# treat everything except -- as exec cmd
[ "${1:0:2}" != "--" ] && exec "$@"
# Set MySQL Credentials in pdns.conf
if $MYSQL_AUTOCONF ; then
# Set MySQL Credentials in pdns.conf
sed -r -i "s/^[# ]*gmysql-host=.*/gmysql-host=${MYSQL_HOST}/g" /etc/pdns/pdns.conf
sed -r -i "s/^[# ]*gmysql-port=.*/gmysql-port=${MYSQL_PORT}/g" /etc/pdns/pdns.conf
sed -r -i "s/^[# ]*gmysql-user=.*/gmysql-user=${MYSQL_USER}/g" /etc/pdns/pdns.conf
sed -r -i "s/^[# ]*gmysql-password=.*/gmysql-password=${MYSQL_PASS}/g" /etc/pdns/pdns.conf
sed -r -i "s/^[# ]*gmysql-dbname=.*/gmysql-dbname=${MYSQL_DB}/g" /etc/pdns/pdns.conf
MYSQLCMD="mysql --host='${MYSQL_HOST}' --user='${MYSQL_USER}' --password='${MYSQL_PASS}' -r -N"
# wait for Database come ready
isDBup () {
echo "SHOW STATUS" | $MYSQLCMD 1>/dev/null
echo $?
}
RETRY=10
until [ `isDBup` -eq 0 ] || [ $RETRY -le 0 ] ; do
echo "Waiting for database to come up"
sleep 5
RETRY=$(expr $RETRY - 1)
done
if [ $RETRY -le 0 ]; then
>&2 echo Error: Could not connect to Database on $MYSQL_HOST:$MYSQL_PORT
exit 1
fi
# init database if necessary
echo "CREATE DATABASE IF NOT EXISTS $MYSQL_DB;" | $MYSQLCMD
MYSQLCMD="$MYSQLCMD $MYSQL_DB"
if [ "$(echo "SELECT COUNT(*) FROM information_schema.tables WHERE table_schema = \"$MYSQL_DB\";" | $MYSQLCMD)" -le 1 ]; then
echo Initializing Database
cat /etc/pdns/schema.sql | $MYSQLCMD
fi
unset -v MYSQL_PASS
fi
MYSQLCMD="mysql -h $MYSQL_HOST -u $MYSQL_USER -p$MYSQL_PASS -r -N"
# wait for Database come ready
isDBup () {
echo "SHOW STATUS" | $MYSQLCMD 1>/dev/null
echo $?
}
RETRY=10
until [ `isDBup` -eq 0 ] || [ $RETRY -le 0 ] ; do
echo "Waiting for database to come up"
sleep 5
RETRY=$(expr $RETRY - 1)
done
if [ $RETRY -le 0 ]; then
>&2 echo Error: Could not connect to Database on $MYSQL_HOST:$MYSQL_PORT
exit 1
fi
# init database if necessary
echo "CREATE DATABASE IF NOT EXISTS $MYSQL_DB;" | $MYSQLCMD
MYSQLCMD="$MYSQLCMD $MYSQL_DB"
if [ "$(echo "SELECT COUNT(*) FROM information_schema.tables WHERE table_schema = \"$MYSQL_DB\";" | $MYSQLCMD)" -le 1 ]; then
echo Initializing Database
cat /etc/pdns/schema.sql | $MYSQLCMD
fi
# Run pdns server
trap "pdns_control quit" SIGHUP SIGINT SIGTERM
pdns_server "$@" &
wait