entrypoint optimizations, closes #4 #5 #7

entrypoint.sh

@@ -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
-