Set charset as utf8 for RDS

rds-utf8.sh

#!/usr/bin/env bash
set -u
set -e
GROUP="$1"
PARAMS="character_set_client character_set_connection character_set_database character_set_results character_set_server"

for param in $PARAMS; do
        echo Set $param to utf8
        rds-modify-db-parameter-group "$GROUP" -p "name=$param, value=utf8, method=immediate"
done

# set lower_case_table_names=1 (requires reboot), rds-reboot-db-instance "$GROUP"
rds-modify-db-parameter-group "$GROUP" -p "name=lower_case_table_names, value=1, method=pending-reboot"