[add] - add some instruction when working with rds(aurora)

Author: lamhaison

common/hep_aws_rds.sh

@@ -0,0 +1,51 @@
+aws_help_install_mysql_client_5_7() {
+
+	echo \
+		"
+		sudo rpm -Uvh https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm
+		rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022
+		yum install -y mysql-community-client
+	"
+}
+
+aws_help_rds_list_bin_logs() {
+	echo \
+		"show binary logs;"
+}
+
+aws_help_start_stop_replication() {
+	echo "CALL mysql.rds_start_replication;"
+	echo "CALL mysql.rds_stop_replication;"
+}
+
+aws_help_rds_aurora_set_replication() {
+	echo \
+		"
+		aws_rds_list_events
+		CALL mysql.rds_set_external_master ('master_address', 3306, \
+			'repl_user', '123456', 'mysql-bin-changelog.000002', 1234, 0);
+	"
+}
+
+aws_help_rds_aurora_test_replication() {
+
+	echo \
+		"
+
+		# On master
+		CREATE TABLE IF NOT EXISTS tasks (
+    		task_id INT AUTO_INCREMENT PRIMARY KEY
+		)  ENGINE=INNODB;
+
+		DB_USER=xxx
+		DB_PASSWD=xxx
+		DB_NAME=xxx
+		DB_ADDRESS=xxx
+		mysql --user=$DB_USER --password=$DB_PASSWD $DB_NAME -h $DB_ADDRESS << EOF
+    		INSERT INTO tasks (\`task_id\`) VALUES (NULL);
+		EOF
+
+		# On slave
+		select * from tasks;
+	"
+}