Database Technologies...!

Introduction How do you enable auditing in MySQL? There are multiple options including plugins, external tools, custom scripts etc. Among these using triggers is a popular and straight forward method when the audit scope is well defined. Specially when it is required set of application tables for DML this is a suitable option. Generating audit triggers can be tedious task as it will be repetitive task to create the triggers. Also, over time it would be difficult to track what tables are being audited for which options. Also using ad hoc audit triggers results in ad hoc audit meta data. Solution What if we can use built in MySQL procedure to have standard way to enable DML audit for given set of tables and track what tables being audited for which audit options. https://github.com/stefanhubb4/MySQLAudit_triggers.git This repo provide MySQL procedures that will help in creating DML (update, insert, delete) audit triggers quickly while managing metadata on audited tables. A...

Using Terraform for AWS RDS implementation is not new. It is a well defined process with required resources already defined by Hashicorp and AWS. But one pitfall associated with IAC as a whole is the possibility that some of the production implementation considerations that might have been covered when provisioning manually might not be highlighted when the infrastructure is initiated using terraform. Idea of this post is to list down such points and provide sample terraform script for production ready AWS Mysql rds.  1. Configure backups, maintenance windows, version upgrade preference. Make sure to include variables "rds_backupWindow" , variable "rds_maintenanceWindow", variable "rds_backupRetentionPeriod". Ensure time windows are set as per the timezone setting of AWS data center in use. Refer 02-rds-variables.tf.   2. Use separate file for parameter management. This should include all rds parameters such as db instance name, size and also the databa...