update the usage example in README.md

Author: alpha-p-2

README.md

@@ -17,23 +17,42 @@ This module allows you to easily deploy a MySQL database on Kubernetes using Hel
 ## Usage Example
 
 ```hcl
+module "aws" {
+  source                             = "squareops/mysql/kubernetes//provider/aws"
+  cluster_name                       = "prod-eks"
+  environment                        = "prod"
+  name                               = "mysql"
+  store_password_to_secret_manager   = true
+  mysqldb_custom_credentials_enabled = true
+  mysqldb_custom_credentials_config  = {
+    root_user            = "root"
+    root_password        = "RJDRIFsYC8ZS1WQuV0ps"
+    custom_username      = "admin"
+    custom_user_password = "NCPFUKEMd7rrWuvMAa73"
+    replication_user     = "replicator"
+    replication_password = "nvAHhm1uGQNYWVw6ZyAH"
+    exporter_user        = "mysqld_exporter"
+    exporter_password    = "ZawhvpueAehRdKFlbjaq"
+  }
+  custom_user_username               = local.mysqldb_custom_credentials_enabled ? "" : local.custom_user_username
+}
+
 module "mysql" {
-  source                   = "squareops/mysql/kubernetes"
-  cluster_name             = "dev-cluster"
+  source = "squareops/mysql/kubernetes"
   mysqldb_config = {
     name                             = "mysql"
-    values_yaml                      = ""
+    values_yaml                      = file("./helm/values.yaml")
     environment                      = "prod"
     architecture                     = "replication"
     storage_class_name               = "gp3"
-    custom_user_username             = "admin"
+    custom_user_username             = local.mysqldb_custom_credentials_enabled ? "" : local.custom_user_username
     primary_db_volume_size           = "10Gi"
     secondary_db_volume_size         = "10Gi"
     secondary_db_replica_count       = 2
     store_password_to_secret_manager = true
   }
   mysqldb_custom_credentials_enabled = true
-  mysqldb_custom_credentials_config = {
+  mysqldb_custom_credentials_config  = {
     root_user            = "root"
     root_password        = "RJDRIFsYC8ZS1WQuV0ps"
     custom_username      = "admin"
@@ -43,22 +62,28 @@ module "mysql" {
     exporter_user        = "mysqld_exporter"
     exporter_password    = "ZawhvpueAehRdKFlbjaq"
   }
-  mysqldb_backup_enabled   = true
+  root_password                      = local.mysqldb_custom_credentials_enabled ? "" : module.aws.root_password
+  metric_exporter_pasword            = local.mysqldb_custom_credentials_enabled ? "" : module.aws.metric_exporter_pasword
+  mysqldb_replication_user_password  = local.mysqldb_custom_credentials_enabled ? "" : module.aws.mysqldb_replication_user_password
+  custom_user_password               = local.mysqldb_custom_credentials_enabled ? "" : module.aws.custom_user_password
+  bucket_provider_type               = "s3"
+  iam_role_arn_backup                = module.aws.iam_role_arn_backup
+  mysqldb_backup_enabled             = true
   mysqldb_backup_config = {
-    bucket_uri        = ""
+    bucket_uri           = "s3://bucket_name"
     s3_bucket_region     = ""
-    cron_for_full_backup = "* * * * *"
+    cron_for_full_backup = "*/5 * * * *"
   }
   mysqldb_restore_enabled = true
+  iam_role_arn_restore    = module.aws.iam_role_arn_restore
   mysqldb_restore_config = {
-    bucket_uri    = ""
-    file_name     = ""
+    bucket_uri       = "s3://bucket_name/mysqldump_20230710_120501.zip"
+    file_name        = "mysqldump_20230710_120501.zip"
     s3_bucket_region = ""
   }
   mysqldb_exporter_enabled = true
 }
 
-
 ```
 - Refer [AWS examples](https://github.com/squareops/terraform-kubernetes-mysql/tree/main/examples/complete/aws) for more details.
 - Refer [Azure examples](https://github.com/squareops/terraform-kubernetes-mysql/tree/main/examples/complete/azure) for more details.