require changes done for backup and restore

Author: amansquareops-ops

examples/complete/aws/main.tf

@@ -64,14 +64,15 @@ module "mysql" {
   iam_role_arn_backup                = module.aws.iam_role_arn_backup
   mysqldb_backup_enabled             = true
   mysqldb_backup_config = {
-    bucket_uri           = "s3://bucket_name"
+    mysql_database_name  = ""
+    bucket_uri           = "s3://bucket_name/backup/"
     s3_bucket_region     = ""
     cron_for_full_backup = "*/5 * * * *"
   }
   mysqldb_restore_enabled = true
   iam_role_arn_restore    = module.aws.iam_role_arn_restore
   mysqldb_restore_config = {
-    bucket_uri       = "s3://bucket_name/mysqldump_20230710_120501.zip"
+    bucket_uri       = "s3://bucket_name/backup/mysqldump_20230710_120501.zip"
     file_name        = "mysqldump_20230710_120501.zip"
     s3_bucket_region = ""
   }

helm/values/backup/values.yaml

@@ -3,6 +3,7 @@ backup:
   bucket_uri: ${bucket_uri}
   aws_default_region: ${s3_bucket_region}
   cron_for_full_backup: "${cron_for_full_backup}"
+  database_name: "${mysql_database_name}"
 
 
 annotations:

main.tf

@@ -45,6 +45,7 @@ resource "helm_release" "mysqldb_backup" {
   values = [
     templatefile("${path.module}/helm/values/backup/values.yaml", {
       bucket_uri                 = var.mysqldb_backup_config.bucket_uri,
+      mysql_database_name        = var.bucket_provider_type == "s3" ? var.mysqldb_backup_config.mysql_database_name : "",
       s3_bucket_region           = var.bucket_provider_type == "s3" ? var.mysqldb_backup_config.s3_bucket_region : "",
       cron_for_full_backup       = var.mysqldb_backup_config.cron_for_full_backup,
       custom_user_username       = "root",

modules/backup/templates/cronjob.yaml

@@ -27,6 +27,8 @@ spec:
               value: mysqldb-secondary-headless.{{ .Release.Namespace }}.svc.cluster.local
             - name: MYSQL_USER
               value: {{ .Values.auth.username }}
+            - name: DATABASES
+              value: {{ .Values.backup.database_name }}
             - name: MYSQL_PASSWORD
               valueFrom:
                 secretKeyRef:

variables.tf

@@ -66,8 +66,9 @@ variable "mysqldb_backup_config" {
     bucket_uri           = ""
     s3_bucket_region     = ""
     cron_for_full_backup = ""
+    mysql_database_name  = ""
   }
-  description = "configuration options for MySQL database backups. It includes properties such as the S3 bucket URI, the S3 bucket region, and the cron expression for full backups."
+  description = "configuration options for MySQL database backups. It includes properties such as the S3 bucket URI, the S3 bucket region, cron expression for full backups and the database name to take backup of particular database or if send empty it backup whole database "
 }
 
 variable "mysqldb_exporter_enabled" {