Add max_custom_on_demand_retention_days in Backup Plan

Author: Megha-Bose

mmv1/products/backupdr/BackupPlan.yaml

@@ -118,6 +118,10 @@ properties:
     description: |
       When the `BackupPlan` was last updated.
     output: true
+  - name: 'maxCustomOnDemandRetentionDays'
+    type: Integer
+    description: |
+      The maximum number of days for which an on-demand backup taken with custom retention can be retained.
   - name: 'backupRules'
     type: Array
     description: |

mmv1/templates/terraform/examples/backup_dr_backup_plan_for_disk_resource.tf.tmpl

@@ -11,6 +11,7 @@ resource "google_backup_dr_backup_plan" "{{$.PrimaryResourceId}}" {
   backup_plan_id = "{{index $.Vars "backup_plan_id"}}"
   resource_type  = "compute.googleapis.com/Disk"
   backup_vault   = google_backup_dr_backup_vault.my_backup_vault.id
+  max_custom_on_demand_retention_days = 30
 
   backup_rules {
     rule_id                = "rule-1"

mmv1/templates/terraform/examples/backup_dr_backup_plan_simple.tf.tmpl

@@ -9,6 +9,7 @@ resource "google_backup_dr_backup_plan" "{{$.PrimaryResourceId}}" {
   backup_plan_id = "{{index $.Vars "backup_plan_id"}}"
   resource_type  = "compute.googleapis.com/Instance"
   backup_vault   = google_backup_dr_backup_vault.my_backup_vault.id
+  max_custom_on_demand_retention_days = 30
 
   backup_rules {
     rule_id                = "rule-1"

mmv1/third_party/terraform/services/backupdr/resource_backup_dr_backup_plan_test.go

@@ -101,6 +101,7 @@ resource "google_backup_dr_backup_plan" "bp" {
   backup_plan_id = "tf-test-bp-test-%{random_suffix}"
   resource_type  = "compute.googleapis.com/Instance"
   backup_vault   = google_backup_dr_backup_vault.my-backup-vault.name
+  max_custom_on_demand_retention_days = 30
 
   backup_rules {
     rule_id                = "rule-1"
@@ -183,6 +184,7 @@ resource "google_backup_dr_backup_plan" "bp" {
   backup_plan_id = "tf-test-bp-test-%{random_suffix}"
   resource_type  = "compute.googleapis.com/Instance"
   backup_vault   = google_backup_dr_backup_vault.my-backup-vault.name
+  max_custom_on_demand_retention_days = 45
 
   backup_rules {
     rule_id                = "rule-1"