feat: Add in overwrite variable and pass through to the call to the ssm par… (#11)

Co-authored-by: Anton Babenko <393243+antonbabenko@users.noreply.github.com>
Co-authored-by: Anton Babenko <anton@antonbabenko.com>

Author: rockholla

README.md

@@ -198,6 +198,7 @@ No modules.
 | <a name="input_ignore_value_changes"></a> [ignore\_value\_changes](#input\_ignore\_value\_changes) | Whether to create SSM Parameter and ignore changes in value | `bool` | `false` | no |
 | <a name="input_key_id"></a> [key\_id](#input\_key\_id) | KMS key ID or ARN for encrypting a parameter (when type is SecureString) | `string` | `null` | no |
 | <a name="input_name"></a> [name](#input\_name) | Name of SSM parameter | `string` | `null` | no |
+| <a name="input_overwrite"></a> [overwrite](#input\_overwrite) | Overwrite an existing parameter. If not specified, defaults to false during create operations to avoid overwriting existing resources and then true for all subsequent operations once the resource is managed by Terraform. Only relevant if ignore\_value\_changes is false. | `bool` | `false` | no |
 | <a name="input_secure_type"></a> [secure\_type](#input\_secure\_type) | Whether the type of the value should be considered as secure or not? | `bool` | `false` | no |
 | <a name="input_tags"></a> [tags](#input\_tags) | A mapping of tags to assign to resources | `map(string)` | `{}` | no |
 | <a name="input_tier"></a> [tier](#input\_tier) | Parameter tier to assign to the parameter. If not specified, will use the default parameter tier for the region. Valid tiers are Standard, Advanced, and Intelligent-Tiering. Downgrading an Advanced tier parameter to Standard will recreate the resource. | `string` | `null` | no |

main.tf

@@ -24,6 +24,8 @@ resource "aws_ssm_parameter" "this" {
   allowed_pattern = var.allowed_pattern
   data_type       = var.data_type
 
+  overwrite = var.overwrite
+
   tags = var.tags
 }
 

variables.tf

@@ -79,3 +79,9 @@ variable "tags" {
   type        = map(string)
   default     = {}
 }
+
+variable "overwrite" {
+  description = "Overwrite an existing parameter. If not specified, defaults to false during create operations to avoid overwriting existing resources and then true for all subsequent operations once the resource is managed by Terraform. Only relevant if ignore_value_changes is false."
+  type        = bool
+  default     = false
+}

wrappers/main.tf

@@ -10,6 +10,7 @@ module "wrapper" {
   ignore_value_changes = try(each.value.ignore_value_changes, var.defaults.ignore_value_changes, false)
   key_id               = try(each.value.key_id, var.defaults.key_id, null)
   name                 = try(each.value.name, var.defaults.name, null)
+  overwrite            = try(each.value.overwrite, var.defaults.overwrite, false)
   secure_type          = try(each.value.secure_type, var.defaults.secure_type, false)
   tags                 = try(each.value.tags, var.defaults.tags, {})
   tier                 = try(each.value.tier, var.defaults.tier, null)