Add cold storage support (#148)

* Add cold storage support

* Auto Format

* Try to fix cloud_storage error for Elasticsearch version prior 7.9

* Auto Format

---------

Co-authored-by: cloudpossebot <[email protected]>
Co-authored-by: Igor Rodionov <[email protected]>

Author: 3 people

README.md

@@ -222,6 +222,7 @@ Available targets:
 | <a name="input_cognito_iam_role_arn"></a> [cognito\_iam\_role\_arn](#input\_cognito\_iam\_role\_arn) | ARN of the IAM role that has the AmazonESCognitoAccess policy attached | `string` | `""` | no |
 | <a name="input_cognito_identity_pool_id"></a> [cognito\_identity\_pool\_id](#input\_cognito\_identity\_pool\_id) | The ID of the Cognito Identity Pool to use | `string` | `""` | no |
 | <a name="input_cognito_user_pool_id"></a> [cognito\_user\_pool\_id](#input\_cognito\_user\_pool\_id) | The ID of the Cognito User Pool to use | `string` | `""` | no |
+| <a name="input_cold_storage_enabled"></a> [cold\_storage\_enabled](#input\_cold\_storage\_enabled) | Enables cold storage support. | `bool` | `false` | no |
 | <a name="input_context"></a> [context](#input\_context) | Single object for setting entire context at once.<br>See description of individual variables for details.<br>Leave string and numeric variables as `null` to use default value.<br>Individual variable settings (non-null) override settings in context object,<br>except for attributes, tags, and additional\_tag\_map, which are merged. | `any` | <pre>{<br>  "additional_tag_map": {},<br>  "attributes": [],<br>  "delimiter": null,<br>  "descriptor_formats": {},<br>  "enabled": true,<br>  "environment": null,<br>  "id_length_limit": null,<br>  "label_key_case": null,<br>  "label_order": [],<br>  "label_value_case": null,<br>  "labels_as_tags": [<br>    "unset"<br>  ],<br>  "name": null,<br>  "namespace": null,<br>  "regex_replace_chars": null,<br>  "stage": null,<br>  "tags": {},<br>  "tenant": null<br>}</pre> | no |
 | <a name="input_create_iam_service_linked_role"></a> [create\_iam\_service\_linked\_role](#input\_create\_iam\_service\_linked\_role) | Whether to create `AWSServiceRoleForAmazonElasticsearchService` service-linked role. Set it to `false` if you already have an ElasticSearch cluster created in the AWS account and AWSServiceRoleForAmazonElasticsearchService already exists. See https://github.com/terraform-providers/terraform-provider-aws/issues/5218 for more info | `bool` | `true` | no |
 | <a name="input_custom_endpoint"></a> [custom\_endpoint](#input\_custom\_endpoint) | Fully qualified domain for custom endpoint. | `string` | `""` | no |

docs/terraform.md

@@ -59,6 +59,7 @@
 | <a name="input_cognito_iam_role_arn"></a> [cognito\_iam\_role\_arn](#input\_cognito\_iam\_role\_arn) | ARN of the IAM role that has the AmazonESCognitoAccess policy attached | `string` | `""` | no |
 | <a name="input_cognito_identity_pool_id"></a> [cognito\_identity\_pool\_id](#input\_cognito\_identity\_pool\_id) | The ID of the Cognito Identity Pool to use | `string` | `""` | no |
 | <a name="input_cognito_user_pool_id"></a> [cognito\_user\_pool\_id](#input\_cognito\_user\_pool\_id) | The ID of the Cognito User Pool to use | `string` | `""` | no |
+| <a name="input_cold_storage_enabled"></a> [cold\_storage\_enabled](#input\_cold\_storage\_enabled) | Enables cold storage support. | `bool` | `false` | no |
 | <a name="input_context"></a> [context](#input\_context) | Single object for setting entire context at once.<br>See description of individual variables for details.<br>Leave string and numeric variables as `null` to use default value.<br>Individual variable settings (non-null) override settings in context object,<br>except for attributes, tags, and additional\_tag\_map, which are merged. | `any` | <pre>{<br>  "additional_tag_map": {},<br>  "attributes": [],<br>  "delimiter": null,<br>  "descriptor_formats": {},<br>  "enabled": true,<br>  "environment": null,<br>  "id_length_limit": null,<br>  "label_key_case": null,<br>  "label_order": [],<br>  "label_value_case": null,<br>  "labels_as_tags": [<br>    "unset"<br>  ],<br>  "name": null,<br>  "namespace": null,<br>  "regex_replace_chars": null,<br>  "stage": null,<br>  "tags": {},<br>  "tenant": null<br>}</pre> | no |
 | <a name="input_create_iam_service_linked_role"></a> [create\_iam\_service\_linked\_role](#input\_create\_iam\_service\_linked\_role) | Whether to create `AWSServiceRoleForAmazonElasticsearchService` service-linked role. Set it to `false` if you already have an ElasticSearch cluster created in the AWS account and AWSServiceRoleForAmazonElasticsearchService already exists. See https://github.com/terraform-providers/terraform-provider-aws/issues/5218 for more info | `bool` | `true` | no |
 | <a name="input_custom_endpoint"></a> [custom\_endpoint](#input\_custom\_endpoint) | Fully qualified domain for custom endpoint. | `string` | `""` | no |

main.tf

@@ -158,6 +158,13 @@ resource "aws_elasticsearch_domain" "default" {
         availability_zone_count = var.availability_zone_count
       }
     }
+
+    dynamic "cold_storage_options" {
+      for_each = var.cold_storage_enabled ? [true] : []
+      content {
+        enabled = var.cold_storage_enabled
+      }
+    }
   }
 
   dynamic "auto_tune_options" {

variables.tf

@@ -370,6 +370,12 @@ variable "custom_endpoint_certificate_arn" {
   default     = ""
 }
 
+variable "cold_storage_enabled" {
+  type        = bool
+  description = "Enables cold storage support."
+  default     = false
+}
+
 variable "auto_tune" {
   type = object({
     enabled             = bool
@@ -410,4 +416,5 @@ variable "auto_tune" {
     condition     = contains(["DEFAULT_ROLLBACK", "NO_ROLLBACK"], var.auto_tune.rollback_on_disable)
     error_message = "Variable auto_tune.rollback_on_disable valid values: DEFAULT_ROLLBACK or NO_ROLLBACK."
   }
-}
+}
+