Merge pull request #21 from jlfowle/master

Add support for warm storage

Author: lgallard

README.md

@@ -122,6 +122,9 @@ module "aws_es" {
 | cluster\_config\_instance\_count | Number of instances in the cluster | `number` | `3` | no |
 | cluster\_config\_instance\_type | Instance type of data nodes in the cluster | `string` | `"r5.large.elasticsearch"` | no |
 | cluster\_config\_zone\_awareness\_enabled | Indicates whether zone awareness is enabled. To enable awareness with three Availability Zones | `bool` | `false` | no |
+| cluster\_config\_warm\_enabled | Indicates whether to enable warm storage | `bool` | `false` | no |
+| cluster\_config\_warm\_count | The number of warm nodes in the cluster. Valid values are between 2 and 150. warm_count can be only and must be set when `warm_enabled` is set to true | `number` | `2` | no |
+| cluster\_config\_warm\_type | The instance type for the Elasticsearch cluster's warm nodes. Valid values are ultrawarm1.medium.elasticsearch, ultrawarm1.large.elasticsearch and ultrawarm1.xlarge.elasticsearch. warm_type can be only and must be set when warm_enabled is set to true | `string` | `ultrawarm1.medium.elasticsearch` | no |
 | cognito\_options | Options for Amazon Cognito Authentication for Kibana | `map` | `{}` | no |
 | cognito\_options\_enabled | Specifies whether Amazon Cognito authentication with Kibana is enabled or not | `bool` | `false` | no |
 | cognito\_options\_identity\_pool\_id | ID of the Cognito Identity Pool to use | `string` | `""` | no |

main.tf

@@ -73,6 +73,9 @@ resource "aws_elasticsearch_domain" "es_domain" {
       dedicated_master_type    = lookup(cluster_config.value, "dedicated_master_type")
       dedicated_master_count   = lookup(cluster_config.value, "dedicated_master_count")
       zone_awareness_enabled   = lookup(cluster_config.value, "zone_awareness_enabled")
+      warm_enabled             = lookup(cluster_config.value, "warm_enabled")
+      warm_count               = lookup(cluster_config.value, "warm_count")
+      warm_type                = lookup(cluster_config.value, "warm_type")
 
       dynamic "zone_awareness_config" {
         # cluster_availability_zone_count valid values: 2 or 3.
@@ -205,6 +208,9 @@ locals {
     dedicated_master_count   = lookup(var.cluster_config, "dedicated_master_count", null) == null ? var.cluster_config_dedicated_master_count : lookup(var.cluster_config, "dedicated_master_count")
     zone_awareness_enabled   = lookup(var.cluster_config, "zone_awareness_enabled", null) == null ? var.cluster_config_zone_awareness_enabled : lookup(var.cluster_config, "zone_awareness_enabled")
     availability_zone_count  = lookup(var.cluster_config, "availability_zone_count", null) == null ? var.cluster_config_availability_zone_count : lookup(var.cluster_config, "availability_zone_count")
+    warm_enabled             = lookup(var.cluster_config, "warm_enabled", null) == null ? var.cluster_config_warm_enabled : lookup(var.cluster_config, "warm_enabled")
+    warm_count               = lookup(var.cluster_config, "warm_count", null) == null ? var.cluster_config_warm_count : lookup(var.cluster_config, "warm_count")
+    warm_type                = lookup(var.cluster_config, "warm_type", null) == null ? var.cluster_config_warm_type : lookup(var.cluster_config, "warm_type")
   }
 
   cluster_config = [local.cluster_config_default]

variables.tf

@@ -193,6 +193,24 @@ variable "cluster_config_zone_awareness_enabled" {
   default     = false
 }
 
+variable "cluster_config_warm_enabled" {
+  description = "Indicates whether to enable warm storage"
+  type        = bool
+  default     = false
+}
+
+variable "cluster_config_warm_count" {
+  description = "The number of warm nodes in the cluster"
+  type        = number
+  default     = 2
+}
+
+variable "cluster_config_warm_type" {
+  description = "The instance type for the Elasticsearch cluster's warm nodes"
+  type        = string
+  default     = "ultrawarm1.medium.elasticsearch"
+}
+
 # snapshot_options
 variable "snapshot_options" {
   description = "Snapshot related options"