add custom_header variable to send custom headers to origin (#47)

README.md

@@ -142,6 +142,7 @@ Available targets:
 | compress | Whether you want CloudFront to automatically compress content for web requests that include Accept-Encoding: gzip in the request header (default: false) | `bool` | `false` | no |
 | 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. | <pre>object({<br>    enabled             = bool<br>    namespace           = string<br>    environment         = string<br>    stage               = string<br>    name                = string<br>    delimiter           = string<br>    attributes          = list(string)<br>    tags                = map(string)<br>    additional_tag_map  = map(string)<br>    regex_replace_chars = string<br>    label_order         = list(string)<br>    id_length_limit     = number<br>  })</pre> | <pre>{<br>  "additional_tag_map": {},<br>  "attributes": [],<br>  "delimiter": null,<br>  "enabled": true,<br>  "environment": null,<br>  "id_length_limit": null,<br>  "label_order": [],<br>  "name": null,<br>  "namespace": null,<br>  "regex_replace_chars": null,<br>  "stage": null,<br>  "tags": {}<br>}</pre> | no |
 | custom\_error\_response | List of one or more custom error response element maps | <pre>list(object({<br>    error_caching_min_ttl = string<br>    error_code            = string<br>    response_code         = string<br>    response_page_path    = string<br>  }))</pre> | `[]` | no |
+| custom\_header | List of one or more custom headers passed to the origin | <pre>list(object({<br>    name  = string<br>    value = string<br>  }))</pre> | `[]` | no |
 | default\_root\_object | Object that CloudFront return when requests the root URL | `string` | `"index.html"` | no |
 | default\_ttl | Default amount of time (in seconds) that an object is in a CloudFront cache | `number` | `60` | no |
 | delimiter | Delimiter to be used between `namespace`, `environment`, `stage`, `name` and `attributes`.<br>Defaults to `-` (hyphen). Set to `""` to use no delimiter at all. | `string` | `null` | no |

docs/terraform.md

@@ -27,6 +27,7 @@
 | compress | Whether you want CloudFront to automatically compress content for web requests that include Accept-Encoding: gzip in the request header (default: false) | `bool` | `false` | no |
 | 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. | <pre>object({<br>    enabled             = bool<br>    namespace           = string<br>    environment         = string<br>    stage               = string<br>    name                = string<br>    delimiter           = string<br>    attributes          = list(string)<br>    tags                = map(string)<br>    additional_tag_map  = map(string)<br>    regex_replace_chars = string<br>    label_order         = list(string)<br>    id_length_limit     = number<br>  })</pre> | <pre>{<br>  "additional_tag_map": {},<br>  "attributes": [],<br>  "delimiter": null,<br>  "enabled": true,<br>  "environment": null,<br>  "id_length_limit": null,<br>  "label_order": [],<br>  "name": null,<br>  "namespace": null,<br>  "regex_replace_chars": null,<br>  "stage": null,<br>  "tags": {}<br>}</pre> | no |
 | custom\_error\_response | List of one or more custom error response element maps | <pre>list(object({<br>    error_caching_min_ttl = string<br>    error_code            = string<br>    response_code         = string<br>    response_page_path    = string<br>  }))</pre> | `[]` | no |
+| custom\_header | List of one or more custom headers passed to the origin | <pre>list(object({<br>    name  = string<br>    value = string<br>  }))</pre> | `[]` | no |
 | default\_root\_object | Object that CloudFront return when requests the root URL | `string` | `"index.html"` | no |
 | default\_ttl | Default amount of time (in seconds) that an object is in a CloudFront cache | `number` | `60` | no |
 | delimiter | Delimiter to be used between `namespace`, `environment`, `stage`, `name` and `attributes`.<br>Defaults to `-` (hyphen). Set to `""` to use no delimiter at all. | `string` | `null` | no |

examples/complete/variables.tf

@@ -33,6 +33,16 @@ variable "custom_error_response" {
   default     = []
 }
 
+variable "custom_header" {
+  type = list(object({
+    name  = string
+    value = string
+  }))
+
+  description = "List of one or more custom headers passed to the origin"
+  default     = []
+}
+
 variable "web_acl_id" {
   description = "(Optional) - Web ACL ID that can be attached to the Cloudfront distribution"
   default     = ""

main.tf

@@ -68,6 +68,16 @@ resource "aws_cloudfront_distribution" "default" {
       origin_keepalive_timeout = var.origin_keepalive_timeout
       origin_read_timeout      = var.origin_read_timeout
     }
+
+    dynamic custom_header {
+      for_each = var.custom_header
+      content {
+        name  = custom_header.value.name
+        value = custom_header.value.value
+      }
+    }
+
+
   }
 
   viewer_certificate {

variables.tf

@@ -36,6 +36,16 @@ variable "custom_error_response" {
   default     = []
 }
 
+variable "custom_header" {
+  type = list(object({
+    name  = string
+    value = string
+  }))
+
+  description = "List of one or more custom headers passed to the origin"
+  default     = []
+}
+
 variable "web_acl_id" {
   type        = string
   description = "ID of the AWS WAF web ACL that is associated with the distribution"