Merge pull request #50 from sourcefuse/feature/option-to-hanlde-r53

Fix for issue #49

Author: nikhilk145

docs/arc-iac-docs/modules/terraform-aws-arc-cloudfront/README.md

@@ -222,7 +222,7 @@ module "cloudfront" {
 
 | Name | Description | Type | Default | Required |
 |------|-------------|------|---------|:--------:|
-| <a name="input_acm_details"></a> [acm\_details](#input\_acm\_details) | Details required for creating certificate<br/>eg. {<br/>		domain\_name               = "test.com",<br/>		subject\_alternative\_names = ["www.test.com"]<br/>	} | <pre>object({<br/>    domain_name               = string,<br/>    subject_alternative_names = list(string),<br/>  })</pre> | <pre>{<br/>  "domain_name": "",<br/>  "subject_alternative_names": []<br/>}</pre> | no |
+| <a name="input_acm_details"></a> [acm\_details](#input\_acm\_details) | Details required for creating certificate<br/>eg. {<br/>		domain\_name               = "test.com"<br/>		subject\_alternative\_names = ["www.test.com"]<br/>	} | <pre>object({<br/>    domain_name               = optional(string, null)<br/>    subject_alternative_names = optional(list(string), [])<br/>  })</pre> | <pre>{<br/>  "domain_name": null,<br/>  "subject_alternative_names": []<br/>}</pre> | no |
 | <a name="input_aliases"></a> [aliases](#input\_aliases) | Fully qualified domain name for site being hosted | `list(string)` | n/a | yes |
 | <a name="input_cache_behaviors"></a> [cache\_behaviors](#input\_cache\_behaviors) | Set the cache behaviors for the distribution , Note:-  You cannot use an origin request policy in a cache behavior without a cache policy. | <pre>list(object({<br/>    origin_id                               = string // should be same as what is given in origins<br/>    path_pattern                            = string<br/>    allowed_methods                         = list(string)<br/>    cached_methods                          = list(string)<br/>    response_headers_policy_name            = optional(string, null)<br/>    use_aws_managed_response_headers_policy = optional(bool, false)<br/>    function_association = optional(list(object({ // Specific event to trigger this function. Valid values: viewer-request or viewer-response.<br/>      event_type   = string,<br/>      function_arn = string<br/>    })))<br/>    lambda_function_association = optional(list(object({ // A config block that triggers a lambda function with specific actions (maximum 4).<br/>      event_type   = string,<br/>      lambda_arn   = string,<br/>      include_body = bool // When set to true it exposes the request body to the lambda function.<br/>    })))<br/>    use_aws_managed_cache_policy          = bool,<br/>    cache_policy_name                     = string, // It can be custom or aws managed policy name , if custom cache_policies variable key should match<br/>    use_aws_managed_origin_request_policy = optional(bool),<br/>    origin_request_policy_name            = optional(string), // It can be custom or aws managed policy name , if custom origin_request_policies variable key should match<br/>    compress                              = bool,<br/>    viewer_protocol_policy                = string<br/>  }))</pre> | `[]` | no |
 | <a name="input_cache_policies"></a> [cache\_policies](#input\_cache\_policies) | Cache policies,<br/>eg. {<br/>	"cache-policy-1" = {<br/>	default\_ttl = 86400,<br/>	max\_ttl     = 31536000,<br/>	min\_ttl     = 0,<br/>	cookies\_config = {<br/>		cookie\_behavior = "none",<br/>		items           = []<br/>	},<br/>	headers\_config = {<br/>		header\_behavior = "whitelist",<br/>		items           = ["Authorization", "Origin", "Accept", "Access-Control-Request-Method", "Access-Control-Request-Headers", "Referer"]<br/>	},<br/>	query\_string\_behavior = {<br/>		header\_behavior = "none",<br/>		items           = []<br/>	},<br/>	query\_strings\_config = {<br/>		query\_string\_behavior = "none",<br/>		items                 = []<br/>	}<br/>} } | <pre>map(object(<br/>    {<br/>      default_ttl = number,<br/>      max_ttl     = number,<br/>      min_ttl     = number,<br/>      cookies_config = object({<br/>        cookie_behavior = string<br/>        items           = list(string)<br/>      }),<br/>      headers_config = object({<br/>        header_behavior = string<br/>        items           = list(string)<br/>      }),<br/>      query_strings_config = object({<br/>        query_string_behavior = string<br/>        items                 = list(string)<br/>      })<br/>    }<br/>  ))</pre> | `{}` | no |
@@ -242,7 +242,7 @@ module "cloudfront" {
 | <a name="input_response_headers_policy"></a> [response\_headers\_policy](#input\_response\_headers\_policy) | Header policies,<br/>eg. {<br/>	"response-header-policy-1" = {<br/>	default\_ttl = 86400,<br/>	max\_ttl     = 31536000,<br/>	min\_ttl     = 0,<br/>	cookies\_config = {<br/>		cookie\_behavior = "none",<br/>		items           = []<br/>	},<br/>	headers\_config = {<br/>		header\_behavior = "whitelist",<br/>		items           = ["Authorization", "Origin", "Accept", "Access-Control-Request-Method", "Access-Control-Request-Headers", "Referer"]<br/>	},<br/>	query\_string\_behavior = {<br/>		header\_behavior = "none",<br/>		items           = []<br/>	},<br/>	query\_strings\_config = {<br/>		query\_string\_behavior = "none",<br/>		items                 = []<br/>	}<br/>} } | <pre>map(object(<br/>    {<br/>      name    = string<br/>      comment = optional(string, "")<br/>      cors_config = optional(object({<br/>        access_control_allow_credentials = bool<br/>        access_control_allow_headers = object({<br/>          items = list(string)<br/>        })<br/>        access_control_allow_methods = object({<br/>          items = list(string)<br/>        })<br/>        access_control_allow_origins = object({<br/>          items = list(string)<br/>        })<br/>        access_control_expose_headers = object({<br/>          items = list(string)<br/>        })<br/>        access_control_max_age_sec = number<br/>        origin_override            = bool<br/>      })),<br/>      server_timing_headers_config = optional(object({<br/>        enabled       = bool<br/>        sampling_rate = number<br/>        }),<br/>        {<br/>          enabled       = false<br/>          sampling_rate = 0<br/>      }),<br/><br/>      remove_headers_config = optional(object({<br/>        items = list(string)<br/>      }))<br/>      custom_headers_config = optional(object({<br/>        items = list(object({<br/>          header   = string<br/>          override = bool<br/>          value    = string<br/>      })) }), null)<br/><br/>      security_headers_config = optional(object({<br/>        content_type_options = object({<br/>          override = bool<br/>        })<br/>        frame_options = object({<br/>          frame_option = string<br/>          override     = bool<br/>        })<br/>        referrer_policy = object({<br/>          referrer_policy = string<br/>          override        = bool<br/>        })<br/>        xss_protection = object({<br/>          mode_block = bool<br/>          protection = bool<br/>          override   = bool<br/>          report_uri = string<br/>        })<br/>        strict_transport_security = object({<br/>          access_control_max_age_sec = string<br/>          include_subdomains         = bool<br/>          preload                    = bool<br/>          override                   = bool<br/>        })<br/>        content_security_policy = object({<br/>          content_security_policy = string<br/>          override                = bool<br/>        })<br/><br/>      }))<br/>    }<br/>  ))</pre> | `{}` | no |
 | <a name="input_retain_on_delete"></a> [retain\_on\_delete](#input\_retain\_on\_delete) | Disables the distribution instead of deleting it when destroying the resource through Terraform. If this is set, the distribution needs to be deleted manually afterwards. | `bool` | `false` | no |
 | <a name="input_route53_record_ttl"></a> [route53\_record\_ttl](#input\_route53\_record\_ttl) | TTL for Route53 record | `string` | `60` | no |
-| <a name="input_route53_root_domain"></a> [route53\_root\_domain](#input\_route53\_root\_domain) | Domain to add to route 53 as alias to distribution | `string` | n/a | yes |
+| <a name="input_route53_root_domain"></a> [route53\_root\_domain](#input\_route53\_root\_domain) | Domain to add to route 53 as alias to distribution | `string` | `null` | no |
 | <a name="input_s3_kms_details"></a> [s3\_kms\_details](#input\_s3\_kms\_details) | KMS details for S3 encryption | <pre>object({<br/>    s3_bucket_encryption_type = string,                 //Encryption for S3 bucket , options : SSE-S3 - AES256 , SSE-KMS - aws:kms<br/>    kms_key_administrators    = optional(list(string)), // "Environment where deploying,List of AWS arns that will have permissions to use kms key"<br/>    kms_key_users             = optional(list(string)), // "Environment where deploying,List of AWS arns that will have permissions to use kms key"<br/>    kms_key_arn               = optional(string)        // In case if we need to use CMK created else where, set as null if not used<br/>  })</pre> | <pre>{<br/>  "kms_key_administrators": [],<br/>  "kms_key_arn": null,<br/>  "kms_key_users": [],<br/>  "s3_bucket_encryption_type": "SSE-S3"<br/>}</pre> | no |
 | <a name="input_tags"></a> [tags](#input\_tags) | Tags for AWS resources | `map(string)` | `{}` | no |
 | <a name="input_viewer_certificate"></a> [viewer\_certificate](#input\_viewer\_certificate) | The SSL configuration for this distribution | <pre>object({<br/>    cloudfront_default_certificate = bool,<br/>    minimum_protocol_version       = string,<br/>    ssl_support_method             = string<br/>  })</pre> | <pre>{<br/>  "cloudfront_default_certificate": false,<br/>  "minimum_protocol_version": "TLSv1.2_2018",<br/>  "ssl_support_method": "sni-only"<br/>}</pre> | no |