self conflicts with cidr_blocks error fix (#14)

* self conflicts with cidr_blocks error fix

* Auto Format

* Update main.tf

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

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

README.md

@@ -1,3 +1,4 @@
+
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 # terraform-aws-security-group [![Latest Release](https://img.shields.io/github/release/cloudposse/terraform-aws-security-group.svg)](https://github.com/cloudposse/terraform-aws-security-group/releases/latest) [![Slack Community](https://slack.cloudposse.com/badge.svg)](https://slack.cloudposse.com)
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@@ -29,7 +30,6 @@
 
 Terraform module to create AWS Security Group and rules.
 
-
 ---
 
 This project is part of our comprehensive ["SweetOps"](https://cpco.io/sweetops) approach towards DevOps.
@@ -60,7 +60,6 @@ We literally have [*hundreds of terraform modules*][terraform_modules] that are
 
 
 
-
 ## Security & Compliance [<img src="https://cloudposse.com/wp-content/uploads/2020/11/bridgecrew.svg" width="250" align="right" />](https://bridgecrew.io/)
 
 Security scanning is graciously provided by Bridgecrew. Bridgecrew is the leading fully hosted, cloud-native solution providing continuous Terraform security and compliance.
@@ -173,62 +172,62 @@ Available targets:
 
 | Name | Version |
 |------|---------|
-| terraform | >= 0.13.0 |
-| aws | >= 2.0 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13.0 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 2.0 |
 
 ## Providers
 
 | Name | Version |
 |------|---------|
-| aws | >= 2.0 |
+| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 2.0 |
 
 ## Modules
 
 | Name | Source | Version |
 |------|--------|---------|
-| this | cloudposse/label/null | 0.24.1 |
+| <a name="module_this"></a> [this](#module\_this) | cloudposse/label/null | 0.24.1 |
 
 ## Resources
 
-| Name |
-|------|
-| [aws_security_group](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/security_group) |
-| [aws_security_group](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group) |
-| [aws_security_group_rule](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule) |
+| Name | Type |
+|------|------|
+| [aws_security_group.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group) | resource |
+| [aws_security_group_rule.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule) | resource |
+| [aws_security_group.external](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/security_group) | data source |
 
 ## Inputs
 
 | Name | Description | Type | Default | Required |
 |------|-------------|------|---------|:--------:|
-| additional\_tag\_map | Additional tags for appending to tags\_as\_list\_of\_maps. Not added to `tags`. | `map(string)` | `{}` | no |
-| attributes | Additional attributes (e.g. `1`) | `list(string)` | `[]` | 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. | `any` | <pre>{<br>  "additional_tag_map": {},<br>  "attributes": [],<br>  "delimiter": null,<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>  "name": null,<br>  "namespace": null,<br>  "regex_replace_chars": null,<br>  "stage": null,<br>  "tags": {}<br>}</pre> | 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 |
-| description | The Security Group description. | `string` | `"Managed by Terraform"` | no |
-| enabled | Set to false to prevent the module from creating any resources | `bool` | `null` | no |
-| environment | Environment, e.g. 'uw2', 'us-west-2', OR 'prod', 'staging', 'dev', 'UAT' | `string` | `null` | no |
-| id | The external Security Group ID to which Security Group rules will be assigned.<br>Required to set `security_group_enabled` to `false`. | `string` | `""` | no |
-| id\_length\_limit | Limit `id` to this many characters (minimum 6).<br>Set to `0` for unlimited length.<br>Set to `null` for default, which is `0`.<br>Does not affect `id_full`. | `number` | `null` | no |
-| label\_key\_case | The letter case of label keys (`tag` names) (i.e. `name`, `namespace`, `environment`, `stage`, `attributes`) to use in `tags`.<br>Possible values: `lower`, `title`, `upper`.<br>Default value: `title`. | `string` | `null` | no |
-| label\_order | The naming order of the id output and Name tag.<br>Defaults to ["namespace", "environment", "stage", "name", "attributes"].<br>You can omit any of the 5 elements, but at least one must be present. | `list(string)` | `null` | no |
-| label\_value\_case | The letter case of output label values (also used in `tags` and `id`).<br>Possible values: `lower`, `title`, `upper` and `none` (no transformation).<br>Default value: `lower`. | `string` | `null` | no |
-| name | Solution name, e.g. 'app' or 'jenkins' | `string` | `null` | no |
-| namespace | Namespace, which could be your organization name or abbreviation, e.g. 'eg' or 'cp' | `string` | `null` | no |
-| regex\_replace\_chars | Regex to replace chars with empty string in `namespace`, `environment`, `stage` and `name`.<br>If not set, `"/[^a-zA-Z0-9-]/"` is used to remove all characters other than hyphens, letters and digits. | `string` | `null` | no |
-| rules | A list of maps of Security Group rules. <br>The values of map is fully complated with `aws_security_group_rule` resource. <br>To get more info see https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule . | `list(any)` | `null` | no |
-| security\_group\_enabled | Whether to create Security Group. | `bool` | `true` | no |
-| stage | Stage, e.g. 'prod', 'staging', 'dev', OR 'source', 'build', 'test', 'deploy', 'release' | `string` | `null` | no |
-| tags | Additional tags (e.g. `map('BusinessUnit','XYZ')` | `map(string)` | `{}` | no |
-| use\_name\_prefix | Whether to create a unique name beginning with the normalized prefix. | `bool` | `false` | no |
-| vpc\_id | The VPC ID where Security Group will be created. | `string` | n/a | yes |
+| <a name="input_additional_tag_map"></a> [additional\_tag\_map](#input\_additional\_tag\_map) | Additional tags for appending to tags\_as\_list\_of\_maps. Not added to `tags`. | `map(string)` | `{}` | no |
+| <a name="input_attributes"></a> [attributes](#input\_attributes) | Additional attributes (e.g. `1`) | `list(string)` | `[]` | 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>  "enabled": true,<br>  "environment": null,<br>  "id_length_limit": null,<br>  "label_key_case": null,<br>  "label_order": [],<br>  "label_value_case": null,<br>  "name": null,<br>  "namespace": null,<br>  "regex_replace_chars": null,<br>  "stage": null,<br>  "tags": {}<br>}</pre> | no |
+| <a name="input_delimiter"></a> [delimiter](#input\_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 |
+| <a name="input_description"></a> [description](#input\_description) | The Security Group description. | `string` | `"Managed by Terraform"` | no |
+| <a name="input_enabled"></a> [enabled](#input\_enabled) | Set to false to prevent the module from creating any resources | `bool` | `null` | no |
+| <a name="input_environment"></a> [environment](#input\_environment) | Environment, e.g. 'uw2', 'us-west-2', OR 'prod', 'staging', 'dev', 'UAT' | `string` | `null` | no |
+| <a name="input_id"></a> [id](#input\_id) | The external Security Group ID to which Security Group rules will be assigned.<br>Required to set `security_group_enabled` to `false`. | `string` | `""` | no |
+| <a name="input_id_length_limit"></a> [id\_length\_limit](#input\_id\_length\_limit) | Limit `id` to this many characters (minimum 6).<br>Set to `0` for unlimited length.<br>Set to `null` for default, which is `0`.<br>Does not affect `id_full`. | `number` | `null` | no |
+| <a name="input_label_key_case"></a> [label\_key\_case](#input\_label\_key\_case) | The letter case of label keys (`tag` names) (i.e. `name`, `namespace`, `environment`, `stage`, `attributes`) to use in `tags`.<br>Possible values: `lower`, `title`, `upper`.<br>Default value: `title`. | `string` | `null` | no |
+| <a name="input_label_order"></a> [label\_order](#input\_label\_order) | The naming order of the id output and Name tag.<br>Defaults to ["namespace", "environment", "stage", "name", "attributes"].<br>You can omit any of the 5 elements, but at least one must be present. | `list(string)` | `null` | no |
+| <a name="input_label_value_case"></a> [label\_value\_case](#input\_label\_value\_case) | The letter case of output label values (also used in `tags` and `id`).<br>Possible values: `lower`, `title`, `upper` and `none` (no transformation).<br>Default value: `lower`. | `string` | `null` | no |
+| <a name="input_name"></a> [name](#input\_name) | Solution name, e.g. 'app' or 'jenkins' | `string` | `null` | no |
+| <a name="input_namespace"></a> [namespace](#input\_namespace) | Namespace, which could be your organization name or abbreviation, e.g. 'eg' or 'cp' | `string` | `null` | no |
+| <a name="input_regex_replace_chars"></a> [regex\_replace\_chars](#input\_regex\_replace\_chars) | Regex to replace chars with empty string in `namespace`, `environment`, `stage` and `name`.<br>If not set, `"/[^a-zA-Z0-9-]/"` is used to remove all characters other than hyphens, letters and digits. | `string` | `null` | no |
+| <a name="input_rules"></a> [rules](#input\_rules) | A list of maps of Security Group rules. <br>The values of map is fully complated with `aws_security_group_rule` resource. <br>To get more info see https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule . | `list(any)` | `null` | no |
+| <a name="input_security_group_enabled"></a> [security\_group\_enabled](#input\_security\_group\_enabled) | Whether to create Security Group. | `bool` | `true` | no |
+| <a name="input_stage"></a> [stage](#input\_stage) | Stage, e.g. 'prod', 'staging', 'dev', OR 'source', 'build', 'test', 'deploy', 'release' | `string` | `null` | no |
+| <a name="input_tags"></a> [tags](#input\_tags) | Additional tags (e.g. `map('BusinessUnit','XYZ')` | `map(string)` | `{}` | no |
+| <a name="input_use_name_prefix"></a> [use\_name\_prefix](#input\_use\_name\_prefix) | Whether to create a unique name beginning with the normalized prefix. | `bool` | `false` | no |
+| <a name="input_vpc_id"></a> [vpc\_id](#input\_vpc\_id) | The VPC ID where Security Group will be created. | `string` | n/a | yes |
 
 ## Outputs
 
 | Name | Description |
 |------|-------------|
-| arn | The Security Group ARN |
-| id | The Security Group ID |
-| name | The Security Group Name |
+| <a name="output_arn"></a> [arn](#output\_arn) | The Security Group ARN |
+| <a name="output_id"></a> [id](#output\_id) | The Security Group ID |
+| <a name="output_name"></a> [name](#output\_name) | The Security Group Name |
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