├── .gitignore ├── .pre-commit-config.yaml ├── .tflint.hcl ├── IAM.md ├── LICENSE ├── README.md ├── compliance.md ├── examples ├── complete-vpc-with-vpn │ ├── README.md │ ├── main.tf │ ├── outputs.tf │ └── providers.tf ├── ipam-managed-vpc │ ├── README.md │ ├── main.tf │ ├── output.tf │ └── providers.tf ├── simple-vpc │ ├── README.md │ ├── main.tf │ ├── output.tf │ └── providers.tf ├── vpc-dualstack │ ├── README.md │ ├── main.tf │ ├── outputs.tf │ └── providers.tf ├── vpc-native-ipv6 │ ├── README.md │ ├── main.tf │ ├── outputs.tf │ └── providers.tf ├── vpc-with-peering │ ├── README.md │ ├── main.tf │ ├── output.tf │ ├── provider.tf │ └── vpc-requester-accepter │ │ ├── main.tf │ │ └── providers.tf ├── vpc-with-private-subnet │ ├── README.md │ ├── main.tf │ ├── outputs.tf │ └── providers.tf └── vpc-with-secondary-cidr │ ├── README.md │ ├── main.tf │ ├── outputs.tf │ └── providers.tf ├── main.tf ├── modules ├── vpc_peering │ ├── README.md │ ├── main.tf │ ├── outputs.tf │ ├── variables.tf │ └── versions.tf └── vpn │ ├── README.md │ ├── main.tf │ ├── outputs.tf │ ├── scripts │ └── pritunl-vpn.sh │ ├── variables.tf │ └── versions.tf ├── outputs.tf ├── tfsec.yaml ├── variables.tf └── versions.tf /.gitignore: -------------------------------------------------------------------------------- 1 | # Include tfplan files to ignore the plan output of command: terraform plan -out=tfplan 2 | *.out 3 | *.lock 4 | *.tfvars 5 | *.pem 6 | *.txt 7 | 8 | # Local .terraform directories 9 | **/.terraform/* 10 | .terraform* 11 | 12 | # .tfstate files 13 | *.tfstate 14 | *.tfstate.* 15 | 16 | # Crash log files 17 | crash.log 18 | crash.*.log 19 | 20 | *.tfvars 21 | *.tfvars.json 22 | 23 | # Ignore override files as they are usually used to override resources locally and so 24 | # are not checked in 25 | override.tf 26 | override.tf.json 27 | *_override.tf 28 | *_override.tf.json 29 | 30 | # Ignore CLI configuration files 31 | .terraformrc 32 | terraform.rc 33 | -------------------------------------------------------------------------------- /.pre-commit-config.yaml: -------------------------------------------------------------------------------- 1 | repos: 2 | - repo: https://github.com/pre-commit/pre-commit-hooks 3 | rev: v4.1.0 4 | hooks: 5 | - id: trailing-whitespace 6 | args: ['--markdown-linebreak-ext=md'] 7 | - id: end-of-file-fixer 8 | - id: check-merge-conflict 9 | - id: detect-private-key 10 | - id: detect-aws-credentials 11 | args: ['--allow-missing-credentials'] 12 | - repo: https://github.com/antonbabenko/pre-commit-terraform 13 | rev: v1.77.0 14 | hooks: 15 | - id: terraform_fmt 16 | - id: terraform_docs 17 | args: 18 | - '--args=--lockfile=false' 19 | - id: terraform_tflint 20 | args: 21 | - --args=--config=.tflint.hcl 22 | - id: terraform_tfsec 23 | files: ^examples/ # only scan `examples/*` which are the implementation 24 | args: 25 | - --args=--config-file=__GIT_WORKING_DIR__/tfsec.yaml 26 | - --args=--concise-output 27 | -------------------------------------------------------------------------------- /.tflint.hcl: -------------------------------------------------------------------------------- 1 | plugin "aws" { 2 | enabled = true 3 | version = "0.21.1" 4 | source = "github.com/terraform-linters/tflint-ruleset-aws" 5 | } 6 | config { 7 | #Enables module inspection 8 | module = false 9 | force = false 10 | } 11 | # Required that all AWS resources have specified tags. 12 | rule "aws_resource_missing_tags" { 13 | enabled = true 14 | tags = [ 15 | "Name", 16 | "Environment", 17 | ] 18 | } 19 | # Disallow deprecated (0.11-style) interpolation 20 | rule "terraform_deprecated_interpolation" { 21 | enabled = true 22 | } 23 | # Disallow legacy dot index syntax. 24 | rule "terraform_deprecated_index" { 25 | enabled = true 26 | } 27 | # Disallow variables, data sources, and locals that are declared but never used. 28 | rule "terraform_unused_declarations" { 29 | enabled = true 30 | } 31 | # Disallow // comments in favor of #. 32 | rule "terraform_comment_syntax" { 33 | enabled = false 34 | } 35 | # Disallow output declarations without description. 36 | rule "terraform_documented_outputs" { 37 | enabled = true 38 | } 39 | # Disallow variable declarations without description. 40 | rule "terraform_documented_variables" { 41 | enabled = true 42 | } 43 | # Disallow variable declarations without type. 44 | rule "terraform_typed_variables" { 45 | enabled = true 46 | } 47 | # Disallow specifying a git or mercurial repository as a module source without pinning to a version. 48 | rule "terraform_module_pinned_source" { 49 | enabled = true 50 | } 51 | # Enforces naming conventions 52 | rule "terraform_naming_convention" { 53 | enabled = true 54 | #Require specific naming structure 55 | variable { 56 | format = "snake_case" 57 | } 58 | locals { 59 | format = "snake_case" 60 | } 61 | output { 62 | format = "snake_case" 63 | } 64 | #Allow any format 65 | resource { 66 | format = "none" 67 | } 68 | module { 69 | format = "none" 70 | } 71 | data { 72 | format = "none" 73 | } 74 | } 75 | # Disallow terraform declarations without require_version. 76 | rule "terraform_required_version" { 77 | enabled = true 78 | } 79 | # Require that all providers have version constraints through required_providers. 80 | rule "terraform_required_providers" { 81 | enabled = true 82 | } 83 | # Ensure that a module complies with the Terraform Standard Module Structure 84 | rule "terraform_standard_module_structure" { 85 | enabled = true 86 | } 87 | # terraform.workspace should not be used with a "remote" backend with remote execution. 88 | rule "terraform_workspace_remote" { 89 | enabled = true 90 | } 91 | -------------------------------------------------------------------------------- /IAM.md: -------------------------------------------------------------------------------- 1 | 2 | ## IAM Permission 3 | 4 | The Policy required to deploy this module is: 5 | 6 | ```json 7 | { 8 | "Version": "2012-10-17", 9 | "Statement": [ 10 | { 11 | "Sid": "VisualEditor0", 12 | "Effect": "Allow", 13 | "Action": [ 14 | "ec2:AllocateAddress", 15 | "ec2:AssociateAddress", 16 | "ec2:AssociateDhcpOptions", 17 | "ec2:AssociateRouteTable", 18 | "ec2:AssociateVpcCidrBlock", 19 | "ec2:AttachInternetGateway", 20 | "ec2:AttachVpnGateway", 21 | "ec2:AuthorizeSecurityGroupEgress", 22 | "ec2:AuthorizeSecurityGroupIngress", 23 | "ec2:CancelSpotInstanceRequests", 24 | "ec2:CreateCustomerGateway", 25 | "ec2:CreateDefaultVpc", 26 | "ec2:CreateDhcpOptions", 27 | "ec2:CreateEgressOnlyInternetGateway", 28 | "ec2:CreateFlowLogs", 29 | "ec2:CreateInternetGateway", 30 | "ec2:CreateKeyPair", 31 | "ec2:CreateNatGateway", 32 | "ec2:CreateNetworkAcl", 33 | "ec2:CreateNetworkAclEntry", 34 | "ec2:CreateRoute", 35 | "ec2:CreateRouteTable", 36 | "ec2:CreateSecurityGroup", 37 | "ec2:CreateSubnet", 38 | "ec2:CreateTags", 39 | "ec2:CreateVPC", 40 | "ec2:CreateVpnGateway", 41 | "ec2:DeleteCustomerGateway", 42 | "ec2:DeleteDhcpOptions", 43 | "ec2:DeleteEgressOnlyInternetGateway", 44 | "ec2:DeleteFlowLogs", 45 | "ec2:DeleteInternetGateway", 46 | "ec2:DeleteKeyPair", 47 | "ec2:DeleteNatGateway", 48 | "ec2:DeleteNetworkAcl", 49 | "ec2:DeleteNetworkAclEntry", 50 | "ec2:DeleteRoute", 51 | "ec2:DeleteRouteTable", 52 | "ec2:DeleteSecurityGroup", 53 | "ec2:DeleteSubnet", 54 | "ec2:DeleteTags", 55 | "ec2:DeleteVPC", 56 | "ec2:DeleteVpnGateway", 57 | "ec2:DescribeAccountAttributes", 58 | "ec2:DescribeAddresses", 59 | "ec2:DescribeCustomerGateways", 60 | "ec2:DescribeDhcpOptions", 61 | "ec2:DescribeEgressOnlyInternetGateways", 62 | "ec2:DescribeFlowLogs", 63 | "ec2:DescribeInstanceAttribute", 64 | "ec2:DescribeInstanceCreditSpecifications", 65 | "ec2:DescribeInstanceTypes", 66 | "ec2:DescribeInstances", 67 | "ec2:DescribeInternetGateways", 68 | "ec2:DescribeKeyPairs", 69 | "ec2:DescribeNatGateways", 70 | "ec2:DescribeNetworkAcls", 71 | "ec2:DescribeNetworkInterfaces", 72 | "ec2:DescribeRouteTables", 73 | "ec2:DescribeSecurityGroups", 74 | "ec2:DescribeSpotInstanceRequests", 75 | "ec2:DescribeSubnets", 76 | "ec2:DescribeTags", 77 | "ec2:DescribeVolumes", 78 | "ec2:DescribeVpcAttribute", 79 | "ec2:DescribeVpcs", 80 | "ec2:DescribeVpnGateways", 81 | "ec2:DetachInternetGateway", 82 | "ec2:DetachVpnGateway", 83 | "ec2:DisableVgwRoutePropagation", 84 | "ec2:DisassociateAddress", 85 | "ec2:DisassociateRouteTable", 86 | "ec2:DisassociateVpcCidrBlock", 87 | "ec2:EnableVgwRoutePropagation", 88 | "ec2:ImportKeyPair", 89 | "ec2:ModifyInstanceAttribute", 90 | "ec2:MonitorInstances", 91 | "ec2:ReleaseAddress", 92 | "ec2:RequestSpotInstances", 93 | "ec2:RevokeSecurityGroupEgress", 94 | "ec2:RevokeSecurityGroupIngress", 95 | "ec2:RunInstances", 96 | "ec2:StartInstances", 97 | "ec2:StopInstances", 98 | "ec2:TerminateInstances", 99 | "ec2:UnmonitorInstances" 100 | ], 101 | "Resource": [ 102 | "*" 103 | ] 104 | }, 105 | { 106 | "Sid": "VisualEditor1", 107 | "Effect": "Allow", 108 | "Action": [ 109 | "elasticache:AddTagsToResource", 110 | "elasticache:CreateCacheSubnetGroup", 111 | "elasticache:DeleteCacheSubnetGroup", 112 | "elasticache:DescribeCacheSubnetGroups", 113 | "elasticache:ListTagsForResource", 114 | "elasticache:ModifyCacheSubnetGroup", 115 | "elasticache:RemoveTagsFromResource" 116 | ], 117 | "Resource": [ 118 | "*" 119 | ] 120 | }, 121 | { 122 | "Sid": "VisualEditor2", 123 | "Effect": "Allow", 124 | "Action": [ 125 | "iam:AttachRolePolicy", 126 | "iam:CreatePolicy", 127 | "iam:CreateRole", 128 | "iam:DeletePolicy", 129 | "iam:DeleteRole", 130 | "iam:DeleteRolePermissionsBoundary", 131 | "iam:DetachRolePolicy", 132 | "iam:GetPolicy", 133 | "iam:GetPolicyVersion", 134 | "iam:GetRole", 135 | "iam:ListAttachedRolePolicies", 136 | "iam:ListInstanceProfilesForRole", 137 | "iam:ListPolicyVersions", 138 | "iam:ListRolePolicies", 139 | "iam:PassRole", 140 | "iam:PutRolePermissionsBoundary", 141 | "iam:TagPolicy", 142 | "iam:TagRole", 143 | "iam:UntagPolicy" 144 | ], 145 | "Resource": [ 146 | "*" 147 | ] 148 | }, 149 | { 150 | "Sid": "VisualEditor3", 151 | "Effect": "Allow", 152 | "Action": [ 153 | "kms:Decrypt" 154 | ], 155 | "Resource": [ 156 | "*" 157 | ] 158 | }, 159 | { 160 | "Sid": "VisualEditor4", 161 | "Effect": "Allow", 162 | "Action": [ 163 | "logs:AssociateKmsKey", 164 | "logs:CreateLogGroup", 165 | "logs:DeleteLogGroup", 166 | "logs:DeleteRetentionPolicy", 167 | "logs:DescribeLogGroups", 168 | "logs:DisassociateKmsKey", 169 | "logs:ListTagsLogGroup", 170 | "logs:PutRetentionPolicy", 171 | "logs:TagLogGroup", 172 | "logs:UntagLogGroup" 173 | ], 174 | "Resource": [ 175 | "*" 176 | ] 177 | }, 178 | { 179 | "Sid": "VisualEditor5", 180 | "Effect": "Allow", 181 | "Action": [ 182 | "rds:AddTagsToResource", 183 | "rds:CreateDBSubnetGroup", 184 | "rds:DeleteDBSubnetGroup", 185 | "rds:DescribeDBSubnetGroups", 186 | "rds:ListTagsForResource", 187 | "rds:RemoveTagsFromResource" 188 | ], 189 | "Resource": [ 190 | "*" 191 | ] 192 | }, 193 | { 194 | "Sid": "VisualEditor6", 195 | "Effect": "Allow", 196 | "Action": [ 197 | "redshift:CreateClusterSubnetGroup", 198 | "redshift:CreateTags", 199 | "redshift:DeleteClusterSubnetGroup", 200 | "redshift:DeleteTags", 201 | "redshift:DescribeClusterSubnetGroups", 202 | "redshift:ModifyClusterSubnetGroup" 203 | ], 204 | "Resource": [ 205 | "*" 206 | ] 207 | }, 208 | { 209 | "Sid": "VisualEditor7", 210 | "Effect": "Allow", 211 | "Action": [ 212 | "ssm:AddTagsToResource", 213 | "ssm:DeleteParameter", 214 | "ssm:DescribeParameters", 215 | "ssm:GetParameter", 216 | "ssm:GetParameters", 217 | "ssm:ListTagsForResource", 218 | "ssm:PutParameter" 219 | ], 220 | "Resource": [ 221 | "*" 222 | ] 223 | } 224 | ] 225 | } 226 | 227 | ``` 228 | 229 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright 2023 SaturnOps Technologies 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # AWS Virtual Private Cloud (VPC) Terraform Module 2 | 3 | 4 | 5 | 6 |
7 | Terraform module designed to create networking resources on the AWS Cloud, supporting both IPv4 and dual stack IP modes for workload deployment. 8 | 9 | ## Usage Example 10 | 11 | ```hcl 12 | 13 | module "key_pair_vpn" { 14 | source = "saturnops/keypair/aws" 15 | environment = "production" 16 | key_name = format("%s-%s-vpn", "production", "skaf") 17 | ssm_parameter_path = format("%s-%s-vpn", "production", "skaf") 18 | } 19 | 20 | 21 | module "vpc" { 22 | source = "saturnops/vpc/aws" 23 | name = "skaf" 24 | vpc_cidr = "10.0.0.0/16" 25 | environment = "production" 26 | ipv6_enabled = true 27 | create_ipam_pool = false 28 | ipam_enabled = false 29 | flow_log_enabled = true 30 | vpn_key_pair_name = module.key_pair_vpn.key_pair_name 31 | availability_zones = ["us-east-1a", "us-east-1b"] 32 | vpn_server_enabled = false 33 | intra_subnet_enabled = true 34 | auto_assign_public_ip = true 35 | public_subnet_enabled = true 36 | private_subnet_enabled = true 37 | one_nat_gateway_per_az = true 38 | database_subnet_enabled = true 39 | vpn_server_instance_type = "t3a.small" 40 | vpc_s3_endpoint_enabled = true 41 | vpc_ecr_endpoint_enabled = true 42 | flow_log_max_aggregation_interval = 60 43 | flow_log_cloudwatch_log_group_skip_destroy = true 44 | flow_log_cloudwatch_log_group_retention_in_days = 90 45 | flow_log_cloudwatch_log_group_kms_key_arn = "arn:aws:kms:us-east-2:222222222222:key/kms_key_arn" #Enter your kms key arn 46 | } 47 | ``` 48 | Refer [this](https://github.com/saturnops/terraform-aws-vpc/tree/main/examples) for more examples. 49 | 50 | 51 | ## Note 52 | To avoid interruptions during the destruction process, ensure that any resources created outside of Terraform, which are connected to Terraform-managed resources, are deleted before destroying the module. 53 | 54 | The private key generated by Keypair module will be stored in AWS Systems Manager Parameter Store. For more details refer [this](https://registry.terraform.io/modules/saturnops/keypair/aws) 55 | 56 | To encrypt the VPC flow log CloudWatch log group, please use the following KMS key policy. Make sure to replace the account ID and region with your specific details. 57 | 58 | ```json 59 | { 60 | "Version": "2012-10-17", 61 | "Id": "allow-cloudwatch-logs-encryption", 62 | "Statement": [ 63 | { 64 | "Sid": "AllowRootFullPermissions", 65 | "Effect": "Allow", 66 | "Principal": { 67 | "AWS": "arn:aws:iam::12345678:root" 68 | }, 69 | "Action": "kms:*", 70 | "Resource": "*" 71 | }, 72 | { 73 | "Sid": "AllowCloudWatchLogsEncryption", 74 | "Effect": "Allow", 75 | "Principal": { 76 | "Service": "logs.us-east-2.amazonaws.com" 77 | }, 78 | "Action": [ 79 | "kms:Encrypt*", 80 | "kms:Decrypt*", 81 | "kms:ReEncrypt*", 82 | "kms:GenerateDataKey*", 83 | "kms:Describe*" 84 | ], 85 | "Resource": "*" 86 | } 87 | ] 88 | } 89 | ``` 90 | 91 | 92 | ## Network Scenarios 93 | 94 | Users need to declare `vpc_cidr` and subnets are calculated with the help of in-built functions. 95 | 96 | This module supports three scenarios to create Network resource on AWS. Each will be explained in brief in the corresponding sections. 97 | 98 | - **simple-vpc (default behavior):** To create a VPC with public subnets and IGW. 99 | - `vpc_cidr = ""` 100 | - `public_subnet_enabled = true` 101 | - `auto_assign_public_ip = true` 102 | - **vpc-with-private-sub:** To create a VPC with public subnets, private subnets, IGW gateway and NAT gateway. 103 | - `vpc_cidr = ""` 104 | - `public_subnet_enabled = true` 105 | - `private_subnet_enabled = true` 106 | - `auto_assign_public_ip = true` 107 | 108 | - **complete-vpc-with-vpn:** To create a VPC with public, private, database and intra subnets along with an IGW and NAT gateway. Jump server/Bastion Host is also configured. 109 | - `vpc_cidr = ""` 110 | - `public_subnet_enabled = true` 111 | - `private_subnet_enabled = true` 112 | - `database_subnet_enabled = true` 113 | - `intra_subnet_enabled = true` 114 | - `auto_assign_public_ip = true` 115 | - `one_nat_gateway_per_az = true` 116 | - `vpn_server_enabled = true` 117 | - `vpn_server_instance_type = "t3a.small"` 118 | - `vpn_key_pair_name = ""` 119 | - `availability_zones = 2` 120 | - `flow_log_enabled = true` 121 | - `flow_log_max_aggregation_interval = 60` 122 | - `flow_log_cloudwatch_log_group_retention_in_days = 90` 123 | - `flow_log_cloudwatch_log_group_kms_key_arn = "arn:aws:kms:us-east-2:222222222222:key/kms_key_arn"` 124 | 125 | - **vpc-peering:** VPC peering support is available using submodule `vpc_peering`. Refer [Peering Docs](https://github.com/saturnops/terraform-aws-vpc/tree/main/modules/vpc_peering) for more information 126 | - `accepter_name = ""` 127 | - `accepter_vpc_id = ""` 128 | - `accepter_vpc_region = ""` 129 | - `requester_name = ""` 130 | - `requester_vpc_id = ""` 131 | - `requester_vpc_region = ""` 132 | - `auto_assign_public_ip = true` 133 | - `one_nat_gateway_per_az = true` 134 | 135 | - **vpc-with-ipv6:** To create VPC with IPv6 support, you only need to enable the parameter `ipv6_enabled`. Rest all the configurations will be taken care by module. Refer for example [vpc-with-ipv6](https://github.com/saturnops/terraform-aws-vpc/tree/main/examples/vpc-with-ipv6) for more information. 136 | - `vpc_cidr = ""` 137 | - `public_subnet_enabled = true` 138 | - `private_subnet_enabled = true` 139 | - `database_subnet_enabled = true` 140 | - `intra_subnet_enabled = true` 141 | - `auto_assign_public_ip = true` 142 | - `ipv6_enabled = true` 143 | - `public_subnet_assign_ipv6_address_on_creation = true` 144 | - `private_subnet_assign_ipv6_address_on_creation = true` 145 | - `database_subnet_assign_ipv6_address_on_creation = true` 146 | - `intra_subnet_assign_ipv6_address_on_creation = true` 147 | 148 | # IAM Permissions 149 | The required IAM permissions to create resources from this module can be found [here](https://github.com/saturnops/terraform-aws-vpc/blob/main/IAM.md) 150 | 151 | 152 | # VPN setup 153 | We are using Pritunl as VPN. It is using Ubuntu 22.04 image as underlying OS. 154 | To configure Pritunl VPN: 155 | 156 | 1. Access the Pritunl UI over HTTPS using the public IP of EC2 instance in browser 157 | 2. Retrieve the initial key, user and password for setting up Pritunl from AWS Secrets Manager and log in to Pritunl. 158 | 3. Create a DNS record mapping to the EC2 instance's public IP 159 | 4. After login, in the Initial setup window, add the record created in the 'Lets Encrypt Domain' field. 160 | 5. Pritunl will automatically configure a signed SSL certificate from Lets Encrypt. 161 | 6. Add organization and user to pritunl. 162 | 7. Add server and set port as 10150 which is already allowed from security group while creating instance for VPN server. 163 | 8. Attach organization to the server and Start the server. 164 | 9. Copy or download user profile link or file. 165 | 10. Import the profile in Pritunl client. 166 | 167 | 168 | 169 | 170 | 171 | 172 | 173 | 174 | 175 | ## Requirements 176 | 177 | | Name | Version | 178 | |------|---------| 179 | | [terraform](#requirement\_terraform) | >= 1.0 | 180 | | [aws](#requirement\_aws) | >= 4.23 | 181 | 182 | ## Providers 183 | 184 | | Name | Version | 185 | |------|---------| 186 | | [aws](#provider\_aws) | >= 4.23 | 187 | 188 | ## Modules 189 | 190 | | Name | Source | Version | 191 | |------|--------|---------| 192 | | [vpc](#module\_vpc) | terraform-aws-modules/vpc/aws | 5.2.0 | 193 | | [vpn\_server](#module\_vpn\_server) | ./modules/vpn | n/a | 194 | 195 | ## Resources 196 | 197 | | Name | Type | 198 | |------|------| 199 | | [aws_security_group.vpc_endpoints](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group) | resource | 200 | | [aws_vpc_endpoint.private-ecr-api](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/vpc_endpoint) | resource | 201 | | [aws_vpc_endpoint.private-ecr-dkr](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/vpc_endpoint) | resource | 202 | | [aws_vpc_endpoint.private-s3](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/vpc_endpoint) | resource | 203 | | [aws_vpc_ipam.ipam](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/vpc_ipam) | resource | 204 | | [aws_vpc_ipam_pool.ipam_pool](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/vpc_ipam_pool) | resource | 205 | | [aws_vpc_ipam_pool_cidr.ipam_pool_cidr](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/vpc_ipam_pool_cidr) | resource | 206 | | [aws_availability_zones.available](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/availability_zones) | data source | 207 | | [aws_ec2_instance_type.arch](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/ec2_instance_type) | data source | 208 | | [aws_route_tables.aws_private_routes](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/route_tables) | data source | 209 | 210 | ## Inputs 211 | 212 | | Name | Description | Type | Default | Required | 213 | |------|-------------|------|---------|:--------:| 214 | | [auto\_assign\_public\_ip](#input\_auto\_assign\_public\_ip) | Specify true to indicate that instances launched into the subnet should be assigned a public IP address. | `bool` | `false` | no | 215 | | [availability\_zones](#input\_availability\_zones) | Number of Availability Zone to be used by VPC Subnets | `list(any)` | `[]` | no | 216 | | [create\_ipam\_pool](#input\_create\_ipam\_pool) | Whether create new IPAM pool | `bool` | `true` | no | 217 | | [database\_subnet\_assign\_ipv6\_address\_on\_creation](#input\_database\_subnet\_assign\_ipv6\_address\_on\_creation) | Assign IPv6 address on database subnet, must be disabled to change IPv6 CIDRs. This is the IPv6 equivalent of map\_public\_ip\_on\_launch | `bool` | `null` | no | 218 | | [database\_subnet\_cidrs](#input\_database\_subnet\_cidrs) | Database Tier subnet CIDRs to be created | `list(any)` | `[]` | no | 219 | | [database\_subnet\_enabled](#input\_database\_subnet\_enabled) | Set true to enable database subnets | `bool` | `false` | no | 220 | | [default\_network\_acl\_ingress](#input\_default\_network\_acl\_ingress) | List of maps of ingress rules to set on the Default Network ACL | `list(map(string))` | 
[
  {
    "action": "deny",
    "cidr_block": "0.0.0.0/0",
    "from_port": 22,
    "protocol": "tcp",
    "rule_no": 98,
    "to_port": 22
  },
  {
    "action": "deny",
    "cidr_block": "0.0.0.0/0",
    "from_port": 3389,
    "protocol": "tcp",
    "rule_no": 99,
    "to_port": 3389
  },
  {
    "action": "allow",
    "cidr_block": "0.0.0.0/0",
    "from_port": 0,
    "protocol": "-1",
    "rule_no": 100,
    "to_port": 0
  },
  {
    "action": "allow",
    "from_port": 0,
    "ipv6_cidr_block": "::/0",
    "protocol": "-1",
    "rule_no": 101,
    "to_port": 0
  }
]
| no | 221 | | [enable\_database\_subnet\_group](#input\_enable\_database\_subnet\_group) | Whether create database subnet groups | `bool` | `false` | no | 222 | | [environment](#input\_environment) | Specify the environment indentifier for the VPC | `string` | `""` | no | 223 | | [existing\_ipam\_managed\_cidr](#input\_existing\_ipam\_managed\_cidr) | The existing IPAM pool CIDR | `string` | `""` | no | 224 | | [flow\_log\_cloudwatch\_log\_group\_kms\_key\_arn](#input\_flow\_log\_cloudwatch\_log\_group\_kms\_key\_arn) | The ARN of the KMS Key to use when encrypting log data for VPC flow logs | `string` | `null` | no | 225 | | [flow\_log\_cloudwatch\_log\_group\_retention\_in\_days](#input\_flow\_log\_cloudwatch\_log\_group\_retention\_in\_days) | Specifies the number of days you want to retain log events in the specified log group for VPC flow logs. | `number` | `null` | no | 226 | | [flow\_log\_cloudwatch\_log\_group\_skip\_destroy](#input\_flow\_log\_cloudwatch\_log\_group\_skip\_destroy) | Set to true if you do not wish the log group (and any logs it may contain) to be deleted at destroy time, and instead just remove the log group from the Terraform state | `bool` | `false` | no | 227 | | [flow\_log\_enabled](#input\_flow\_log\_enabled) | Whether or not to enable VPC Flow Logs | `bool` | `false` | no | 228 | | [flow\_log\_max\_aggregation\_interval](#input\_flow\_log\_max\_aggregation\_interval) | The maximum interval of time during which a flow of packets is captured and aggregated into a flow log record. Valid Values: `60` seconds or `600` seconds. | `number` | `60` | no | 229 | | [intra\_subnet\_assign\_ipv6\_address\_on\_creation](#input\_intra\_subnet\_assign\_ipv6\_address\_on\_creation) | Assign IPv6 address on intra subnet, must be disabled to change IPv6 CIDRs. This is the IPv6 equivalent of map\_public\_ip\_on\_launch | `bool` | `null` | no | 230 | | [intra\_subnet\_cidrs](#input\_intra\_subnet\_cidrs) | A list of intra subnets CIDR to be created | `list(any)` | `[]` | no | 231 | | [intra\_subnet\_enabled](#input\_intra\_subnet\_enabled) | Set true to enable intra subnets | `bool` | `false` | no | 232 | | [ipam\_enabled](#input\_ipam\_enabled) | Whether enable IPAM managed VPC or not | `bool` | `false` | no | 233 | | [ipam\_pool\_id](#input\_ipam\_pool\_id) | The existing IPAM pool id if any | `string` | `null` | no | 234 | | [ipv4\_netmask\_length](#input\_ipv4\_netmask\_length) | The netmask length for IPAM managed VPC | `number` | `16` | no | 235 | | [ipv6\_enabled](#input\_ipv6\_enabled) | Requests an Amazon-provided IPv6 CIDR block with a /56 prefix length for the VPC. You cannot specify the range of IP addresses, or the size of the CIDR block. | `bool` | `false` | no | 236 | | [ipv6\_only](#input\_ipv6\_only) | Enable it for deploying native IPv6 network | `bool` | `false` | no | 237 | | [name](#input\_name) | Specify the name of the VPC | `string` | `""` | no | 238 | | [one\_nat\_gateway\_per\_az](#input\_one\_nat\_gateway\_per\_az) | Set to true if a NAT Gateway is required per availability zone for Private Subnet Tier | `bool` | `false` | no | 239 | | [private\_subnet\_assign\_ipv6\_address\_on\_creation](#input\_private\_subnet\_assign\_ipv6\_address\_on\_creation) | Assign IPv6 address on private subnet, must be disabled to change IPv6 CIDRs. This is the IPv6 equivalent of map\_public\_ip\_on\_launch | `bool` | `null` | no | 240 | | [private\_subnet\_cidrs](#input\_private\_subnet\_cidrs) | A list of private subnets CIDR to be created inside the VPC | `list(any)` | `[]` | no | 241 | | [private\_subnet\_enabled](#input\_private\_subnet\_enabled) | Set true to enable private subnets | `bool` | `false` | no | 242 | | [public\_subnet\_assign\_ipv6\_address\_on\_creation](#input\_public\_subnet\_assign\_ipv6\_address\_on\_creation) | Assign IPv6 address on public subnet, must be disabled to change IPv6 CIDRs. This is the IPv6 equivalent of map\_public\_ip\_on\_launch | `bool` | `null` | no | 243 | | [public\_subnet\_cidrs](#input\_public\_subnet\_cidrs) | A list of public subnets CIDR to be created inside the VPC | `list(any)` | `[]` | no | 244 | | [public\_subnet\_enabled](#input\_public\_subnet\_enabled) | Set true to enable public subnets | `bool` | `false` | no | 245 | | [region](#input\_region) | The AWS region name | `string` | `null` | no | 246 | | [secondary\_cidr\_blocks](#input\_secondary\_cidr\_blocks) | List of the secondary CIDR blocks which can be at most 5 | `list(string)` | `[]` | no | 247 | | [secondry\_cidr\_enabled](#input\_secondry\_cidr\_enabled) | Whether enable secondary CIDR with VPC | `bool` | `false` | no | 248 | | [vpc\_cidr](#input\_vpc\_cidr) | The CIDR block of the VPC | `string` | `"10.0.0.0/16"` | no | 249 | | [vpc\_ecr\_endpoint\_enabled](#input\_vpc\_ecr\_endpoint\_enabled) | Set to true if you want to enable vpc ecr endpoints | `bool` | `false` | no | 250 | | [vpc\_s3\_endpoint\_enabled](#input\_vpc\_s3\_endpoint\_enabled) | Set to true if you want to enable vpc S3 endpoints | `bool` | `false` | no | 251 | | [vpn\_key\_pair\_name](#input\_vpn\_key\_pair\_name) | Specify the name of AWS Keypair to be used for VPN Server | `string` | `""` | no | 252 | | [vpn\_server\_enabled](#input\_vpn\_server\_enabled) | Set to true if you want to deploy VPN Gateway resource and attach it to the VPC | `bool` | `false` | no | 253 | | [vpn\_server\_instance\_type](#input\_vpn\_server\_instance\_type) | EC2 instance Type for VPN Server, Only amd64 based instance type are supported eg. t2.medium, t3.micro, c5a.large etc. | `string` | `"t3a.small"` | no | 254 | 255 | ## Outputs 256 | 257 | | Name | Description | 258 | |------|-------------| 259 | | [database\_subnets](#output\_database\_subnets) | List of IDs of database subnets | 260 | | [intra\_subnets](#output\_intra\_subnets) | List of IDs of Intra subnets | 261 | | [ipv6\_vpc\_cidr\_block](#output\_ipv6\_vpc\_cidr\_block) | The IPv6 CIDR block | 262 | | [private\_subnets](#output\_private\_subnets) | List of IDs of private subnets | 263 | | [public\_subnets](#output\_public\_subnets) | List of IDs of public subnets | 264 | | [vpc\_cidr\_block](#output\_vpc\_cidr\_block) | IPV4 CIDR Block for this VPC | 265 | | [vpc\_id](#output\_vpc\_id) | The ID of the VPC | 266 | | [vpc\_ipv6\_association\_id](#output\_vpc\_ipv6\_association\_id) | The association ID for the IPv6 CIDR block | 267 | | [vpc\_secondary\_cidr\_blocks](#output\_vpc\_secondary\_cidr\_blocks) | List of secondary CIDR blocks of the VPC | 268 | | [vpn\_host\_public\_ip](#output\_vpn\_host\_public\_ip) | IP Address of VPN Server | 269 | | [vpn\_security\_group](#output\_vpn\_security\_group) | Security Group ID of VPN Server | 270 | 271 | 272 | 273 | 274 | 275 | 276 | 277 | ## 278 | 279 | 280 | 281 | 282 | 283 | - Please give our [GitHub repository](https://github.com/saturnops/terraform-aws-vpc) a ⭐️ to show your support and increase its visibility. 284 | 285 | 286 | 287 | 288 | 289 | -------------------------------------------------------------------------------- /compliance.md: -------------------------------------------------------------------------------- 1 | | No. | Item | Status | Notes | 2 | | ----: | ------------------------------------------------------------------------------------------------------------------ | :-----: | ------------------------------------------------------------------------------------------------------------------------------------- | 3 | | 5.4 | Ensure routing tables for VPC peering are "least access" | N/A | | 4 | -------------------------------------------------------------------------------- /examples/complete-vpc-with-vpn/README.md: -------------------------------------------------------------------------------- 1 | # Complete VPC with VPN 2 | 3 | This configuration is suitable for production environments 4 | 5 | NAT Gateways, public, database,intra and Private subnets will be created in each availability zone. Additionally by default, an EC2 instance which will act as a VPN server will be created. 6 | 7 | 8 | ## Usage 9 | 10 | To run this example you need to execute: 11 | 12 | ```bash 13 | $ terraform init 14 | $ terraform plan 15 | $ terraform apply 16 | ``` 17 | 18 | Note that this example may create resources which can cost money (AWS Elastic IP, for example). Run `terraform destroy` when you don't need these resources. 19 | 20 | 21 | 22 | ## Requirements 23 | 24 | No requirements. 25 | 26 | ## Providers 27 | 28 | | Name | Version | 29 | |------|---------| 30 | | [aws](#provider\_aws) | n/a | 31 | 32 | ## Modules 33 | 34 | | Name | Source | Version | 35 | |------|--------|---------| 36 | | [key\_pair\_vpn](#module\_key\_pair\_vpn) | saturnops/keypair/aws | n/a | 37 | | [kms](#module\_kms) | terraform-aws-modules/kms/aws | n/a | 38 | | [vpc](#module\_vpc) | ../../ | n/a | 39 | 40 | ## Resources 41 | 42 | | Name | Type | 43 | |------|------| 44 | | [aws_caller_identity.current](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/caller_identity) | data source | 45 | 46 | ## Inputs 47 | 48 | No inputs. 49 | 50 | ## Outputs 51 | 52 | | Name | Description | 53 | |------|-------------| 54 | | [database\_subnets](#output\_database\_subnets) | List of IDs of database subnets | 55 | | [intra\_subnets](#output\_intra\_subnets) | List of IDs of Intra subnets | 56 | | [private\_subnets](#output\_private\_subnets) | List of IDs of private subnets | 57 | | [public\_subnets](#output\_public\_subnets) | List of IDs of public subnets | 58 | | [region](#output\_region) | AWS Region | 59 | | [vpc\_cidr\_block](#output\_vpc\_cidr\_block) | AWS Region | 60 | | [vpc\_id](#output\_vpc\_id) | The ID of the VPC | 61 | | [vpn\_host\_public\_ip](#output\_vpn\_host\_public\_ip) | IP Adress of VPN Server | 62 | | [vpn\_security\_group](#output\_vpn\_security\_group) | Security Group ID of VPN Server | 63 | 64 | -------------------------------------------------------------------------------- /examples/complete-vpc-with-vpn/main.tf: -------------------------------------------------------------------------------- 1 | locals { 2 | name = "vpc" 3 | region = "ap-south-1" 4 | environment = "prod" 5 | additional_aws_tags = { 6 | Owner = "Organization_Name" 7 | Expires = "Never" 8 | Department = "Engineering" 9 | } 10 | kms_user = null 11 | vpc_cidr = "10.10.0.0/16" 12 | current_identity = data.aws_caller_identity.current.arn 13 | } 14 | 15 | data "aws_caller_identity" "current" {} 16 | 17 | module "key_pair_vpn" { 18 | source = "saturnops/keypair/aws" 19 | key_name = format("%s-%s-vpn", local.environment, local.name) 20 | environment = local.environment 21 | ssm_parameter_path = format("%s-%s-vpn", local.environment, local.name) 22 | } 23 | 24 | module "kms" { 25 | source = "terraform-aws-modules/kms/aws" 26 | 27 | deletion_window_in_days = 7 28 | description = "Symetric Key to Enable Encryption at rest using KMS services." 29 | enable_key_rotation = false 30 | is_enabled = true 31 | key_usage = "ENCRYPT_DECRYPT" 32 | multi_region = false 33 | 34 | # Policy 35 | enable_default_policy = true 36 | key_owners = [local.current_identity] 37 | key_administrators = local.kms_user == null ? ["arn:aws:iam::${data.aws_caller_identity.current.account_id}:role/aws-service-role/autoscaling.amazonaws.com/AWSServiceRoleForAutoScaling", "arn:aws:iam::${data.aws_caller_identity.current.account_id}:role/aws-service-role/eks.amazonaws.com/AWSServiceRoleForAmazonEKS", local.current_identity] : local.kms_user 38 | key_users = local.kms_user == null ? ["arn:aws:iam::${data.aws_caller_identity.current.account_id}:role/aws-service-role/autoscaling.amazonaws.com/AWSServiceRoleForAutoScaling", "arn:aws:iam::${data.aws_caller_identity.current.account_id}:role/aws-service-role/eks.amazonaws.com/AWSServiceRoleForAmazonEKS", local.current_identity] : local.kms_user 39 | key_service_users = local.kms_user == null ? ["arn:aws:iam::${data.aws_caller_identity.current.account_id}:role/aws-service-role/autoscaling.amazonaws.com/AWSServiceRoleForAutoScaling", "arn:aws:iam::${data.aws_caller_identity.current.account_id}:role/aws-service-role/eks.amazonaws.com/AWSServiceRoleForAmazonEKS", local.current_identity] : local.kms_user 40 | key_symmetric_encryption_users = [local.current_identity] 41 | key_hmac_users = [local.current_identity] 42 | key_asymmetric_public_encryption_users = [local.current_identity] 43 | key_asymmetric_sign_verify_users = [local.current_identity] 44 | key_statements = [ 45 | { 46 | sid = "AllowCloudWatchLogsEncryption", 47 | effect = "Allow" 48 | actions = [ 49 | "kms:Encrypt*", 50 | "kms:Decrypt*", 51 | "kms:ReEncrypt*", 52 | "kms:GenerateDataKey*", 53 | "kms:Describe*" 54 | ] 55 | resources = ["*"] 56 | 57 | principals = [ 58 | { 59 | type = "Service" 60 | identifiers = ["logs.${local.region}.amazonaws.com"] 61 | } 62 | ] 63 | } 64 | ] 65 | # Aliases 66 | aliases = ["${local.name}-KMS"] 67 | aliases_use_name_prefix = true 68 | } 69 | 70 | 71 | module "vpc" { 72 | source = "saturnops/vpc/aws" 73 | name = local.name 74 | region = local.region 75 | vpc_cidr = local.vpc_cidr 76 | environment = local.environment 77 | flow_log_enabled = true 78 | vpn_key_pair_name = module.key_pair_vpn.key_pair_name 79 | availability_zones = ["ap-south-1a", "ap-south-1b"] 80 | vpn_server_enabled = true 81 | intra_subnet_enabled = true 82 | public_subnet_enabled = true 83 | auto_assign_public_ip = true 84 | private_subnet_enabled = true 85 | one_nat_gateway_per_az = true 86 | database_subnet_enabled = true 87 | vpn_server_instance_type = "t3a.small" 88 | vpc_s3_endpoint_enabled = true 89 | vpc_ecr_endpoint_enabled = true 90 | flow_log_max_aggregation_interval = 60 # In seconds 91 | flow_log_cloudwatch_log_group_skip_destroy = true 92 | flow_log_cloudwatch_log_group_retention_in_days = 90 93 | flow_log_cloudwatch_log_group_kms_key_arn = module.kms.key_arn #Enter your kms key arn 94 | } -------------------------------------------------------------------------------- /examples/complete-vpc-with-vpn/outputs.tf: -------------------------------------------------------------------------------- 1 | output "region" { 2 | description = "AWS Region" 3 | value = local.region 4 | } 5 | 6 | output "vpc_id" { 7 | description = "The ID of the VPC" 8 | value = module.vpc.vpc_id 9 | } 10 | 11 | output "vpc_cidr_block" { 12 | description = "AWS Region" 13 | value = module.vpc.vpc_cidr_block 14 | } 15 | 16 | output "public_subnets" { 17 | description = "List of IDs of public subnets" 18 | value = module.vpc.public_subnets 19 | } 20 | 21 | output "private_subnets" { 22 | description = "List of IDs of private subnets" 23 | value = module.vpc.private_subnets 24 | } 25 | 26 | output "database_subnets" { 27 | description = "List of IDs of database subnets" 28 | value = module.vpc.database_subnets 29 | } 30 | 31 | output "intra_subnets" { 32 | description = "List of IDs of Intra subnets" 33 | value = module.vpc.intra_subnets 34 | } 35 | 36 | output "vpn_host_public_ip" { 37 | description = "IP Adress of VPN Server" 38 | value = module.vpc.vpn_host_public_ip 39 | } 40 | 41 | output "vpn_security_group" { 42 | description = "Security Group ID of VPN Server" 43 | value = module.vpc.vpn_security_group 44 | } 45 | -------------------------------------------------------------------------------- /examples/complete-vpc-with-vpn/providers.tf: -------------------------------------------------------------------------------- 1 | provider "aws" { 2 | region = local.region 3 | default_tags { 4 | tags = local.additional_aws_tags 5 | } 6 | } 7 | -------------------------------------------------------------------------------- /examples/ipam-managed-vpc/README.md: -------------------------------------------------------------------------------- 1 | # IPAM VPC 2 | 3 | Configuration in this directory creates set of VPC resources with IPAM managed CIDRs 4 | 5 | IPAM pool with desired CIDR and its allocation which restricts the overlapping of CIDRs 6 | 7 | [Read more about AWS regions, availability zones and local zones](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html#concepts-regions-availability-zones). 8 | 9 | ## Usage 10 | 11 | To run this example you need to execute: 12 | 13 | ```bash 14 | $ terraform init 15 | $ terraform plan 16 | $ terraform apply 17 | ``` 18 | 19 | Note that this example may create resources which can cost money (AWS Elastic IP, for example). Run `terraform destroy` when you don't need these resources. 20 | 21 | 22 | ## Requirements 23 | 24 | No requirements. 25 | 26 | ## Providers 27 | 28 | No providers. 29 | 30 | ## Modules 31 | 32 | | Name | Source | Version | 33 | |------|--------|---------| 34 | | [vpc\_ipam](#module\_vpc\_ipam) | saturnops/vpc/aws | n/a | 35 | 36 | ## Resources 37 | 38 | No resources. 39 | 40 | ## Inputs 41 | 42 | No inputs. 43 | 44 | ## Outputs 45 | 46 | | Name | Description | 47 | |------|-------------| 48 | | [public\_subnets](#output\_public\_subnets) | List of IDs of public subnets | 49 | | [region](#output\_region) | AWS Region | 50 | | [vpc\_cidr\_block](#output\_vpc\_cidr\_block) | AWS Region | 51 | | [vpc\_id](#output\_vpc\_id) | The ID of the VPC | 52 | 53 | -------------------------------------------------------------------------------- /examples/ipam-managed-vpc/main.tf: -------------------------------------------------------------------------------- 1 | locals { 2 | region = "us-east-1" 3 | environment = "stage" 4 | name = "skaf" 5 | additional_aws_tags = { 6 | Owner = "SaturnOps" 7 | Expires = "Never" 8 | Department = "Engineering" 9 | } 10 | vpc_cidr = "10.10.0.0/16" 11 | ipam_enabled = true 12 | } 13 | 14 | module "vpc_ipam" { 15 | source = "saturnops/vpc/aws" 16 | 17 | name = local.name 18 | 19 | ipam_enabled = local.ipam_enabled 20 | region = local.region 21 | create_ipam_pool = true 22 | vpc_cidr = local.vpc_cidr 23 | availability_zones = ["us-east-1a", "us-east-1b"] 24 | 25 | private_subnet_enabled = true 26 | public_subnet_enabled = true 27 | } 28 | -------------------------------------------------------------------------------- /examples/ipam-managed-vpc/output.tf: -------------------------------------------------------------------------------- 1 | output "region" { 2 | description = "AWS Region" 3 | value = local.region 4 | } 5 | 6 | output "vpc_id" { 7 | description = "The ID of the VPC" 8 | value = module.vpc_ipam.vpc_id 9 | } 10 | 11 | output "vpc_cidr_block" { 12 | description = "AWS Region" 13 | value = module.vpc_ipam.vpc_cidr_block 14 | } 15 | 16 | output "public_subnets" { 17 | description = "List of IDs of public subnets" 18 | value = module.vpc_ipam.public_subnets 19 | } 20 | -------------------------------------------------------------------------------- /examples/ipam-managed-vpc/providers.tf: -------------------------------------------------------------------------------- 1 | provider "aws" { 2 | region = local.region 3 | default_tags { 4 | tags = local.additional_aws_tags 5 | } 6 | } 7 | -------------------------------------------------------------------------------- /examples/simple-vpc/README.md: -------------------------------------------------------------------------------- 1 | # Simple VPC 2 | 3 | Configuration in this directory creates set of VPC resources which may be sufficient for development environment. 4 | 5 | There is a public subnet created per availability zone with Internet Gateway and route tables. 6 | 7 | [Read more about AWS regions, availability zones and local zones](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html#concepts-regions-availability-zones). 8 | 9 | ## Usage 10 | 11 | To run this example you need to execute: 12 | 13 | ```bash 14 | $ terraform init 15 | $ terraform plan 16 | $ terraform apply 17 | ``` 18 | 19 | Note that this example may create resources which can cost money (AWS Elastic IP, for example). Run `terraform destroy` when you don't need these resources. 20 | 21 | 22 | ## Requirements 23 | 24 | No requirements. 25 | 26 | ## Providers 27 | 28 | No providers. 29 | 30 | ## Modules 31 | 32 | | Name | Source | Version | 33 | |------|--------|---------| 34 | | [vpc](#module\_vpc) | saturnops/vpc/aws | n/a | 35 | 36 | ## Resources 37 | 38 | No resources. 39 | 40 | ## Inputs 41 | 42 | No inputs. 43 | 44 | ## Outputs 45 | 46 | | Name | Description | 47 | |------|-------------| 48 | | [public\_subnets](#output\_public\_subnets) | List of IDs of public subnets | 49 | | [region](#output\_region) | AWS Region | 50 | | [vpc\_cidr\_block](#output\_vpc\_cidr\_block) | AWS Region | 51 | | [vpc\_id](#output\_vpc\_id) | The ID of the VPC | 52 | 53 | -------------------------------------------------------------------------------- /examples/simple-vpc/main.tf: -------------------------------------------------------------------------------- 1 | locals { 2 | region = "us-east-1" 3 | environment = "dev" 4 | name = "skaf" 5 | additional_aws_tags = { 6 | Owner = "SaturnOps" 7 | Expires = "Never" 8 | Department = "Engineering" 9 | } 10 | vpc_cidr = "10.10.0.0/16" 11 | } 12 | 13 | module "vpc" { 14 | source = "saturnops/vpc/aws" 15 | name = local.name 16 | vpc_cidr = local.vpc_cidr 17 | environment = local.environment 18 | availability_zones = ["us-east-1a", "us-east-1b"] 19 | public_subnet_enabled = true 20 | auto_assign_public_ip = true 21 | } 22 | -------------------------------------------------------------------------------- /examples/simple-vpc/output.tf: -------------------------------------------------------------------------------- 1 | output "region" { 2 | description = "AWS Region" 3 | value = local.region 4 | } 5 | 6 | output "vpc_id" { 7 | description = "The ID of the VPC" 8 | value = module.vpc.vpc_id 9 | } 10 | 11 | output "vpc_cidr_block" { 12 | description = "AWS Region" 13 | value = module.vpc.vpc_cidr_block 14 | } 15 | 16 | output "public_subnets" { 17 | description = "List of IDs of public subnets" 18 | value = module.vpc.public_subnets 19 | } 20 | -------------------------------------------------------------------------------- /examples/simple-vpc/providers.tf: -------------------------------------------------------------------------------- 1 | provider "aws" { 2 | region = local.region 3 | default_tags { 4 | tags = local.additional_aws_tags 5 | } 6 | } 7 | -------------------------------------------------------------------------------- /examples/vpc-dualstack/README.md: -------------------------------------------------------------------------------- 1 | # VPC with IPv6 support 2 | 3 | 4 | VPC with dual stack IP mode enabled IPv6 and IPv4 includes public and private subnet will be created per availability zone in addition to single NAT Gateway shared between all availability zones. 5 | 6 | ## Usage 7 | 8 | To run this example you need to execute: 9 | 10 | ```bash 11 | $ terraform init 12 | $ terraform plan 13 | $ terraform apply 14 | ``` 15 | 16 | Note that this example may create resources which can cost money (AWS Elastic IP, for example). Run `terraform destroy` when you don't need these resources. 17 | 18 | 19 | 20 | ## Requirements 21 | 22 | No requirements. 23 | 24 | ## Providers 25 | 26 | No providers. 27 | 28 | ## Modules 29 | 30 | | Name | Source | Version | 31 | |------|--------|---------| 32 | | [vpc](#module\_vpc) | saturnops/vpc/aws | n/a | 33 | 34 | ## Resources 35 | 36 | No resources. 37 | 38 | ## Inputs 39 | 40 | No inputs. 41 | 42 | ## Outputs 43 | 44 | | Name | Description | 45 | |------|-------------| 46 | | [ipv6\_vpc\_cidr\_block](#output\_ipv6\_vpc\_cidr\_block) | The IPv6 CIDR block | 47 | | [private\_subnets](#output\_private\_subnets) | List of IDs of private subnets | 48 | | [public\_subnets](#output\_public\_subnets) | List of IDs of public subnets | 49 | | [region](#output\_region) | AWS Region | 50 | | [vpc\_cidr\_block](#output\_vpc\_cidr\_block) | The CIDR of the VPC | 51 | | [vpc\_id](#output\_vpc\_id) | The ID of the VPC | 52 | | [vpc\_ipv6\_association\_id](#output\_vpc\_ipv6\_association\_id) | The association ID for the IPv6 CIDR block | 53 | 54 | -------------------------------------------------------------------------------- /examples/vpc-dualstack/main.tf: -------------------------------------------------------------------------------- 1 | locals { 2 | name = "skaf" 3 | region = "us-east-1" 4 | environment = "stage" 5 | additional_aws_tags = { 6 | Owner = "SaturnOps" 7 | Expires = "Never" 8 | Department = "Engineering" 9 | } 10 | vpc_cidr = "10.10.0.0/16" 11 | ipv6_enabled = true 12 | } 13 | 14 | module "vpc" { 15 | source = "saturnops/vpc/aws" 16 | name = local.name 17 | vpc_cidr = local.vpc_cidr 18 | environment = local.environment 19 | availability_zones = ["us-east-1a", "us-east-1b"] 20 | public_subnet_enabled = true 21 | private_subnet_enabled = true 22 | intra_subnet_enabled = false 23 | database_subnet_enabled = false 24 | auto_assign_public_ip = true 25 | ipv6_enabled = local.ipv6_enabled 26 | public_subnet_assign_ipv6_address_on_creation = true 27 | private_subnet_assign_ipv6_address_on_creation = true 28 | database_subnet_assign_ipv6_address_on_creation = true 29 | intra_subnet_assign_ipv6_address_on_creation = true 30 | 31 | } 32 | -------------------------------------------------------------------------------- /examples/vpc-dualstack/outputs.tf: -------------------------------------------------------------------------------- 1 | output "region" { 2 | description = "AWS Region" 3 | value = local.region 4 | } 5 | 6 | output "vpc_id" { 7 | description = "The ID of the VPC" 8 | value = module.vpc.vpc_id 9 | } 10 | 11 | output "vpc_cidr_block" { 12 | description = "The CIDR of the VPC" 13 | value = module.vpc.vpc_cidr_block 14 | } 15 | 16 | output "public_subnets" { 17 | description = "List of IDs of public subnets" 18 | value = module.vpc.public_subnets 19 | } 20 | 21 | output "private_subnets" { 22 | description = "List of IDs of private subnets" 23 | value = module.vpc.private_subnets 24 | } 25 | 26 | 27 | output "vpc_ipv6_association_id" { 28 | description = "The association ID for the IPv6 CIDR block" 29 | value = module.vpc.vpc_ipv6_association_id 30 | } 31 | 32 | output "ipv6_vpc_cidr_block" { 33 | description = "The IPv6 CIDR block" 34 | value = module.vpc.ipv6_vpc_cidr_block 35 | } 36 | -------------------------------------------------------------------------------- /examples/vpc-dualstack/providers.tf: -------------------------------------------------------------------------------- 1 | provider "aws" { 2 | region = local.region 3 | default_tags { 4 | tags = local.additional_aws_tags 5 | } 6 | } 7 | -------------------------------------------------------------------------------- /examples/vpc-native-ipv6/README.md: -------------------------------------------------------------------------------- 1 | # VPC with Native IPv6 support 2 | 3 | 4 | VPC with native IPv6 which includes public and private subnet will be created per availability zone in addition to single NAT Gateway shared between all availability zones. 5 | 6 | ## Usage 7 | 8 | To run this example you need to execute: 9 | 10 | ```bash 11 | $ terraform init 12 | $ terraform plan 13 | $ terraform apply 14 | ``` 15 | 16 | Note that this example may create resources which can cost money (AWS Elastic IP, for example). Run `terraform destroy` when you don't need these resources. 17 | 18 | 19 | 20 | ## Requirements 21 | 22 | No requirements. 23 | 24 | ## Providers 25 | 26 | No providers. 27 | 28 | ## Modules 29 | 30 | | Name | Source | Version | 31 | |------|--------|---------| 32 | | [vpc](#module\_vpc) | saturnops/vpc/aws | n/a | 33 | 34 | ## Resources 35 | 36 | No resources. 37 | 38 | ## Inputs 39 | 40 | No inputs. 41 | 42 | ## Outputs 43 | 44 | | Name | Description | 45 | |------|-------------| 46 | | [database\_subnets](#output\_database\_subnets) | List of IDs of database subnets | 47 | | [intra\_subnets](#output\_intra\_subnets) | List of IDs of Intra subnets | 48 | | [ipv6\_vpc\_cidr\_block](#output\_ipv6\_vpc\_cidr\_block) | The IPv6 CIDR block | 49 | | [private\_subnets](#output\_private\_subnets) | List of IDs of private subnets | 50 | | [public\_subnets](#output\_public\_subnets) | List of IDs of public subnets | 51 | | [region](#output\_region) | AWS Region | 52 | | [vpc\_cidr\_block](#output\_vpc\_cidr\_block) | The CIDR of the VPC | 53 | | [vpc\_id](#output\_vpc\_id) | The ID of the VPC | 54 | | [vpc\_ipv6\_association\_id](#output\_vpc\_ipv6\_association\_id) | The association ID for the IPv6 CIDR block | 55 | 56 | -------------------------------------------------------------------------------- /examples/vpc-native-ipv6/main.tf: -------------------------------------------------------------------------------- 1 | locals { 2 | name = "skaf" 3 | region = "us-east-1" 4 | environment = "stage" 5 | additional_aws_tags = { 6 | Owner = "SaturnOps" 7 | Expires = "Never" 8 | Department = "Engineering" 9 | } 10 | vpc_cidr = "10.10.0.0/16" 11 | ipv6_enabled = true 12 | ipv6_only = true 13 | } 14 | 15 | module "vpc" { 16 | source = "saturnops/vpc/aws" 17 | name = local.name 18 | vpc_cidr = local.vpc_cidr 19 | ipv6_only = local.ipv6_only 20 | environment = local.environment 21 | ipv6_enabled = local.ipv6_enabled 22 | availability_zones = ["us-east-1a", "us-east-1b"] 23 | public_subnet_enabled = true 24 | private_subnet_enabled = true 25 | intra_subnet_enabled = true 26 | database_subnet_enabled = true 27 | public_subnet_assign_ipv6_address_on_creation = true 28 | private_subnet_assign_ipv6_address_on_creation = true 29 | database_subnet_assign_ipv6_address_on_creation = true 30 | intra_subnet_assign_ipv6_address_on_creation = true 31 | } 32 | -------------------------------------------------------------------------------- /examples/vpc-native-ipv6/outputs.tf: -------------------------------------------------------------------------------- 1 | output "region" { 2 | description = "AWS Region" 3 | value = local.region 4 | } 5 | 6 | output "vpc_id" { 7 | description = "The ID of the VPC" 8 | value = module.vpc.vpc_id 9 | } 10 | 11 | output "vpc_cidr_block" { 12 | description = "The CIDR of the VPC" 13 | value = module.vpc.vpc_cidr_block 14 | } 15 | 16 | output "public_subnets" { 17 | description = "List of IDs of public subnets" 18 | value = module.vpc.public_subnets 19 | } 20 | 21 | output "private_subnets" { 22 | description = "List of IDs of private subnets" 23 | value = module.vpc.private_subnets 24 | } 25 | 26 | output "database_subnets" { 27 | description = "List of IDs of database subnets" 28 | value = module.vpc.database_subnets 29 | } 30 | 31 | output "intra_subnets" { 32 | description = "List of IDs of Intra subnets" 33 | value = module.vpc.intra_subnets 34 | } 35 | 36 | output "vpc_ipv6_association_id" { 37 | description = "The association ID for the IPv6 CIDR block" 38 | value = module.vpc.vpc_ipv6_association_id 39 | } 40 | 41 | output "ipv6_vpc_cidr_block" { 42 | description = "The IPv6 CIDR block" 43 | value = module.vpc.ipv6_vpc_cidr_block 44 | } 45 | -------------------------------------------------------------------------------- /examples/vpc-native-ipv6/providers.tf: -------------------------------------------------------------------------------- 1 | provider "aws" { 2 | region = local.region 3 | default_tags { 4 | tags = local.additional_aws_tags 5 | } 6 | } 7 | -------------------------------------------------------------------------------- /examples/vpc-with-peering/README.md: -------------------------------------------------------------------------------- 1 | # VPC Peering 2 | 3 | Configuration in this directory creates a VPC peering connection between two VPCs. 4 | 5 | ## Usage 6 | 7 | To run this example you need to execute this module in two parts : 8 | 9 | 1. Execute the below command to deploy accepter and requester VPC: 10 | 11 | ```bash 12 | $ cd vpc-requester-accepter 13 | $ terraform init 14 | $ terraform plan 15 | $ terraform apply 16 | ``` 17 | 2. Copy the VPC id from the output and update in root (peering) main.tf locals block. 18 | 19 | 3. Execute the below command for peering of created VPC: 20 | 21 | ```bash 22 | $ terraform init 23 | $ terraform plan 24 | $ terraform apply 25 | ``` 26 | 27 | Note that this example may create resources which can cost money (AWS Elastic IP, for example). Run `terraform destroy` when you don't need these resources. 28 | 29 | 30 | 31 | ## Requirements 32 | 33 | No requirements. 34 | 35 | ## Providers 36 | 37 | No providers. 38 | 39 | ## Modules 40 | 41 | | Name | Source | Version | 42 | |------|--------|---------| 43 | | [vpc\_peering](#module\_vpc\_peering) | saturnops/vpc/aws//modules/vpc_peering | n/a | 44 | 45 | ## Resources 46 | 47 | No resources. 48 | 49 | ## Inputs 50 | 51 | No inputs. 52 | 53 | ## Outputs 54 | 55 | | Name | Description | 56 | |------|-------------| 57 | | [vpc\_peering\_accept\_status](#output\_vpc\_peering\_accept\_status) | Accept status for the connection | 58 | | [vpc\_peering\_connection\_id](#output\_vpc\_peering\_connection\_id) | Peering connection ID | 59 | 60 | -------------------------------------------------------------------------------- /examples/vpc-with-peering/main.tf: -------------------------------------------------------------------------------- 1 | locals { 2 | accepter_name = "tenent-peering" 3 | accepter_region = "us-east-2" 4 | accepter_vpc_id = "vpc-049f2peerb195d692" 5 | requester_name = "management-peering" 6 | requester_region = "us-east-2" 7 | requester_vpc_id = "vpc-0125epeere8cfb616" 8 | additional_tags = { 9 | Owner = "tenent" 10 | Tenancy = "dedicated" 11 | } 12 | } 13 | 14 | module "vpc_peering" { 15 | source = "saturnops/vpc/aws//modules/vpc_peering" 16 | accepter_name = local.accepter_name 17 | accepter_vpc_id = local.accepter_vpc_id 18 | accepter_vpc_region = local.accepter_region 19 | requester_name = local.requester_name 20 | requester_vpc_id = local.requester_vpc_id 21 | requester_vpc_region = local.requester_region 22 | } 23 | -------------------------------------------------------------------------------- /examples/vpc-with-peering/output.tf: -------------------------------------------------------------------------------- 1 | output "vpc_peering_connection_id" { 2 | description = "Peering connection ID" 3 | value = module.vpc_peering.vpc_peering_connection_id 4 | } 5 | 6 | output "vpc_peering_accept_status" { 7 | description = "Accept status for the connection" 8 | value = module.vpc_peering.vpc_peering_accept_status 9 | } 10 | -------------------------------------------------------------------------------- /examples/vpc-with-peering/provider.tf: -------------------------------------------------------------------------------- 1 | provider "aws" { 2 | region = local.region 3 | default_tags { 4 | tags = local.additional_tags 5 | } 6 | } 7 | -------------------------------------------------------------------------------- /examples/vpc-with-peering/vpc-requester-accepter/main.tf: -------------------------------------------------------------------------------- 1 | locals { 2 | region = "us-east-2" 3 | additional_aws_tags = { 4 | Owner = "SaturnOps" 5 | Expires = "Never" 6 | Department = "Engineering" 7 | } 8 | } 9 | 10 | module "vpc_accepter" { 11 | source = "saturnops/vpc/aws" 12 | name = "accepter" 13 | vpc_cidr = "10.10.0.0/16" 14 | environment = "dev" 15 | availability_zones = 2 16 | public_subnet_enabled = true 17 | } 18 | 19 | module "vpc_requester" { 20 | source = "saturnops/vpc/aws" 21 | name = "requester" 22 | vpc_cidr = "172.10.0.0/16" 23 | environment = "uat" 24 | availability_zones = 2 25 | public_subnet_enabled = true 26 | } 27 | 28 | output "vpc_id_accepter" { 29 | description = "The ID of the accepter VPC" 30 | value = module.vpc_accepter.vpc_id 31 | } 32 | 33 | output "vpc_id_requester" { 34 | description = "The ID of the requester VPC" 35 | value = module.vpc_requester.vpc_id 36 | } 37 | -------------------------------------------------------------------------------- /examples/vpc-with-peering/vpc-requester-accepter/providers.tf: -------------------------------------------------------------------------------- 1 | provider "aws" { 2 | region = local.region 3 | default_tags { 4 | tags = local.additional_aws_tags 5 | } 6 | } 7 | -------------------------------------------------------------------------------- /examples/vpc-with-private-subnet/README.md: -------------------------------------------------------------------------------- 1 | # VPC with Private Subnets 2 | 3 | 4 | A public and private subnet will be created per availability zone in addition to single NAT Gateway shared between all availability zones. 5 | 6 | ## Usage 7 | 8 | To run this example you need to execute: 9 | 10 | ```bash 11 | $ terraform init 12 | $ terraform plan 13 | $ terraform apply 14 | ``` 15 | 16 | Note that this example may create resources which can cost money (AWS Elastic IP, for example). Run `terraform destroy` when you don't need these resources. 17 | 18 | 19 | 20 | ## Requirements 21 | 22 | No requirements. 23 | 24 | ## Providers 25 | 26 | No providers. 27 | 28 | ## Modules 29 | 30 | | Name | Source | Version | 31 | |------|--------|---------| 32 | | [vpc](#module\_vpc) | saturnops/vpc/aws | n/a | 33 | 34 | ## Resources 35 | 36 | No resources. 37 | 38 | ## Inputs 39 | 40 | No inputs. 41 | 42 | ## Outputs 43 | 44 | | Name | Description | 45 | |------|-------------| 46 | | [private\_subnets](#output\_private\_subnets) | List of IDs of private subnets | 47 | | [public\_subnets](#output\_public\_subnets) | List of IDs of public subnets | 48 | | [region](#output\_region) | AWS Region | 49 | | [vpc\_cidr\_block](#output\_vpc\_cidr\_block) | AWS Region | 50 | | [vpc\_id](#output\_vpc\_id) | The ID of the VPC | 51 | 52 | -------------------------------------------------------------------------------- /examples/vpc-with-private-subnet/main.tf: -------------------------------------------------------------------------------- 1 | locals { 2 | name = "skaf" 3 | region = "us-east-1" 4 | environment = "stage" 5 | additional_aws_tags = { 6 | Owner = "SaturnOps" 7 | Expires = "Never" 8 | Department = "Engineering" 9 | } 10 | vpc_cidr = "10.10.0.0/16" 11 | } 12 | 13 | module "vpc" { 14 | source = "saturnops/vpc/aws" 15 | name = local.name 16 | vpc_cidr = local.vpc_cidr 17 | environment = local.environment 18 | availability_zones = ["us-east-1a", "us-east-1b"] 19 | public_subnet_enabled = true 20 | private_subnet_enabled = true 21 | auto_assign_public_ip = true 22 | 23 | } 24 | -------------------------------------------------------------------------------- /examples/vpc-with-private-subnet/outputs.tf: -------------------------------------------------------------------------------- 1 | output "region" { 2 | description = "AWS Region" 3 | value = local.region 4 | } 5 | 6 | output "vpc_id" { 7 | description = "The ID of the VPC" 8 | value = module.vpc.vpc_id 9 | } 10 | 11 | output "vpc_cidr_block" { 12 | description = "AWS Region" 13 | value = module.vpc.vpc_cidr_block 14 | } 15 | 16 | output "public_subnets" { 17 | description = "List of IDs of public subnets" 18 | value = module.vpc.public_subnets 19 | } 20 | 21 | output "private_subnets" { 22 | description = "List of IDs of private subnets" 23 | value = module.vpc.private_subnets 24 | } 25 | -------------------------------------------------------------------------------- /examples/vpc-with-private-subnet/providers.tf: -------------------------------------------------------------------------------- 1 | provider "aws" { 2 | region = local.region 3 | default_tags { 4 | tags = local.additional_aws_tags 5 | } 6 | } 7 | -------------------------------------------------------------------------------- /examples/vpc-with-secondary-cidr/README.md: -------------------------------------------------------------------------------- 1 | # VPC with Multiple CIDR Supports 2 | 3 | 4 | MUltiple CIDRs can be attached with a VPC in addition of increasing numbers of IPs. A public and private subnet will be created per availability zone in addition to single NAT Gateway shared between all availability zones. 5 | 6 | ## Usage 7 | 8 | To run this example you need to execute: 9 | 10 | ```bash 11 | $ terraform init 12 | $ terraform plan 13 | $ terraform apply 14 | ``` 15 | 16 | Note that this example may create resources which can cost money (AWS Elastic IP, for example). Run `terraform destroy` when you don't need these resources. 17 | 18 | 19 | 20 | ## Requirements 21 | 22 | No requirements. 23 | 24 | ## Providers 25 | 26 | No providers. 27 | 28 | ## Modules 29 | 30 | | Name | Source | Version | 31 | |------|--------|---------| 32 | | [vpc](#module\_vpc) | saturnops/vpc/aws | n/a | 33 | 34 | ## Resources 35 | 36 | No resources. 37 | 38 | ## Inputs 39 | 40 | No inputs. 41 | 42 | ## Outputs 43 | 44 | | Name | Description | 45 | |------|-------------| 46 | | [private\_subnets](#output\_private\_subnets) | List of IDs of private subnets | 47 | | [public\_subnets](#output\_public\_subnets) | List of IDs of public subnets | 48 | | [region](#output\_region) | AWS Region | 49 | | [vpc\_cidr\_block](#output\_vpc\_cidr\_block) | AWS Region | 50 | | [vpc\_id](#output\_vpc\_id) | The ID of the VPC | 51 | | [vpc\_secondary\_cidr\_blocks](#output\_vpc\_secondary\_cidr\_blocks) | List of secondary CIDR blocks of the VPC | 52 | 53 | -------------------------------------------------------------------------------- /examples/vpc-with-secondary-cidr/main.tf: -------------------------------------------------------------------------------- 1 | locals { 2 | name = "skaf" 3 | region = "us-east-1" 4 | environment = "stage" 5 | additional_aws_tags = { 6 | Owner = "SaturnOps" 7 | Expires = "Never" 8 | Department = "Engineering" 9 | } 10 | vpc_cidr = "10.10.0.0/16" 11 | secondry_cidr_enabled = true 12 | secondary_cidr_blocks = ["10.20.0.0/16"] 13 | } 14 | 15 | module "vpc" { 16 | source = "saturnops/vpc/aws" 17 | name = local.name 18 | vpc_cidr = local.vpc_cidr 19 | environment = local.environment 20 | availability_zones = ["us-east-1a", "us-east-1b"] 21 | public_subnet_enabled = true 22 | private_subnet_enabled = true 23 | auto_assign_public_ip = true 24 | intra_subnet_enabled = true 25 | database_subnet_enabled = true 26 | secondry_cidr_enabled = local.secondry_cidr_enabled 27 | secondary_cidr_blocks = local.secondary_cidr_blocks 28 | } 29 | -------------------------------------------------------------------------------- /examples/vpc-with-secondary-cidr/outputs.tf: -------------------------------------------------------------------------------- 1 | output "region" { 2 | description = "AWS Region" 3 | value = local.region 4 | } 5 | 6 | output "vpc_id" { 7 | description = "The ID of the VPC" 8 | value = module.vpc.vpc_id 9 | } 10 | 11 | output "vpc_cidr_block" { 12 | description = "AWS Region" 13 | value = module.vpc.vpc_cidr_block 14 | } 15 | 16 | output "public_subnets" { 17 | description = "List of IDs of public subnets" 18 | value = module.vpc.public_subnets 19 | } 20 | 21 | output "private_subnets" { 22 | description = "List of IDs of private subnets" 23 | value = module.vpc.private_subnets 24 | } 25 | 26 | output "vpc_secondary_cidr_blocks" { 27 | description = "List of secondary CIDR blocks of the VPC" 28 | value = module.vpc.vpc_secondary_cidr_blocks 29 | } 30 | -------------------------------------------------------------------------------- /examples/vpc-with-secondary-cidr/providers.tf: -------------------------------------------------------------------------------- 1 | provider "aws" { 2 | region = local.region 3 | default_tags { 4 | tags = local.additional_aws_tags 5 | } 6 | } 7 | -------------------------------------------------------------------------------- /main.tf: -------------------------------------------------------------------------------- 1 | locals { 2 | azs = length(var.availability_zones) 3 | public_subnets_native = var.public_subnet_enabled ? length(var.public_subnet_cidrs) > 0 ? var.public_subnet_cidrs : [for netnum in range(0, local.azs) : cidrsubnet(var.vpc_cidr, 8, netnum)] : [] 4 | secondary_public_subnets = var.public_subnet_enabled && var.secondry_cidr_enabled ? [ 5 | for cidr_block in var.secondary_cidr_blocks : [ 6 | for netnum in range(0, local.azs) : cidrsubnet(cidr_block, 8, netnum) 7 | ] 8 | ] : [] 9 | public_subnets = concat(local.public_subnets_native, flatten(local.secondary_public_subnets)) 10 | intra_subnets_native = var.intra_subnet_enabled ? length(var.intra_subnet_cidrs) > 0 ? var.intra_subnet_cidrs : [for netnum in range(local.azs * 3, local.azs * 4) : cidrsubnet(var.vpc_cidr, 8, netnum)] : [] 11 | secondary_intra_subnets = var.intra_subnet_enabled && var.secondry_cidr_enabled ? [ 12 | for cidr_block in var.secondary_cidr_blocks : [ 13 | for netnum in range(local.azs * 3, local.azs * 4) : cidrsubnet(cidr_block, 8, netnum) 14 | ] 15 | ] : [] 16 | intra_subnets = concat(local.intra_subnets_native, flatten(local.secondary_intra_subnets)) 17 | private_subnets_native = var.private_subnet_enabled ? length(var.private_subnet_cidrs) > 0 ? var.private_subnet_cidrs : [for netnum in range(local.azs, local.azs * 2) : cidrsubnet(var.vpc_cidr, 4, netnum)] : [] 18 | secondary_private_subnets = var.private_subnet_enabled && var.secondry_cidr_enabled ? [ 19 | for cidr_block in var.secondary_cidr_blocks : [ 20 | for netnum in range(local.azs, local.azs * 2) : cidrsubnet(cidr_block, 4, netnum) 21 | ] 22 | ] : [] 23 | private_subnets = concat(local.private_subnets_native, flatten(local.secondary_private_subnets)) 24 | database_subnets_native = var.database_subnet_enabled ? length(var.database_subnet_cidrs) > 0 ? var.database_subnet_cidrs : [for netnum in range(local.azs * 2, local.azs * 3) : cidrsubnet(var.vpc_cidr, 8, netnum)] : [] 25 | secondary_database_subnets = var.database_subnet_enabled && var.secondry_cidr_enabled ? [ 26 | for cidr_block in var.secondary_cidr_blocks : [ 27 | for netnum in range(local.azs * 2, local.azs * 3) : cidrsubnet(cidr_block, 8, netnum) 28 | ] 29 | ] : [] 30 | database_subnets = concat(local.database_subnets_native, flatten(local.secondary_database_subnets)) 31 | single_nat_gateway = var.one_nat_gateway_per_az == true ? false : true 32 | create_database_subnet_route_table = var.database_subnet_enabled 33 | create_flow_log_cloudwatch_log_group = var.flow_log_enabled == true || var.flow_log_cloudwatch_log_group_skip_destroy == true ? true : false 34 | is_supported_arch = data.aws_ec2_instance_type.arch.supported_architectures[0] == "arm64" ? false : true # for VPN Instance 35 | nacl_allow_vpc_access_rule = [{ 36 | rule_no = 97 37 | action = "allow" 38 | from_port = 0 39 | to_port = 0 40 | protocol = "-1" 41 | cidr_block = var.vpc_cidr 42 | } 43 | 44 | ] 45 | enable_ipv6 = var.ipv6_enabled 46 | ipv6_only = var.ipv6_enabled && var.ipv6_only ? true : false 47 | public_subnet_assign_ipv6_address_on_creation = var.public_subnet_assign_ipv6_address_on_creation == true && var.ipv6_enabled == true ? true : false 48 | private_subnet_assign_ipv6_address_on_creation = var.private_subnet_assign_ipv6_address_on_creation == true && var.ipv6_enabled == true ? true : false 49 | database_subnet_assign_ipv6_address_on_creation = var.database_subnet_assign_ipv6_address_on_creation == true && var.ipv6_enabled == true ? true : false 50 | intra_subnet_assign_ipv6_address_on_creation = var.intra_subnet_assign_ipv6_address_on_creation == true && var.ipv6_enabled == true ? true : false 51 | 52 | public_subnet_ipv6_prefixes = var.public_subnet_enabled ? [for i in range(local.azs) : i] : [] 53 | private_subnet_ipv6_prefixes = var.private_subnet_enabled ? [for i in range(local.azs) : i + length(data.aws_availability_zones.available.names)] : [] 54 | database_subnet_ipv6_prefixes = var.database_subnet_enabled ? [for i in range(local.azs) : i + 2 * length(data.aws_availability_zones.available.names)] : [] 55 | intra_subnet_ipv6_prefixes = var.intra_subnet_enabled ? [for i in range(local.azs) : i + 3 * length(data.aws_availability_zones.available.names)] : [] 56 | } 57 | data "aws_availability_zones" "available" {} 58 | data "aws_ec2_instance_type" "arch" { 59 | instance_type = var.vpn_server_instance_type 60 | } 61 | 62 | module "vpc" { 63 | source = "terraform-aws-modules/vpc/aws" 64 | version = "5.2.0" 65 | name = format("%s-%s-vpc", var.environment, var.name) 66 | cidr = var.vpc_cidr # CIDR FOR VPC 67 | azs = var.availability_zones 68 | use_ipam_pool = var.ipam_enabled ? true : false 69 | ipv4_ipam_pool_id = var.ipam_enabled && var.create_ipam_pool ? aws_vpc_ipam_pool.ipam_pool[0].id : null 70 | ipv4_netmask_length = var.ipam_enabled ? var.ipv4_netmask_length : null 71 | create_database_subnet_group = length(local.database_subnets) > 1 && var.enable_database_subnet_group ? true : false 72 | intra_subnets = local.intra_subnets 73 | public_subnets = local.public_subnets 74 | private_subnets = local.private_subnets 75 | database_subnets = local.database_subnets 76 | enable_flow_log = var.flow_log_enabled 77 | enable_nat_gateway = length(local.private_subnets) > 0 && !var.ipv6_only ? true : false 78 | single_nat_gateway = local.single_nat_gateway 79 | enable_vpn_gateway = false 80 | enable_dns_hostnames = true 81 | flow_log_traffic_type = "ALL" 82 | secondary_cidr_blocks = var.secondry_cidr_enabled ? var.secondary_cidr_blocks : [] 83 | one_nat_gateway_per_az = var.one_nat_gateway_per_az 84 | map_public_ip_on_launch = var.auto_assign_public_ip 85 | flow_log_destination_type = "cloud-watch-logs" 86 | manage_default_network_acl = true 87 | default_network_acl_ingress = concat(local.nacl_allow_vpc_access_rule, var.default_network_acl_ingress) 88 | manage_default_security_group = true 89 | default_security_group_ingress = [] # Enforcing no rules being present in the default security group. 90 | default_security_group_egress = [] 91 | create_database_nat_gateway_route = false 92 | create_database_subnet_route_table = local.create_database_subnet_route_table 93 | create_flow_log_cloudwatch_iam_role = var.flow_log_enabled 94 | create_flow_log_cloudwatch_log_group = local.create_flow_log_cloudwatch_log_group 95 | flow_log_max_aggregation_interval = var.flow_log_max_aggregation_interval 96 | flow_log_cloudwatch_log_group_skip_destroy = var.flow_log_cloudwatch_log_group_skip_destroy 97 | flow_log_cloudwatch_log_group_retention_in_days = var.flow_log_cloudwatch_log_group_retention_in_days 98 | flow_log_cloudwatch_log_group_kms_key_id = var.flow_log_cloudwatch_log_group_kms_key_arn 99 | enable_ipv6 = local.enable_ipv6 100 | public_subnet_ipv6_native = local.ipv6_only 101 | private_subnet_ipv6_native = local.ipv6_only 102 | database_subnet_ipv6_native = local.ipv6_only 103 | intra_subnet_ipv6_native = local.ipv6_only 104 | #assign_ipv6_address_on_creation = local.assign_ipv6_address_on_creation 105 | public_subnet_assign_ipv6_address_on_creation = local.public_subnet_assign_ipv6_address_on_creation 106 | private_subnet_assign_ipv6_address_on_creation = local.private_subnet_assign_ipv6_address_on_creation 107 | database_subnet_assign_ipv6_address_on_creation = local.database_subnet_assign_ipv6_address_on_creation 108 | intra_subnet_assign_ipv6_address_on_creation = local.intra_subnet_assign_ipv6_address_on_creation 109 | public_subnet_ipv6_prefixes = local.public_subnet_ipv6_prefixes 110 | private_subnet_ipv6_prefixes = local.private_subnet_ipv6_prefixes 111 | database_subnet_ipv6_prefixes = local.database_subnet_ipv6_prefixes 112 | intra_subnet_ipv6_prefixes = local.intra_subnet_ipv6_prefixes 113 | 114 | 115 | # TAGS TO BE ASSOCIATED WITH EACH RESOURCE 116 | 117 | tags = tomap( 118 | { 119 | "Name" = format("%s-%s-vpc", var.environment, var.name) 120 | "Environment" = var.environment 121 | }, 122 | ) 123 | 124 | public_subnet_tags = tomap({ 125 | "Name" = "${var.environment}-${var.name}-public-subnet" 126 | "Subnet-group" = "public" 127 | "kubernetes.io/role/elb" = 1 128 | }) 129 | 130 | public_route_table_tags = tomap({ 131 | "Name" = "${var.environment}-${var.name}-public-route-table" 132 | }) 133 | 134 | private_subnet_tags = tomap({ 135 | "Name" = "${var.environment}-${var.name}-private-subnet" 136 | "Subnet-group" = "private" 137 | "kubernetes.io/role/internal-elb" = 1 138 | }) 139 | 140 | private_subnet_tags_per_az = { for az in var.availability_zones : az => { 141 | "Karpenter" = "${az}" 142 | } } 143 | 144 | private_route_table_tags = tomap({ 145 | "Name" = "${var.environment}-${var.name}-private-route-table" 146 | }) 147 | 148 | database_subnet_tags = tomap({ 149 | "Name" = "${var.environment}-${var.name}-database-subnet" 150 | "Subnet-group" = "database" 151 | }) 152 | 153 | database_route_table_tags = tomap({ 154 | "Name" = "${var.environment}-${var.name}-database-route-table" 155 | }) 156 | 157 | intra_subnet_tags = tomap({ 158 | "Name" = "${var.environment}-${var.name}-intra-subnet" 159 | "Subnet-group" = "intra" 160 | }) 161 | 162 | intra_route_table_tags = tomap({ 163 | "Name" = "${var.environment}-${var.name}-intra-route-table" 164 | }) 165 | 166 | igw_tags = tomap({ 167 | "Name" = "${var.environment}-${var.name}-igw" 168 | }) 169 | 170 | nat_gateway_tags = tomap({ 171 | "Name" = "${var.environment}-${var.name}-nat" 172 | }) 173 | 174 | default_network_acl_name = format("%s-%s-nacl", var.environment, var.name) 175 | default_network_acl_tags = { 176 | "Name" = format("%s-%s-nacl", var.environment, var.name) 177 | "Environment" = var.environment 178 | } 179 | } 180 | 181 | module "vpn_server" { 182 | count = var.vpn_server_enabled && local.is_supported_arch ? 1 : 0 183 | depends_on = [module.vpc] 184 | source = "./modules/vpn" 185 | name = var.name 186 | vpc_id = module.vpc.vpc_id 187 | vpc_cidr = var.vpc_cidr 188 | environment = var.environment 189 | vpn_key_pair = var.vpn_key_pair_name 190 | public_subnet = module.vpc.public_subnets[0] 191 | vpn_server_instance_type = var.vpn_server_instance_type 192 | } 193 | 194 | resource "aws_vpc_ipam" "ipam" { 195 | count = var.ipam_enabled && var.create_ipam_pool ? 1 : 0 196 | operating_regions { 197 | region_name = var.region 198 | } 199 | 200 | 201 | } 202 | 203 | # IPv4 204 | resource "aws_vpc_ipam_pool" "ipam_pool" { 205 | count = var.ipam_enabled && var.create_ipam_pool ? 1 : 0 206 | description = "IPv4 pool" 207 | address_family = "ipv4" 208 | ipam_scope_id = aws_vpc_ipam.ipam[0].private_default_scope_id 209 | locale = var.region 210 | allocation_default_netmask_length = 16 211 | 212 | 213 | } 214 | 215 | resource "aws_vpc_ipam_pool_cidr" "ipam_pool_cidr" { 216 | count = var.ipam_enabled ? 1 : 0 217 | ipam_pool_id = var.create_ipam_pool ? aws_vpc_ipam_pool.ipam_pool[0].id : var.ipam_pool_id 218 | cidr = var.create_ipam_pool ? var.vpc_cidr : var.existing_ipam_managed_cidr 219 | } 220 | 221 | # private links for S3 222 | 223 | data "aws_route_tables" "aws_private_routes" { 224 | count = var.vpc_s3_endpoint_enabled ? 1 : 0 225 | depends_on = [module.vpc] 226 | vpc_id = module.vpc.vpc_id 227 | tags = { 228 | Name = "${var.environment}-${var.name}-private-route-table" 229 | } 230 | } 231 | 232 | resource "aws_vpc_endpoint" "private-s3" { 233 | count = var.vpc_s3_endpoint_enabled ? 1 : 0 234 | depends_on = [data.aws_route_tables.aws_private_routes] 235 | vpc_id = module.vpc.vpc_id 236 | service_name = "com.amazonaws.${var.region}.s3" 237 | route_table_ids = data.aws_route_tables.aws_private_routes[0].ids 238 | vpc_endpoint_type = "Gateway" 239 | policy = < 23 | ## Requirements 24 | 25 | | Name | Version | 26 | |------|---------| 27 | | [terraform](#requirement\_terraform) | >= 1.0 | 28 | | [aws](#requirement\_aws) | >= 4.23 | 29 | 30 | ## Providers 31 | 32 | | Name | Version | 33 | |------|---------| 34 | | [aws.accepter](#provider\_aws.accepter) | >= 4.23 | 35 | | [aws.peer](#provider\_aws.peer) | >= 4.23 | 36 | 37 | ## Modules 38 | 39 | No modules. 40 | 41 | ## Resources 42 | 43 | | Name | Type | 44 | |------|------| 45 | | [aws_route.accepter](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/route) | resource | 46 | | [aws_route.requester](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/route) | resource | 47 | | [aws_vpc_peering_connection.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/vpc_peering_connection) | resource | 48 | | [aws_vpc_peering_connection_accepter.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/vpc_peering_connection_accepter) | resource | 49 | | [aws_vpc_peering_connection_options.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/vpc_peering_connection_options) | resource | 50 | | [aws_route_tables.accepter](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/route_tables) | data source | 51 | | [aws_route_tables.requester](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/route_tables) | data source | 52 | | [aws_vpc.accepter](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/vpc) | data source | 53 | | [aws_vpc.requester](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/vpc) | data source | 54 | 55 | ## Inputs 56 | 57 | | Name | Description | Type | Default | Required | 58 | |------|-------------|------|---------|:--------:| 59 | | [accepter\_name](#input\_accepter\_name) | Assign a meaningful name or label to the VPC Accepter. This aids in distinguishing the Accepter VPC within the VPC peering connection. | `string` | `""` | no | 60 | | [accepter\_vpc\_id](#input\_accepter\_vpc\_id) | Specify the unique identifier of the VPC that will act as the Acceptor in the VPC peering connection. | `string` | `""` | no | 61 | | [accepter\_vpc\_region](#input\_accepter\_vpc\_region) | Provide the AWS region where the Acceptor VPC is located. This helps in identifying the correct region for establishing the VPC peering connection. | `string` | `""` | no | 62 | | [peering\_enabled](#input\_peering\_enabled) | Set this variable to true if you want to create the VPC peering connection. Set it to false if you want to skip the creation process. | `bool` | `true` | no | 63 | | [requester\_name](#input\_requester\_name) | Provide a descriptive name or label for the VPC Requester. This helps identify and differentiate the Requester VPC in the peering connection. | `string` | `""` | no | 64 | | [requester\_vpc\_id](#input\_requester\_vpc\_id) | Specify the unique identifier of the VPC that will act as the Reqester in the VPC peering connection. | `string` | `""` | no | 65 | | [requester\_vpc\_region](#input\_requester\_vpc\_region) | Specify the AWS region where the Requester VPC resides. It ensures the correct region is used for setting up the VPC peering. | `string` | `""` | no | 66 | 67 | ## Outputs 68 | 69 | | Name | Description | 70 | |------|-------------| 71 | | [vpc\_peering\_accept\_status](#output\_vpc\_peering\_accept\_status) | Status for the connection | 72 | | [vpc\_peering\_connection\_id](#output\_vpc\_peering\_connection\_id) | Peering connection ID | 73 | 74 | -------------------------------------------------------------------------------- /modules/vpc_peering/main.tf: -------------------------------------------------------------------------------- 1 | locals { 2 | requester_route_tables_ids = data.aws_route_tables.requester.ids 3 | accepter_route_tables_ids = data.aws_route_tables.accepter.ids 4 | } 5 | 6 | provider "aws" { 7 | alias = "peer" 8 | region = var.requester_vpc_region 9 | } 10 | 11 | provider "aws" { 12 | alias = "accepter" 13 | region = var.accepter_vpc_region 14 | } 15 | 16 | data "aws_vpc" "accepter" { 17 | id = var.accepter_vpc_id 18 | provider = aws.accepter 19 | } 20 | 21 | data "aws_route_tables" "accepter" { 22 | vpc_id = var.accepter_vpc_id 23 | provider = aws.accepter 24 | } 25 | 26 | data "aws_vpc" "requester" { 27 | id = var.requester_vpc_id 28 | provider = aws.peer 29 | } 30 | 31 | data "aws_route_tables" "requester" { 32 | vpc_id = var.requester_vpc_id 33 | provider = aws.peer 34 | } 35 | 36 | resource "aws_vpc_peering_connection" "this" { 37 | count = var.peering_enabled ? 1 : 0 38 | vpc_id = var.requester_vpc_id 39 | peer_vpc_id = var.accepter_vpc_id 40 | peer_region = var.accepter_vpc_region 41 | auto_accept = false 42 | provider = aws.peer 43 | tags = { 44 | Name = format("%s-%s-%s", var.requester_name, "to", var.accepter_name) 45 | } 46 | } 47 | 48 | resource "aws_vpc_peering_connection_accepter" "this" { 49 | count = var.peering_enabled ? 1 : 0 50 | depends_on = [aws_vpc_peering_connection.this] 51 | provider = aws.accepter 52 | vpc_peering_connection_id = aws_vpc_peering_connection.this[0].id 53 | auto_accept = true 54 | tags = { 55 | Name = format("%s-%s-%s", var.requester_name, "to", var.accepter_name) 56 | } 57 | } 58 | 59 | resource "aws_vpc_peering_connection_options" "this" { 60 | count = var.peering_enabled ? 1 : 0 61 | depends_on = [aws_vpc_peering_connection_accepter.this] 62 | vpc_peering_connection_id = aws_vpc_peering_connection.this[0].id 63 | accepter { 64 | allow_remote_vpc_dns_resolution = true 65 | } 66 | provider = aws.accepter 67 | } 68 | 69 | 70 | #### route tables #### 71 | 72 | resource "aws_route" "requester" { 73 | count = var.peering_enabled ? length(local.requester_route_tables_ids) : 0 74 | route_table_id = local.requester_route_tables_ids[count.index] 75 | destination_cidr_block = data.aws_vpc.accepter.cidr_block 76 | vpc_peering_connection_id = var.peering_enabled ? aws_vpc_peering_connection.this[0].id : null 77 | provider = aws.peer 78 | } 79 | 80 | resource "aws_route" "accepter" { 81 | count = var.peering_enabled ? length(local.accepter_route_tables_ids) : 0 82 | route_table_id = local.accepter_route_tables_ids[count.index] 83 | destination_cidr_block = data.aws_vpc.requester.cidr_block 84 | vpc_peering_connection_id = var.peering_enabled ? aws_vpc_peering_connection.this[0].id : null 85 | provider = aws.accepter 86 | } 87 | -------------------------------------------------------------------------------- /modules/vpc_peering/outputs.tf: -------------------------------------------------------------------------------- 1 | output "vpc_peering_connection_id" { 2 | description = "Peering connection ID" 3 | value = var.peering_enabled ? aws_vpc_peering_connection.this[0].id : null 4 | } 5 | 6 | output "vpc_peering_accept_status" { 7 | description = "Status for the connection" 8 | value = var.peering_enabled ? aws_vpc_peering_connection_accepter.this[0].accept_status : null 9 | } 10 | -------------------------------------------------------------------------------- /modules/vpc_peering/variables.tf: -------------------------------------------------------------------------------- 1 | variable "accepter_vpc_id" { 2 | type = string 3 | description = "Specify the unique identifier of the VPC that will act as the Acceptor in the VPC peering connection." 4 | default = "" 5 | } 6 | 7 | variable "accepter_vpc_region" { 8 | type = string 9 | description = "Provide the AWS region where the Acceptor VPC is located. This helps in identifying the correct region for establishing the VPC peering connection." 10 | default = "" 11 | } 12 | 13 | variable "requester_vpc_id" { 14 | type = string 15 | description = "Specify the unique identifier of the VPC that will act as the Reqester in the VPC peering connection." 16 | default = "" 17 | } 18 | 19 | variable "requester_vpc_region" { 20 | type = string 21 | description = "Specify the AWS region where the Requester VPC resides. It ensures the correct region is used for setting up the VPC peering." 22 | default = "" 23 | } 24 | 25 | variable "requester_name" { 26 | type = string 27 | description = "Provide a descriptive name or label for the VPC Requester. This helps identify and differentiate the Requester VPC in the peering connection." 28 | default = "" 29 | } 30 | 31 | variable "accepter_name" { 32 | type = string 33 | description = "Assign a meaningful name or label to the VPC Accepter. This aids in distinguishing the Accepter VPC within the VPC peering connection." 34 | default = "" 35 | } 36 | 37 | variable "peering_enabled" { 38 | type = bool 39 | description = "Set this variable to true if you want to create the VPC peering connection. Set it to false if you want to skip the creation process." 40 | default = true 41 | } 42 | -------------------------------------------------------------------------------- /modules/vpc_peering/versions.tf: -------------------------------------------------------------------------------- 1 | terraform { 2 | required_version = ">= 1.0" 3 | required_providers { 4 | aws = { 5 | source = "hashicorp/aws" 6 | version = ">= 4.23" 7 | } 8 | } 9 | } 10 | -------------------------------------------------------------------------------- /modules/vpn/README.md: -------------------------------------------------------------------------------- 1 | # VPN 2 | 3 | Terraform module to create Pritunl VPN server on AWS. 4 | 5 | Pritunl is an VPN software with features including but not limited to: 6 | - Open Source 7 | - Supports multiple protocols 8 | - Supports Single Sign-On 9 | - Highly secure 10 | 11 | Refer [this](https://pritunl.com/) for more information. 12 | 13 | 14 | ## Requirements 15 | 16 | | Name | Version | 17 | |------|---------| 18 | | [terraform](#requirement\_terraform) | >= 1.0 | 19 | | [aws](#requirement\_aws) | >= 4.23 | 20 | | [template](#requirement\_template) | >= 2.2.0 | 21 | | [time](#requirement\_time) | >= 0.9.1 | 22 | 23 | ## Providers 24 | 25 | | Name | Version | 26 | |------|---------| 27 | | [aws](#provider\_aws) | >= 4.23 | 28 | | [null](#provider\_null) | n/a | 29 | | [template](#provider\_template) | >= 2.2.0 | 30 | | [time](#provider\_time) | >= 0.9.1 | 31 | 32 | ## Modules 33 | 34 | | Name | Source | Version | 35 | |------|--------|---------| 36 | | [security\_group\_vpn](#module\_security\_group\_vpn) | terraform-aws-modules/security-group/aws | 4.13.0 | 37 | | [vpn\_server](#module\_vpn\_server) | terraform-aws-modules/ec2-instance/aws | 4.1.4 | 38 | 39 | ## Resources 40 | 41 | | Name | Type | 42 | |------|------| 43 | | [aws_eip.vpn](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/eip) | resource | 44 | | [aws_iam_instance_profile.vpn_SSM](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_instance_profile) | resource | 45 | | [aws_iam_role.vpn_role](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_role) | resource | 46 | | [aws_iam_role_policy_attachment.SSMManagedInstanceCore_attachment](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_role_policy_attachment) | resource | 47 | | [aws_iam_role_policy_attachment.SecretsManagerReadWrite_attachment](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_role_policy_attachment) | resource | 48 | | [aws_ssm_association.ssm_association](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/ssm_association) | resource | 49 | | [aws_ssm_document.ssm_document](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/ssm_document) | resource | 50 | | [null_resource.delete_secret](https://registry.terraform.io/providers/hashicorp/null/latest/docs/resources/resource) | resource | 51 | | [time_sleep.wait_3_min](https://registry.terraform.io/providers/hashicorp/time/latest/docs/resources/sleep) | resource | 52 | | [aws_ami.ubuntu_20_ami](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/ami) | data source | 53 | | [aws_iam_policy.SSMManagedInstanceCore](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/iam_policy) | data source | 54 | | [aws_iam_policy.SecretsManagerReadWrite](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/iam_policy) | data source | 55 | | [aws_region.current](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/region) | data source | 56 | | [template_file.pritunl](https://registry.terraform.io/providers/hashicorp/template/latest/docs/data-sources/file) | data source | 57 | 58 | ## Inputs 59 | 60 | | Name | Description | Type | Default | Required | 61 | |------|-------------|------|---------|:--------:| 62 | | [environment](#input\_environment) | Specify the environment indentifier for the VPC | `string` | `""` | no | 63 | | [name](#input\_name) | Specify the name of the VPC | `string` | `""` | no | 64 | | [public\_subnet](#input\_public\_subnet) | The VPC Subnet ID to launch in | `string` | `""` | no | 65 | | [vpc\_cidr](#input\_vpc\_cidr) | The CIDR block of the Default VPC | `string` | `"10.0.0.0/16"` | no | 66 | | [vpc\_id](#input\_vpc\_id) | The ID of the VPC | `string` | `""` | no | 67 | | [vpn\_key\_pair](#input\_vpn\_key\_pair) | Specify the name of AWS Keypair to be used for VPN Server | `string` | `""` | no | 68 | | [vpn\_server\_instance\_type](#input\_vpn\_server\_instance\_type) | EC2 instance Type for VPN Server, Only amd64 based instance type are supported eg. t2.medium, t3.micro, c5a.large etc. | `string` | `"t3a.small"` | no | 69 | 70 | ## Outputs 71 | 72 | | Name | Description | 73 | |------|-------------| 74 | | [vpc\_id](#output\_vpc\_id) | The ID of the VPC | 75 | | [vpn\_host\_public\_ip](#output\_vpn\_host\_public\_ip) | IP Address of VPN Server | 76 | | [vpn\_security\_group](#output\_vpn\_security\_group) | Security Group ID of VPN Server | 77 | 78 | -------------------------------------------------------------------------------- /modules/vpn/main.tf: -------------------------------------------------------------------------------- 1 | resource "aws_eip" "vpn" { 2 | domain = "vpc" 3 | instance = module.vpn_server.id 4 | } 5 | 6 | module "security_group_vpn" { 7 | source = "terraform-aws-modules/security-group/aws" 8 | version = "4.13.0" 9 | create = true 10 | name = format("%s-%s-%s", var.environment, var.name, "vpn-sg") 11 | description = "vpn server security group" 12 | vpc_id = var.vpc_id 13 | 14 | ingress_with_cidr_blocks = [ 15 | { 16 | from_port = 443 17 | to_port = 443 18 | protocol = "tcp" 19 | description = "Public HTTPS access" 20 | cidr_blocks = "0.0.0.0/0" 21 | }, 22 | { 23 | from_port = 80 24 | to_port = 80 25 | protocol = "tcp" 26 | description = "Public HTTP access" 27 | cidr_blocks = "0.0.0.0/0" 28 | }, 29 | { 30 | from_port = 10150 31 | to_port = 10150 32 | protocol = "udp" 33 | description = "VPN Server Port" 34 | cidr_blocks = "0.0.0.0/0" 35 | }, 36 | { 37 | from_port = 22 38 | to_port = 22 39 | protocol = "tcp" 40 | description = "SSH Port" 41 | cidr_blocks = var.vpc_cidr 42 | } 43 | ] 44 | 45 | egress_with_cidr_blocks = [ 46 | { 47 | from_port = 0 48 | to_port = 0 49 | protocol = "-1" 50 | cidr_blocks = "0.0.0.0/0" 51 | }, 52 | ] 53 | 54 | tags = tomap( 55 | { 56 | "Name" = format("%s-%s-%s", var.environment, var.name, "vpn-sg") 57 | "Environment" = var.environment 58 | }, 59 | ) 60 | } 61 | 62 | data "aws_ami" "ubuntu_20_ami" { 63 | owners = ["099720109477"] 64 | most_recent = true 65 | 66 | filter { 67 | name = "name" 68 | values = ["ubuntu/images/hvm-ssd/ubuntu-*-22.04-amd64-server-*"] 69 | } 70 | 71 | filter { 72 | name = "virtualization-type" 73 | values = ["hvm"] 74 | } 75 | } 76 | 77 | 78 | data "template_file" "pritunl" { 79 | template = file("${path.module}/scripts/pritunl-vpn.sh") 80 | } 81 | 82 | data "aws_region" "current" {} 83 | 84 | module "vpn_server" { 85 | source = "terraform-aws-modules/ec2-instance/aws" 86 | version = "4.1.4" 87 | name = format("%s-%s-%s", var.environment, var.name, "vpn-ec2-instance") 88 | ami = data.aws_ami.ubuntu_20_ami.image_id 89 | instance_type = var.vpn_server_instance_type 90 | subnet_id = var.public_subnet 91 | key_name = var.vpn_key_pair 92 | associate_public_ip_address = true 93 | vpc_security_group_ids = [module.security_group_vpn.security_group_id] 94 | user_data = join("", data.template_file.pritunl[*].rendered) 95 | iam_instance_profile = join("", aws_iam_instance_profile.vpn_SSM[*].name) 96 | 97 | 98 | root_block_device = [ 99 | { 100 | encrypted = true 101 | volume_type = "gp2" 102 | volume_size = 20 103 | } 104 | ] 105 | 106 | tags = tomap( 107 | { 108 | "Name" = format("%s-%s-%s", var.environment, var.name, "vpn-ec2-instance") 109 | "Environment" = var.environment 110 | }, 111 | ) 112 | } 113 | 114 | resource "aws_iam_role" "vpn_role" { 115 | name = format("%s-%s-%s", var.environment, var.name, "vpnEC2InstanceRole") 116 | assume_role_policy = < 0 ? module.vpc.public_subnets : null 14 | } 15 | 16 | output "private_subnets" { 17 | description = "List of IDs of private subnets" 18 | value = length(module.vpc.private_subnets) > 0 ? module.vpc.private_subnets : null 19 | } 20 | 21 | output "database_subnets" { 22 | description = "List of IDs of database subnets" 23 | value = length(module.vpc.database_subnets) > 0 ? module.vpc.database_subnets : null 24 | } 25 | 26 | output "intra_subnets" { 27 | description = "List of IDs of Intra subnets" 28 | value = length(module.vpc.intra_subnets) > 0 ? module.vpc.intra_subnets : null 29 | 30 | } 31 | 32 | output "vpn_host_public_ip" { 33 | description = "IP Address of VPN Server" 34 | value = var.vpn_server_enabled ? module.vpn_server[0].vpn_host_public_ip : null 35 | } 36 | 37 | output "vpn_security_group" { 38 | description = "Security Group ID of VPN Server" 39 | value = var.vpn_server_enabled ? module.vpn_server[0].vpn_security_group : null 40 | } 41 | 42 | output "vpc_ipv6_association_id" { 43 | description = "The association ID for the IPv6 CIDR block" 44 | value = module.vpc.vpc_ipv6_association_id 45 | } 46 | 47 | output "ipv6_vpc_cidr_block" { 48 | description = "The IPv6 CIDR block" 49 | value = module.vpc.vpc_ipv6_cidr_block 50 | } 51 | 52 | output "vpc_secondary_cidr_blocks" { 53 | description = "List of secondary CIDR blocks of the VPC" 54 | value = module.vpc.vpc_secondary_cidr_blocks 55 | } 56 | -------------------------------------------------------------------------------- /tfsec.yaml: -------------------------------------------------------------------------------- 1 | exclude: 2 | - aws-iam-no-policy-wildcards # Wildcards required in addon IAM policies 3 | - aws-vpc-no-excessive-port-access # VPC settings left up to user implementation for recommended practices 4 | - aws-vpc-no-public-egress-sgr # Added in v1.22 5 | - aws-ec2-no-public-egress-sgr # Added in v1.22 6 | - aws-ec2-no-public-ingress-sgr 7 | - aws-ec2-enforce-http-token-imds 8 | - aws-ec2-no-public-ip-subnet # VPN IP 9 | - aws-ec2-require-vpc-flow-logs-for-all-vpcs # disabled flow logs by default 10 | -------------------------------------------------------------------------------- /variables.tf: -------------------------------------------------------------------------------- 1 | variable "environment" { 2 | description = "Specify the environment indentifier for the VPC" 3 | type = string 4 | default = "" 5 | } 6 | 7 | variable "name" { 8 | description = "Specify the name of the VPC" 9 | type = string 10 | default = "" 11 | 12 | } 13 | 14 | variable "vpc_cidr" { 15 | description = "The CIDR block of the VPC" 16 | default = "10.0.0.0/16" 17 | type = string 18 | } 19 | 20 | variable "availability_zones" { 21 | description = "Number of Availability Zone to be used by VPC Subnets" 22 | default = [] 23 | type = list(any) 24 | } 25 | 26 | variable "public_subnet_enabled" { 27 | description = "Set true to enable public subnets" 28 | default = false 29 | type = bool 30 | } 31 | 32 | variable "public_subnet_cidrs" { 33 | description = "A list of public subnets CIDR to be created inside the VPC" 34 | default = [] 35 | type = list(any) 36 | } 37 | 38 | variable "private_subnet_enabled" { 39 | description = "Set true to enable private subnets" 40 | default = false 41 | type = bool 42 | } 43 | 44 | variable "private_subnet_cidrs" { 45 | description = "A list of private subnets CIDR to be created inside the VPC" 46 | default = [] 47 | type = list(any) 48 | } 49 | 50 | variable "database_subnet_enabled" { 51 | description = "Set true to enable database subnets" 52 | default = false 53 | type = bool 54 | } 55 | 56 | variable "database_subnet_cidrs" { 57 | description = "Database Tier subnet CIDRs to be created" 58 | default = [] 59 | type = list(any) 60 | } 61 | 62 | variable "intra_subnet_enabled" { 63 | description = "Set true to enable intra subnets" 64 | default = false 65 | type = bool 66 | } 67 | 68 | variable "intra_subnet_cidrs" { 69 | description = "A list of intra subnets CIDR to be created" 70 | default = [] 71 | type = list(any) 72 | } 73 | 74 | variable "vpn_server_enabled" { 75 | description = "Set to true if you want to deploy VPN Gateway resource and attach it to the VPC" 76 | default = false 77 | type = bool 78 | } 79 | 80 | variable "vpn_server_instance_type" { 81 | description = "EC2 instance Type for VPN Server, Only amd64 based instance type are supported eg. t2.medium, t3.micro, c5a.large etc. " 82 | default = "t3a.small" 83 | type = string 84 | } 85 | 86 | variable "vpn_key_pair_name" { 87 | description = "Specify the name of AWS Keypair to be used for VPN Server" 88 | default = "" 89 | type = string 90 | } 91 | 92 | variable "default_network_acl_ingress" { 93 | description = "List of maps of ingress rules to set on the Default Network ACL" 94 | type = list(map(string)) 95 | 96 | default = [ 97 | { 98 | rule_no = 98 99 | action = "deny" 100 | from_port = 22 101 | to_port = 22 102 | protocol = "tcp" 103 | cidr_block = "0.0.0.0/0" 104 | }, 105 | { 106 | rule_no = 99 107 | action = "deny" 108 | from_port = 3389 109 | to_port = 3389 110 | protocol = "tcp" 111 | cidr_block = "0.0.0.0/0" 112 | }, 113 | { 114 | rule_no = 100 115 | action = "allow" 116 | from_port = 0 117 | to_port = 0 118 | protocol = "-1" 119 | cidr_block = "0.0.0.0/0" 120 | }, 121 | { 122 | rule_no = 101 123 | action = "allow" 124 | from_port = 0 125 | to_port = 0 126 | protocol = "-1" 127 | ipv6_cidr_block = "::/0" 128 | }, 129 | ] 130 | } 131 | 132 | variable "one_nat_gateway_per_az" { 133 | description = "Set to true if a NAT Gateway is required per availability zone for Private Subnet Tier" 134 | default = false 135 | type = bool 136 | } 137 | 138 | variable "flow_log_enabled" { 139 | description = "Whether or not to enable VPC Flow Logs" 140 | type = bool 141 | default = false 142 | } 143 | 144 | variable "flow_log_cloudwatch_log_group_retention_in_days" { 145 | description = "Specifies the number of days you want to retain log events in the specified log group for VPC flow logs." 146 | type = number 147 | default = null 148 | } 149 | 150 | variable "flow_log_max_aggregation_interval" { 151 | description = "The maximum interval of time during which a flow of packets is captured and aggregated into a flow log record. Valid Values: `60` seconds or `600` seconds." 152 | type = number 153 | default = 60 154 | } 155 | 156 | variable "auto_assign_public_ip" { 157 | description = "Specify true to indicate that instances launched into the subnet should be assigned a public IP address." 158 | type = bool 159 | default = false 160 | } 161 | 162 | 163 | variable "ipv6_enabled" { 164 | description = "Requests an Amazon-provided IPv6 CIDR block with a /56 prefix length for the VPC. You cannot specify the range of IP addresses, or the size of the CIDR block." 165 | type = bool 166 | default = false 167 | } 168 | 169 | variable "private_subnet_assign_ipv6_address_on_creation" { 170 | description = "Assign IPv6 address on private subnet, must be disabled to change IPv6 CIDRs. This is the IPv6 equivalent of map_public_ip_on_launch" 171 | type = bool 172 | default = null 173 | } 174 | 175 | variable "public_subnet_assign_ipv6_address_on_creation" { 176 | description = "Assign IPv6 address on public subnet, must be disabled to change IPv6 CIDRs. This is the IPv6 equivalent of map_public_ip_on_launch" 177 | type = bool 178 | default = null 179 | } 180 | 181 | 182 | variable "database_subnet_assign_ipv6_address_on_creation" { 183 | description = "Assign IPv6 address on database subnet, must be disabled to change IPv6 CIDRs. This is the IPv6 equivalent of map_public_ip_on_launch" 184 | type = bool 185 | default = null 186 | } 187 | 188 | 189 | variable "intra_subnet_assign_ipv6_address_on_creation" { 190 | description = "Assign IPv6 address on intra subnet, must be disabled to change IPv6 CIDRs. This is the IPv6 equivalent of map_public_ip_on_launch" 191 | type = bool 192 | default = null 193 | } 194 | 195 | variable "flow_log_cloudwatch_log_group_kms_key_arn" { 196 | description = "The ARN of the KMS Key to use when encrypting log data for VPC flow logs" 197 | type = string 198 | default = null 199 | } 200 | 201 | variable "ipv6_only" { 202 | description = "Enable it for deploying native IPv6 network" 203 | type = bool 204 | default = false 205 | } 206 | 207 | variable "secondary_cidr_blocks" { 208 | description = "List of the secondary CIDR blocks which can be at most 5" 209 | type = list(string) 210 | default = [] 211 | } 212 | 213 | variable "secondry_cidr_enabled" { 214 | description = "Whether enable secondary CIDR with VPC" 215 | default = false 216 | type = bool 217 | } 218 | 219 | variable "enable_database_subnet_group" { 220 | description = "Whether create database subnet groups" 221 | default = false 222 | type = bool 223 | } 224 | 225 | # variable "tags" { 226 | # description = "The Tags attached with the resources" 227 | # default = {} 228 | # type = any 229 | # } 230 | 231 | variable "ipam_pool_id" { 232 | description = "The existing IPAM pool id if any" 233 | default = null 234 | type = string 235 | } 236 | 237 | variable "ipam_enabled" { 238 | description = "Whether enable IPAM managed VPC or not" 239 | default = false 240 | type = bool 241 | } 242 | 243 | variable "create_ipam_pool" { 244 | description = "Whether create new IPAM pool" 245 | default = true 246 | type = bool 247 | } 248 | 249 | variable "ipv4_netmask_length" { 250 | description = "The netmask length for IPAM managed VPC" 251 | default = 16 252 | type = number 253 | } 254 | 255 | variable "region" { 256 | description = "The AWS region name" 257 | type = string 258 | default = null 259 | } 260 | 261 | variable "existing_ipam_managed_cidr" { 262 | description = "The existing IPAM pool CIDR" 263 | default = "" 264 | type = string 265 | } 266 | 267 | variable "flow_log_cloudwatch_log_group_skip_destroy" { 268 | description = " Set to true if you do not wish the log group (and any logs it may contain) to be deleted at destroy time, and instead just remove the log group from the Terraform state" 269 | type = bool 270 | default = false 271 | } 272 | 273 | variable "vpc_s3_endpoint_enabled" { 274 | description = "Set to true if you want to enable vpc S3 endpoints" 275 | type = bool 276 | default = false 277 | } 278 | 279 | variable "vpc_ecr_endpoint_enabled" { 280 | description = "Set to true if you want to enable vpc ecr endpoints" 281 | type = bool 282 | default = false 283 | } 284 | -------------------------------------------------------------------------------- /versions.tf: -------------------------------------------------------------------------------- 1 | terraform { 2 | required_version = ">= 1.0" 3 | required_providers { 4 | aws = { 5 | source = "hashicorp/aws" 6 | version = ">= 4.23" 7 | } 8 | } 9 | } 10 | --------------------------------------------------------------------------------