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AWS VPC Terraform module

Terraform module which creates VPC resources on AWS.

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Usage

module "vpc" {
  source = "terraform-aws-modules/vpc/aws"

  name = "my-vpc"
  cidr = "10.0.0.0/16"

  azs             = ["eu-west-1a", "eu-west-1b", "eu-west-1c"]
  private_subnets = ["10.0.1.0/24", "10.0.2.0/24", "10.0.3.0/24"]
  public_subnets  = ["10.0.101.0/24", "10.0.102.0/24", "10.0.103.0/24"]

  enable_nat_gateway = true
  enable_vpn_gateway = true

  tags = {
    Terraform = "true"
    Environment = "dev"
  }
}

External NAT Gateway IPs

By default this module will provision new Elastic IPs for the VPC's NAT Gateways. This means that when creating a new VPC, new IPs are allocated, and when that VPC is destroyed those IPs are released. Sometimes it is handy to keep the same IPs even after the VPC is destroyed and re-created. To that end, it is possible to assign existing IPs to the NAT Gateways. This prevents the destruction of the VPC from releasing those IPs, while making it possible that a re-created VPC uses the same IPs.

To achieve this, allocate the IPs outside the VPC module declaration.

resource "aws_eip" "nat" {
  count = 3

  vpc = true
}

Then, pass the allocated IPs as a parameter to this module.

module "vpc" {
  source = "terraform-aws-modules/vpc/aws"

  # The rest of arguments are omitted for brevity

  enable_nat_gateway  = true
  single_nat_gateway  = false
  reuse_nat_ips       = true                    # <= Skip creation of EIPs for the NAT Gateways
  external_nat_ip_ids = "${aws_eip.nat.*.id}"   # <= IPs specified here as input to the module
}

Note that in the example we allocate 3 IPs because we will be provisioning 3 NAT Gateways (due to single_nat_gateway = false and having 3 subnets). If, on the other hand, single_nat_gateway = true, then aws_eip.nat would only need to allocate 1 IP. Passing the IPs into the module is done by setting two variables reuse_nat_ips = true and external_nat_ip_ids = "${aws_eip.nat.*.id}".

NAT Gateway Scenarios

This module supports three scenarios for creating NAT gateways. Each will be explained in further detail in the corresponding sections.

  • One NAT Gateway per subnet (default behavior)
    • enable_nat_gateway = true
    • single_nat_gateway = false
    • one_nat_gateway_per_az = false
  • Single NAT Gateway
    • enable_nat_gateway = true
    • single_nat_gateway = true
    • one_nat_gateway_per_az = false
  • One NAT Gateway per availability zone
    • enable_nat_gateway = true
    • single_nat_gateway = false
    • one_nat_gateway_per_az = true

If both single_nat_gateway and one_nat_gateway_per_az are set to true, then single_nat_gateway takes precedence.

One NAT Gateway per subnet (default)

By default, the module will determine the number of NAT Gateways to create based on the max() of the private subnet lists (database_subnets, elasticache_subnets, private_subnets, and redshift_subnets). The module does not take into account the number of intra_subnets, since the latter are designed to have no Internet access via NAT Gateway. For example, if your configuration looks like the following:

database_subnets    = ["10.0.21.0/24", "10.0.22.0/24"]
elasticache_subnets = ["10.0.31.0/24", "10.0.32.0/24"]
private_subnets     = ["10.0.1.0/24", "10.0.2.0/24", "10.0.3.0/24", "10.0.4.0/24", "10.0.5.0/24"]
redshift_subnets    = ["10.0.41.0/24", "10.0.42.0/24"]
intra_subnets       = ["10.0.51.0/24", "10.0.52.0/24", "10.0.53.0/24"]

Then 5 NAT Gateways will be created since 5 private subnet CIDR blocks were specified.

Single NAT Gateway

If single_nat_gateway = true, then all private subnets will route their Internet traffic through this single NAT gateway. The NAT gateway will be placed in the first public subnet in your public_subnets block.

One NAT Gateway per availability zone

If one_nat_gateway_per_az = true and single_nat_gateway = false, then the module will place one NAT gateway in each availability zone you specify in var.azs. There are some requirements around using this feature flag:

  • The variable var.azs must be specified.
  • The number of public subnet CIDR blocks specified in public_subnets must be greater than or equal to the number of availability zones specified in var.azs. This is to ensure that each NAT Gateway has a dedicated public subnet to deploy to.

"private" versus "intra" subnets

By default, if NAT Gateways are enabled, private subnets will be configured with routes for Internet traffic that point at the NAT Gateways configured by use of the above options.

If you need private subnets that should have no Internet routing (in the sense of RFC1918 Category 1 subnets), intra_subnets should be specified. An example use case is configuration of AWS Lambda functions within a VPC, where AWS Lambda functions only need to pass traffic to internal resources or VPC endpoints for AWS services.

Since AWS Lambda functions allocate Elastic Network Interfaces in proportion to the traffic received (read more), it can be useful to allocate a large private subnet for such allocations, while keeping the traffic they generate entirely internal to the VPC.

You can add additional tags with intra_subnet_tags as with other subnet types.

VPC Flow Log

VPC Flow Log allows to capture IP traffic for a specific network interface (ENI), subnet, or entire VPC. This module supports enabling or disabling VPC Flow Logs for entire VPC. If you need to have VPC Flow Logs for subnet or ENI, you have to manage it outside of this module with aws_flow_log resource.

VPC Flow Log Examples

By default file_format is plain-text. You can also specify parquet to have logs written in Apache Parquet format.

flow_log_file_format = "parquet"

Permissions Boundary

If your organization requires a permissions boundary to be attached to the VPC Flow Log role, make sure that you specify an ARN of the permissions boundary policy as vpc_flow_log_permissions_boundary argument. Read more about required IAM policy for publishing flow logs.

Conditional creation

Prior to Terraform 0.13, you were unable to specify count in a module block. If you wish to toggle the creation of the module's resources in an older (pre 0.13) version of Terraform, you can use the create_vpc argument.

# This VPC will not be created
module "vpc" {
  source = "terraform-aws-modules/vpc/aws"

  create_vpc = false
  # ... omitted
}

Public access to RDS instances

Sometimes it is handy to have public access to RDS instances (it is not recommended for production) by specifying these arguments:

  create_database_subnet_group           = true
  create_database_subnet_route_table     = true
  create_database_internet_gateway_route = true

  enable_dns_hostnames = true
  enable_dns_support   = true

Network Access Control Lists (ACL or NACL)

This module can manage network ACL and rules. Once VPC is created, AWS creates the default network ACL, which can be controlled using this module (manage_default_network_acl = true).

Also, each type of subnet may have its own network ACL with custom rules per subnet. Eg, set public_dedicated_network_acl = true to use dedicated network ACL for the public subnets; set values of public_inbound_acl_rules and public_outbound_acl_rules to specify all the NACL rules you need to have on public subnets (see variables.tf for default values and structures).

By default, all subnets are associated with the default network ACL.

Public access to Redshift cluster

Sometimes it is handy to have public access to Redshift clusters (for example if you need to access it by Kinesis - VPC endpoint for Kinesis is not yet supported by Redshift) by specifying these arguments:

  enable_public_redshift = true  # <= By default Redshift subnets will be associated with the private route table

Transit Gateway (TGW) integration

It is possible to integrate this VPC module with terraform-aws-transit-gateway module which handles the creation of TGW resources and VPC attachments. See complete example there.

VPC CIDR from AWS IP Address Manager (IPAM)

It is possible to have your VPC CIDR assigned from an AWS IPAM Pool. However, In order to build subnets within this module Terraform must know subnet CIDRs to properly plan the amount of resources to build. Since CIDR is derived by IPAM by calling CreateVpc this is not possible within a module unless cidr is known ahead of time. You can get around this by "previewing" the CIDR and then using that as the subnet values.

Note: Due to race conditions with terraform plan, it is not possible to use ipv4_netmask_length or a pools allocation_default_netmask_length within this module. You must explicitly set the CIDRs for a pool to use.

# Find the pool RAM shared to your account
# Info on RAM sharing pools: https://docs.aws.amazon.com/vpc/latest/ipam/share-pool-ipam.html
data "aws_vpc_ipam_pool" "ipv4_example" {
  filter {
    name   = "description"
    values = ["*mypool*"]
  }

  filter {
    name   = "address-family"
    values = ["ipv4"]
  }
}

# Preview next CIDR from pool
data "aws_vpc_ipam_preview_next_cidr" "previewed_cidr" {
  ipam_pool_id   = data.aws_vpc_ipam_pool.ipv4_example.id
  netmask_length = 24
}

data "aws_region" "current" {}

# Calculate subnet cidrs from previewed IPAM CIDR
locals {
  partition       = cidrsubnets(data.aws_vpc_ipam_preview_next_cidr.previewed_cidr.cidr, 2, 2)
  private_subnets = cidrsubnets(local.partition[0], 2, 2)
  public_subnets  = cidrsubnets(local.partition[1], 2, 2)
  azs             = formatlist("${data.aws_region.current.name}%s", ["a", "b"])
}

module "vpc_cidr_from_ipam" {
  source            = "terraform-aws-modules/vpc/aws"
  name              = "vpc-cidr-from-ipam"
  ipv4_ipam_pool_id = data.aws_vpc_ipam_pool.ipv4_example.id
  azs               = local.azs
  cidr              = data.aws_vpc_ipam_preview_next_cidr.previewed_cidr.cidr
  private_subnets   = local.private_subnets
  public_subnets    = local.public_subnets
}

Examples

Contributing

Report issues/questions/feature requests on in the issues section.

Full contributing guidelines are covered here.

Requirements

Name Version
terraform >= 1.0
aws >= 5.46

Providers

Name Version
aws >= 5.46

Modules

No modules.

Resources

Name Type
aws_cloudwatch_log_group.flow_log resource
aws_customer_gateway.this resource
aws_db_subnet_group.database resource
aws_default_network_acl.this resource
aws_default_route_table.default resource
aws_default_security_group.this resource
aws_default_vpc.this resource
aws_egress_only_internet_gateway.this resource
aws_eip.nat resource
aws_elasticache_subnet_group.elasticache resource
aws_flow_log.this resource
aws_iam_policy.vpc_flow_log_cloudwatch resource
aws_iam_role.vpc_flow_log_cloudwatch resource
aws_iam_role_policy_attachment.vpc_flow_log_cloudwatch resource
aws_internet_gateway.this resource
aws_nat_gateway.this resource
aws_network_acl.database resource
aws_network_acl.elasticache resource
aws_network_acl.intra resource
aws_network_acl.outpost resource
aws_network_acl.private resource
aws_network_acl.public resource
aws_network_acl.redshift resource
aws_network_acl_rule.database_inbound resource
aws_network_acl_rule.database_outbound resource
aws_network_acl_rule.elasticache_inbound resource
aws_network_acl_rule.elasticache_outbound resource
aws_network_acl_rule.intra_inbound resource
aws_network_acl_rule.intra_outbound resource
aws_network_acl_rule.outpost_inbound resource
aws_network_acl_rule.outpost_outbound resource
aws_network_acl_rule.private_inbound resource
aws_network_acl_rule.private_outbound resource
aws_network_acl_rule.public_inbound resource
aws_network_acl_rule.public_outbound resource
aws_network_acl_rule.redshift_inbound resource
aws_network_acl_rule.redshift_outbound resource
aws_redshift_subnet_group.redshift resource
aws_route.database_dns64_nat_gateway resource
aws_route.database_internet_gateway resource
aws_route.database_ipv4_transit_gateway resource
aws_route.database_ipv6_egress resource
aws_route.database_ipv6_nat_transit_gateway resource
aws_route.database_nat_gateway resource
aws_route.private_dns64_nat_gateway resource
aws_route.private_ipv4_nat_transit_gateway resource
aws_route.private_ipv6_egress resource
aws_route.private_ipv6_nat_transit_gateway resource
aws_route.private_nat_gateway resource
aws_route.public_internet_gateway resource
aws_route.public_internet_gateway_ipv6 resource
aws_route_table.database resource
aws_route_table.elasticache resource
aws_route_table.intra resource
aws_route_table.private resource
aws_route_table.public resource
aws_route_table.redshift resource
aws_route_table_association.database resource
aws_route_table_association.elasticache resource
aws_route_table_association.intra resource
aws_route_table_association.outpost resource
aws_route_table_association.private resource
aws_route_table_association.public resource
aws_route_table_association.redshift resource
aws_route_table_association.redshift_public resource
aws_subnet.database resource
aws_subnet.elasticache resource
aws_subnet.intra resource
aws_subnet.outpost resource
aws_subnet.private resource
aws_subnet.public resource
aws_subnet.redshift resource
aws_vpc.this resource
aws_vpc_dhcp_options.this resource
aws_vpc_dhcp_options_association.this resource
aws_vpc_ipv4_cidr_block_association.this resource
aws_vpn_gateway.this resource
aws_vpn_gateway_attachment.this resource
aws_vpn_gateway_route_propagation.intra resource
aws_vpn_gateway_route_propagation.private resource
aws_vpn_gateway_route_propagation.public resource
aws_caller_identity.current data source
aws_iam_policy_document.flow_log_cloudwatch_assume_role data source
aws_iam_policy_document.vpc_flow_log_cloudwatch data source
aws_partition.current data source
aws_region.current data source

Inputs

Name Description Type Default Required
amazon_side_asn The Autonomous System Number (ASN) for the Amazon side of the gateway. By default the virtual private gateway is created with the current default Amazon ASN string "64512" no
azs A list of availability zones names or ids in the region list(string) [] no
cidr (Optional) The IPv4 CIDR block for the VPC. CIDR can be explicitly set or it can be derived from IPAM using ipv4_netmask_length & ipv4_ipam_pool_id string "10.0.0.0/16" no
create_database_internet_gateway_route Controls if an internet gateway route for public database access should be created bool false no
create_database_nat_gateway_route Controls if a nat gateway route should be created to give internet access to the database subnets bool false no
create_database_subnet_group Controls if database subnet group should be created (n.b. database_subnets must also be set) bool true no
create_database_subnet_route_table Controls if separate route table for database should be created bool false no
create_egress_only_igw Controls if an Egress Only Internet Gateway is created and its related routes bool true no
create_elasticache_subnet_group Controls if elasticache subnet group should be created bool true no
create_elasticache_subnet_route_table Controls if separate route table for elasticache should be created bool false no
create_flow_log_cloudwatch_iam_role Whether to create IAM role for VPC Flow Logs bool false no
create_flow_log_cloudwatch_log_group Whether to create CloudWatch log group for VPC Flow Logs bool false no
create_igw Controls if an Internet Gateway is created for public subnets and the related routes that connect them bool true no
create_multiple_intra_route_tables Indicates whether to create a separate route table for each intra subnet. Default: false bool false no
create_multiple_public_route_tables Indicates whether to create a separate route table for each public subnet. Default: false bool false no
create_redshift_subnet_group Controls if redshift subnet group should be created bool true no
create_redshift_subnet_route_table Controls if separate route table for redshift should be created bool false no
create_vpc Controls if VPC should be created (it affects almost all resources) bool true no
customer_gateway_tags Additional tags for the Customer Gateway map(string) {} no
customer_gateways Maps of Customer Gateway's attributes (BGP ASN and Gateway's Internet-routable external IP address) map(map(any)) {} no
customer_owned_ipv4_pool The customer owned IPv4 address pool. Typically used with the map_customer_owned_ip_on_launch argument. The outpost_arn argument must be specified when configured string null no
database_acl_tags Additional tags for the database subnets network ACL map(string) {} no
database_dedicated_network_acl Whether to use dedicated network ACL (not default) and custom rules for database subnets bool false no
database_inbound_acl_rules Database subnets inbound network ACL rules list(map(string)) 
[
  {
    "cidr_block": "0.0.0.0/0",
    "from_port": 0,
    "protocol": "-1",
    "rule_action": "allow",
    "rule_number": 100,
    "to_port": 0
  }
]
 no
database_outbound_acl_rules Database subnets outbound network ACL rules list(map(string)) 
[
  {
    "cidr_block": "0.0.0.0/0",
    "from_port": 0,
    "protocol": "-1",
    "rule_action": "allow",
    "rule_number": 100,
    "to_port": 0
  }
]
 no
database_route_table_tags Additional tags for the database route tables map(string) {} no
database_subnet_assign_ipv6_address_on_creation Specify true to indicate that network interfaces created in the specified subnet should be assigned an IPv6 address. Default is false bool false no
database_subnet_enable_dns64 Indicates whether DNS queries made to the Amazon-provided DNS Resolver in this subnet should return synthetic IPv6 addresses for IPv4-only destinations. Default: true bool true no
database_subnet_enable_resource_name_dns_a_record_on_launch Indicates whether to respond to DNS queries for instance hostnames with DNS A records. Default: false bool false no
database_subnet_enable_resource_name_dns_aaaa_record_on_launch Indicates whether to respond to DNS queries for instance hostnames with DNS AAAA records. Default: true bool true no
database_subnet_group_name Name of database subnet group string null no
database_subnet_group_tags Additional tags for the database subnet group map(string) {} no
database_subnet_ipv6_native Indicates whether to create an IPv6-only subnet. Default: false bool false no
database_subnet_ipv6_prefixes Assigns IPv6 database subnet id based on the Amazon provided /56 prefix base 10 integer (0-256). Must be of equal length to the corresponding IPv4 subnet list list(string) [] no
database_subnet_names Explicit values to use in the Name tag on database subnets. If empty, Name tags are generated list(string) [] no
database_subnet_private_dns_hostname_type_on_launch The type of hostnames to assign to instances in the subnet at launch. For IPv6-only subnets, an instance DNS name must be based on the instance ID. For dual-stack and IPv4-only subnets, you can specify whether DNS names use the instance IPv4 address or the instance ID. Valid values: ip-name, resource-name string null no
database_subnet_suffix Suffix to append to database subnets name string "db" no
database_subnet_tags Additional tags for the database subnets map(string) {} no
database_subnets A list of database subnets inside the VPC list(string) [] no
default_network_acl_egress List of maps of egress rules to set on the Default Network ACL list(map(string)) 
[
  {
    "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
default_network_acl_ingress List of maps of ingress rules to set on the Default Network ACL list(map(string)) 
[
  {
    "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
default_network_acl_name Name to be used on the Default Network ACL string null no
default_network_acl_tags Additional tags for the Default Network ACL map(string) {} no
default_route_table_name Name to be used on the default route table string null no
default_route_table_propagating_vgws List of virtual gateways for propagation list(string) [] no
default_route_table_routes Configuration block of routes. See https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/default_route_table#route list(map(string)) [] no
default_route_table_tags Additional tags for the default route table map(string) {} no
default_security_group_egress List of maps of egress rules to set on the default security group list(map(string)) [] no
default_security_group_ingress List of maps of ingress rules to set on the default security group list(map(string)) [] no
default_security_group_name Name to be used on the default security group string null no
default_security_group_tags Additional tags for the default security group map(string) {} no
default_vpc_enable_dns_hostnames Should be true to enable DNS hostnames in the Default VPC bool true no
default_vpc_enable_dns_support Should be true to enable DNS support in the Default VPC bool true no
default_vpc_name Name to be used on the Default VPC string null no
default_vpc_tags Additional tags for the Default VPC map(string) {} no
dhcp_options_domain_name Specifies DNS name for DHCP options set (requires enable_dhcp_options set to true) string "" no
dhcp_options_domain_name_servers Specify a list of DNS server addresses for DHCP options set, default to AWS provided (requires enable_dhcp_options set to true) list(string) 
[
  "AmazonProvidedDNS"
]
 no
dhcp_options_ipv6_address_preferred_lease_time How frequently, in seconds, a running instance with an IPv6 assigned to it goes through DHCPv6 lease renewal (requires enable_dhcp_options set to true) number null no
dhcp_options_netbios_name_servers Specify a list of netbios servers for DHCP options set (requires enable_dhcp_options set to true) list(string) [] no
dhcp_options_netbios_node_type Specify netbios node_type for DHCP options set (requires enable_dhcp_options set to true) string "" no
dhcp_options_ntp_servers Specify a list of NTP servers for DHCP options set (requires enable_dhcp_options set to true) list(string) [] no
dhcp_options_tags Additional tags for the DHCP option set (requires enable_dhcp_options set to true) map(string) {} no
elasticache_acl_tags Additional tags for the elasticache subnets network ACL map(string) {} no
elasticache_dedicated_network_acl Whether to use dedicated network ACL (not default) and custom rules for elasticache subnets bool false no
elasticache_inbound_acl_rules Elasticache subnets inbound network ACL rules list(map(string)) 
[
  {
    "cidr_block": "0.0.0.0/0",
    "from_port": 0,
    "protocol": "-1",
    "rule_action": "allow",
    "rule_number": 100,
    "to_port": 0
  }
]
 no
elasticache_outbound_acl_rules Elasticache subnets outbound network ACL rules list(map(string)) 
[
  {
    "cidr_block": "0.0.0.0/0",
    "from_port": 0,
    "protocol": "-1",
    "rule_action": "allow",
    "rule_number": 100,
    "to_port": 0
  }
]
 no
elasticache_route_table_tags Additional tags for the elasticache route tables map(string) {} no
elasticache_subnet_assign_ipv6_address_on_creation Specify true to indicate that network interfaces created in the specified subnet should be assigned an IPv6 address. Default is false bool false no
elasticache_subnet_enable_dns64 Indicates whether DNS queries made to the Amazon-provided DNS Resolver in this subnet should return synthetic IPv6 addresses for IPv4-only destinations. Default: true bool true no
elasticache_subnet_enable_resource_name_dns_a_record_on_launch Indicates whether to respond to DNS queries for instance hostnames with DNS A records. Default: false bool false no
elasticache_subnet_enable_resource_name_dns_aaaa_record_on_launch Indicates whether to respond to DNS queries for instance hostnames with DNS AAAA records. Default: true bool true no
elasticache_subnet_group_name Name of elasticache subnet group string null no
elasticache_subnet_group_tags Additional tags for the elasticache subnet group map(string) {} no
elasticache_subnet_ipv6_native Indicates whether to create an IPv6-only subnet. Default: false bool false no
elasticache_subnet_ipv6_prefixes Assigns IPv6 elasticache subnet id based on the Amazon provided /56 prefix base 10 integer (0-256). Must be of equal length to the corresponding IPv4 subnet list list(string) [] no
elasticache_subnet_names Explicit values to use in the Name tag on elasticache subnets. If empty, Name tags are generated list(string) [] no
elasticache_subnet_private_dns_hostname_type_on_launch The type of hostnames to assign to instances in the subnet at launch. For IPv6-only subnets, an instance DNS name must be based on the instance ID. For dual-stack and IPv4-only subnets, you can specify whether DNS names use the instance IPv4 address or the instance ID. Valid values: ip-name, resource-name string null no
elasticache_subnet_suffix Suffix to append to elasticache subnets name string "elasticache" no
elasticache_subnet_tags Additional tags for the elasticache subnets map(string) {} no
elasticache_subnets A list of elasticache subnets inside the VPC list(string) [] no
enable_dhcp_options Should be true if you want to specify a DHCP options set with a custom domain name, DNS servers, NTP servers, netbios servers, and/or netbios server type bool false no
enable_dns_hostnames Should be true to enable DNS hostnames in the VPC bool true no
enable_dns_support Should be true to enable DNS support in the VPC bool true no
enable_flow_log Whether or not to enable VPC Flow Logs bool false no
enable_ipv6 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
enable_nat_gateway Should be true if you want to provision NAT Gateways for each of your private networks bool false no
enable_nat_via_transit_gateway Should be true if you want to use transit gateways to nat for each of your private networks bool false no
enable_network_address_usage_metrics Determines whether network address usage metrics are enabled for the VPC bool null no
enable_public_redshift Controls if redshift should have public routing table bool false no
enable_vpn_gateway Should be true if you want to create a new VPN Gateway resource and attach it to the VPC bool false no
external_nat_ip_ids List of EIP IDs to be assigned to the NAT Gateways (used in combination with reuse_nat_ips) list(string) [] no
external_nat_ips List of EIPs to be used for nat_public_ips output (used in combination with reuse_nat_ips and external_nat_ip_ids) list(string) [] no
flow_log_cloudwatch_iam_role_arn The ARN for the IAM role that's used to post flow logs to a CloudWatch Logs log group. When flow_log_destination_arn is set to ARN of Cloudwatch Logs, this argument needs to be provided string "" no
flow_log_cloudwatch_log_group_class Specified the log class of the log group. Possible values are: STANDARD or INFREQUENT_ACCESS string null no
flow_log_cloudwatch_log_group_kms_key_id The ARN of the KMS Key to use when encrypting log data for VPC flow logs string null no
flow_log_cloudwatch_log_group_name_prefix Specifies the name prefix of CloudWatch Log Group for VPC flow logs string "/aws/vpc-flow-log/" no
flow_log_cloudwatch_log_group_name_suffix Specifies the name suffix of CloudWatch Log Group for VPC flow logs string "" no
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
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
flow_log_deliver_cross_account_role (Optional) ARN of the IAM role that allows Amazon EC2 to publish flow logs across accounts. string null no
flow_log_destination_arn The ARN of the CloudWatch log group or S3 bucket where VPC Flow Logs will be pushed. If this ARN is a S3 bucket the appropriate permissions need to be set on that bucket's policy. When create_flow_log_cloudwatch_log_group is set to false this argument must be provided string "" no
flow_log_destination_type Type of flow log destination. Can be s3, kinesis-data-firehose or cloud-watch-logs string "cloud-watch-logs" no
flow_log_file_format (Optional) The format for the flow log. Valid values: plain-text, parquet string null no
flow_log_hive_compatible_partitions (Optional) Indicates whether to use Hive-compatible prefixes for flow logs stored in Amazon S3 bool false no
flow_log_log_format The fields to include in the flow log record, in the order in which they should appear string null no
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 600 no
flow_log_per_hour_partition (Optional) Indicates whether to partition the flow log per hour. This reduces the cost and response time for queries bool false no
flow_log_traffic_type The type of traffic to capture. Valid values: ACCEPT, REJECT, ALL string "ALL" no
igw_tags Additional tags for the internet gateway map(string) {} no
instance_tenancy A tenancy option for instances launched into the VPC string "default" no
intra_acl_tags Additional tags for the intra subnets network ACL map(string) {} no
intra_dedicated_network_acl Whether to use dedicated network ACL (not default) and custom rules for intra subnets bool false no
intra_inbound_acl_rules Intra subnets inbound network ACLs list(map(string)) 
[
  {
    "cidr_block": "0.0.0.0/0",
    "from_port": 0,
    "protocol": "-1",
    "rule_action": "allow",
    "rule_number": 100,
    "to_port": 0
  }
]
 no
intra_outbound_acl_rules Intra subnets outbound network ACLs list(map(string)) 
[
  {
    "cidr_block": "0.0.0.0/0",
    "from_port": 0,
    "protocol": "-1",
    "rule_action": "allow",
    "rule_number": 100,
    "to_port": 0
  }
]
 no
intra_route_table_tags Additional tags for the intra route tables map(string) {} no
intra_subnet_assign_ipv6_address_on_creation Specify true to indicate that network interfaces created in the specified subnet should be assigned an IPv6 address. Default is false bool false no
intra_subnet_enable_dns64 Indicates whether DNS queries made to the Amazon-provided DNS Resolver in this subnet should return synthetic IPv6 addresses for IPv4-only destinations. Default: true bool true no
intra_subnet_enable_resource_name_dns_a_record_on_launch Indicates whether to respond to DNS queries for instance hostnames with DNS A records. Default: false bool false no
intra_subnet_enable_resource_name_dns_aaaa_record_on_launch Indicates whether to respond to DNS queries for instance hostnames with DNS AAAA records. Default: true bool true no
intra_subnet_ipv6_native Indicates whether to create an IPv6-only subnet. Default: false bool false no
intra_subnet_ipv6_prefixes Assigns IPv6 intra subnet id based on the Amazon provided /56 prefix base 10 integer (0-256). Must be of equal length to the corresponding IPv4 subnet list list(string) [] no
intra_subnet_names Explicit values to use in the Name tag on intra subnets. If empty, Name tags are generated list(string) [] no
intra_subnet_private_dns_hostname_type_on_launch The type of hostnames to assign to instances in the subnet at launch. For IPv6-only subnets, an instance DNS name must be based on the instance ID. For dual-stack and IPv4-only subnets, you can specify whether DNS names use the instance IPv4 address or the instance ID. Valid values: ip-name, resource-name string null no
intra_subnet_suffix Suffix to append to intra subnets name string "intra" no
intra_subnet_tags Additional tags for the intra subnets map(string) {} no
intra_subnets A list of intra subnets inside the VPC list(string) [] no
ipv4_ipam_pool_id (Optional) The ID of an IPv4 IPAM pool you want to use for allocating this VPC's CIDR string null no
ipv4_netmask_length (Optional) The netmask length of the IPv4 CIDR you want to allocate to this VPC. Requires specifying a ipv4_ipam_pool_id number null no
ipv6_cidr (Optional) IPv6 CIDR block to request from an IPAM Pool. Can be set explicitly or derived from IPAM using ipv6_netmask_length string null no
ipv6_cidr_block_network_border_group By default when an IPv6 CIDR is assigned to a VPC a default ipv6_cidr_block_network_border_group will be set to the region of the VPC. This can be changed to restrict advertisement of public addresses to specific Network Border Groups such as LocalZones string null no
ipv6_ipam_pool_id (Optional) IPAM Pool ID for a IPv6 pool. Conflicts with assign_generated_ipv6_cidr_block string null no
ipv6_netmask_length (Optional) Netmask length to request from IPAM Pool. Conflicts with ipv6_cidr_block. This can be omitted if IPAM pool as a allocation_default_netmask_length set. Valid values: 56 number null no
manage_default_network_acl Should be true to adopt and manage Default Network ACL bool true no
manage_default_route_table Should be true to manage default route table bool true no
manage_default_security_group Should be true to adopt and manage default security group bool true no
manage_default_vpc Should be true to adopt and manage Default VPC bool false no
map_customer_owned_ip_on_launch Specify true to indicate that network interfaces created in the subnet should be assigned a customer owned IP address. The customer_owned_ipv4_pool and outpost_arn arguments must be specified when set to true. Default is false bool false no
map_public_ip_on_launch Specify true to indicate that instances launched into the subnet should be assigned a public IP address. Default is false bool false no
name Name to be used on all the resources as identifier string "" no
nat_eip_tags Additional tags for the NAT EIP map(string) {} no
nat_gateway_destination_cidr_block Used to pass a custom destination route for private NAT Gateway. If not specified, the default 0.0.0.0/0 is used as a destination route string "0.0.0.0/0" no
nat_gateway_tags Additional tags for the NAT gateways map(string) {} no
nat_transit_gateway_id Transit Gateway that is used to provide outbound internet access to private subnets string null no
one_nat_gateway_per_az Should be true if you want only one NAT Gateway per availability zone. Requires var.azs to be set, and the number of public_subnets created to be greater than or equal to the number of availability zones specified in var.azs bool false no
outpost_acl_tags Additional tags for the outpost subnets network ACL map(string) {} no
outpost_arn ARN of Outpost you want to create a subnet in string null no
outpost_az AZ where Outpost is anchored string null no
outpost_dedicated_network_acl Whether to use dedicated network ACL (not default) and custom rules for outpost subnets bool false no
outpost_inbound_acl_rules Outpost subnets inbound network ACLs list(map(string)) 
[
  {
    "cidr_block": "0.0.0.0/0",
    "from_port": 0,
    "protocol": "-1",
    "rule_action": "allow",
    "rule_number": 100,
    "to_port": 0
  }
]
 no
outpost_outbound_acl_rules Outpost subnets outbound network ACLs list(map(string)) 
[
  {
    "cidr_block": "0.0.0.0/0",
    "from_port": 0,
    "protocol": "-1",
    "rule_action": "allow",
    "rule_number": 100,
    "to_port": 0
  }
]
 no
outpost_subnet_assign_ipv6_address_on_creation Specify true to indicate that network interfaces created in the specified subnet should be assigned an IPv6 address. Default is false bool false no
outpost_subnet_enable_dns64 Indicates whether DNS queries made to the Amazon-provided DNS Resolver in this subnet should return synthetic IPv6 addresses for IPv4-only destinations. Default: true bool true no
outpost_subnet_enable_resource_name_dns_a_record_on_launch Indicates whether to respond to DNS queries for instance hostnames with DNS A records. Default: false bool false no
outpost_subnet_enable_resource_name_dns_aaaa_record_on_launch Indicates whether to respond to DNS queries for instance hostnames with DNS AAAA records. Default: true bool true no
outpost_subnet_ipv6_native Indicates whether to create an IPv6-only subnet. Default: false bool false no
outpost_subnet_ipv6_prefixes Assigns IPv6 outpost subnet id based on the Amazon provided /56 prefix base 10 integer (0-256). Must be of equal length to the corresponding IPv4 subnet list list(string) [] no
outpost_subnet_names Explicit values to use in the Name tag on outpost subnets. If empty, Name tags are generated list(string) [] no
outpost_subnet_private_dns_hostname_type_on_launch The type of hostnames to assign to instances in the subnet at launch. For IPv6-only subnets, an instance DNS name must be based on the instance ID. For dual-stack and IPv4-only subnets, you can specify whether DNS names use the instance IPv4 address or the instance ID. Valid values: ip-name, resource-name string null no
outpost_subnet_suffix Suffix to append to outpost subnets name string "outpost" no
outpost_subnet_tags Additional tags for the outpost subnets map(string) {} no
outpost_subnets A list of outpost subnets inside the VPC list(string) [] no
private_acl_tags Additional tags for the private subnets network ACL map(string) {} no
private_dedicated_network_acl Whether to use dedicated network ACL (not default) and custom rules for private subnets bool false no
private_inbound_acl_rules Private subnets inbound network ACLs list(map(string)) 
[
  {
    "cidr_block": "0.0.0.0/0",
    "from_port": 0,
    "protocol": "-1",
    "rule_action": "allow",
    "rule_number": 100,
    "to_port": 0
  }
]
 no
private_outbound_acl_rules Private subnets outbound network ACLs list(map(string)) 
[
  {
    "cidr_block": "0.0.0.0/0",
    "from_port": 0,
    "protocol": "-1",
    "rule_action": "allow",
    "rule_number": 100,
    "to_port": 0
  }
]
 no
private_route_table_tags Additional tags for the private route tables map(string) {} no
private_subnet_assign_ipv6_address_on_creation Specify true to indicate that network interfaces created in the specified subnet should be assigned an IPv6 address. Default is false bool false no
private_subnet_enable_dns64 Indicates whether DNS queries made to the Amazon-provided DNS Resolver in this subnet should return synthetic IPv6 addresses for IPv4-only destinations. Default: true bool true no
private_subnet_enable_resource_name_dns_a_record_on_launch Indicates whether to respond to DNS queries for instance hostnames with DNS A records. Default: false bool false no
private_subnet_enable_resource_name_dns_aaaa_record_on_launch Indicates whether to respond to DNS queries for instance hostnames with DNS AAAA records. Default: true bool true no
private_subnet_ipv6_native Indicates whether to create an IPv6-only subnet. Default: false bool false no
private_subnet_ipv6_prefixes Assigns IPv6 private subnet id based on the Amazon provided /56 prefix base 10 integer (0-256). Must be of equal length to the corresponding IPv4 subnet list list(string) [] no
private_subnet_names Explicit values to use in the Name tag on private subnets. If empty, Name tags are generated list(string) [] no
private_subnet_private_dns_hostname_type_on_launch The type of hostnames to assign to instances in the subnet at launch. For IPv6-only subnets, an instance DNS name must be based on the instance ID. For dual-stack and IPv4-only subnets, you can specify whether DNS names use the instance IPv4 address or the instance ID. Valid values: ip-name, resource-name string null no
private_subnet_suffix Suffix to append to private subnets name string "private" no
private_subnet_tags Additional tags for the private subnets map(string) {} no
private_subnet_tags_per_az Additional tags for the private subnets where the primary key is the AZ map(map(string)) {} no
private_subnets A list of private subnets inside the VPC list(string) [] no
propagate_intra_route_tables_vgw Should be true if you want route table propagation bool false no
propagate_private_route_tables_vgw Should be true if you want route table propagation bool false no
propagate_public_route_tables_vgw Should be true if you want route table propagation bool false no
public_acl_tags Additional tags for the public subnets network ACL map(string) {} no
public_dedicated_network_acl Whether to use dedicated network ACL (not default) and custom rules for public subnets bool false no
public_inbound_acl_rules Public subnets inbound network ACLs list(map(string)) 
[
  {
    "cidr_block": "0.0.0.0/0",
    "from_port": 0,
    "protocol": "-1",
    "rule_action": "allow",
    "rule_number": 100,
    "to_port": 0
  }
]
 no
public_outbound_acl_rules Public subnets outbound network ACLs list(map(string)) 
[
  {
    "cidr_block": "0.0.0.0/0",
    "from_port": 0,
    "protocol": "-1",
    "rule_action": "allow",
    "rule_number": 100,
    "to_port": 0
  }
]
 no
public_route_table_tags Additional tags for the public route tables map(string) {} no
public_subnet_assign_ipv6_address_on_creation Specify true to indicate that network interfaces created in the specified subnet should be assigned an IPv6 address. Default is false bool false no
public_subnet_enable_dns64 Indicates whether DNS queries made to the Amazon-provided DNS Resolver in this subnet should return synthetic IPv6 addresses for IPv4-only destinations. Default: true bool true no
public_subnet_enable_resource_name_dns_a_record_on_launch Indicates whether to respond to DNS queries for instance hostnames with DNS A records. Default: false bool false no
public_subnet_enable_resource_name_dns_aaaa_record_on_launch Indicates whether to respond to DNS queries for instance hostnames with DNS AAAA records. Default: true bool true no
public_subnet_ipv6_native Indicates whether to create an IPv6-only subnet. Default: false bool false no
public_subnet_ipv6_prefixes Assigns IPv6 public subnet id based on the Amazon provided /56 prefix base 10 integer (0-256). Must be of equal length to the corresponding IPv4 subnet list list(string) [] no
public_subnet_names Explicit values to use in the Name tag on public subnets. If empty, Name tags are generated list(string) [] no
public_subnet_private_dns_hostname_type_on_launch The type of hostnames to assign to instances in the subnet at launch. For IPv6-only subnets, an instance DNS name must be based on the instance ID. For dual-stack and IPv4-only subnets, you can specify whether DNS names use the instance IPv4 address or the instance ID. Valid values: ip-name, resource-name string null no
public_subnet_suffix Suffix to append to public subnets name string "public" no
public_subnet_tags Additional tags for the public subnets map(string) {} no
public_subnet_tags_per_az Additional tags for the public subnets where the primary key is the AZ map(map(string)) {} no
public_subnets A list of public subnets inside the VPC list(string) [] no
putin_khuylo Do you agree that Putin doesn't respect Ukrainian sovereignty and territorial integrity? More info: https://en.wikipedia.org/wiki/Putin_khuylo! bool true no
redshift_acl_tags Additional tags for the redshift subnets network ACL map(string) {} no
redshift_dedicated_network_acl Whether to use dedicated network ACL (not default) and custom rules for redshift subnets bool false no
redshift_inbound_acl_rules Redshift subnets inbound network ACL rules list(map(string)) 
[
  {
    "cidr_block": "0.0.0.0/0",
    "from_port": 0,
    "protocol": "-1",
    "rule_action": "allow",
    "rule_number": 100,
    "to_port": 0
  }
]
 no
redshift_outbound_acl_rules Redshift subnets outbound network ACL rules list(map(string)) 
[
  {
    "cidr_block": "0.0.0.0/0",
    "from_port": 0,
    "protocol": "-1",
    "rule_action": "allow",
    "rule_number": 100,
    "to_port": 0
  }
]
 no
redshift_route_table_tags Additional tags for the redshift route tables map(string) {} no
redshift_subnet_assign_ipv6_address_on_creation Specify true to indicate that network interfaces created in the specified subnet should be assigned an IPv6 address. Default is false bool false no
redshift_subnet_enable_dns64 Indicates whether DNS queries made to the Amazon-provided DNS Resolver in this subnet should return synthetic IPv6 addresses for IPv4-only destinations. Default: true bool true no
redshift_subnet_enable_resource_name_dns_a_record_on_launch Indicates whether to respond to DNS queries for instance hostnames with DNS A records. Default: false bool false no
redshift_subnet_enable_resource_name_dns_aaaa_record_on_launch Indicates whether to respond to DNS queries for instance hostnames with DNS AAAA records. Default: true bool true no
redshift_subnet_group_name Name of redshift subnet group string null no
redshift_subnet_group_tags Additional tags for the redshift subnet group map(string) {} no
redshift_subnet_ipv6_native Indicates whether to create an IPv6-only subnet. Default: false bool false no
redshift_subnet_ipv6_prefixes Assigns IPv6 redshift subnet id based on the Amazon provided /56 prefix base 10 integer (0-256). Must be of equal length to the corresponding IPv4 subnet list list(string) [] no
redshift_subnet_names Explicit values to use in the Name tag on redshift subnets. If empty, Name tags are generated list(string) [] no
redshift_subnet_private_dns_hostname_type_on_launch The type of hostnames to assign to instances in the subnet at launch. For IPv6-only subnets, an instance DNS name must be based on the instance ID. For dual-stack and IPv4-only subnets, you can specify whether DNS names use the instance IPv4 address or the instance ID. Valid values: ip-name, resource-name string null no
redshift_subnet_suffix Suffix to append to redshift subnets name string "redshift" no
redshift_subnet_tags Additional tags for the redshift subnets map(string) {} no
redshift_subnets A list of redshift subnets inside the VPC list(string) [] no
reuse_nat_ips Should be true if you don't want EIPs to be created for your NAT Gateways and will instead pass them in via the 'external_nat_ip_ids' variable bool false no
secondary_cidr_blocks List of secondary CIDR blocks to associate with the VPC to extend the IP Address pool list(string) [] no
single_nat_gateway Should be true if you want to provision a single shared NAT Gateway across all of your private networks bool false no
tags A map of tags to add to all resources map(string) {} no
use_ipam_pool Determines whether IPAM pool is used for CIDR allocation bool false no
vpc_flow_log_iam_policy_name Name of the IAM policy string "vpc-flow-log-to-cloudwatch" no
vpc_flow_log_iam_policy_use_name_prefix Determines whether the name of the IAM policy (vpc_flow_log_iam_policy_name) is used as a prefix bool true no
vpc_flow_log_iam_role_name Name to use on the VPC Flow Log IAM role created string "vpc-flow-log-role" no
vpc_flow_log_iam_role_use_name_prefix Determines whether the IAM role name (vpc_flow_log_iam_role_name_name) is used as a prefix bool true no
vpc_flow_log_permissions_boundary The ARN of the Permissions Boundary for the VPC Flow Log IAM Role string null no
vpc_flow_log_tags Additional tags for the VPC Flow Logs map(string) {} no
vpc_tags Additional tags for the VPC map(string) {} no
vpn_gateway_az The Availability Zone for the VPN Gateway string null no
vpn_gateway_id ID of VPN Gateway to attach to the VPC string "" no
vpn_gateway_tags Additional tags for the VPN gateway map(string) {} no

Outputs

Name Description
azs A list of availability zones specified as argument to this module
cgw_arns List of ARNs of Customer Gateway
cgw_ids List of IDs of Customer Gateway
database_internet_gateway_route_id ID of the database internet gateway route
database_ipv6_egress_route_id ID of the database IPv6 egress route
database_nat_gateway_route_ids List of IDs of the database nat gateway route
database_network_acl_arn ARN of the database network ACL
database_network_acl_id ID of the database network ACL
database_route_table_association_ids List of IDs of the database route table association
database_route_table_ids List of IDs of database route tables
database_subnet_arns List of ARNs of database subnets
database_subnet_group ID of database subnet group
database_subnet_group_name Name of database subnet group
database_subnets List of IDs of database subnets
database_subnets_cidr_blocks List of cidr_blocks of database subnets
database_subnets_ipv6_cidr_blocks List of IPv6 cidr_blocks of database subnets in an IPv6 enabled VPC
default_network_acl_id The ID of the default network ACL
default_route_table_id The ID of the default route table
default_security_group_id The ID of the security group created by default on VPC creation
default_vpc_arn The ARN of the Default VPC
default_vpc_cidr_block The CIDR block of the Default VPC
default_vpc_default_network_acl_id The ID of the default network ACL of the Default VPC
default_vpc_default_route_table_id The ID of the default route table of the Default VPC
default_vpc_default_security_group_id The ID of the security group created by default on Default VPC creation
default_vpc_enable_dns_hostnames Whether or not the Default VPC has DNS hostname support
default_vpc_enable_dns_support Whether or not the Default VPC has DNS support
default_vpc_id The ID of the Default VPC
default_vpc_instance_tenancy Tenancy of instances spin up within Default VPC
default_vpc_main_route_table_id The ID of the main route table associated with the Default VPC
dhcp_options_id The ID of the DHCP options
egress_only_internet_gateway_id The ID of the egress only Internet Gateway
elasticache_network_acl_arn ARN of the elasticache network ACL
elasticache_network_acl_id ID of the elasticache network ACL
elasticache_route_table_association_ids List of IDs of the elasticache route table association
elasticache_route_table_ids List of IDs of elasticache route tables
elasticache_subnet_arns List of ARNs of elasticache subnets
elasticache_subnet_group ID of elasticache subnet group
elasticache_subnet_group_name Name of elasticache subnet group
elasticache_subnets List of IDs of elasticache subnets
elasticache_subnets_cidr_blocks List of cidr_blocks of elasticache subnets
elasticache_subnets_ipv6_cidr_blocks List of IPv6 cidr_blocks of elasticache subnets in an IPv6 enabled VPC
igw_arn The ARN of the Internet Gateway
igw_id The ID of the Internet Gateway
intra_network_acl_arn ARN of the intra network ACL
intra_network_acl_id ID of the intra network ACL
intra_route_table_association_ids List of IDs of the intra route table association
intra_route_table_ids List of IDs of intra route tables
intra_subnet_arns List of ARNs of intra subnets
intra_subnets List of IDs of intra subnets
intra_subnets_cidr_blocks List of cidr_blocks of intra subnets
intra_subnets_ipv6_cidr_blocks List of IPv6 cidr_blocks of intra subnets in an IPv6 enabled VPC
name The name of the VPC specified as argument to this module
nat_ids List of allocation ID of Elastic IPs created for AWS NAT Gateway
nat_public_ips List of public Elastic IPs created for AWS NAT Gateway
natgw_ids List of NAT Gateway IDs
natgw_interface_ids List of Network Interface IDs assigned to NAT Gateways
outpost_network_acl_arn ARN of the outpost network ACL
outpost_network_acl_id ID of the outpost network ACL
outpost_subnet_arns List of ARNs of outpost subnets
outpost_subnets List of IDs of outpost subnets
outpost_subnets_cidr_blocks List of cidr_blocks of outpost subnets
outpost_subnets_ipv6_cidr_blocks List of IPv6 cidr_blocks of outpost subnets in an IPv6 enabled VPC
private_ipv6_egress_route_ids List of IDs of the ipv6 egress route
private_nat_gateway_route_ids List of IDs of the private nat gateway route
private_network_acl_arn ARN of the private network ACL
private_network_acl_id ID of the private network ACL
private_route_table_association_ids List of IDs of the private route table association
private_route_table_ids List of IDs of private route tables
private_subnet_arns List of ARNs of private subnets
private_subnets List of IDs of private subnets
private_subnets_cidr_blocks List of cidr_blocks of private subnets
private_subnets_ipv6_cidr_blocks List of IPv6 cidr_blocks of private subnets in an IPv6 enabled VPC
public_internet_gateway_ipv6_route_id ID of the IPv6 internet gateway route
public_internet_gateway_route_id ID of the internet gateway route
public_network_acl_arn ARN of the public network ACL
public_network_acl_id ID of the public network ACL
public_route_table_association_ids List of IDs of the public route table association
public_route_table_ids List of IDs of public route tables
public_subnet_arns List of ARNs of public subnets
public_subnets List of IDs of public subnets
public_subnets_cidr_blocks List of cidr_blocks of public subnets
public_subnets_ipv6_cidr_blocks List of IPv6 cidr_blocks of public subnets in an IPv6 enabled VPC
redshift_network_acl_arn ARN of the redshift network ACL
redshift_network_acl_id ID of the redshift network ACL
redshift_public_route_table_association_ids List of IDs of the public redshift route table association
redshift_route_table_association_ids List of IDs of the redshift route table association
redshift_route_table_ids List of IDs of redshift route tables
redshift_subnet_arns List of ARNs of redshift subnets
redshift_subnet_group ID of redshift subnet group
redshift_subnets List of IDs of redshift subnets
redshift_subnets_cidr_blocks List of cidr_blocks of redshift subnets
redshift_subnets_ipv6_cidr_blocks List of IPv6 cidr_blocks of redshift subnets in an IPv6 enabled VPC
this_customer_gateway Map of Customer Gateway attributes
vgw_arn The ARN of the VPN Gateway
vgw_id The ID of the VPN Gateway
vpc_arn The ARN of the VPC
vpc_cidr_block The CIDR block of the VPC
vpc_enable_dns_hostnames Whether or not the VPC has DNS hostname support
vpc_enable_dns_support Whether or not the VPC has DNS support
vpc_flow_log_cloudwatch_iam_role_arn The ARN of the IAM role used when pushing logs to Cloudwatch log group
vpc_flow_log_deliver_cross_account_role The ARN of the IAM role used when pushing logs cross account
vpc_flow_log_destination_arn The ARN of the destination for VPC Flow Logs
vpc_flow_log_destination_type The type of the destination for VPC Flow Logs
vpc_flow_log_id The ID of the Flow Log resource
vpc_id The ID of the VPC
vpc_instance_tenancy Tenancy of instances spin up within VPC
vpc_ipv6_association_id The association ID for the IPv6 CIDR block
vpc_ipv6_cidr_block The IPv6 CIDR block
vpc_main_route_table_id The ID of the main route table associated with this VPC
vpc_owner_id The ID of the AWS account that owns the VPC
vpc_secondary_cidr_blocks List of secondary CIDR blocks of the VPC

Authors

Module is maintained by Anton Babenko with help from these awesome contributors.

License

Apache 2 Licensed. See LICENSE for full details.

Additional information for users from Russia and Belarus

About

Terraform module which creates VPC resources on AWS

registry.terraform.io/modules/terraform-aws-modules/vpc/aws

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Apache-2.0 license
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Releases 2

5.13.0 Latest
Aug 28, 2024
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