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README.md

Landing Zone management VPC (standalone)

This specialized submodule calls the root landing-zone-vpc module with a preset configuration that results in a management VPC with a topology that is identical to the management VPC that is created by the terraform-ibm-landing-zone module.

You can use this submodule when you need more modularity to create your topology than the terraform-ibm-landing-zone module provides. This submodule provides one of the building blocks for this topology.

See the Landing Zone example for runnable code.

Usage

module management_vpc {
  source              = "terraform-ibm-modules/landing-zone-vpc/ibm//modules/management-vpc"
  version             = "X.X.X" # replace X.X.X with a release version to lock into an exact release
  name                = "management"
  region              = "us-south"
  prefix              = "management-vpc"
}

Requirements

Name Version
terraform >= 1.9.0

Modules

Name Source Version
management_vpc ../../ n/a

Resources

No resources.

Inputs

Name Description Type Default Required
access_tags Optional list of access tags to add to the VPC resources that are created list(string) [] no
address_prefixes Use address_prefixes only if use_manual_address_prefixes is true otherwise prefixes will not be created. Use only if you need to manage prefixes manually. 
object({
    zone-1 = optional(list(string))
    zone-2 = optional(list(string))
    zone-3 = optional(list(string))
  })
 null no
clean_default_sg_acl Remove all rules from the default VPC security group and VPC ACL (less permissive) bool false no
create_authorization_policy_vpc_to_cos Set it to true if authorization policy is required for VPC to access COS bool false no
default_network_acl_name Override default ACL name string null no
default_routing_table_name Override default VPC routing table name string null no
default_security_group_name Override default VPC security group name string null no
default_security_group_rules Override default security group rules 
list(
    object({
      name      = string
      direction = string
      remote    = string
      tcp = optional(
        object({
          port_max = optional(number)
          port_min = optional(number)
        })
      )
      udp = optional(
        object({
          port_max = optional(number)
          port_min = optional(number)
        })
      )
      icmp = optional(
        object({
          type = optional(number)
          code = optional(number)
        })
      )
    })
  )
 [] no
enable_vpc_flow_logs Enable VPC Flow Logs, it will create Flow logs collector if set to true bool false no
existing_cos_bucket_name Name of the COS bucket to collect VPC flow logs string null no
existing_cos_instance_guid GUID of the COS instance to create Flow log collector string null no
network_acls List of network ACLs to create with VPC 
list(
    object({
      name                         = string
      add_ibm_cloud_internal_rules = optional(bool)
      add_vpc_connectivity_rules   = optional(bool)
      prepend_ibm_rules            = optional(bool)
      rules = list(
        object({
          name        = string
          action      = string
          destination = string
          direction   = string
          source      = string
          tcp = optional(
            object({
              port_max        = optional(number)
              port_min        = optional(number)
              source_port_max = optional(number)
              source_port_min = optional(number)
            })
          )
          udp = optional(
            object({
              port_max        = optional(number)
              port_min        = optional(number)
              source_port_max = optional(number)
              source_port_min = optional(number)
            })
          )
          icmp = optional(
            object({
              type = optional(number)
              code = optional(number)
            })
          )
        })
      )
    })
  )
 
[
  {
    "add_ibm_cloud_internal_rules": true,
    "add_vpc_connectivity_rules": true,
    "name": "management-acl",
    "prepend_ibm_rules": true,
    "rules": []
  }
]
 no
network_cidrs Network CIDR for the VPC. This is used to manage network ACL rules for cluster provisioning. list(string) 
[
  "10.0.0.0/8"
]
 no
prefix The prefix that you would like to append to your resources string "management" no
region The region to which to deploy the VPC string "au-syd" no
resource_group_id The resource group ID where the VPC to be created string n/a yes
subnets Object for subnets to be created in each zone, each zone can have any number of subnets 
object({
    zone-1 = list(object({
      name           = string
      cidr           = string
      public_gateway = optional(bool)
      acl_name       = string
    }))
    zone-2 = list(object({
      name           = string
      cidr           = string
      public_gateway = optional(bool)
      acl_name       = string
    }))
    zone-3 = list(object({
      name           = string
      cidr           = string
      public_gateway = optional(bool)
      acl_name       = string
    }))
  })
 
{
  "zone-1": [
    {
      "acl_name": "management-acl",
      "cidr": "10.10.10.0/24",
      "name": "vsi-zone-1",
      "public_gateway": false
    },
    {
      "acl_name": "management-acl",
      "cidr": "10.10.20.0/24",
      "name": "vpe-zone-1",
      "public_gateway": false
    },
    {
      "acl_name": "management-acl",
      "cidr": "10.10.30.0/24",
      "name": "vpn-zone-1",
      "public_gateway": false
    }
  ],
  "zone-2": [
    {
      "acl_name": "management-acl",
      "cidr": "10.20.10.0/24",
      "name": "vsi-zone-2",
      "public_gateway": false
    },
    {
      "acl_name": "management-acl",
      "cidr": "10.20.20.0/24",
      "name": "vpe-zone-2",
      "public_gateway": false
    }
  ],
  "zone-3": [
    {
      "acl_name": "management-acl",
      "cidr": "10.30.10.0/24",
      "name": "vsi-zone-3",
      "public_gateway": false
    },
    {
      "acl_name": "management-acl",
      "cidr": "10.30.20.0/24",
      "name": "vpe-zone-3",
      "public_gateway": false
    }
  ]
}
 no
tags List of tags to apply to resources created by this module. list(string) [] no
use_public_gateways For each zone that is set to true, a public gateway will be created in that zone 
object({
    zone-1 = optional(bool)
    zone-2 = optional(bool)
    zone-3 = optional(bool)
  })
 
{
  "zone-1": false,
  "zone-2": false,
  "zone-3": false
}
 no

Outputs

Name Description
vpc_crn CRN of VPC created
vpc_id ID of VPC created
vpc_name VPC name