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Terraform AZURE VNET-PEERING

Terraform module to create vnet-peering resource on AZURE.

Terraform Licence

We eat, drink, sleep and most importantly love DevOps. We are working towards strategies for standardizing architecture while ensuring security for the infrastructure. We are strong believer of the philosophy Bigger problems are always solved by breaking them into smaller manageable problems. Resonating with microservices architecture, it is considered best-practice to run database, cluster, storage in smaller connected yet manageable pieces within the infrastructure.

This module is basically combination of Terraform open source and includes automatation tests and examples. It also helps to create and improve your infrastructure with minimalistic code instead of maintaining the whole infrastructure code yourself.

We have fifty plus terraform modules. A few of them are comepleted and are available for open source usage while a few others are in progress.

Prerequisites

This module has a few dependencies:

Examples

IMPORTANT: Since the master branch used in source varies based on new modifications, we suggest that you use the release versions here.

Here are some examples of how you can use this module in your inventory structure:

Default vnet-peering

module "vnet_peering" {
 source                        = "clouddrove/vnet-peering/azure"
 version                       = "1.0.0"
 enabled_peering               = true
 resource_group_1_name         = module.resource_group_1.resource_group_name
 resource_group_2_name         = module.resource_group_2.resource_group_name

 different_rg                  = true
 vnet_1_name                   = module.vnet.vnet_name[0]
 vnet_1_id                     = module.vnet.vnet_id[0]
 vnet_2_name                   = module.vnet_remote.vnet_name[0]
 vnet_2_id                     = module.vnet_remote.vnet_id[0]
}

vnet-peering in different subscription

module "vnet_peering" {
 source                        = "clouddrove/vnet-peering/azure"
 version                       = "1.0.0"
 enabled_diff_subs_peering     = true
 resource_group_1_name         = module.resource_group_1.resource_group_name
 diff_subs_resource_group_name = data.azurerm_resource_group.mgmt-rg.name

 alias_subs_id                 = "82XXXXXXXXXXXXXXXXXXXXa80"
 vnet_1_name                   = module.vnet.vnet_name[0]
 vnet_1_id                     = module.vnet.vnet_id[0]
 vnet_diff_subs_name           = data.azurerm_virtual_network.mgmt-staging-vnet.name
 vnet_diff_subs_id             = data.azurerm_virtual_network.mgmt-staging-vnet.id
}

Inputs

Name Description Type Default Required
alias_subs_id Alias for remote provider in module. string "" no
allow_forwarded_traffic_vnet1 Controls if forwarded traffic from VMs in the remote virtual network is allowed bool false no
allow_forwarded_traffic_vnet2 Controls if forwarded traffic from VMs in the remote virtual network is allowed bool false no
allow_forwarded_traffic_vnet_diff_subs Controls if forwarded traffic from VMs in the remote virtual network is allowed bool false no
allow_gateway_transit_vnet1 Controls gatewayLinks can be used in the remote virtual network’s link to the local virtual network. bool false no
allow_gateway_transit_vnet2 Controls gatewayLinks can be used in the remote virtual network’s link to the local virtual network. bool false no
allow_gateway_transit_vnet_diff_subs Controls gatewayLinks can be used in the different subscription virtual network’s link to the local virtual network. bool false no
allow_virtual_network_access Controls if the VMs in the remote virtual network can access VMs in the local virtual network. bool true no
attributes Additional attributes (e.g. 1). list(string) [] no
diff_subs_resource_group_name The name of remote resource group to be imported. string "" no
different_rg Flag to tell whether peering is to be done in same in resource group or different resource group bool false no
enabled_diff_subs_peering n/a bool false no
enabled_peering Set to false to prevent the module from creating any resources. bool false no
environment Environment (e.g. prod, dev, staging). string "" no
label_order Label order, e.g. sequence of application name and environment name,environment,'attribute' [webserver,qa,devops,public,] . list(any) [] no
name Name (e.g. app or cluster). string "" no
repository Terraform current module repo string "" no
resource_group_1_name The name of 1st existing resource group to be imported. string "" no
resource_group_2_name The name of 2nd existing resource group to be imported. string "" no
use_remote_gateways_vnet1 Controls if remote gateways can be used on the local virtual network bool false no
use_remote_gateways_vnet2 Controls if remote gateways can be used on the local virtual network bool false no
use_remote_gateways_vnet_diff_subs Controls if remote gateways can be used on the different subscription virtual network bool false no
vnet_1_id The full Azure resource ID of the remote virtual network. Changing this forces a new resource to be created. string "" no
vnet_1_name The name of the virtual network. Changing this forces a new resource to be created. string "" no
vnet_2_id The full Azure resource ID of the remote virtual network. Changing this forces a new resource to be created. string "" no
vnet_2_name The name of the remote virtual network. string "" no
vnet_diff_subs_id The id of the remote virtual network. string "" no
vnet_diff_subs_name The name of the remote virtual network. string "" no

Outputs

Name Description
vnet_peer_1_id The id of the newly created virtual network peering in on first virtual netowork.
vnet_peer_1_name The name of the newly created virtual network peering in on first virtual netowork.
vnet_peer_2_id The id of the newly created virtual network peering in on second virtual netowork.
vnet_peer_2_name The name of the newly created virtual network peering in on second virtual netowork.
vnet_peer_diff_subs_id The id of the newly created virtual network peering in on different subscription virtual netowork.
vnet_peer_diff_subs_name The name of the newly created virtual network peering in on different subscription virtual netowork.

Testing

In this module testing is performed with terratest and it creates a small piece of infrastructure, matches the output like ARN, ID and Tags name etc and destroy infrastructure in your AWS account. This testing is written in GO, so you need a GO environment in your system.

You need to run the following command in the testing folder:

  go test -run Test

Feedback

If you come accross a bug or have any feedback, please log it in our issue tracker, or feel free to drop us an email at [email protected].

If you have found it worth your time, go ahead and give us a ★ on our GitHub!

About us

At CloudDrove, we offer expert guidance, implementation support and services to help organisations accelerate their journey to the cloud. Our services include docker and container orchestration, cloud migration and adoption, infrastructure automation, application modernisation and remediation, and performance engineering.

We are The Cloud Experts!

We ❤️ Open Source and you can check out our other modules to get help with your new Cloud ideas.