2022-10-09 06:41:56 -07:00
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# Google Simple NVA Module
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2022-09-30 09:43:24 -07:00
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This module allows for the creation of a NVA (Network Virtual Appliance) to be used for experiments and as a stub for future appliances deployment.
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This NVA can be used to interconnect up to 8 VPCs.
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## Examples
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### Simple example
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```hcl
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# Interfaces configuration
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locals {
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network_interfaces = [
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{
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addresses = null
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name = "dev"
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nat = false
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network = "dev_vpc_self_link"
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routes = ["10.128.0.0/9"]
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subnetwork = "dev_vpc_nva_subnet_self_link"
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},
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{
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addresses = null
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name = "prod"
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nat = false
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network = "prod_vpc_self_link"
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routes = ["10.0.0.0/9"]
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subnetwork = "prod_vpc_nva_subnet_self_link"
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}
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}
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# NVA config
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module "nva-cloud-config" {
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source = "../../../cloud-foundation-fabric/modules/cloud-config-container/simple-nva"
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enable_health_checks = true
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network_interfaces = local.network_interfaces
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}
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# COS VM
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module "nva" {
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source = "../../modules/compute-vm"
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project_id = "myproject"
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instance_type = "e2-standard-2"
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name = "nva"
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can_ip_forward = true
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zone = "europe-west8-a"
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tags = ["nva"]
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network_interfaces = local.network_interfaces
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boot_disk = {
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image = "projects/cos-cloud/global/images/family/cos-stable"
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size = 10
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type = "pd-balanced"
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}
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metadata = {
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user-data = module.nva-cloud-config.cloud_config
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}
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}
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```
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<!-- BEGIN TFDOC -->
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## Variables
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| name | description | type | required | default |
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|---|---|:---:|:---:|:---:|
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| [network_interfaces](variables.tf#L29) | Network interfaces configuration. | <code title="list(object({ routes = optional(list(string)) }))">list(object({…}))</code> | ✓ | |
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| [cloud_config](variables.tf#L17) | Cloud config template path. If null default will be used. | <code>string</code> | | <code>null</code> |
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| [enable_health_checks](variables.tf#L23) | Configures routing to enable responses to health check probes. | <code>bool</code> | | <code>false</code> |
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| [test_instance](variables-instance.tf#L17) | Test/development instance attributes, leave null to skip creation. | <code title="object({ project_id = string zone = string name = string type = string network = string subnetwork = string })">object({…})</code> | | <code>null</code> |
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| [test_instance_defaults](variables-instance.tf#L30) | Test/development instance defaults used for optional configuration. If image is null, COS stable will be used. | <code title="object({ disks = map(object({ read_only = bool size = number })) image = string metadata = map(string) nat = bool service_account_roles = list(string) tags = list(string) })">object({…})</code> | | <code title="{ disks = {} image = null metadata = {} nat = false service_account_roles = [ "roles/logging.logWriter", "roles/monitoring.metricWriter" ] tags = ["ssh"] }">{…}</code> |
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## Outputs
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| name | description | sensitive |
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|---|---|:---:|
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| [cloud_config](outputs.tf#L17) | Rendered cloud-config file to be passed as user-data instance metadata. | |
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| [test_instance](outputs-instance.tf#L17) | Optional test instance name and address. | |
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<!-- END TFDOC -->
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