feat: dns resource

examples/dns/README.md

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+<!-- BEGIN_TF_DOCS -->
+## Requirements
+
+| Name | Version |
+|------|---------|
+| terraform | >= 1.3.0 |
+| humanitec | ~> 0 |
+
+## Providers
+
+| Name | Version |
+|------|---------|
+| humanitec | ~> 0 |
+
+## Modules
+
+| Name | Source | Version |
+|------|--------|---------|
+| dns\_basic | ../../humanitec-resource-defs/dns/basic | n/a |
+
+## Resources
+
+| Name | Type |
+|------|------|
+| [humanitec_application.example](https://registry.terraform.io/providers/humanitec/humanitec/latest/docs/resources/application) | resource |
+| [humanitec_resource_definition_criteria.dns_basic](https://registry.terraform.io/providers/humanitec/humanitec/latest/docs/resources/resource_definition_criteria) | resource |
+
+## Inputs
+
+| Name | Description | Type | Default | Required |
+|------|-------------|------|---------|:--------:|
+| credentials | GCP credentials | `string` | n/a | yes |
+| managed\_zone | The name of the zone in which this record set will reside. | `string` | n/a | yes |
+| managed\_zone\_dns\_name | The DNS name of the managed zone. | `string` | n/a | yes |
+| project | GCP project ID | `string` | n/a | yes |
+| region | n/a | `string` | n/a | yes |
+| humanitec\_application | n/a | `string` | `"dns-test"` | no |
+| resource\_packs\_gcp\_rev | GCP Resource Pack git ref | `string` | `"refs/heads/main"` | no |
+| resource\_packs\_gcp\_url | GCP Resource Pack git url | `string` | `"https://github.com/humanitec-architecture/resource-packs-gcp.git"` | no |
+<!-- END_TF_DOCS -->

examples/dns/main.tf

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+locals {
+  res_def_prefix = "${var.humanitec_application}-"
+}
+
+resource "humanitec_application" "example" {
+  id   = var.humanitec_application
+  name = var.humanitec_application
+}
+
+# cloud dns
+
+module "dns_basic" {
+  source = "../../humanitec-resource-defs/dns/basic"
+
+  prefix = local.res_def_prefix
+
+  resource_packs_gcp_url = var.resource_packs_gcp_url
+  resource_packs_gcp_rev = var.resource_packs_gcp_rev
+
+  project     = var.project
+  region      = var.region
+  credentials = var.credentials
+
+  managed_zone          = var.managed_zone
+  managed_zone_dns_name = var.managed_zone_dns_name
+}
+
+resource "humanitec_resource_definition_criteria" "dns_basic" {
+  resource_definition_id = module.dns_basic.id
+  app_id                 = humanitec_application.example.id
+}

examples/dns/providers.tf

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+terraform {
+  required_providers {
+    humanitec = {
+      source  = "humanitec/humanitec"
+      version = "~> 0"
+    }
+  }
+
+  required_version = ">= 1.3.0"
+}
+
+provider "humanitec" {}

examples/dns/terraform.tfvars.example

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+
+# GCP credentials
+credentials = ""
+
+humanitec_application = "dns-test"
+
+# The name of the zone in which this record set will reside.
+managed_zone = ""
+
+# The DNS name of the managed zone.
+managed_zone_dns_name = ""
+
+# GCP project ID
+project = ""
+
+region = ""
+
+# GCP Resource Pack git ref
+resource_packs_gcp_rev = "refs/heads/main"
+
+# GCP Resource Pack git url
+resource_packs_gcp_url = "https://github.com/humanitec-architecture/resource-packs-gcp.git"

examples/dns/variables.tf

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+variable "project" {
+  description = "GCP project ID"
+  type        = string
+}
+
+variable "region" {
+  type = string
+}
+
+variable "credentials" {
+  description = "GCP credentials"
+  type        = string
+}
+
+variable "managed_zone" {
+  description = "The name of the zone in which this record set will reside."
+  type        = string
+}
+
+variable "managed_zone_dns_name" {
+  description = "The DNS name of the managed zone."
+  type        = string
+}
+
+variable "humanitec_application" {
+  type    = string
+  default = "dns-test"
+}
+
+variable "resource_packs_gcp_url" {
+  description = "GCP Resource Pack git url"
+  type        = string
+  default     = "https://github.com/humanitec-architecture/resource-packs-gcp.git"
+}
+
+variable "resource_packs_gcp_rev" {
+  description = "GCP Resource Pack git ref"
+  type        = string
+  default     = "refs/heads/main"
+}

humanitec-resource-defs/dns/basic/README.md

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+<!-- BEGIN_TF_DOCS -->
+## Requirements
+
+| Name | Version |
+|------|---------|
+| terraform | >= 1.3.0 |
+| humanitec | ~> 0 |
+
+## Providers
+
+| Name | Version |
+|------|---------|
+| humanitec | ~> 0 |
+
+## Resources
+
+| Name | Type |
+|------|------|
+| [humanitec_resource_definition.main](https://registry.terraform.io/providers/humanitec/humanitec/latest/docs/resources/resource_definition) | resource |
+
+## Inputs
+
+| Name | Description | Type | Default | Required |
+|------|-------------|------|---------|:--------:|
+| credentials | n/a | `any` | n/a | yes |
+| managed\_zone | The name of the zone in which this record set will reside. | `string` | n/a | yes |
+| managed\_zone\_dns\_name | The DNS name of the managed zone. | `string` | n/a | yes |
+| prefix | n/a | `string` | n/a | yes |
+| project | n/a | `string` | n/a | yes |
+| region | n/a | `any` | n/a | yes |
+| resource\_packs\_gcp\_rev | n/a | `string` | `"ref/heads/main"` | no |
+| resource\_packs\_gcp\_url | n/a | `string` | `"https://github.com/humanitec-architecture/resource-packs-gcp.git"` | no |
+
+## Outputs
+
+| Name | Description |
+|------|-------------|
+| id | n/a |
+<!-- END_TF_DOCS -->

humanitec-resource-defs/dns/basic/main.tf

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+resource "humanitec_resource_definition" "main" {
+  driver_type = "humanitec/terraform"
+  id          = "${var.prefix}clouddns-basic"
+  name        = "${var.prefix}clouddns-basic"
+  type        = "dns"
+
+  driver_inputs = {
+    secrets_string = jsonencode({
+      variables = {
+        credentials = var.credentials
+      }
+    })
+
+    values_string = jsonencode({
+      source = {
+        path = "modules/dns/basic"
+        rev  = var.resource_packs_gcp_rev
+        url  = var.resource_packs_gcp_url
+      }
+
+      variables = {
+        project               = var.project
+        region                = var.region
+        app_id                = "$${context.app.id}"
+        env_id                = "$${context.env.id}"
+        managed_zone          = var.managed_zone
+        managed_zone_dns_name = var.managed_zone_dns_name
+        subdomain             = "$${context.app.id}-$${context.env.id}"
+      }
+    })
+  }
+}

humanitec-resource-defs/dns/basic/outputs.tf

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+output "id" {
+  value = humanitec_resource_definition.main.id
+}

humanitec-resource-defs/dns/basic/providers.tf

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+terraform {
+  required_providers {
+    humanitec = {
+      source  = "humanitec/humanitec"
+      version = "~> 0"
+    }
+  }
+
+  required_version = ">= 1.3.0"
+}

humanitec-resource-defs/dns/basic/terraform.tfvars.example

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+credentials = ""
+
+# The name of the zone in which this record set will reside.
+managed_zone = ""
+
+# The DNS name of the managed zone.
+managed_zone_dns_name = ""
+
+prefix                 = ""
+project                = ""
+region                 = ""
+resource_packs_gcp_rev = "ref/heads/main"
+resource_packs_gcp_url = "https://github.com/humanitec-architecture/resource-packs-gcp.git"

humanitec-resource-defs/dns/basic/variables.tf

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+variable "prefix" {
+  type = string
+}
+
+variable "resource_packs_gcp_rev" {
+  type    = string
+  default = "ref/heads/main"
+}
+
+variable "resource_packs_gcp_url" {
+  type    = string
+  default = "https://github.com/humanitec-architecture/resource-packs-gcp.git"
+}
+
+variable "project" {
+  type = string
+}
+
+variable "region" {
+  type = any
+}
+
+variable "credentials" {
+  type = any
+}
+
+variable "managed_zone" {
+  description = "The name of the zone in which this record set will reside."
+  type        = string
+}
+
+variable "managed_zone_dns_name" {
+  description = "The DNS name of the managed zone."
+  type        = string
+}

modules/dns/basic/README.md

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+<!-- BEGIN_TF_DOCS -->
+## Requirements
+
+| Name | Version |
+|------|---------|
+| terraform | >= 1.3.0 |
+| google | ~> 5.10 |
+
+## Providers
+
+| Name | Version |
+|------|---------|
+| google | ~> 5.10 |
+
+## Resources
+
+| Name | Type |
+|------|------|
+| [google_dns_record_set.main](https://registry.terraform.io/providers/hashicorp/google/latest/docs/resources/dns_record_set) | resource |
+
+## Inputs
+
+| Name | Description | Type | Default | Required |
+|------|-------------|------|---------|:--------:|
+| app\_id | n/a | `string` | n/a | yes |
+| credentials | n/a | `string` | n/a | yes |
+| env\_id | n/a | `string` | n/a | yes |
+| managed\_zone | The name of the zone in which this record set will reside. | `string` | n/a | yes |
+| managed\_zone\_dns\_name | The DNS name of the managed zone. | `string` | n/a | yes |
+| project | n/a | `string` | n/a | yes |
+| region | n/a | `string` | n/a | yes |
+| subdomain | The subdomain of the DNS name that the DNS record is for. | `string` | n/a | yes |
+| ip\_address | The IPv4 address that the DNS name should resolve to. | `string` | `""` | no |
+| ipv6\_address | The IPv6 address that the DNS name should resolve to. | `string` | `""` | no |
+| name | A valid fully qualified domain name that the DNS name should resolve to. | `string` | `""` | no |
+
+## Outputs
+
+| Name | Description |
+|------|-------------|
+| host | The DNS name. |
+<!-- END_TF_DOCS -->

modules/dns/basic/main.tf

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+# Disabled due to https://github.com/hashicorp/terraform-provider-google/issues/16832
+# data "google_dns_managed_zone" "main" {
+#   name = var.managed_zone
+# }
+
+locals {
+  types   = ["A", "AAAA", "CNAME"]
+  records = [var.ip_address, var.ipv6_address, var.name]
+  rrdatas = [for r in local.records : r if r != ""]
+
+  # If every record is empty, then the type is A, but this will be caught below.
+  type = local.types[index(local.records, length(local.rrdatas) > 0 ? local.rrdatas[0] : "")]
+}
+
+resource "google_dns_record_set" "main" {
+  # name         = "${var.subdomain}.${data.google_dns_managed_zone.main.dns_name}"
+  # managed_zone = data.google_dns_managed_zone.main.name
+
+  name         = "${var.subdomain}.${var.managed_zone_dns_name}"
+  managed_zone = var.managed_zone
+  type         = local.type
+  ttl          = 300
+
+  rrdatas = local.rrdatas
+
+  lifecycle {
+    precondition {
+      condition     = length(local.rrdatas) > 0
+      error_message = "Only one of ip_address, ipv6_address or name is supported."
+    }
+  }
+}

modules/dns/basic/outputs.tf

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+output "host" {
+  description = "The DNS name."
+  value       = google_dns_record_set.main.name
+}

modules/dns/basic/providers.tf

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+terraform {
+  required_providers {
+    google = {
+      source  = "hashicorp/google"
+      version = "~> 5.10"
+    }
+  }
+
+  required_version = ">= 1.3.0"
+}
+
+provider "google" {
+  project     = var.project
+  region      = var.region
+  credentials = var.credentials
+
+  default_labels = {
+    "managed-by" = "humanitec"
+    "hum-app-id" = var.app_id
+    "hum-env-id" = var.env_id
+  }
+}