chore: use k8s backend for kubernetes resources

stacks/dev/hetzner/terragrunt.hcl

@@ -17,7 +17,7 @@ terraform {
 }
 
 include {
-  path = "../../common.hcl"
+  path = "../../tf-backend.hcl"
 }
 
 inputs = {

stacks/dev/kubernetes/terragrunt.hcl

@@ -17,7 +17,7 @@ terraform {
 }
 
 include {
-  path = "../../common.hcl"
+  path = "../../k8s-backend.hcl"
 }
 
 dependency "hetzner" {

stacks/k8s-backend.hcl

@@ -0,0 +1,36 @@
+# Copyright 2024 Simon Emms <[email protected]>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+locals {
+  workspace = "infra-${basename(dirname(get_terragrunt_dir()))}-${reverse(split("/", get_terragrunt_dir()))[0]}"
+}
+
+inputs = {
+  workspace = local.workspace
+}
+
+# Use Kubernetes backend
+generate "remote_state" {
+  path      = "backend.tf"
+  if_exists = "overwrite_terragrunt"
+  contents  = <<EOF
+terraform {
+  backend "kubernetes" {
+    secret_suffix = "state"
+    config_path = "~/.kube/config"
+    namespace = "kube-system"
+  }
+}
+EOF
+}

stacks/prod/hetzner/terragrunt.hcl

@@ -17,7 +17,7 @@ terraform {
 }
 
 include {
-  path = "../../common.hcl"
+  path = "../../tf-backend.hcl"
 }
 
 inputs = {

stacks/prod/kubernetes/terragrunt.hcl

@@ -17,7 +17,7 @@ terraform {
 }
 
 include {
-  path = "../../common.hcl"
+  path = "../../k8s-backend.hcl"
 }
 
 dependency "hetzner" {

stacks/staging/hetzner/terragrunt.hcl

@@ -12,26 +12,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# Copyright 2024 Simon Emms <[email protected]>
-#
-# Licensed under the Apache gitLicense, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
 terraform {
   source = "../../../modules/${basename(get_terragrunt_dir())}"
 }
 
 include {
-  path = "../../common.hcl"
+  path = "../../tf-backend.hcl"
 }
 
 inputs = {

stacks/common.hcl → stacks/tf-backend.hcl

@@ -18,6 +18,11 @@ locals {
   workspace        = "infra-${basename(dirname(get_terragrunt_dir()))}-${reverse(split("/", get_terragrunt_dir()))[0]}"
 }
 
+inputs = {
+  workspace = local.workspace
+}
+
+# Use Terraform cloud backend
 generate "remote_state" {
   path      = "backend.tf"
   if_exists = "overwrite_terragrunt"
@@ -33,7 +38,3 @@ terraform {
 }
 EOF
 }
-
-inputs = {
-  workspace = local.workspace
-}