terraform-provider: implement constellation_cluster resource (#2691)

* terraform: move module to legacy-directory

* constellation-lib: refactor service account marshalling

* terraform-provider: normalize Azure image URIs

* constellation-lib: refactor Kubeconfig endpoint rewriting

* terraform-provider: add conversion functions for AWS and GCP

* terraform-provider: implement `constellation_cluster` resource

* terraform-provider: refactor conversion

* terraform-provider: implement image and k8s upgrades

* terraform-provider: fix linter checks

* terraform-provider: refactor to bundle init & upgrade method

* constellation-lib: rewrite Kubeconfig endpoint in init

* terraform-provider: bind logger and dialer constructors to struct

* terraform-provider: move applier to function pointer

* terraform-provider: gcp conversion fixes

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

* terraform-provider: fix Azure UAMI input

* terraform-provider: rename Kubeconfig variable

* terraform-provider: tidy

* terraform-provider: regenerate docs

* constellation-lib: provide Kubeconfig in testing initserver

---------

Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>

terraform/legacy-module/aws-constellation/main.tf

@@ -3,12 +3,11 @@ locals {
 }
 
 module "aws_iam" {
-  source      = "../infrastructure/iam/aws"
+  source      = "../../infrastructure/iam/aws"
   name_prefix = var.name_prefix
   region      = local.region
 }
 
-
 resource "null_resource" "ensure_yq" {
   provisioner "local-exec" {
     command = <<EOT
@@ -29,9 +28,8 @@ module "fetch_image" {
   depends_on          = [module.aws_iam, null_resource.ensure_yq]
 }
 
-
 module "aws" {
-  source                             = "../infrastructure/aws"
+  source                             = "../../infrastructure/aws"
   name                               = var.name
   node_groups                        = var.node_groups
   iam_instance_profile_worker_nodes  = module.aws_iam.worker_nodes_instance_profile

terraform/legacy-module/azure-constellation/main.tf

@@ -18,14 +18,14 @@ module "fetch_image" {
 }
 
 module "azure_iam" {
-  source                 = "../infrastructure/iam/azure"
+  source                 = "../../infrastructure/iam/azure"
   region                 = var.location
   service_principal_name = var.service_principal_name
   resource_group_name    = var.resource_group_name
 }
 
 module "azure" {
-  source                 = "../infrastructure/azure"
+  source                 = "../../infrastructure/azure"
   name                   = var.name
   user_assigned_identity = module.azure_iam.uami_id
   node_groups            = var.node_groups

terraform/legacy-module/gcp-constellation/main.tf

@@ -3,7 +3,7 @@ locals {
 }
 
 module "gcp_iam" {
-  source             = "../infrastructure/iam/gcp"
+  source             = "../../infrastructure/iam/gcp"
   project_id         = var.project
   service_account_id = var.service_account_id
   region             = local.region
@@ -32,7 +32,7 @@ module "fetch_image" {
 
 
 module "gcp" {
-  source          = "../infrastructure/gcp"
+  source          = "../../infrastructure/gcp"
   project         = var.project
   image_id        = module.fetch_image.image
   name            = var.name