Remove provider aliases from go templates

assets/lokomotive-kubernetes/aws/flatcar-linux/kubernetes/workers/require.tf

@@ -0,0 +1,11 @@
+# Terraform version and plugin versions
+
+terraform {
+  required_version = ">= 0.12.0"
+
+  required_providers {
+    aws      = "2.48.0"
+    ct       = "0.5.0"
+    template = "~> 2.1"
+  }
+}

assets/lokomotive-kubernetes/packet/flatcar-linux/kubernetes/workers/require.tf

@@ -5,9 +5,6 @@ terraform {
 
   required_providers {
     ct       = "= 0.5.0"
-    local    = "~> 1.2"
-    template = "~> 2.1"
-    tls      = "~> 2.0"
     packet   = "~> 2.7.3"
   }
 }

pkg/platform/aws/template.go

@@ -18,14 +18,6 @@ var terraformConfigTmpl = `
 module "aws-{{.Config.ClusterName}}" {
   source = "../lokomotive-kubernetes/aws/flatcar-linux/kubernetes"
 
-  providers = {
-    aws      = aws.default
-    local    = local.default
-    null     = null.default
-    template = template.default
-    tls      = tls.default
-  }
-
   cluster_name = "{{.Config.ClusterName}}"
   tags         = {{.Tags}}
   dns_zone     = "{{.Config.DNSZone}}"
@@ -109,10 +101,6 @@ module "aws-{{.Config.ClusterName}}" {
 module "worker-pool-{{ $index }}" {
   source = "../lokomotive-kubernetes/aws/flatcar-linux/kubernetes/workers"
 
-  providers = {
-    aws      = aws.default
-  }
-
   vpc_id                = module.aws-{{ $.Config.ClusterName }}.vpc_id
   subnet_ids            = flatten([module.aws-{{ $.Config.ClusterName }}.subnet_ids])
   security_groups       = module.aws-{{ $.Config.ClusterName }}.worker_security_groups
@@ -183,7 +171,6 @@ module "worker-pool-{{ $index }}" {
 
 provider "aws" {
   version = "2.48.0"
-  alias   = "default"
 
   region                  = "{{.Config.Region}}"
   {{- if .Config.CredsPath }}
@@ -197,22 +184,18 @@ provider "ct" {
 
 provider "local" {
   version = "1.4.0"
-  alias   = "default"
 }
 
 provider "null" {
   version = "~> 2.1"
-  alias   = "default"
 }
 
 provider "template" {
   version = "~> 2.1"
-  alias   = "default"
 }
 
 provider "tls" {
   version = "~> 2.0"
-  alias   = "default"
 }
 
 # Stub output, which indicates, that Terraform run at least once.

pkg/platform/baremetal/template.go

@@ -18,13 +18,6 @@ var terraformConfigTmpl = `
 module "bare-metal-{{.ClusterName}}" {
   source = "../lokomotive-kubernetes/bare-metal/flatcar-linux/kubernetes"
 
-  providers = {
-    local    = local.default
-    null     = null.default
-    template = template.default
-    tls      = tls.default
-  }
-
   # bare-metal
   cluster_name           = "{{.ClusterName}}"
   matchbox_http_endpoint = "{{.MatchboxHTTPEndpoint}}"
@@ -79,22 +72,18 @@ provider "ct" {
 
 provider "local" {
   version = "1.4.0"
-  alias   = "default"
 }
 
 provider "null" {
   version = "~> 2.1"
-  alias   = "default"
 }
 
 provider "template" {
   version = "~> 2.1"
-  alias   = "default"
 }
 
 provider "tls" {
   version = "~> 2.0"
-  alias   = "default"
 }
 
 # Stub output, which indicates, that Terraform run at least once.

pkg/platform/packet/template.go

@@ -18,14 +18,6 @@ var terraformConfigTmpl = `
 module "packet-{{.Config.ClusterName}}" {
   source = "../lokomotive-kubernetes/packet/flatcar-linux/kubernetes"
 
-  providers = {
-    local    = local.default
-    null     = null.default
-    template = template.default
-    tls      = tls.default
-    packet   = packet.default
-  }
-
   dns_zone    = "{{.Config.DNS.Zone}}"
 
   ssh_keys  = {{.SSHPublicKeys}}
@@ -124,13 +116,6 @@ EOF
 module "worker-{{ $pool.Name }}" {
   source = "../lokomotive-kubernetes/packet/flatcar-linux/kubernetes/workers"
 
-  providers = {
-    local    = local.default
-    template = template.default
-    tls      = tls.default
-    packet   = packet.default
-  }
-
   dns_zone = "{{$.Config.DNS.Zone}}"
 
   ssh_keys  = {{$.SSHPublicKeys}}
@@ -236,12 +221,6 @@ EOF
 module "dns" {
   source = "../lokomotive-kubernetes/dns/{{.Config.DNS.Provider}}"
 
-  {{ if eq .Config.DNS.Provider "route53" -}}
-  providers = {
-    aws = aws.default
-  }
-
-  {{ end -}}
   cluster_name             = "{{ .Config.ClusterName }}"
   controllers_public_ipv4  = module.packet-{{.Config.ClusterName}}.controllers_public_ipv4
   controllers_private_ipv4 = module.packet-{{.Config.ClusterName}}.controllers_private_ipv4
@@ -258,7 +237,6 @@ output "dns_entries" {
 {{- if eq .Config.DNS.Provider "route53" }}
 provider "aws" {
   version = "2.48.0"
-  alias   = "default"
   # The Route 53 service doesn't need a specific region to operate, however
   # the AWS Terraform provider needs it and the documentation suggests to use
   # "us-east-1": https://docs.aws.amazon.com/general/latest/gr/r53.html.
@@ -272,27 +250,22 @@ provider "ct" {
 
 provider "local" {
   version = "1.4.0"
-  alias   = "default"
 }
 
 provider "null" {
   version = "~> 2.1"
-  alias   = "default"
 }
 
 provider "template" {
   version = "~> 2.1"
-  alias   = "default"
 }
 
 provider "tls" {
   version = "~> 2.0"
-  alias   = "default"
 }
 
 provider "packet" {
   version = "~> 2.7.3"
-  alias = "default"
 
   {{- if .Config.AuthToken }}
   auth_token = "{{.Config.AuthToken}}"