Merge pull request #1150 from vafgoettlich/master

Added basic tofu support

Author: mysticaltech

README.md

@@ -70,10 +70,10 @@ Follow those simple steps, and your world's cheapest Kubernetes cluster will be
 
 First and foremost, you need to have a Hetzner Cloud account. You can sign up for free [here](https://hetzner.com/cloud/).
 
-Then you'll need to have [terraform](https://learn.hashicorp.com/tutorials/terraform/install-cli), [packer](https://developer.hashicorp.com/packer/tutorials/docker-get-started/get-started-install-cli#installing-packer) (for the initial snapshot creation only, no longer needed once that's done), [kubectl](https://kubernetes.io/docs/tasks/tools/) cli and [hcloud](https://github.com/hetznercloud/cli) the Hetzner cli for convenience. The easiest way is to use the [homebrew](https://brew.sh/) package manager to install them (available on Linux, Mac, and Windows Linux Subsystem).
+Then you'll need to have [terraform](https://learn.hashicorp.com/tutorials/terraform/install-cli) or [tofu](https://opentofu.org/docs/intro/install/), [packer](https://developer.hashicorp.com/packer/tutorials/docker-get-started/get-started-install-cli#installing-packer) (for the initial snapshot creation only, no longer needed once that's done), [kubectl](https://kubernetes.io/docs/tasks/tools/) cli and [hcloud](https://github.com/hetznercloud/cli) the Hetzner cli for convenience. The easiest way is to use the [homebrew](https://brew.sh/) package manager to install them (available on Linux, Mac, and Windows Linux Subsystem).
 
 ```sh
-brew install terraform
+brew install terraform # or brew install opentofu
 brew install packer
 brew install kubectl
 brew install hcloud

scripts/cleanup.sh

@@ -10,6 +10,16 @@ command -v hcloud >/dev/null 2>&1 || { echo "hcloud (Hetzner CLI) is not install
 echo "You can do so by running 'hcloud context create <cluster_name>' and inputting your HCLOUD_TOKEN."
 echo " "
 
+if command -v tofu >/dev/null 2>&1 ; then
+    terraform_command=tofu
+elif command -v terraform >/dev/null 2>&1 ; then
+    terraform_command=terraform
+else
+    echo "terraform or tofu is not installed. Install it with 'brew install terraform' or 'brew install opentofu'."
+    exit 1
+fi
+
+
 # Try to guess the cluster name
 GUESSED_CLUSTER_NAME=$(grep -oP 'cluster_name\s*=\s*"\K([^"]+)' kube.tf)
 
@@ -52,7 +62,7 @@ fi
 
 HCLOUD_SELECTOR=(--selector='provisioner=terraform' --selector="cluster=$CLUSTER_NAME")
 HCLOUD_OUTPUT_OPTIONS=(-o noheader -o 'columns=id')
-NODEPOOLS=( $(terraform state list | grep -oP 'module.kube-hetzner.data.hcloud_servers.autoscaled_nodes\["\K([^"]+)') )
+NODEPOOLS=( $(${terraform_command} state list | grep -oP 'module.kube-hetzner.data.hcloud_servers.autoscaled_nodes\["\K([^"]+)') )
 
 VOLUMES=()
 while IFS='' read -r line; do VOLUMES+=("$line"); done < <(hcloud volume list "${HCLOUD_SELECTOR[@]}" "${HCLOUD_OUTPUT_OPTIONS[@]}")

scripts/create.sh

@@ -5,10 +5,16 @@ command -v ssh >/dev/null 2>&1 || {
     echo "openssh is not installed. Install it with 'brew install openssh'."
     exit 1
 }
-command -v terraform >/dev/null 2>&1 || {
-    echo "terraform is not installed. Install it with 'brew install terraform'."
+
+if command -v tofu >/dev/null 2>&1 ; then
+    terraform_command=tofu
+elif command -v terraform >/dev/null 2>&1 ; then
+    terraform_command=terraform
+else
+    echo "terraform or tofu is not installed. Install it with 'brew install terraform' or 'brew install opentofu'."
     exit 1
-}
+fi
+
 command -v packer >/dev/null 2>&1 || {
     echo "packer is not installed. Install it with 'brew install packer'."
     exit 1
@@ -72,4 +78,4 @@ fi
 echo " "
 echo "Remember, don't skip the hcloud cli, to activate it run 'hcloud context create <project-name>'. It is ideal to quickly debug and allows targeted cleanup when needed!"
 echo " "
-echo "Before running 'terraform apply', go through the kube.tf file and fill it with your desired values."
+echo "Before running '${terraform_command} apply', go through the kube.tf file and fill it with your desired values."