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iac/main.tf
2026-02-04 12:29:06 +01:00

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# SSH Key
resource "hcloud_ssh_key" "default" {
name = "${var.server_name}-ssh-key"
public_key = var.ssh_public_key
}
# Cloud-init script
locals {
user_data = templatefile("${path.module}/scripts/cloud-init.sh", {
tailscale_auth_key = var.tailscale_auth_key
username = var.username
ssh_public_key = var.ssh_public_key
})
}
# Server
resource "hcloud_server" "vps" {
name = var.server_name
image = var.image
server_type = data.hcloud_server_type.selected.name
location = data.hcloud_location.selected.name
ssh_keys = concat([hcloud_ssh_key.default.id], var.ssh_keys)
user_data = local.user_data
labels = {
app = "openclaw"
os = "ubuntu24"
virt = "docker"
managed-by = "terraform"
environment = var.environment
}
}
# Firewall – locked down by default
resource "hcloud_firewall" "vps" {
name = "${var.server_name}-firewall"
# ICMP for diagnostics
rule {
direction = "in"
protocol = "icmp"
source_ips = ["0.0.0.0/0", "::/0"]
description = "ICMP (ping)"
}
# Egress – allow all (Hetzner default, but explicit is better)
rule {
direction = "out"
protocol = "tcp"
port = "1-65535"
destination_ips = ["0.0.0.0/0", "::/0"]
description = "All TCP outbound"
}
rule {
direction = "out"
protocol = "udp"
port = "1-65535"
destination_ips = ["0.0.0.0/0", "::/0"]
description = "All UDP outbound"
}
rule {
direction = "out"
protocol = "icmp"
destination_ips = ["0.0.0.0/0", "::/0"]
description = "ICMP outbound"
}
}
resource "hcloud_firewall_attachment" "vps" {
firewall_id = hcloud_firewall.vps.id
server_ids = [hcloud_server.vps.id]
}