# dev: Gitea + Runner + Traefik (git.luke-else.co.uk, cicd.luke-else.co.uk)

# Port sources: services/dev/*docker-compose.yml (published ports) and services/todo.md
# (the documented UFW allow-list). dev has no firewall in docs/architecture.md, but we
# add one anyway for baseline safety - see conversation history.
resource "hcloud_firewall" "this" {
  name = "dev-firewall"

  rule { # server ssh - wired to the vpn server's public IP only, see infra/main.tf
    direction  = "in"
    protocol   = "tcp"
    port       = "22"
    source_ips = var.allowed_ssh_source_ips
  }

  rule { # gitea ssh (git.luke-else.co.uk, published as 222:22)
    direction  = "in"
    protocol   = "tcp"
    port       = "222"
    source_ips = ["0.0.0.0/0", "::/0"]
  }

  rule { # Traefik http/https (git.luke-else.co.uk, cicd.luke-else.co.uk)
    direction  = "in"
    protocol   = "tcp"
    port       = "80"
    source_ips = ["0.0.0.0/0", "::/0"]
  }

  rule {
    direction  = "in"
    protocol   = "tcp"
    port       = "443"
    source_ips = ["0.0.0.0/0", "::/0"]
  }

  rule { # traffic from prod over the private network
    direction  = "in"
    protocol   = "tcp"
    port       = "1-65535"
    source_ips = [var.network_ip_range]
  }

  rule {
    direction  = "in"
    protocol   = "udp"
    port       = "1-65535"
    source_ips = [var.network_ip_range]
  }
}

resource "hcloud_server" "this" {
  name         = "dev"
  server_type  = var.server_type
  image        = var.image
  location     = var.location
  ssh_keys     = [var.ssh_key_id]
  firewall_ids = [hcloud_firewall.this.id]

  network {
    network_id = var.network_id
    ip         = var.private_ip
  }

  connection {
    type        = "ssh"
    host        = self.ipv4_address
    user        = "root"
    private_key = file(var.ssh_private_key_path)
  }

  provisioner "file" {
    content     = var.bootstrap_script
    destination = "/root/bootstrap.sh"
  }

  provisioner "remote-exec" {
    inline = [
      "chmod +x /root/bootstrap.sh",
      "/root/bootstrap.sh",
    ]
  }
}

resource "hcloud_volume" "storage" {
  name      = "dev-storage"
  size      = var.volume_size
  server_id = hcloud_server.this.id
  automount = true
  format    = "ext4"
}