main.tf

resource "digitalocean_droplet" "node" {
    image = "ubuntu-20-04-x64"
    name = "${var.hostname}-${var.TF_VAR_chain}"
    region = "lon1"
    size = "s-2vcpu-4gb"
    ssh_keys = flatten([
      var.ssh_fingerprint
    ])
    connection {
        user = "root"
        type = "ssh"
        private_key = "${file(var.pvt_key)}"
        timeout = "2m"
        host = self.ipv4_address
    }
   
    provisioner "remote-exec" {
        inline = [
          "export PATH=$PATH:/usr/bin",
	        "sudo apt-get update",
          "sudo apt-get install -y docker.io",
          "git clone https://github.com/NethermindEth/nethermind.git",
          "cd nethermind/",
          "git checkout ${var.TF_VAR_tag}",
          "sudo sed -i '14s|.*|ExecStart=/usr/bin/dockerd -H fd:// -H tcp://0.0.0.0:4111|' /lib/systemd/system/docker.service",
          "sudo systemctl daemon-reload",
          "sudo systemctl restart docker",
          "docker build -t nethermind .",
          "docker run -itd --network host --name nethermind -v /root/logs:/nethermind/logs nethermind --config ${var.TF_VAR_chain} --JsonRpc.Enabled true --JsonRpc.Host 0.0.0.0 --Metrics.Enabled true --Metrics.NodeName 'SMOKE ${var.TF_VAR_chain} ${var.TF_VAR_tag}' --Metrics.PushGatewayUrl ${var.gateway}",
        ]
    }
}

resource "local_file" "node_ip" {
  content  = "${digitalocean_droplet.node.ipv4_address}"
  filename = "node_ip.txt"
}

output "public_ip" {
  description = "output the public ip of provider instance"
  value = "${digitalocean_droplet.node.ipv4_address}"
}