Initial hydrogen work

digitalocean/hydrogen.tf

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+resource "digitalocean_droplet" "hydrogen" {
+  image              = "coreos-stable"
+  name               = "hydrogen.bb8.fun"
+  region             = "blr1"
+  size               = "1gb"
+  ipv6               = true
+  private_networking = true
+
+  tags = [
+    "bangalore",
+    "proxy",
+    "hydrogen",
+    "vpn",
+    "monitoring"
+  ]
+
+  user_data = "${ignition_config.hydrogen.rendered}"
+}

digitalocean/ignition.tf

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+data "ignition_config" "hydrogen" {
+  systemd = [
+      "${data.ignition_systemd_unit.hydrogen.id}",
+  ]
+}
+
+data "ignition_systemd_unit" "hydrogen-docker" {
+  name = "docker.service"
+  content = "[Service]\nType=oneshot\nExecStart=/usr/bin/echo Hello World\n\n[Install]\nWantedBy=multi-user.target"
+}

digitalocean/ssh.tf

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+resource digitalocean_ssh_key "default" {
+  name       = "Hydrogen Key"
+  public_key = "${file("/home/nemo/.ssh/hydrogen.pub")}"
+}