# 1. 安装 K3S Server（正确官方安装法）
resource "null_resource" "k3s_server" {
  connection {
    type        = "ssh"
    host        = "101.201.78.54"
    user        = "root"
    password    = "Xs261617"
  }

  provisioner "remote-exec" {
    inline = [
      "curl -sfL https://get.k3s.io | sh -",
      "sleep 20"
    ]
  }

  # 每次都重新执行，确保拿最新token
  triggers = {
    always = timestamp()
  }
}

# 2. 从 Server 下载 Token 到本地
resource "null_resource" "get_token" {
  depends_on = [null_resource.k3s_server]

  connection {
    type        = "ssh"
    host        = "101.201.78.54"
    user        = "root"
    password    = "Xs261617"
  }

  provisioner "file" {
    source      = "/var/lib/rancher/k3s/server/node-token"
    destination = "node-token"
  }
}

# 3. 读取本地 Token
data "local_file" "k3s_token" {
  filename = "node-token"
  depends_on = [null_resource.get_token]
}

# 4. 自动安装 Worker 并加入集群
resource "null_resource" "k3s_worker" {
  depends_on = [data.local_file.k3s_token]

  connection {
    type        = "ssh"
    host        = "47.120.61.39"
    user        = "root"
    password    = "Xs261617"
  }

  provisioner "remote-exec" {
    inline = [
      "curl -sfL https://get.k3s.io | K3S_URL=https://101.201.78.54:6443 K3S_TOKEN=${trimspace(data.local_file.k3s_token.content)} sh -"
    ]
  }
}

output "status" {
  value = "✅ K3s 一主一从集群安装完成！"
}