# OpenTofu 小王 - 客户端配置部署
terraform {
  required_providers {
    null = {
      source = "registry.opentofu.org/hashicorp/null"
      version = "3.2.4"
    }
  }
}

# 6个客户端节点列表
variable "client_nodes" {
  type = list(string)
  default = [
    "hcp1",
    "influxdb", 
    "ash3c",
    "ch4",
    "warden",
    "browser"
  ]
}

# 为每个客户端节点生成配置文件
resource "local_file" "client_configs" {
  for_each = toset(var.client_nodes)
  
  filename = "${path.module}/generated/${each.key}-client.hcl"
  content = replace(
    file("${path.module}/../nomad-configs-tofu/client-template.hcl"),
    "NODE_NAME",
    each.key
  )
}

# 部署配置到每个客户端节点
resource "null_resource" "client_deploy" {
  for_each = toset(var.client_nodes)
  
  depends_on = [local_file.client_configs]
  
  provisioner "local-exec" {
    command = <<EOF
echo "=== 部署客户端配置到 ${each.key} ==="
echo "开始时间: $(date)"

echo "1. 测试连接 ${each.key}..."
ping -c 1 ${each.key}.tailnet-68f9.ts.net || echo "   - ${each.key} ping 失败"

echo "2. 上传配置文件..."
sshpass -p '3131' scp -o StrictHostKeyChecking=no -o ConnectTimeout=5 \
  ${path.module}/generated/${each.key}-client.hcl \
  ben@${each.key}.tailnet-68f9.ts.net:/tmp/nomad-new.hcl && echo "   - 文件上传成功" || echo "   - 文件上传失败"

echo "3. 部署配置并重启服务..."
sshpass -p '3131' ssh -o StrictHostKeyChecking=no -o ConnectTimeout=5 \
  ben@${each.key}.tailnet-68f9.ts.net \
  "echo '=== ${each.key} 客户端配置部署开始 ==='; \
   echo '3131' | sudo -S systemctl stop nomad; \
   echo '备份旧配置...'; \
   echo '3131' | sudo -S cp /etc/nomad.d/nomad.hcl /etc/nomad.d/nomad.hcl.backup.\$(date +%Y%m%d_%H%M%S) 2>/dev/null || true; \
   echo '替换配置文件...'; \
   echo '3131' | sudo -S cp /tmp/nomad-new.hcl /etc/nomad.d/nomad.hcl; \
   echo '启动服务...'; \
   echo '3131' | sudo -S systemctl start nomad; \
   sleep 5; \
   echo '检查服务状态...'; \
   echo '3131' | sudo -S systemctl status nomad --no-pager; \
   echo '=== ${each.key} 部署完成 ==='" && echo "   - ${each.key} 部署成功" || echo "   - ${each.key} 部署失败"

echo "=== ${each.key} 配置部署完成！时间: $(date) ==="
EOF
  }
  
  triggers = {
    config_hash = local_file.client_configs[each.key].content_md5
    deploy_time = timestamp()
  }
}

output "deployment_summary" {
  value = {
    client_nodes = var.client_nodes
    config_files = [for node in var.client_nodes : "${node}-client.hcl"]
    deploy_time = timestamp()
  }
}