如何使用 Terraform 的文件配置器从本地计算机复制到 VM?

问题描述

我是 Terraform 的新手，到目前为止，我已经成功地在 Azure 上启动并运行了一个基本的 VM(加上资源管理器).我想到的下一个任务是让 Terraform 将文件从我的本地机器复制到新创建的实例中.理想情况下，我追求的是每次运行应用命令时都会复制文件的解决方案.

I'm new to Terraform and have so far managed to get a basic VM (plus Resource Manager trimmings) up and running on Azure. The next task I have in mind is to have Terraform copy a file from my local machine into the newly created instance. Ideally I'm after a solution where the file will be copied each time the apply command is run.

我觉得我已经很接近了，但到目前为止，一旦我申请，我就会得到无尽的仍在创建..."语句(文件是 0kb，所以几分钟后放弃是安全的).

I feel like I'm pretty close but so far I just get endless "Still creating..." statements once I apply (the file is 0kb so after a couple of mins it feels safe to give up).

到目前为止，这就是我所拥有的(基于此代码):https://stackoverflow.com/a/37866044/4941009

So far, this is what I've got (based on this code): https://stackoverflow.com/a/37866044/4941009

网络

resource "azurerm_public_ip" "pub-ip" {
    name = "PublicIp"
    location = "${var.location}"
    resource_group_name = "${azurerm_resource_group.rg.name}"
    public_ip_address_allocation = "Dynamic"
    domain_name_label = "${var.hostname}"
}

虚拟机

resource "azurerm_virtual_machine" "vm" {
  name                  = "${var.hostname}"
  location              = "${var.location}"
  resource_group_name   = "${azurerm_resource_group.rg.name}"
  vm_size               = "${var.vm_size}"
  network_interface_ids = ["${azurerm_network_interface.nic.id}"]

  storage_image_reference {
    publisher = "${var.image_publisher}"
    offer     = "${var.image_offer}"
    sku       = "${var.image_sku}"
    version   = "${var.image_version}"
  }

  storage_os_disk {
    name          = "${var.hostname}osdisk1"
    vhd_uri       = "${azurerm_storage_account.stor.primary_blob_endpoint}${azurerm_storage_container.cont.name}/${var.hostname}osdisk.vhd"
    os_type       = "${var.os_type}"
    caching       = "ReadWrite"
    create_option = "FromImage"
  }

  os_profile {
    computer_name  = "${var.hostname}"
    admin_username = "${var.admin_username}"
    admin_password = "${var.admin_password}"
  }

  os_profile_windows_config {
    provision_vm_agent = true
  }

  boot_diagnostics {
    enabled     = true
    storage_uri = "${azurerm_storage_account.stor.primary_blob_endpoint}"
  }

  tags {
      environment = "${var.environment}"
  }
}

文件配置器

resource "null_resource" "copy-test-file" {

  connection {
    type     = "ssh"
    host     = "${azurerm_virtual_machine.vm.ip_address}"
    user     = "${var.admin_username}"
    password = "${var.admin_password}"
  }

  provisioner "file" {
    source      = "test.txt"
    destination = "/tmp/test.txt"
  }

}

顺便说一句，如果我将不正确的登录详细信息传递给供应商(即在虚拟机创建后重新运行并向供应商提供不同的密码)，行为是相同的.谁能建议我哪里出错了?

As an aside, if I pass incorrect login details to the provisioner (ie rerun this after the VM has already been created and supply a different password to the provisioner) the behaviour is the same. Can anyone suggest where I'm going wrong?

推荐答案

我最终得到了这个工作.老实说，我有点忘记了这个问题，所以我不记得我的确切问题是什么，但下面的示例似乎适用于我的实例:

I eventually got this working. Honestly, I kind of forgot about this question so I can't remember what my exact issue was, the example below though seems to work on my instance:

resource "null_resource" remoteExecProvisionerWFolder {

  provisioner "file" {
    source      = "test.txt"
    destination = "/tmp/test.txt"
  }

  connection {
    host     = "${azurerm_virtual_machine.vm.ip_address}"
    type     = "ssh"
    user     = "${var.admin_username}"
    password = "${var.admin_password}"
    agent    = "false"
  }
}

所以看起来这里唯一的区别是添加了 agent = "false".这是有道理的，因为 Windows 只有一个 SSH 身份验证代理，而且我之前可能没有明确指定使用该代理.然而，很可能我最终在配置的其他地方进行了更改.很抱歉未来的人在这方面没有太多帮助.

So it looks like the only difference here is the addition of agent = "false". This would make some sense as there's only one SSH authentication agent for windows and it's probable I hadn't explicitly specified to use that agent before. However it could well be that I ultimately changed something elsewhere in the configuration. Sorry future people for not being much help on this one.

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