使用 Terraform 在 EC2 Windows 实例中初始化 EBS 卷 [英] Initializing EBS Volume in EC2 Windows Instance using Terraform

问题描述

我有一个自定义的 Windows AMI，每当我使用它创建一个新实例时，我都想根据要求自动初始化一个额外的驱动器.我正在尝试使用 Terraform 执行此操作.

I have a custom windows AMI and whenever i create a new Instance using it I want to Initialize an additional drive automatically depending on the requirements. I am trying to do this using Terraform.

我正在获取驱动器，但必须手动对其进行初始化.

I am getting the drive but had to manually initialize it.

创建和 ec2 实例并附加卷.

create and ec2 instance and attach volume.

resource "aws_instance" "example" {
  ami           = "ami-098792953bbd38e18"
  instance_type = "t2.micro"

}

resource "aws_ebs_volume" "ebs-volume-1" {
    availability_zone = "eu-west-1a"
    size = 160
    type = "st1"
    tags {
        Name = "more volume"
    }
}

resource "aws_volume_attachment" "ebs-volume-1-attachment" {
  device_name = "/dev/sdf"
  volume_id = "${aws_ebs_volume.ebs-volume-1.id}"
   instance_id = "${aws_instance.example.id}"
}

推荐答案

我在 Ubuntu 18 上做这个，所以你必须修改但把它放在这里，因为这不是显而易见的 imo.

I'm doing this on Ubuntu 18 so you will have to modify but putting this here because this is non-obvious imo.

### instance.tf

resource "aws_instance" "main" {
  user_data = data.local_file.user_data
  # ...
}

### user_data.sh

DEVICE="/dev/xvdf"

# Get device id
DEVICE_FS=`sudo lsblk -o UUID -d ${DEVICE} -n`

# Create a file system on the volume if one does not already exist
 if [ "`echo -n $DEVICE_FS`" == "" ] ; then
         mkfs.ext4 ${DEVICE}
 fi

# Create a mount point directory
 sudo mkdir /data

# Backup fstab
 sudo cp /etc/fstab /etc/fstab.orig

# Setup auto mount on reboot
 echo "UUID=${DEVICE_FS} /data xfs defaults,nofail 0 2" | sudo tee -a /etc/fstab

# Unmount
 sudo umount /data

# Mount and exit on error
 sudo mount -a
 if [ $? -eq 0 ]
 then
    echo "Mounted"
 else
    exit 1
 fi

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