Cannot VirtualBox to find my preseed file - How does preseed files work with Packer

[Savage Hacker]

Hello everyone,

I'm newbie to packer, I'm trying to install Ubuntu Os in virtualbox. Unfortunately, when I go to boot try and use my preseed file I get the error message above. Could not find kernel image: preseed/url=http:/<some I.P address>ubuntu<preseed file>.

By the way this is all being done by Packer, starting the VM up until when the error message occurs
Below is my template.json

 {
    "builders": [
      {
        "type": "virtualbox-iso",
        "vm_name": "{{ user `alias` }}",
        "vboxmanage": [          
            [ "modifyvm", "{{.Name}}", "--cpus", "1" ],
            [ "modifyvm", "{{.Name}}", "--memory", "2048" ],
            [ "modifyvm", "{{.Name}}", "--clipboard", "bidirectional" ],            
            [ "modifyvm", "{{.Name}}", "--draganddrop", "bidirectional" ],
            [ "modifyvm", "{{.Name}}", "--boot3", "disk" ],
            [ "modifyvm", "{{.Name}}", "--audio", "none" ],  
            [ "modifyvm", "{{.Name}}", "--nic1", "intnet" ],  
            [ "modifyvm", "{{.Name}}", "--nic2", "null" ]
          ],
        "guest_os_type": "Ubuntu_64",
        "iso_url": "{{ user `iso_url` }}",
        "iso_checksum": "{{ user `iso_checksum` }}",
        "iso_checksum_type": "md5",
        "disk_size": "{{ user `disk_size` }}",
        "ssh_username": "{{ user `ssh_username` }}",
        "ssh_password": "{{ user `ssh_password` }}",
        "ssh_timeout": "{{ user `ssh_timeout` }}",
        "guest_additions_mode": "attach",
        "headless": "{{ user `headless` }}",
        "http_directory": "http",
        "boot_wait": "5s",
        "boot_command": [
          "<enter><wait5>",
          "<esc><enter><wait5>",
          "preseed/url=http://{{.HTTPIP}}:{{.HTTPPort}}/ubuntu/{{user `preseed_file`}} ",
          "<enter>"
        ],
        "shutdown_command": "echo 'packer' | sudo -S shutdown -P now"
      }
    ],
    "post-processors": [
      {
        "type": "vagrant",
        "output": "C:/Users/{import/automation/packer/boxes/ubuntu/{{ user `box_name` }}.box"
      }
    ],
    "variables": {
      "headless": "false",
      "iso_checksum": "{{ user `iso_checksum` }}",
      "iso_url": "{{ user `iso_url` }}",
      "disk_size": "256000",
      "alias": "packervm",
      "box_name": "ubuntu_custom",
      "ssh_timeout": "10m",
      "ssh_username": "{{ user `ssh_username` }",
      "ssh_password": "packer",
      "preseed_file":"{{user `preseed_file1`}}"
    }
  }

This is my file directory structure in case

What's the problem and how to retrive the preseed file?

[Alvaro Miranda Aguilera]

hello

can you check this for reference?

https://github.com/cbednarski/packer-ubuntu/blob/master/1604-min.json

Alvaro

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Alvaro

[Savage Hacker]

Hey Alvaro,
I looked into but I am not understanding how that helps me with my problem?

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Alvaro

[Alvaro Miranda Aguilera]

you can start with that and see where is different and find the error.

or you could share yours and I can have a look.

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Alvaro

[Rickard von Essen]

Your boot command is incorrect. A correct boot line doesn't look like that. 

It's very hard to create a install from scratch. I always suggest that you start from a known good template such as the one Alvaro suggests or Bento *)

*) https://github.com/chef/bento/blob/master/ubuntu/ubuntu-18.04-amd64.json 

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[Savage Hacker]

Hey Alvaro,
I really can't share aside from what I have shown for reasons I can't explain. However, I did try to substituting my boot commands with the boot commands found at the GitHub and my preseed didn't even work. By that I mean my vm was waiting for some answers and instead of my preseed file answering them. I am not entirely sure what does boot commands mean or do if they are applicable. Like I said, I am new Packer.

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Alvaro

[Rickard von Essen]

Also see my answer to your question on stackoverflow, https://stackoverflow.com/questions/50632292/cannot-virtualbox-to-find-my-preseed-file-how-does-preseed-files-work-with-pac

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