boot_steps fail to expand {{ .HTTPIP }} and {{ .HTTPPort }}

[jacob-carlborg]

Overview of the Issue

If {{ .HTTPIP }} or {{ .HTTPPort }} are used in boot_steps they will not be expanded. When Packer is supposed to type the IP address or port, it instead outputs <no value>.

Looks like I missed something when I implemented boot_steps in #103.

Reproduction Steps

Use {{ .HTTPIP }} or {{ .HTTPPort }} in boot_steps.

Plugin and Packer version

boot_steps was added in packer-plugin-qemu 1.0.7.

Simplified Packer Buildfile

Partial build file of NetBSD:

boot_steps = [
  ["a<enter><wait5>", "Installation messages in English"]
  ["a<enter><wait5>", "Keyboard type: unchanged"],
  ["e<enter><wait5>", "Utility menu"],
  ["a<enter><wait5>", "Run /bin/sh"],

  ["{{.HTTPIP}}:{{.HTTPPort}}"],
]

[lbajolet-hashicorp]

Hi @jacob-carlborg,

Sorry I missed that one, I'm surprised it happens as it would be the interpolate.Render call that takes care of that, but based on your experience, it looks like something else's missing.

I'm also able to replicate the problem locally, so it does look like a bug to fix.

I'll investigate, once I figure out what's happening and I can submit a fix, we can release a new version of the plugin.

Thanks for signalling this to us!

[lbajolet-hashicorp]

Well that was an easier fix than expected :)

We'll release v1.0.8 of the plugin, either today or Monday at the latest, you should have this fixed on the latest main if you want to spin a test @jacob-carlborg.

Thanks again for signalling this bug!

[jacob-carlborg]

@lbajolet-hashicorp Awesome, thanks. I've been banging my head against the wall with this bug for a while now.

[jacob-carlborg]

@lbajolet-hashicorp I've tried your fix and can confirm it's now working. Thanks again.