INDEX

2024-02-22 12:20 - Hashicorp Testing

Going to be testing things like Packer and Vagrant to automate some of the VM work I've done
	# Wrote a compose file wtih hashicorp/packer:latest
	# Defaults to running packer so need to pass in arguments
	docker compose run packer version # Run commands from docker

	# Copied sample packer file from tutorials/docker-get-started
	# Set "working_dir: /data" in compose to run in a specific folder, with the packer files
	packer init . # Seems to install plugins - needs container to be persistent

Need to have the image be persisent or next steps won't work
Changed compose file to use "command: tail -F /dev/null" - old entrypoint is "bin/packer"
	# (in) compose.yml
	entrypoint: "/bin/sh"
	command: tail -F /dev/null

	docker compose up -d
	docker compose exec packer sh -c "COMMAND" # Run commands this way as entrypoint empty

	packer fmt . # Check formatting of files
	packer validate . # Check script works (requires init to have been run)

	packer build FILE # Builds a certain image - not working currently
	# Likely failing as docker is not itself running in docker - will try another kind of image

If I make a qcow2 file I can essentially make arbitrary cloud images for other projects
	# Requires the qemu plugin "github.com/hashicorp/qemu" - then reinit
	# Again just testing the demo script from dev docs: qemu/latest/components/builder/qemu
	# This image is alpine to how can I install qemu
	apk search qemu # For future reference
	apk install qemu qemu-img qemu-system-x84_64 # Install required packages
	
	# Now the build command actually runs (will need a Dockerfile to automate) but fails after
	# Downloading from http://debian-iso.mirror.anlx.net/current/amd64/iso-cd/ instead
	# Seems to download file but fails to run qemu - I imagine due to being in docker
	PACKER_LOG=1 ... # Runs with full logging - need to see how to run qemu in docker

I think what I need to do is make a dockerfile based on the qemu image then add packer to it
Testing by running https://github.com/qemus/qemu-docker - uses novnc which seems way better
If I use this same container to try out packer it should work as I want
Combining this with packer docker image to install packer properly

Seems like trying to download packer in debian sid is a pain - just going to get binary file
Okay now packer is installed strip the codebase of everything unrelated
	docker compose build 
	docker compose run -it qemu /bin/bash
	packer init .; packer build .

Okay it fully builds and works now but "waiting for SSH to become available"
Maybe I should try connecting to vnc - exposed vnc port - seeing if that works

Running with new build script from wiki.alpinelinux.org
Seems to fail to even run the "root" command - try running without that
Trying: https://github.com/hashicorp/packer-plugin-qemu/blob/main/example/source.pkr.hcl