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Create Orka Images via Packer

Requirements

  • Packer
  • Vault
  • Orka VPN

Files

  • install.sh The script that does the software installs on the image
  • orka-macos-13-arm.pkr.hcl The packer definition for a MacOS 13 ARM builder image

Set Up Packer

If you haven't run these before, run the following once so packer downloads the vault integration:

packer init orka-macos-13-arm.pkr.hcl

Build

Make sure you are connected to the Orka VM.

Packer requires access to secrets in vault, where VAULT_ADDR=https://vault-ci-prod.elastic.dev and VAULT_TOKEN must be set appropriately in the environment.

Run the following to create the image (MacOS 13 ARM in this example):

packer build orka-macos-13-arm.pkr.hcl

Versioning

The name of the resulting images are hard-coded (currently), and end in a sequence number (e.g., 001). When creating a new image, bump the sequence number, otherwise you won't be able to create an image if it already exists.

Source Images

We make use of an image - generic-13-ventura-arm-002.orkasi - that is configured such that it:

* Adds passwordless `sudo` for the default `admin` user
* Configures `the admin` user to be automatically logged in
* Installs Xcode command line tools version 14 (by running `clang++ --version` and clicking through the dialogues)

The generic image has the following packages installed:

  • brew 4.0.28
  • vault 1.14.0
  • python3 3.10.8
  • jq 1.6
  • orka-vm-tools
  • Google Cloud SDK into ~admin/google-cloud-sdk/
  • gobld-bootstrap.sh script to run at system startup
    • This script pulls down and runs another script from a static location to do the following:
      • Unseal one-time vault token from gobld
      • Install and run the latest buildkite-agent

Packer Install Steps

The ML packer scripts do the following:

  • Install JDK 11.0.25
  • Install CMake 3.30.5
  • Install Boost 1.86.0 from source
  • Install PyTorch 2.7.1 from source

Caveats

  • As of version 9.0.0 support for macos x86_64 builds has been dropped. It is necessary to checkout and work on previous branches in order to maintain x86_64 Orka VMs.