infrastructure/scripts/cache-node.sh

# SPDX-FileCopyrightText: 2024 Ryan Lahfa <ryan.lahfa@dgnum.eu>
# SPDX-FileCopyrightText: 2024 Tom Hubrecht <tom.hubrecht@dgnum.eu>
#
# SPDX-License-Identifier: EUPL-1.2

set -o errexit
set -o nounset
set -o pipefail
shopt -s lastpipe

# Remove the `nixpkgs=` default input.
export NIX_PATH="nixpkgs="

system_type="$(colmena eval -E "{ nodes, ... }: nodes.${BUILD_NODE}.config.deployment.systemType" --show-trace)"
# Get rid of surrounding quotes.
system_type="${system_type%\"}"
system_type="${system_type#\"}"

case "$system_type" in
  nixos)
    toplevel_path="config.system.build.toplevel"
    ;;
  zyxel-nwa50ax)
    toplevel_path="config.system.outputs.zyxel-nwa-fit"
    ;;
  netconf)
    toplevel_path="config.netconf.rpc"
    ;;
  *)
    echo "Unsupported system type '$system_type' for caching; add an entry in 'scripts/cache-node.sh'"
    exit 1
    ;;
esac

drv=$(colmena eval --instantiate -E "{ nodes, ... }: nodes.${BUILD_NODE}.${toplevel_path}" --show-trace)

# Build the derivation and send it to the great beyond
push-to-cache "$(nix-store --realise "$drv")"