infrastructure/scripts/cache-node.sh
Ryan Lahfa e89ed2d0e7
feat(hive): ensure purity of cache-node.sh
Signed-off-by: Ryan Lahfa <ryan@dgnum.eu>
2024-12-08 15:24:40 +01:00

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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 "$system_type" in
nixos)
toplevel_path="config.system.build.toplevel"
;;
zyxel-nwa50ax)
toplevel_path="config.system.outputs.zyxel-nwa-fit"
;;
*)
echo "Unsupported system type '$system_type' for caching; add an entry in 'scripts/cache-node.sh'"
exit 1
;;
esac
drv=$(colmena eval --instantiate -E "{ nodes, ... }: nodes.${BUILD_NODE}.${toplevel_path}" --show-trace)
# Build the derivation and send it to the great beyond
nix-store --query --requisites --force-realise --include-outputs "$drv" | grep -v '.*\.drv' >paths.txt
if [ "$STORE_PASSWORD" == "" ]; then
echo "No password given for the remote cache, uploading cannot take place."
exit 0
fi
cat <<EOF >.netrc
default
login $STORE_USER
password $STORE_PASSWORD
EOF
nix copy \
--extra-experimental-features nix-command \
--to "$STORE_ENDPOINT?compression=none" \
--netrc-file .netrc \
"$(nix-store --realise "$drv")"
rm .netrc