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feat(ops/terraform/deploy-nixos): add outPath output parameter

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We already did all the instantiation, grabbing the calculated output
path too is cheap.

Change-Id: Id591865c65159409da739f706a9de29a9f50456a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11214
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
Autosubmit: flokli <flokli@flokli.de>
This commit is contained in:
Florian Klink 2024-03-20 15:28:02 +02:00 committed by clbot
parent fe6ae58ba5
commit 982da2f3ea
1 changed files with 5 additions and 1 deletions
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6
ops/terraform/deploy-nixos/nix-eval.sh
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@ -27,8 +27,12 @@ eval "$(jq -r '@sh "attrpath=\(.attrpath) && entrypoint=\(.entrypoint) && argstr
# shellcheck disable=SC2086,SC2154
drv=$(nix-instantiate -A "${attrpath}" "${entrypoint}" ${argstr})
# Determine the output path.
outPath=$(nix show-derivation "${drv}" | jq -r ".\"${drv}\".outputs.out.path")
# Return a JSON back to stdout.
# It contains the following keys:
#
# - `drv`: the store path of the Derivation that has been instantiated.
jq -n --arg drv "$drv" '{"drv":$drv}'
# - `outPath`: the output store path.
jq -n --arg drv "$drv" --arg outPath "$outPath" '{"drv":$drv, "outPath":$outPath}'