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make nixos.nix reusable rather than opinionated

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Signed-off-by: Kiara Grouwstra <kiara@procolix.eu>
This commit is contained in:
Kiara Grouwstra 2025-09-22 22:00:43 +02:00
parent ba95bae430
commit 688c5b2633
2 changed files with 7 additions and 13 deletions
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10
deployment/nixos.nix
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@ -11,15 +11,9 @@ let
};
modules = [ configuration ];
};
toplevel =
{
in
{
inherit (eval) pkgs config options;
system = eval.config.system.build.toplevel;
inherit (eval.config.system.build) vm vmWithBootLoader;
}
.config.system.build.toplevel;
in
{
drv_path = toplevel.drvPath;
out_path = toplevel;
}

8
deployment/run/ssh-single-host/run.sh
View file

@ -24,13 +24,13 @@ command=(nix-instantiate --show-trace "${nixos_conf}")
# INSTANTIATE
# instantiate the config in /nix/store
"${command[@]}" -A out_path
"${command[@]}" -A config.system.build.toplevel
# get the realized derivation to deploy
"${command[@]}" --show-trace --eval --strict --json
# get the realized derivation so we can deploy it
"${command[@]}" -A config.system.build.toplevel --eval --strict --json
# FIXME explore import/readFile as ways to instantiate the derivation, potentially allowing to realize the store path up-front from Nix?
outPath=$(nix-store --realize "$("${command[@]}" --show-trace --eval --strict --json | jq -r '.drv_path')")
outPath=$(nix-store --realize "$("${command[@]}" -A config.system.build.toplevel.drvPath --eval --strict --json | jq -r '.')")
# deploy the config by nix-copy-closure
NIX_SSHOPTS="${sshOpts[*]}" nix-copy-closure --to "$destination" "$outPath" --gzip --use-substitutes
# switch the remote host to the config