nix-community/nixos-anywhere
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add --build-on-remote flag

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lassulus 2023-04-21 16:39:31 +02:00
parent ad954defb3
commit dc27d00293
1 changed files with 25 additions and 3 deletions
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src/nixos-anywhere.sh
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@ -30,6 +30,8 @@ Options:
nix option to pass to every nix related command
* --from store-uri
URL of the source Nix store to copy the nixos and disko closure from
* --build-on-remote
build the closure on the remote machine instead of locally and copy-closuring it
USAGE
}
@ -109,6 +111,9 @@ while [[ $# -gt 0 ]]; do
--no-substitute-on-destination)
substitute_on_destination=n
;;
--build-on-remote)
build_on_remote=y
;;
*)
if [[ -z ${ssh_connection-} ]]; then
@ -145,7 +150,7 @@ nix_copy() {
"$@"
}
nix_build() {
nix build \
NIX_SSHOPTS="-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -i $ssh_key_dir/nixos-anywhere" nix build \
--print-out-paths \
--no-link \
"${nix_options[@]}" \
@ -173,8 +178,10 @@ if [[ -n ${flake-} ]]; then
echo 'For example, to use the output nixosConfigurations.foo from the flake.nix, append "#foo" to the flake-uri.' >&2
exit 1
fi
disko_script=$(nix_build "${flake}#nixosConfigurations.\"${flakeAttr}\".config.system.build.disko")
nixos_system=$(nix_build "${flake}#nixosConfigurations.\"${flakeAttr}\".config.system.build.toplevel")
if [[ ${build_on_remote-n} == "n" ]]; then
disko_script=$(nix_build "${flake}#nixosConfigurations.\"${flakeAttr}\".config.system.build.disko")
nixos_system=$(nix_build "${flake}#nixosConfigurations.\"${flakeAttr}\".config.system.build.toplevel")
fi
elif [[ -n ${disko_script-} ]] && [[ -n ${nixos_system-} ]]; then
if [[ ! -e ${disko_script} ]] || [[ ! -e ${nixos_system} ]]; then
abort "${disko_script} and ${nixos_system} must be existing store-paths"
@ -293,6 +300,14 @@ for path in "${!disk_encryption_keys[@]}"; do
ssh_ "umask 077; cat > $path" <"${disk_encryption_keys[$path]}"
done
pubkey=$(ssh-keyscan -t ed25519 "${ssh_connection//*@/}" 2>/dev/null | sed -e 's/^[^ ]* //' | base64 -w0)
if [[ -n ${disko_script-} ]] && [[ ${build_on_remote-n} == "y" ]]; then
disko_script=$(
nix_build "${flake}#nixosConfigurations.\"${flakeAttr}\".config.system.build.disko" \
--builders "ssh://$ssh_connection?base64-ssh-public-host-key=$pubkey&ssh-key=$ssh_key_dir/nixos-anywhere $is_arch-linux"
)
fi
nix_copy --to "ssh://$ssh_connection" "$disko_script"
ssh_ "$disko_script"
@ -303,7 +318,14 @@ if [[ ${stop_after_disko-n} == "y" ]]; then
exit 0
fi
if [[ -n ${nixos_system-} ]] && [[ ${build_on_remote-n} == "y" ]]; then
nixos_system=$(
nix_build "${flake}#nixosConfigurations.\"${flakeAttr}\".config.system.build.toplevel" \
--builders "ssh://$ssh_connection?remote-store=local?root=/mnt&base64-ssh-public-host-key=$pubkey&ssh-key=$ssh_key_dir/nixos-anywhere $is_arch-linux"
)
fi
nix_copy --to "ssh://$ssh_connection?remote-store=local?root=/mnt" "$nixos_system"
if [[ -n ${extra_files-} ]]; then
if [[ -d $extra_files ]]; then
extra_files="$extra_files/"