59 lines
2 KiB
Nix
59 lines
2 KiB
Nix
let
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sources = import ./nix/sources.nix;
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pkgs = import sources.nixpkgs { };
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nix-pre-commit-hooks = import sources."pre-commit-hooks.nix";
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pre-commit-check = nix-pre-commit-hooks.run {
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src = ./.;
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hooks = {
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nixpkgs-fmt.enable = true;
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};
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};
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scripts = {
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update-sources = ''
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set -e
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git diff --exit-code -s nix/sources.json || (echo "File nix/sources.json has unstaged changes, refusing to update." >&2 && exit 1)
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git diff --cached --exit-code -s nix/sources.json || (echo "File nix/sources.json has staged changes, refusing to update." >&2 && exit 1)
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niv update
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git diff --exit-code -s nix/sources.json && echo "Already up to date." && exit 0
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git commit -m "Update sources" nix/sources.json
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'';
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deploy = ''
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set -e
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# If a deployment to localhost introduces an evaluation error, future
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# deployments will fail since the overlay compat can’t parse the
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# configuration. Overlays aren’t needed to build the krops deploy script.
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export NIX_PATH="$(sed 's/:nixpkgs-overlays=[^:]*//' <<< "$NIX_PATH")"
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$(nix-build --no-out-link deploy.nix -A "$1")
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'';
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unlock = ''
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set -eo pipefail
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machine="$1"
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hostname="$(nix-instantiate --eval --json machines -A "$1".target | ${pkgs.jq}/bin/jq -r . | cut -d@ -f2)"
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# opening luks fails if gpg-agent is not unlocked yet
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pass "devices/$machine/luks" >/dev/null
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ssh \
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-oStrictHostKeyChecking=no \
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-oGlobalKnownHostsFile=<(echo "[$hostname]:2222 ssh-ed25519 $(ssh-keygen -l -f <(ssh-keygen -y -f<(pass "nixos/machines/$machine/initrd-ssh-host-key")) | cut -d' ' -f2)") \
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-4 \
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-p 2222 \
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"root@$hostname" \
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"cat > /crypt-ramfs/passphrase" < <(pass "devices/$machine/luks")
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'';
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};
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in
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pkgs.mkShell {
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buildInputs = (with pkgs; [
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git
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niv
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nixpkgs-fmt
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]) ++ (pkgs.lib.mapAttrsToList pkgs.writeShellScriptBin scripts);
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shellHook = ''
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${pre-commit-check.shellHook}
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'';
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}
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