ada564c1ea
Avoid adding flake resource paths to the store (via string interpolation). This reduces performance and can lead to modules getting imported twice, once through a local path and once through a store path. This might not be needed in a future Nix release, in which case we can revert this.
59 lines
1.6 KiB
Nix
59 lines
1.6 KiB
Nix
nix-bitcoin: pkgs: system:
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rec {
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inherit (nix-bitcoin.inputs) nixpkgs;
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mkVMScript = vm: pkgs.writers.writeBash "run-vm" ''
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set -euo pipefail
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export TMPDIR=$(mktemp -d /tmp/nix-bitcoin-vm.XXX)
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trap 'rm -rf $TMPDIR' EXIT
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export NIX_DISK_IMAGE=$TMPDIR/nixos.qcow2
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# shellcheck disable=SC2211
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QEMU_OPTS="-smp $(nproc) -m 1500" ${vm}/bin/run-*-vm
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'';
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vm = (import (nixpkgs + "/nixos") {
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inherit system;
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configuration = { config, lib, modulesPath, ... }: {
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imports = [
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nix-bitcoin.nixosModules.default
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(nix-bitcoin + "/modules/presets/secure-node.nix")
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(modulesPath + "/virtualisation/qemu-vm.nix")
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];
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virtualisation.graphics = false;
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nix-bitcoin.generateSecrets = true;
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services.clightning.enable = true;
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# For faster startup in offline VMs
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services.clightning.extraConfig = "disable-dns";
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# Avoid lengthy build of the nixos manual
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documentation.nixos.enable = false;
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nixpkgs.pkgs = pkgs;
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services.getty.autologinUser = "root";
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nix.nixPath = [ "nixpkgs=${nixpkgs}" ];
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services.getty.helpLine = lib.mkAfter ''
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Welcome to nix-bitcoin!
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To explore running services, try the following commands:
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- nodeinfo
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- systemctl status bitcoind
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- systemctl status clightning
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'';
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# Power off VM when the user exits the shell
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systemd.services."serial-getty@".preStop = ''
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echo o >/proc/sysrq-trigger
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'';
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system.stateVersion = lib.mkDefault config.system.nixos.release;
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};
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}).config.system.build.vm;
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runVM = mkVMScript vm;
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}
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