Add a role for mounting the nix store over 9pfs.

This is useful for virtual machines since we can have a persistent /nix/store on the host machine.
This commit is contained in:
Tom Alexander
2025-05-10 16:57:19 -04:00
parent 158188c4c6
commit e65504b5f3
13 changed files with 272 additions and 158 deletions

View File

@@ -29,7 +29,7 @@
# Install on a new machine:
#
#
# doas nix --experimental-features "nix-command flakes" run github:nix-community/disko/latest -- --mode destroy,format,mount hosts/quark/disk-config.nix
# doas nix --experimental-features "nix-command flakes" run github:nix-community/disko/latest -- --mode destroy,format,mount hosts/odo/disk-config.nix
# nix flake update zsh-histdb --flake .
# nix flake update ansible-sshjail --flake .
@@ -115,120 +115,131 @@
./configuration.nix
];
};
systems = {
odo = {
main = nixpkgs.lib.nixosSystem (
base_x86_64_linux
// {
systems =
let
additional_iso_modules = [
(nixpkgs + "/nixos/modules/installer/cd-dvd/iso-image.nix")
# TODO: Figure out how to do image based appliances
# (nixpkgs + "/nixos/modules/profiles/image-based-appliance.nix")
{
isoImage.makeEfiBootable = true;
isoImage.makeUsbBootable = true;
me.buildingIso = true;
me.optimizations.enable = nixpkgs.lib.mkDefault false;
me._9pfs_nix_store.is_iso = true;
}
{
# These are big space hogs. The chance that I need them on an ISO is slim.
me.steam.enable = nixpkgs.lib.mkForce false;
me.pcsx2.enable = nixpkgs.lib.mkForce false;
}
];
additional_vm_modules = [
(nixpkgs + "/nixos/modules/profiles/qemu-guest.nix")
{
networking.dhcpcd.enable = true;
networking.useDHCP = true;
me.optimizations.enable = nixpkgs.lib.mkDefault false;
}
{
# me._9pfs_nix_store.enable = true;
}
];
in
{
odo = rec {
main = base_x86_64_linux // {
modules = base_x86_64_linux.modules ++ [
./hosts/odo
];
}
);
iso = nixpkgs.lib.nixosSystem (
base_x86_64_linux
// {
modules = base_x86_64_linux.modules ++ [
./hosts/odo
(nixpkgs + "/nixos/modules/installer/cd-dvd/iso-image.nix")
# TODO: Figure out how to do image based appliances
# (nixpkgs + "/nixos/modules/profiles/image-based-appliance.nix")
{
isoImage.makeEfiBootable = true;
isoImage.makeUsbBootable = true;
me.buildingIso = true;
me.optimizations.enable = nixpkgs.lib.mkForce false;
}
];
}
);
};
quark = {
main = nixpkgs.lib.nixosSystem (
base_x86_64_linux
// {
};
iso = main // {
modules = main.modules ++ additional_iso_modules;
};
vm = main // {
modules = main.modules ++ additional_vm_modules;
};
vm_iso = main // {
modules = main.modules ++ additional_vm_modules ++ additional_iso_modules;
};
};
quark = rec {
main = base_x86_64_linux // {
modules = base_x86_64_linux.modules ++ [
./hosts/quark
];
}
);
iso = nixpkgs.lib.nixosSystem (
base_x86_64_linux
// {
modules = base_x86_64_linux.modules ++ [
./hosts/quark
(nixpkgs + "/nixos/modules/installer/cd-dvd/iso-image.nix")
# TODO: Figure out how to do image based appliances
# (nixpkgs + "/nixos/modules/profiles/image-based-appliance.nix")
{
isoImage.makeEfiBootable = true;
isoImage.makeUsbBootable = true;
me.buildingIso = true;
me.optimizations.enable = nixpkgs.lib.mkForce false;
}
];
}
);
};
neelix = {
main = nixpkgs.lib.nixosSystem (
base_x86_64_linux
// {
};
iso = main // {
modules = main.modules ++ additional_iso_modules;
};
vm = main // {
modules = main.modules ++ additional_vm_modules;
};
vm_iso = main // {
modules = main.modules ++ additional_vm_modules ++ additional_iso_modules;
};
};
neelix = rec {
main = base_x86_64_linux // {
modules = base_x86_64_linux.modules ++ [
./hosts/neelix
];
}
);
iso = nixpkgs.lib.nixosSystem (
base_x86_64_linux
// {
modules = base_x86_64_linux.modules ++ [
./hosts/neelix
(nixpkgs + "/nixos/modules/installer/cd-dvd/iso-image.nix")
};
iso = main // {
modules = main.modules ++ additional_iso_modules;
};
vm = main // {
modules = main.modules ++ additional_vm_modules;
};
vm_iso = main // {
modules = main.modules ++ additional_vm_modules ++ additional_iso_modules;
};
};
hydra =
let
additional_iso_modules = additional_iso_modules ++ [
{
isoImage.makeEfiBootable = true;
isoImage.makeUsbBootable = true;
me.buildingIso = true;
me.optimizations.enable = nixpkgs.lib.mkForce false;
me.optimizations.enable = true;
}
];
}
);
in
rec {
main = base_x86_64_linux // {
modules = base_x86_64_linux.modules ++ [
./hosts/hydra
];
};
iso = main // {
modules = main.modules ++ additional_iso_modules;
};
vm = main // {
modules = main.modules ++ additional_vm_modules;
};
vm_iso = main // {
modules = main.modules ++ additional_vm_modules ++ additional_iso_modules;
};
};
};
hydra = {
main = nixpkgs.lib.nixosSystem (
base_x86_64_linux
// {
modules = base_x86_64_linux.modules ++ [
./hosts/hydra
];
}
);
iso = nixpkgs.lib.nixosSystem (
base_x86_64_linux
// {
modules = base_x86_64_linux.modules ++ [
./hosts/hydra
(nixpkgs + "/nixos/modules/installer/cd-dvd/iso-image.nix")
{
isoImage.makeEfiBootable = true;
isoImage.makeUsbBootable = true;
me.buildingIso = true;
}
];
}
);
};
};
in
{
nixosConfigurations.odo = systems.odo.main;
iso.odo = systems.odo.iso.config.system.build.isoImage;
nixosConfigurations.quark = systems.quark.main;
iso.quark = systems.quark.iso.config.system.build.isoImage;
nixosConfigurations.neelix = systems.neelix.main;
iso.neelix = systems.neelix.iso.config.system.build.isoImage;
nixosConfigurations.hydra = systems.hydra.main;
iso.hydra = systems.hydra.iso.config.system.build.isoImage;
nixosConfigurations.odo = nixpkgs.lib.nixosSystem systems.odo.main;
iso.odo = (nixpkgs.lib.nixosSystem systems.odo.iso).config.system.build.isoImage;
nixosConfigurations.vm_odo = nixpkgs.lib.nixosSystem systems.odo.vm;
vm_iso.odo = (nixpkgs.lib.nixosSystem systems.odo.vm_iso).config.system.build.isoImage;
nixosConfigurations.quark = nixpkgs.lib.nixosSystem systems.quark.main;
iso.quark = (nixpkgs.lib.nixosSystem systems.quark.iso).config.system.build.isoImage;
nixosConfigurations.vm_quark = nixpkgs.lib.nixosSystem systems.quark.vm;
vm_iso.quark = (nixpkgs.lib.nixosSystem systems.quark.vm_iso).config.system.build.isoImage;
nixosConfigurations.neelix = nixpkgs.lib.nixosSystem systems.neelix.main;
iso.neelix = (nixpkgs.lib.nixosSystem systems.neelix.iso).config.system.build.isoImage;
nixosConfigurations.vm_neelix = nixpkgs.lib.nixosSystem systems.neelix.vm;
vm_iso.neelix = (nixpkgs.lib.nixosSystem systems.neelix.vm_iso).config.system.build.isoImage;
nixosConfigurations.hydra = nixpkgs.lib.nixosSystem systems.hydra.main;
iso.hydra = (nixpkgs.lib.nixosSystem systems.hydra.iso).config.system.build.isoImage;
nixosConfigurations.vm_hydra = nixpkgs.lib.nixosSystem systems.hydra.vm;
vm_iso.hydra = (nixpkgs.lib.nixosSystem systems.hydra.vm_iso).config.system.build.isoImage;
};
}