135 lines
3.5 KiB
Nix
135 lines
3.5 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.virtualisation.anbox;
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kernelPackages = config.boot.kernelPackages;
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addrOpts = v: addr: pref: name: {
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address = mkOption {
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default = addr;
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type = types.str;
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description = lib.mdDoc ''
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IPv${toString v} ${name} address.
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'';
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};
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prefixLength = mkOption {
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default = pref;
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type = types.addCheck types.int (n: n >= 0 && n <= (if v == 4 then 32 else 128));
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description = lib.mdDoc ''
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Subnet mask of the ${name} address, specified as the number of
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bits in the prefix (`${if v == 4 then "24" else "64"}`).
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'';
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};
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};
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in
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{
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options.virtualisation.anbox = {
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enable = mkEnableOption "Anbox";
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image = mkOption {
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default = pkgs.anbox.image;
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defaultText = literalExpression "pkgs.anbox.image";
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type = types.package;
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description = lib.mdDoc ''
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Base android image for Anbox.
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'';
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};
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extraInit = mkOption {
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type = types.lines;
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default = "";
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description = lib.mdDoc ''
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Extra shell commands to be run inside the container image during init.
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'';
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};
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ipv4 = {
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container = addrOpts 4 "192.168.250.2" 24 "Container";
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gateway = addrOpts 4 "192.168.250.1" 24 "Host";
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dns = mkOption {
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default = "1.1.1.1";
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type = types.str;
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description = lib.mdDoc ''
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Container DNS server.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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assertions = singleton {
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assertion = versionAtLeast (getVersion config.boot.kernelPackages.kernel) "4.18";
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message = "Anbox needs user namespace support to work properly";
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};
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environment.systemPackages = with pkgs; [ anbox ];
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services.udev.extraRules = ''
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KERNEL=="ashmem", NAME="%k", MODE="0666"
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KERNEL=="binder*", NAME="%k", MODE="0666"
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'';
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virtualisation.lxc.enable = true;
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networking.bridges.anbox0.interfaces = [];
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networking.interfaces.anbox0.ipv4.addresses = [ cfg.ipv4.gateway ];
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networking.nat = {
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enable = true;
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internalInterfaces = [ "anbox0" ];
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};
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systemd.services.anbox-container-manager = let
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anboxloc = "/var/lib/anbox";
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in {
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description = "Anbox Container Management Daemon";
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environment.XDG_RUNTIME_DIR="${anboxloc}";
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wantedBy = [ "multi-user.target" ];
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preStart = let
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initsh = pkgs.writeText "nixos-init" (''
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#!/system/bin/sh
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setprop nixos.version ${config.system.nixos.version}
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# we don't have radio
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setprop ro.radio.noril yes
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stop ril-daemon
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# speed up boot
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setprop debug.sf.nobootanimation 1
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'' + cfg.extraInit);
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initshloc = "${anboxloc}/rootfs-overlay/system/etc/init.goldfish.sh";
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in ''
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mkdir -p ${anboxloc}
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mkdir -p $(dirname ${initshloc})
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[ -f ${initshloc} ] && rm ${initshloc}
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cp ${initsh} ${initshloc}
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chown 100000:100000 ${initshloc}
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chmod +x ${initshloc}
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'';
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serviceConfig = {
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ExecStart = ''
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${pkgs.anbox}/bin/anbox container-manager \
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--data-path=${anboxloc} \
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--android-image=${cfg.image} \
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--container-network-address=${cfg.ipv4.container.address} \
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--container-network-gateway=${cfg.ipv4.gateway.address} \
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--container-network-dns-servers=${cfg.ipv4.dns} \
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--use-rootfs-overlay \
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--privileged
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'';
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};
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};
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};
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}
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