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nixos/qemu-vm: use cfg.host.pkgs

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nikstur 2023-06-19 16:49:11 +02:00
parent b621273236
commit f6b37ddaf2
1 changed files with 12 additions and 10 deletions
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22
nixos/modules/virtualisation/qemu-vm.nix
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@ -18,6 +18,8 @@ let
qemu = cfg.qemu.package; qemu = cfg.qemu.package;
hostPkgs = cfg.host.pkgs;
consoles = lib.concatMapStringsSep " " (c: "console=${c}") cfg.qemu.consoles; consoles = lib.concatMapStringsSep " " (c: "console=${c}") cfg.qemu.consoles;
driveOpts = { ... }: { driveOpts = { ... }: {
@ -84,9 +86,9 @@ let
# Shell script to start the VM. # Shell script to start the VM.
startVM = startVM =
'' ''
#! ${cfg.host.pkgs.runtimeShell} #! ${hostPkgs.runtimeShell}
export PATH=${makeBinPath [ cfg.host.pkgs.coreutils ]}''${PATH:+:}$PATH export PATH=${makeBinPath [ hostPkgs.coreutils ]}''${PATH:+:}$PATH
set -e set -e
@ -97,7 +99,7 @@ let
local size=$2 local size=$2
local temp=$(mktemp) local temp=$(mktemp)
${qemu}/bin/qemu-img create -f raw "$temp" "$size" ${qemu}/bin/qemu-img create -f raw "$temp" "$size"
${pkgs.e2fsprogs}/bin/mkfs.ext4 -L ${rootFilesystemLabel} "$temp" ${hostPkgs.e2fsprogs}/bin/mkfs.ext4 -L ${rootFilesystemLabel} "$temp"
${qemu}/bin/qemu-img convert -f raw -O qcow2 "$temp" "$name" ${qemu}/bin/qemu-img convert -f raw -O qcow2 "$temp" "$name"
rm "$temp" rm "$temp"
} }
@ -142,17 +144,17 @@ let
else '' else ''
( (
cd ${builtins.storeDir} cd ${builtins.storeDir}
${pkgs.erofs-utils}/bin/mkfs.erofs \ ${hostPkgs.erofs-utils}/bin/mkfs.erofs \
--force-uid=0 \ --force-uid=0 \
--force-gid=0 \ --force-gid=0 \
-L ${nixStoreFilesystemLabel} \ -L ${nixStoreFilesystemLabel} \
-U eb176051-bd15-49b7-9e6b-462e0b467019 \ -U eb176051-bd15-49b7-9e6b-462e0b467019 \
-T 0 \ -T 0 \
--exclude-regex="$( --exclude-regex="$(
<${pkgs.closureInfo { rootPaths = [ config.system.build.toplevel regInfo ]; }}/store-paths \ <${hostPkgs.closureInfo { rootPaths = [ config.system.build.toplevel regInfo ]; }}/store-paths \
sed -e 's^.*/^^g' \ sed -e 's^.*/^^g' \
| cut -c -10 \ | cut -c -10 \
| ${pkgs.python3}/bin/python ${./includes-to-excludes.py} )" \ | ${hostPkgs.python3}/bin/python ${./includes-to-excludes.py} )" \
"$TMPDIR"/store.img \ "$TMPDIR"/store.img \
. \ . \
</dev/null >/dev/null </dev/null >/dev/null
@ -214,7 +216,7 @@ let
''; '';
regInfo = pkgs.closureInfo { rootPaths = config.virtualisation.additionalPaths; }; regInfo = hostPkgs.closureInfo { rootPaths = config.virtualisation.additionalPaths; };
# Use well-defined and persistent filesystem labels to identify block devices. # Use well-defined and persistent filesystem labels to identify block devices.
rootFilesystemLabel = "nixos"; rootFilesystemLabel = "nixos";
@ -644,7 +646,7 @@ in
package = package =
mkOption { mkOption {
type = types.package; type = types.package;
default = cfg.host.pkgs.qemu_kvm; default = hostPkgs.qemu_kvm;
defaultText = literalExpression "config.virtualisation.host.pkgs.qemu_kvm"; defaultText = literalExpression "config.virtualisation.host.pkgs.qemu_kvm";
example = literalExpression "pkgs.qemu_test"; example = literalExpression "pkgs.qemu_test";
description = lib.mdDoc "QEMU package to use."; description = lib.mdDoc "QEMU package to use.";
@ -1180,14 +1182,14 @@ in
services.qemuGuest.enable = cfg.qemu.guestAgent.enable; services.qemuGuest.enable = cfg.qemu.guestAgent.enable;
system.build.vm = cfg.host.pkgs.runCommand "nixos-vm" { system.build.vm = hostPkgs.runCommand "nixos-vm" {
preferLocalBuild = true; preferLocalBuild = true;
meta.mainProgram = "run-${config.system.name}-vm"; meta.mainProgram = "run-${config.system.name}-vm";
} }
'' ''
mkdir -p $out/bin mkdir -p $out/bin
ln -s ${config.system.build.toplevel} $out/system ln -s ${config.system.build.toplevel} $out/system
ln -s ${cfg.host.pkgs.writeScript "run-nixos-vm" startVM} $out/bin/run-${config.system.name}-vm ln -s ${hostPkgs.writeScript "run-nixos-vm" startVM} $out/bin/run-${config.system.name}-vm
''; '';
# When building a regular system configuration, override whatever # When building a regular system configuration, override whatever