diff options
author | Domen Kožar <domen@dev.si> | 2015-10-26 16:16:15 +0100 |
---|---|---|
committer | Domen Kožar <domen@dev.si> | 2015-10-26 16:16:45 +0100 |
commit | f1508b3a23cd10a6a174580c4c8e98569beaccb8 (patch) | |
tree | 977869b745bbf44b77a45fdffd9e1601a0c6210c | |
parent | 1703d4dc5da22f6fbb483977b71a273b93c54004 (diff) |
nova-image: use make-disk-image.nix
-rw-r--r-- | nixos/lib/make-disk-image.nix | 2 | ||||
-rw-r--r-- | nixos/modules/virtualisation/nova-config.nix | 5 | ||||
-rw-r--r-- | nixos/modules/virtualisation/nova-image.nix | 97 |
3 files changed, 25 insertions, 79 deletions
diff --git a/nixos/lib/make-disk-image.nix b/nixos/lib/make-disk-image.nix index 01dd9c9ae7f2..62728c8ac761 100644 --- a/nixos/lib/make-disk-image.nix +++ b/nixos/lib/make-disk-image.nix @@ -110,7 +110,7 @@ pkgs.vmTools.runInLinuxVM ( umount /mnt/proc /mnt/dev /mnt/sys umount /mnt - # Do an fsck to make sure resize2fs works. + # Do a fsck to make sure resize2fs works. fsck.${fsType} -f -y $rootDisk '' ) diff --git a/nixos/modules/virtualisation/nova-config.nix b/nixos/modules/virtualisation/nova-config.nix deleted file mode 100644 index f8239cdec519..000000000000 --- a/nixos/modules/virtualisation/nova-config.nix +++ /dev/null @@ -1,5 +0,0 @@ -{ config, pkgs, modulesPath, ... }: - -{ - imports = [ "${modulesPath}/virtualisation/nova-image.nix" ]; -} diff --git a/nixos/modules/virtualisation/nova-image.nix b/nixos/modules/virtualisation/nova-image.nix index 20ec6b024e91..44c83aee2732 100644 --- a/nixos/modules/virtualisation/nova-image.nix +++ b/nixos/modules/virtualisation/nova-image.nix @@ -1,90 +1,45 @@ +# Usage: +# $ NIXOS_CONFIG=`pwd`/nixos/modules/virtualisation/nova-image.nix nix-build '<nixpkgs/nixos>' -A config.system.build.novaImage + { config, lib, pkgs, ... }: with lib; { - imports = [ ../profiles/qemu-guest.nix ../profiles/headless.nix ./ec2-data.nix ]; - - system.build.novaImage = - pkgs.vmTools.runInLinuxVM ( - pkgs.runCommand "nova-image" - { preVM = - '' - mkdir $out - diskImage=$out/image - ${pkgs.vmTools.qemu}/bin/qemu-img create -f raw $diskImage "4G" - mv closure xchg/ - ''; - buildInputs = [ pkgs.utillinux pkgs.perl ]; - exportReferencesGraph = - [ "closure" config.system.build.toplevel ]; + system.build.novaImage = import ../../lib/make-disk-image.nix { + inherit pkgs lib config; + partitioned = true; + diskSize = 1 * 1024; + configFile = pkgs.writeText "configuration.nix" + '' + { + imports = [ <nixpkgs/nixos/modules/virtualisation/nova-image.nix> ]; } - '' - # Create a single / partition. - ${pkgs.parted}/sbin/parted /dev/vda mklabel msdos - ${pkgs.parted}/sbin/parted /dev/vda -- mkpart primary ext2 1M -1s - . /sys/class/block/vda1/uevent - mknod /dev/vda1 b $MAJOR $MINOR - - # Create an empty filesystem and mount it. - ${pkgs.e2fsprogs}/sbin/mkfs.ext3 -L nixos /dev/vda1 - ${pkgs.e2fsprogs}/sbin/tune2fs -c 0 -i 0 /dev/vda1 - mkdir /mnt - mount /dev/vda1 /mnt - - # The initrd expects these directories to exist. - mkdir /mnt/dev /mnt/proc /mnt/sys - mount --bind /proc /mnt/proc - mount --bind /dev /mnt/dev - mount --bind /sys /mnt/sys - - # Copy all paths in the closure to the filesystem. - storePaths=$(perl ${pkgs.pathsFromGraph} /tmp/xchg/closure) - - mkdir -p /mnt/nix/store - ${pkgs.rsync}/bin/rsync -av $storePaths /mnt/nix/store/ - - # Register the paths in the Nix database. - printRegistration=1 perl ${pkgs.pathsFromGraph} /tmp/xchg/closure | \ - chroot /mnt ${config.nix.package}/bin/nix-store --load-db --option build-users-group "" - - # Create the system profile to allow nixos-rebuild to work. - chroot /mnt ${config.nix.package}/bin/nix-env --option build-users-group "" \ - -p /nix/var/nix/profiles/system --set ${config.system.build.toplevel} - - # `nixos-rebuild' requires an /etc/NIXOS. - mkdir -p /mnt/etc - touch /mnt/etc/NIXOS - - # `switch-to-configuration' requires a /bin/sh - mkdir -p /mnt/bin - ln -s ${config.system.build.binsh}/bin/sh /mnt/bin/sh + ''; + }; - # Install a configuration.nix. - mkdir -p /mnt/etc/nixos - cp ${./nova-config.nix} /mnt/etc/nixos/configuration.nix - - # Generate the GRUB menu. - chroot /mnt ${config.system.build.toplevel}/bin/switch-to-configuration boot - - umount /mnt/proc /mnt/dev /mnt/sys - umount /mnt - '' - ); + imports = [ + ../profiles/qemu-guest.nix + ../profiles/headless.nix + ./ec2-data.nix + ]; fileSystems."/".device = "/dev/disk/by-label/nixos"; boot.kernelParams = [ "console=ttyS0" ]; - - boot.loader.grub.version = 2; boot.loader.grub.device = "/dev/vda"; boot.loader.grub.timeout = 0; + # Allow root logins + services.openssh.enable = true; + services.openssh.permitRootLogin = "without-password"; + # Put /tmp and /var on /ephemeral0, which has a lot more space. # Unfortunately we can't do this with the `fileSystems' option # because it has no support for creating the source of a bind # mount. Also, "move" /nix to /ephemeral0 by layering a unionfs-fuse # mount on top of it so we have a lot more space for Nix operations. + /* boot.initrd.postMountCommands = '' @@ -106,10 +61,6 @@ with lib; ''; boot.initrd.supportedFilesystems = [ "unionfs-fuse" ]; - */ + */ - # Allow root logins only using the SSH key that the user specified - # at instance creation time. - services.openssh.enable = true; - services.openssh.permitRootLogin = "without-password"; } |