mirror of
https://github.com/ilyakooo0/nixpkgs.git
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126 lines
4.2 KiB
Nix
126 lines
4.2 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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diskSize = "4096";
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in
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{
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imports = [ ../profiles/headless.nix ];
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system.build.azureImage =
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pkgs.vmTools.runInLinuxVM (
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pkgs.runCommand "azure-image"
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{ preVM =
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''
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mkdir $out
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diskImage=$out/$diskImageBase
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cyl=$(((${diskSize}*1024*1024)/(512*63*255)))
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size=$(($cyl*255*63*512))
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roundedsize=$((($size/(1024*1024)+1)*(1024*1024)))
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${pkgs.vmTools.qemu}/bin/qemu-img create -f raw $diskImage $roundedsize
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mv closure xchg/
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'';
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postVM =
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''
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mkdir -p $out
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${pkgs.vmTools.qemu}/bin/qemu-img convert -f raw -O vpc $diskImage $out/disk.vhd
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rm $diskImage
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'';
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diskImageBase = "nixos-${config.system.nixosVersion}-${pkgs.stdenv.system}.raw";
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buildInputs = [ pkgs.utillinux pkgs.perl ];
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exportReferencesGraph =
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[ "closure" config.system.build.toplevel ];
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}
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''
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# Create partition table
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${pkgs.parted}/sbin/parted /dev/vda mklabel msdos
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${pkgs.parted}/sbin/parted /dev/vda mkpart primary ext4 1 ${diskSize}M
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${pkgs.parted}/sbin/parted /dev/vda print
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. /sys/class/block/vda1/uevent
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mknod /dev/vda1 b $MAJOR $MINOR
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# Create an empty filesystem and mount it.
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${pkgs.e2fsprogs}/sbin/mkfs.ext4 -L nixos /dev/vda1
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${pkgs.e2fsprogs}/sbin/tune2fs -c 0 -i 0 /dev/vda1
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mkdir /mnt
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mount /dev/vda1 /mnt
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# The initrd expects these directories to exist.
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mkdir /mnt/dev /mnt/proc /mnt/sys
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mount --bind /proc /mnt/proc
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mount --bind /dev /mnt/dev
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mount --bind /sys /mnt/sys
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# Copy all paths in the closure to the filesystem.
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storePaths=$(perl ${pkgs.pathsFromGraph} /tmp/xchg/closure)
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mkdir -p /mnt/nix/store
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echo "copying everything (will take a while)..."
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cp -prd $storePaths /mnt/nix/store/
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# Register the paths in the Nix database.
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printRegistration=1 perl ${pkgs.pathsFromGraph} /tmp/xchg/closure | \
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chroot /mnt ${config.nix.package}/bin/nix-store --load-db
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# Create the system profile to allow nixos-rebuild to work.
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chroot /mnt ${config.nix.package}/bin/nix-env \
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-p /nix/var/nix/profiles/system --set ${config.system.build.toplevel}
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# `nixos-rebuild' requires an /etc/NIXOS.
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mkdir -p /mnt/etc
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touch /mnt/etc/NIXOS
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# `switch-to-configuration' requires a /bin/sh
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mkdir -p /mnt/bin
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ln -s ${config.system.build.binsh}/bin/sh /mnt/bin/sh
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# Install a configuration.nix.
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mkdir -p /mnt/etc/nixos /mnt/boot/grub
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cp ${./azure-config.nix} /mnt/etc/nixos/configuration.nix
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# Generate the GRUB menu.
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ln -s vda /dev/sda
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chroot /mnt ${config.system.build.toplevel}/bin/switch-to-configuration boot
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umount /mnt/proc /mnt/dev /mnt/sys
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umount /mnt
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''
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);
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fileSystems."/".device = "/dev/disk/by-label/nixos";
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# Azure metadata is available as a CD-ROM drive.
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fileSystems."/metadata".device = "/dev/sr0";
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boot.kernelParams = [ "console=ttyS0" "earlyprintk=ttyS0" "rootdelay=300" "panic=1" "boot.panic_on_fail" ];
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boot.initrd.kernelModules = [ "hv_vmbus" "hv_netvsc" "hv_utils" "hv_storvsc" ];
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# Generate a GRUB menu.
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boot.loader.grub.device = "/dev/sda";
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boot.loader.grub.version = 2;
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boot.loader.grub.timeout = 0;
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# Don't put old configurations in the GRUB menu. The user has no
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# way to select them anyway.
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boot.loader.grub.configurationLimit = 0;
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# Allow root logins only using the SSH key that the user specified
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# at instance creation time.
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services.openssh.enable = true;
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services.openssh.permitRootLogin = "without-password";
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# Force getting the hostname from Azure
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networking.hostName = mkDefault "";
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# Always include cryptsetup so that NixOps can use it.
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environment.systemPackages = [ pkgs.cryptsetup ];
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networking.usePredictableInterfaceNames = false;
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users.extraUsers.root.openssh.authorizedKeys.keys = [ (builtins.readFile <ssh-pub-key>) ];
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}
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