initial commit
Signed-off-by: Christine Dodrill <me@christine.website>
This commit is contained in:
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LICENSE
122
LICENSE
|
|
@ -1,5 +1,121 @@
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|||
Copyright (C) 2006 by Rob Landley <rob@landley.net>
|
||||
Creative Commons Legal Code
|
||||
|
||||
Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted.
|
||||
CC0 1.0 Universal
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
CREATIVE COMMONS CORPORATION IS NOT A LAW FIRM AND DOES NOT PROVIDE
|
||||
LEGAL SERVICES. DISTRIBUTION OF THIS DOCUMENT DOES NOT CREATE AN
|
||||
ATTORNEY-CLIENT RELATIONSHIP. CREATIVE COMMONS PROVIDES THIS
|
||||
INFORMATION ON AN "AS-IS" BASIS. CREATIVE COMMONS MAKES NO WARRANTIES
|
||||
REGARDING THE USE OF THIS DOCUMENT OR THE INFORMATION OR WORKS
|
||||
PROVIDED HEREUNDER, AND DISCLAIMS LIABILITY FOR DAMAGES RESULTING FROM
|
||||
THE USE OF THIS DOCUMENT OR THE INFORMATION OR WORKS PROVIDED
|
||||
HEREUNDER.
|
||||
|
||||
Statement of Purpose
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|
||||
The laws of most jurisdictions throughout the world automatically confer
|
||||
exclusive Copyright and Related Rights (defined below) upon the creator
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and subsequent owner(s) (each and all, an "owner") of an original work of
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authorship and/or a database (each, a "Work").
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Certain owners wish to permanently relinquish those rights to a Work for
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the purpose of contributing to a commons of creative, cultural and
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scientific works ("Commons") that the public can reliably and without fear
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of later claims of infringement build upon, modify, incorporate in other
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works, reuse and redistribute as freely as possible in any form whatsoever
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These owners may contribute to the Commons to promote the ideal of a free
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For these and/or other purposes and motivations, and without any
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associating CC0 with a Work (the "Affirmer"), to the extent that he or she
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elects to apply CC0 to the Work and publicly distribute the Work under its
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1. Copyright and Related Rights. A Work made available under CC0 may be
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protected by copyright and related or neighboring rights ("Copyright and
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Related Rights"). Copyright and Related Rights include, but are not
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limited to, the following:
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i. the right to reproduce, adapt, distribute, perform, display,
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iv. rights protecting against unfair competition in regards to a Work,
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subject to the limitations in paragraph 4(a), below;
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v. rights protecting the extraction, dissemination, use and reuse of data
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vi. database rights (such as those arising under Directive 96/9/EC of the
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European Parliament and of the Council of 11 March 1996 on the legal
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protection of databases, and under any national implementation
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thereof, including any amended or successor version of such
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directive); and
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vii. other similar, equivalent or corresponding rights throughout the
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world based on applicable law or treaty, and any national
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implementations thereof.
|
||||
|
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2. Waiver. To the greatest extent permitted by, but not in contravention
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of, applicable law, Affirmer hereby overtly, fully, permanently,
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irrevocably and unconditionally waives, abandons, and surrenders all of
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4. Limitations and Disclaimers.
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a. No trademark or patent rights held by Affirmer are waived, abandoned,
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surrendered, licensed or otherwise affected by this document.
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warranties of any kind concerning the Work, express, implied,
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statutory or otherwise, including without limitation warranties of
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title, merchantability, fitness for a particular purpose, non
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infringement, or the absence of latent or other defects, accuracy, or
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the present or absence of errors, whether or not discoverable, all to
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c. Affirmer disclaims responsibility for clearing rights of other persons
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Further, Affirmer disclaims responsibility for obtaining any necessary
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d. Affirmer understands and acknowledges that Creative Commons is not a
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party to this document and has no duty or obligation with respect to
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this CC0 or use of the Work.
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||||
|
|
@ -0,0 +1,39 @@
|
|||
{ config, lib, pkgs, ... }:
|
||||
|
||||
{
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||||
imports = [ ./paranoid.nix ./users.nix ];
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||||
|
||||
nix.autoOptimiseStore = true;
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||||
|
||||
users.users.root.openssh.authorizedKeys.keys = [
|
||||
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPg9gYKVglnO2HQodSJt4z4mNrUSUiyJQ7b+J798bwD9"
|
||||
];
|
||||
|
||||
services.tailscale.enable = true;
|
||||
|
||||
# Tell the firewall to implicitly trust packets routed over Tailscale:
|
||||
networking.firewall.trustedInterfaces = [ "tailscale0" ];
|
||||
|
||||
security.auditd.enable = true;
|
||||
security.audit.enable = true;
|
||||
security.audit.rules = [ "-a exit,always -F arch=b64 -S execve" ];
|
||||
|
||||
security.sudo.execWheelOnly = true;
|
||||
environment.defaultPackages = lib.mkForce [ ];
|
||||
|
||||
services.openssh = {
|
||||
passwordAuthentication = false;
|
||||
allowSFTP = false; # Don't set this if you need sftp
|
||||
challengeResponseAuthentication = false;
|
||||
extraConfig = ''
|
||||
AllowTcpForwarding yes
|
||||
X11Forwarding no
|
||||
AllowAgentForwarding no
|
||||
AllowStreamLocalForwarding no
|
||||
AuthenticationMethods publickey
|
||||
'';
|
||||
};
|
||||
|
||||
# PCI compliance
|
||||
environment.systemPackages = with pkgs; [ clamav ];
|
||||
}
|
||||
|
|
@ -0,0 +1,64 @@
|
|||
{ config, pkgs, lib, ... }:
|
||||
|
||||
with lib;
|
||||
|
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let
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||||
sources = import ../nix/sources.nix;
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||||
impermanence = sources.impermanence;
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cfg = config.xeserv.paranoid;
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||||
|
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ifNoexec = if cfg.noexec then [ "noexec" ] else [ ];
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in {
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imports = [ "${impermanence}/nixos.nix" ];
|
||||
|
||||
options.xeserv.paranoid = {
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||||
enable = mkEnableOption "enables ephemeral filesystems and limited persistence";
|
||||
noexec = mkEnableOption "enables every mount on the system save /nix being marked as noexec (potentially dangerous at a social level)";
|
||||
};
|
||||
|
||||
config = mkIf cfg.enable {
|
||||
fileSystems."/" = mkForce {
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||||
device = "none";
|
||||
fsType = "tmpfs";
|
||||
options = [ "defaults" "size=2G" "mode=755" ] ++ ifNoexec;
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||||
};
|
||||
|
||||
fileSystems."/etc/nixos".options = ifNoexec;
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||||
fileSystems."/srv".options = ifNoexec;
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||||
fileSystems."/var/lib".options = ifNoexec;
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||||
fileSystems."/var/log".options = ifNoexec;
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||||
|
||||
fileSystems."/boot" = {
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||||
device = "/dev/disk/by-label/boot";
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||||
fsType = "vfat";
|
||||
};
|
||||
|
||||
fileSystems."/nix" = {
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||||
device = "/dev/disk/by-label/nix";
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||||
autoResize = true;
|
||||
fsType = "ext4";
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||||
};
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||||
|
||||
boot.cleanTmpDir = true;
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||||
|
||||
environment.persistence."/nix/persist" = {
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||||
directories = [
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||||
"/etc/nixos" # nixos system config files, can be considered optional
|
||||
"/srv" # service data
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||||
"/var/lib" # system service persistent data
|
||||
"/var/log" # the place that journald dumps it logs to
|
||||
];
|
||||
};
|
||||
|
||||
environment.etc."ssh/ssh_host_rsa_key".source =
|
||||
"/nix/persist/etc/ssh/ssh_host_rsa_key";
|
||||
environment.etc."ssh/ssh_host_rsa_key.pub".source =
|
||||
"/nix/persist/etc/ssh/ssh_host_rsa_key.pub";
|
||||
environment.etc."ssh/ssh_host_ed25519_key".source =
|
||||
"/nix/persist/etc/ssh/ssh_host_ed25519_key";
|
||||
environment.etc."ssh/ssh_host_ed25519_key.pub".source =
|
||||
"/nix/persist/etc/ssh/ssh_host_ed25519_key.pub";
|
||||
environment.etc."machine-id".source = "/nix/persist/etc/machine-id";
|
||||
};
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,50 @@
|
|||
{ config, lib, pkgs, ... }:
|
||||
|
||||
with lib;
|
||||
|
||||
let
|
||||
# Mara\ these options will be used for user account defaults in
|
||||
# the `mkUser` function.
|
||||
xeserv.users = {
|
||||
groups = mkOption {
|
||||
type = types.listOf types.str;
|
||||
default = [ "wheel" ];
|
||||
example = ''[ "wheel" "libvirtd" "docker" ]'';
|
||||
description =
|
||||
"The Unix groups that Xeserv staff users should be assigned to";
|
||||
};
|
||||
|
||||
shell = mkOption {
|
||||
type = types.package;
|
||||
default = pkgs.bashInteractive;
|
||||
example = "pkgs.powershell";
|
||||
description =
|
||||
"The default shell that Xeserv staff users will be given by default.";
|
||||
};
|
||||
};
|
||||
|
||||
cfg = config.xeserv.users;
|
||||
|
||||
mkUser = { keys, shell ? cfg.shell, extraGroups ? cfg.groups, ... }: {
|
||||
isNormalUser = true;
|
||||
inherit extraGroups shell;
|
||||
openssh.authorizedKeys = {
|
||||
inherit keys;
|
||||
};
|
||||
};
|
||||
in {
|
||||
options.xeserv.users = xeserv.users;
|
||||
|
||||
config.users.users = {
|
||||
cadey = mkUser {
|
||||
keys = [
|
||||
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPg9gYKVglnO2HQodSJt4z4mNrUSUiyJQ7b+J798bwD9"
|
||||
];
|
||||
};
|
||||
twi = mkUser {
|
||||
keys = [
|
||||
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPYr9hiLtDHgd6lZDgQMkJzvYeAXmePOrgFaWHAjJvNU"
|
||||
];
|
||||
};
|
||||
};
|
||||
}
|
||||
|
|
@ -0,0 +1,9 @@
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|||
let
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||||
sources = import ../nix/sources.nix;
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||||
pkgs = import sources.nixpkgs { };
|
||||
sys = (import "${sources.nixpkgs}/nixos/lib/eval-config.nix" {
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||||
system = "x86_64-linux";
|
||||
modules = [ ./configuration.nix ];
|
||||
});
|
||||
in sys.config.system.build.toplevel
|
||||
|
||||
|
|
@ -0,0 +1,8 @@
|
|||
{ config, pkgs, lib, modulesPath, ... }:
|
||||
|
||||
{
|
||||
imports = [ ../common (modulesPath + "/virtualisation/amazon-image.nix") ];
|
||||
|
||||
xeserv.paranoid.enable = true;
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,182 @@
|
|||
{ pkgs
|
||||
, lib
|
||||
, # The NixOS configuration to be installed onto the disk image.
|
||||
config
|
||||
|
||||
, # The size of the disk, in megabytes.
|
||||
diskSize ? 8192
|
||||
|
||||
, # size of the boot partition, is only used if partitionTableType is
|
||||
# either "efi" or "hybrid"
|
||||
bootSize ? 512
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||||
|
||||
, # The files and directories to be placed in the target file system.
|
||||
# This is a list of attribute sets {source, target} where `source'
|
||||
# is the file system object (regular file or directory) to be
|
||||
# grafted in the file system at path `target'.
|
||||
contents ? []
|
||||
|
||||
, # The initial NixOS configuration file to be copied to
|
||||
# /etc/nixos/configuration.nix. This configuration will be embedded
|
||||
# inside a configuration which includes the described ZFS fileSystems.
|
||||
configFile ? null
|
||||
|
||||
, # Shell code executed after the VM has finished.
|
||||
postVM ? ""
|
||||
|
||||
, name ? "nixos-disk-image"
|
||||
|
||||
, # Disk image format, one of qcow2, qcow2-compressed, vdi, vpc, raw.
|
||||
format ? "raw"
|
||||
|
||||
, # Include a copy of Nixpkgs in the disk image
|
||||
includeChannel ? false
|
||||
, ...
|
||||
}:
|
||||
let
|
||||
formatOpt = if format == "qcow2-compressed" then "qcow2" else format;
|
||||
|
||||
compress = lib.optionalString (format == "qcow2-compressed") "-c";
|
||||
|
||||
filename = "nixos." + {
|
||||
qcow2 = "qcow2";
|
||||
vdi = "vdi";
|
||||
vpc = "vhd";
|
||||
raw = "img";
|
||||
}.${formatOpt} or formatOpt;
|
||||
|
||||
channelSources =
|
||||
let
|
||||
nixpkgs = lib.cleanSource pkgs.path;
|
||||
in
|
||||
pkgs.runCommand "nixos-${config.system.nixos.version}" {} ''
|
||||
mkdir -p $out
|
||||
cp -prd ${nixpkgs.outPath} $out/nixos
|
||||
chmod -R u+w $out/nixos
|
||||
if [ ! -e $out/nixos/nixpkgs ]; then
|
||||
ln -s . $out/nixos/nixpkgs
|
||||
fi
|
||||
rm -rf $out/nixos/.git
|
||||
echo -n ${config.system.nixos.versionSuffix} > $out/nixos/.version-suffix
|
||||
'';
|
||||
|
||||
closureInfo = pkgs.closureInfo {
|
||||
rootPaths = [ config.system.build.toplevel ]
|
||||
++ (lib.optional includeChannel channelSources);
|
||||
};
|
||||
|
||||
modulesTree = pkgs.aggregateModules
|
||||
(with config.boot.kernelPackages; [ kernel ]);
|
||||
|
||||
tools = lib.makeBinPath (
|
||||
with pkgs; [
|
||||
config.system.build.nixos-enter
|
||||
config.system.build.nixos-install
|
||||
dosfstools
|
||||
e2fsprogs
|
||||
nix
|
||||
parted
|
||||
utillinux
|
||||
]
|
||||
);
|
||||
|
||||
stringifyProperties = prefix: properties: lib.concatStringsSep " \\\n" (
|
||||
lib.mapAttrsToList
|
||||
(
|
||||
property: value: "${prefix} ${lib.escapeShellArg property}=${lib.escapeShellArg value}"
|
||||
)
|
||||
properties
|
||||
);
|
||||
|
||||
image = (
|
||||
pkgs.vmTools.override {
|
||||
rootModules =
|
||||
[ "9p" "9pnet_virtio" "virtio_pci" "virtio_blk" "rtc_cmos" ];
|
||||
kernel = modulesTree;
|
||||
}
|
||||
).runInLinuxVM (
|
||||
pkgs.runCommand name
|
||||
{
|
||||
preVM = ''
|
||||
PATH=$PATH:${pkgs.qemu_kvm}/bin
|
||||
mkdir $out
|
||||
diskImage=nixos.raw
|
||||
qemu-img create -f raw $diskImage ${toString diskSize}M
|
||||
'';
|
||||
|
||||
postVM = ''
|
||||
${if formatOpt == "raw" then ''
|
||||
mv $diskImage $out/${filename}
|
||||
'' else ''
|
||||
${pkgs.qemu}/bin/qemu-img convert -f raw -O ${formatOpt} ${compress} $diskImage $out/${filename}
|
||||
''}
|
||||
diskImage=$out/${filename}
|
||||
${postVM}
|
||||
'';
|
||||
} ''
|
||||
export PATH=${tools}:$PATH
|
||||
set -x
|
||||
|
||||
cp -sv /dev/vda /dev/sda
|
||||
cp -sv /dev/vda /dev/xvda
|
||||
|
||||
parted --script /dev/vda -- \
|
||||
mklabel gpt \
|
||||
mkpart no-fs 1MB 2MB \
|
||||
align-check optimal 1 \
|
||||
set 1 bios_grub on \
|
||||
mkpart ESP fat32 8MB ${toString bootSize}MB \
|
||||
align-check optimal 2 \
|
||||
set 2 boot on \
|
||||
mkpart primary ${toString bootSize}MB -1 \
|
||||
align-check optimal 3 \
|
||||
print
|
||||
|
||||
mkdir /mnt
|
||||
mount -t tmpfs none /mnt
|
||||
|
||||
mkdir -p /mnt/{boot,nix,etc/{nixos,ssh},var/{lib,log},srv}
|
||||
|
||||
mkdir -p /mnt/boot
|
||||
mkfs.vfat /dev/vda2 -n boot
|
||||
mount -t vfat /dev/vda2 /mnt/boot
|
||||
|
||||
mkfs.ext4 -L nix /dev/vda3
|
||||
mount /dev/vda3 /mnt/nix
|
||||
|
||||
mkdir -p /mnt/nix/persist/{etc/{nixos,ssh},var/{lib,log},srv}
|
||||
|
||||
mount -o bind /mnt/nix/persist/etc/nixos /mnt/etc/nixos
|
||||
mount -o bind /mnt/nix/persist/var/lib /mnt/var/lib
|
||||
mount -o bind /mnt/nix/persist/var/log /mnt/var/log
|
||||
|
||||
mount
|
||||
|
||||
# Install a configuration.nix
|
||||
mkdir -p /mnt/etc/nixos
|
||||
# `cat` so it is mutable on the fs
|
||||
cat ${./configuration.nix} > /mnt/etc/nixos/configuration.nix
|
||||
cat ${./hardware-configuration.nix} > /mnt/etc/nixos/hardware-configuration.nix
|
||||
|
||||
export NIX_STATE_DIR=$TMPDIR/state
|
||||
nix-store --load-db < ${closureInfo}/registration
|
||||
|
||||
echo copying toplevel
|
||||
time nix copy --no-check-sigs --to 'local?root=/mnt/' ${config.system.build.toplevel}
|
||||
|
||||
${lib.optionalString includeChannel ''
|
||||
echo copying channels
|
||||
time nix copy --no-check-sigs --to 'local?root=/mnt/' ${channelSources}
|
||||
''}
|
||||
|
||||
echo installing bootloader
|
||||
time nixos-install --root /mnt --no-root-passwd \
|
||||
--system ${config.system.build.toplevel} \
|
||||
--substituters " " ${lib.optionalString includeChannel "--channel ${channelSources}"}
|
||||
|
||||
df -h
|
||||
umount /mnt/boot
|
||||
''
|
||||
);
|
||||
in
|
||||
image
|
||||
|
|
@ -0,0 +1 @@
|
|||
/nix/store/37g7indpvgc8pyismi03g1vcsyzvpdgc-nixos-system-unnamed-21.05pre-git
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
{
|
||||
"impermanence": {
|
||||
"branch": "master",
|
||||
"description": "Modules to help you handle persistent state on systems with ephemeral root storage [maintainer=@talyz]",
|
||||
"homepage": "",
|
||||
"owner": "nix-community",
|
||||
"repo": "impermanence",
|
||||
"rev": "58558845bc68dcf2bb32caa80564f7fe3f6cbc61",
|
||||
"sha256": "10z3g4knkvq838zbfq71pkfyl8cffrpavna448wf5mjscycp0gnv",
|
||||
"type": "tarball",
|
||||
"url": "https://github.com/nix-community/impermanence/archive/58558845bc68dcf2bb32caa80564f7fe3f6cbc61.tar.gz",
|
||||
"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
|
||||
},
|
||||
"niv": {
|
||||
"branch": "master",
|
||||
"description": "Easy dependency management for Nix projects",
|
||||
"homepage": "https://github.com/nmattia/niv",
|
||||
"owner": "nmattia",
|
||||
"repo": "niv",
|
||||
"rev": "e0ca65c81a2d7a4d82a189f1e23a48d59ad42070",
|
||||
"sha256": "1pq9nh1d8nn3xvbdny8fafzw87mj7gsmp6pxkdl65w2g18rmcmzx",
|
||||
"type": "tarball",
|
||||
"url": "https://github.com/nmattia/niv/archive/e0ca65c81a2d7a4d82a189f1e23a48d59ad42070.tar.gz",
|
||||
"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
|
||||
},
|
||||
"nixpkgs": {
|
||||
"branch": "nixos-21.05",
|
||||
"description": "Nix Packages collection",
|
||||
"homepage": "",
|
||||
"owner": "NixOS",
|
||||
"repo": "nixpkgs",
|
||||
"rev": "2d6ab6c6b92f7aaf8bc53baba9754b9bfdce56f2",
|
||||
"sha256": "1aafqly1mcqxh0r15mrlsrs4znldhm7cizsmfp3d25lqssay6gjd",
|
||||
"type": "tarball",
|
||||
"url": "https://github.com/NixOS/nixpkgs/archive/2d6ab6c6b92f7aaf8bc53baba9754b9bfdce56f2.tar.gz",
|
||||
"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,174 @@
|
|||
# This file has been generated by Niv.
|
||||
|
||||
let
|
||||
|
||||
#
|
||||
# The fetchers. fetch_<type> fetches specs of type <type>.
|
||||
#
|
||||
|
||||
fetch_file = pkgs: name: spec:
|
||||
let
|
||||
name' = sanitizeName name + "-src";
|
||||
in
|
||||
if spec.builtin or true then
|
||||
builtins_fetchurl { inherit (spec) url sha256; name = name'; }
|
||||
else
|
||||
pkgs.fetchurl { inherit (spec) url sha256; name = name'; };
|
||||
|
||||
fetch_tarball = pkgs: name: spec:
|
||||
let
|
||||
name' = sanitizeName name + "-src";
|
||||
in
|
||||
if spec.builtin or true then
|
||||
builtins_fetchTarball { name = name'; inherit (spec) url sha256; }
|
||||
else
|
||||
pkgs.fetchzip { name = name'; inherit (spec) url sha256; };
|
||||
|
||||
fetch_git = name: spec:
|
||||
let
|
||||
ref =
|
||||
if spec ? ref then spec.ref else
|
||||
if spec ? branch then "refs/heads/${spec.branch}" else
|
||||
if spec ? tag then "refs/tags/${spec.tag}" else
|
||||
abort "In git source '${name}': Please specify `ref`, `tag` or `branch`!";
|
||||
in
|
||||
builtins.fetchGit { url = spec.repo; inherit (spec) rev; inherit ref; };
|
||||
|
||||
fetch_local = spec: spec.path;
|
||||
|
||||
fetch_builtin-tarball = name: throw
|
||||
''[${name}] The niv type "builtin-tarball" is deprecated. You should instead use `builtin = true`.
|
||||
$ niv modify ${name} -a type=tarball -a builtin=true'';
|
||||
|
||||
fetch_builtin-url = name: throw
|
||||
''[${name}] The niv type "builtin-url" will soon be deprecated. You should instead use `builtin = true`.
|
||||
$ niv modify ${name} -a type=file -a builtin=true'';
|
||||
|
||||
#
|
||||
# Various helpers
|
||||
#
|
||||
|
||||
# https://github.com/NixOS/nixpkgs/pull/83241/files#diff-c6f540a4f3bfa4b0e8b6bafd4cd54e8bR695
|
||||
sanitizeName = name:
|
||||
(
|
||||
concatMapStrings (s: if builtins.isList s then "-" else s)
|
||||
(
|
||||
builtins.split "[^[:alnum:]+._?=-]+"
|
||||
((x: builtins.elemAt (builtins.match "\\.*(.*)" x) 0) name)
|
||||
)
|
||||
);
|
||||
|
||||
# The set of packages used when specs are fetched using non-builtins.
|
||||
mkPkgs = sources: system:
|
||||
let
|
||||
sourcesNixpkgs =
|
||||
import (builtins_fetchTarball { inherit (sources.nixpkgs) url sha256; }) { inherit system; };
|
||||
hasNixpkgsPath = builtins.any (x: x.prefix == "nixpkgs") builtins.nixPath;
|
||||
hasThisAsNixpkgsPath = <nixpkgs> == ./.;
|
||||
in
|
||||
if builtins.hasAttr "nixpkgs" sources
|
||||
then sourcesNixpkgs
|
||||
else if hasNixpkgsPath && ! hasThisAsNixpkgsPath then
|
||||
import <nixpkgs> {}
|
||||
else
|
||||
abort
|
||||
''
|
||||
Please specify either <nixpkgs> (through -I or NIX_PATH=nixpkgs=...) or
|
||||
add a package called "nixpkgs" to your sources.json.
|
||||
'';
|
||||
|
||||
# The actual fetching function.
|
||||
fetch = pkgs: name: spec:
|
||||
|
||||
if ! builtins.hasAttr "type" spec then
|
||||
abort "ERROR: niv spec ${name} does not have a 'type' attribute"
|
||||
else if spec.type == "file" then fetch_file pkgs name spec
|
||||
else if spec.type == "tarball" then fetch_tarball pkgs name spec
|
||||
else if spec.type == "git" then fetch_git name spec
|
||||
else if spec.type == "local" then fetch_local spec
|
||||
else if spec.type == "builtin-tarball" then fetch_builtin-tarball name
|
||||
else if spec.type == "builtin-url" then fetch_builtin-url name
|
||||
else
|
||||
abort "ERROR: niv spec ${name} has unknown type ${builtins.toJSON spec.type}";
|
||||
|
||||
# If the environment variable NIV_OVERRIDE_${name} is set, then use
|
||||
# the path directly as opposed to the fetched source.
|
||||
replace = name: drv:
|
||||
let
|
||||
saneName = stringAsChars (c: if isNull (builtins.match "[a-zA-Z0-9]" c) then "_" else c) name;
|
||||
ersatz = builtins.getEnv "NIV_OVERRIDE_${saneName}";
|
||||
in
|
||||
if ersatz == "" then drv else
|
||||
# this turns the string into an actual Nix path (for both absolute and
|
||||
# relative paths)
|
||||
if builtins.substring 0 1 ersatz == "/" then /. + ersatz else /. + builtins.getEnv "PWD" + "/${ersatz}";
|
||||
|
||||
# Ports of functions for older nix versions
|
||||
|
||||
# a Nix version of mapAttrs if the built-in doesn't exist
|
||||
mapAttrs = builtins.mapAttrs or (
|
||||
f: set: with builtins;
|
||||
listToAttrs (map (attr: { name = attr; value = f attr set.${attr}; }) (attrNames set))
|
||||
);
|
||||
|
||||
# https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/lists.nix#L295
|
||||
range = first: last: if first > last then [] else builtins.genList (n: first + n) (last - first + 1);
|
||||
|
||||
# https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L257
|
||||
stringToCharacters = s: map (p: builtins.substring p 1 s) (range 0 (builtins.stringLength s - 1));
|
||||
|
||||
# https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L269
|
||||
stringAsChars = f: s: concatStrings (map f (stringToCharacters s));
|
||||
concatMapStrings = f: list: concatStrings (map f list);
|
||||
concatStrings = builtins.concatStringsSep "";
|
||||
|
||||
# https://github.com/NixOS/nixpkgs/blob/8a9f58a375c401b96da862d969f66429def1d118/lib/attrsets.nix#L331
|
||||
optionalAttrs = cond: as: if cond then as else {};
|
||||
|
||||
# fetchTarball version that is compatible between all the versions of Nix
|
||||
builtins_fetchTarball = { url, name ? null, sha256 }@attrs:
|
||||
let
|
||||
inherit (builtins) lessThan nixVersion fetchTarball;
|
||||
in
|
||||
if lessThan nixVersion "1.12" then
|
||||
fetchTarball ({ inherit url; } // (optionalAttrs (!isNull name) { inherit name; }))
|
||||
else
|
||||
fetchTarball attrs;
|
||||
|
||||
# fetchurl version that is compatible between all the versions of Nix
|
||||
builtins_fetchurl = { url, name ? null, sha256 }@attrs:
|
||||
let
|
||||
inherit (builtins) lessThan nixVersion fetchurl;
|
||||
in
|
||||
if lessThan nixVersion "1.12" then
|
||||
fetchurl ({ inherit url; } // (optionalAttrs (!isNull name) { inherit name; }))
|
||||
else
|
||||
fetchurl attrs;
|
||||
|
||||
# Create the final "sources" from the config
|
||||
mkSources = config:
|
||||
mapAttrs (
|
||||
name: spec:
|
||||
if builtins.hasAttr "outPath" spec
|
||||
then abort
|
||||
"The values in sources.json should not have an 'outPath' attribute"
|
||||
else
|
||||
spec // { outPath = replace name (fetch config.pkgs name spec); }
|
||||
) config.sources;
|
||||
|
||||
# The "config" used by the fetchers
|
||||
mkConfig =
|
||||
{ sourcesFile ? if builtins.pathExists ./sources.json then ./sources.json else null
|
||||
, sources ? if isNull sourcesFile then {} else builtins.fromJSON (builtins.readFile sourcesFile)
|
||||
, system ? builtins.currentSystem
|
||||
, pkgs ? mkPkgs sources system
|
||||
}: rec {
|
||||
# The sources, i.e. the attribute set of spec name to spec
|
||||
inherit sources;
|
||||
|
||||
# The "pkgs" (evaluated nixpkgs) to use for e.g. non-builtin fetchers
|
||||
inherit pkgs;
|
||||
};
|
||||
|
||||
in
|
||||
mkSources (mkConfig {}) // { __functor = _: settings: mkSources (mkConfig settings); }
|
||||
Loading…
Reference in New Issue