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liminix/examples/arhcive.nix

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# This is not part of Liminix per se. This is a "scratchpad"
# configuration for a device I'm testing with.
#
# Parts of it do do things that Liminix eventually needs to do, but
# don't look in here for solutions - just for identifying the
# problems.
{
config,
pkgs,
lib,
...
}: let
secrets = import ./extneder-secrets.nix;
inherit (pkgs.liminix.services) oneshot longrun bundle target;
inherit (pkgs.pseudofile) dir symlink;
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inherit (pkgs) writeText dropbear ifwait serviceFns;
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svc = config.system.service;
in rec {
boot = {
tftp = {
serverip = "192.168.8.148";
ipaddr = "192.168.8.251";
};
};
imports = [
../modules/wlan.nix
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../modules/network
../modules/vlan
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../modules/ssh
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../modules/watchdog
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../modules/mount
];
hostname = "arhcive";
kernel = {
config = {
USB = "y";
USB_EHCI_HCD = "y";
USB_EHCI_HCD_PLATFORM = "y";
USB_OHCI_HCD = "y";
USB_OHCI_HCD_PLATFORM = "y";
USB_SUPPORT = "y";
USB_COMMON = "y";
USB_STORAGE = "y";
USB_STORAGE_DEBUG = "n";
USB_UAS = "y";
USB_ANNOUNCE_NEW_DEVICES = "y";
SCSI = "y";
BLK_DEV_SD = "y";
USB_PRINTER = "y";
MSDOS_PARTITION = "y";
EFI_PARTITION = "y";
EXT4_FS = "y";
EXT4_USE_FOR_EXT2 = "y";
FS_ENCRYPTION = "y";
};
};
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services.dhcpc =
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let iface = config.hardware.networkInterfaces.lan;
in svc.network.dhcp.client.build {
interface = iface;
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dependencies = [ config.services.hostname ];
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};
services.sshd = svc.ssh.build { };
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services.watchdog = svc.watchdog.build {
watched = with config.services ; [ sshd dhcpc ];
};
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services.resolvconf = oneshot rec {
dependencies = [ services.dhcpc ];
name = "resolvconf";
up = ''
. ${serviceFns}
( in_outputs ${name}
for i in $(output ${services.dhcpc} dns); do
echo "nameserver $i" > resolv.conf
done
)
'';
};
filesystem = dir {
etc = dir {
"resolv.conf" = symlink "${services.resolvconf}/.outputs/resolv.conf";
};
srv = dir {};
};
services.defaultroute4 = svc.network.route.build {
via = "$(output ${services.dhcpc} router)";
target = "default";
dependencies = [services.dhcpc];
};
programs.busybox = {
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applets = ["lsusb" "tar"];
options = {
FEATURE_LS_TIMESTAMPS = "y";
FEATURE_LS_SORTFILES = "y";
FEATURE_VOLUMEID_EXT = "y";
};
};
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services.mount_external_disk = svc.mount.build {
device = "LABEL=backup-disk";
mountpoint = "/srv";
fstype = "ext4";
};
services.rsync =
let
secrets_file = oneshot rec {
name = "rsync-secrets";
up = ''
. ${serviceFns}
(in_outputs ${name}
echo "backup:${secrets.rsync_secret}" > secrets)
'';
down = "true";
};
configFile = writeText "rsync.conf" ''
pid file = /run/rsyncd.pid
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uid = backup
[srv]
path = /srv
use chroot = yes
auth users = backup
read only = false
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gid = backup
secrets file = ${secrets_file}/.outputs/secrets
'';
in longrun {
name = "rsync";
run = ''
${pkgs.rsyncSmall}/bin/rsync --no-detach --daemon --config=${configFile}
'';
dependencies = [
secrets_file
services.mount_external_disk
config.hardware.networkInterfaces.lan
] ;
};
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users.root = {
passwd = lib.mkForce secrets.root_password;
# openssh.authorizedKeys.keys = [
# (builtins.readFile "/home/dan/.ssh/id_rsa.pub")
# ];
};
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users.backup = {
uid=500; gid=500; gecos="Storage owner"; dir="/srv";
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shell="/dev/null";
};
groups.backup = {
gid=500; usernames = ["backup"];
};
defaultProfile.packages = with pkgs; [e2fsprogs strace tcpdump ];
}