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now using flake-parts; refactored nixosConfigurations; using hm standalone

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William 2025-10-14 15:43:12 -03:00
parent 7f64d49052
commit 816496fbab
104 changed files with 1414 additions and 1910 deletions
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118
hosts/modules/ephermal.nix
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@ -1,64 +1,72 @@
{
hostType,
lib,
...
}:
{ inputs, ... }:
{
config = lib.mkMerge [
# Common configuration
{
}
imports = [ inputs.impermanence.nixosModules.impermanence ];
# Server specific configuration
(lib.mkIf hostType.isServer {
})
boot.initrd.systemd.services.recreate-root = {
description = "Rolling over and creating new filesystem root";
requires = [ "initrd-root-device.target" ];
after = [
"local-fs-pre.target"
"initrd-root-device.target"
];
requiredBy = [ "initrd-root-fs.target" ];
before = [ "sysroot.mount" ];
unitConfig = {
AssertPathExists = "/etc/initrd-release";
DefaultDependencies = false;
};
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
};
script = ''
mkdir /btrfs_tmp
mount /dev/mapper/cryptroot /btrfs_tmp
# Workstation specific configuration
(lib.mkIf hostType.isWorkstation {
boot.initrd.systemd.services.recreate-root = {
description = "Rolling over and creating new filesystem root";
requires = [ "initrd-root-device.target" ];
after = [
"local-fs-pre.target"
"initrd-root-device.target"
];
requiredBy = [ "initrd-root-fs.target" ];
before = [ "sysroot.mount" ];
unitConfig = {
AssertPathExists = "/etc/initrd-release";
DefaultDependencies = false;
};
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
};
script = ''
mkdir /btrfs_tmp
mount /dev/mapper/cryptroot /btrfs_tmp
if [[ -e /btrfs_tmp/@root ]]; then
mkdir -p /btrfs_tmp/old_roots
timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/@root)" "+%Y-%m-%-d_%H:%M:%S")
mv /btrfs_tmp/@root "/btrfs_tmp/old_roots/$timestamp"
fi
if [[ -e /btrfs_tmp/@root ]]; then
mkdir -p /btrfs_tmp/old_roots
timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/@root)" "+%Y-%m-%-d_%H:%M:%S")
mv /btrfs_tmp/@root "/btrfs_tmp/old_roots/$timestamp"
fi
delete_subvolume_recursively() {
IFS=$'\n'
for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do
delete_subvolume_recursively "/btrfs_tmp/$i"
done
btrfs subvolume delete "$1"
}
delete_subvolume_recursively() {
IFS=$'\n'
for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do
delete_subvolume_recursively "/btrfs_tmp/$i"
done
btrfs subvolume delete "$1"
}
for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +30); do
delete_subvolume_recursively "$i"
done
for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +30); do
delete_subvolume_recursively "$i"
done
btrfs subvolume create /btrfs_tmp/@root
umount /btrfs_tmp
'';
};
btrfs subvolume create /btrfs_tmp/@root
umount /btrfs_tmp
'';
};
})
];
environment.persistence.main = {
persistentStoragePath = "/persistent";
files = [
"/etc/machine-id"
"/etc/ssh/ssh_host_ed25519_key"
"/etc/ssh/ssh_host_ed25519_key.pub"
"/etc/ssh/ssh_host_rsa_key"
"/etc/ssh/ssh_host_rsa_key.pub"
];
directories = [
"/etc/NetworkManager/system-connections"
"/etc/nixos"
"/var/lib/bluetooth"
"/var/lib/flatpak"
"/var/lib/lxd"
"/var/lib/nixos"
"/var/lib/systemd/coredump"
"/var/lib/systemd/timers"
"/var/lib/tailscale"
"/var/log"
];
};
}