bucur/modules/services/backup.nix

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2026-06-08 16:51:53 +03:00
{ config, pkgs, ... }:
let
nostrDb = "/var/lib/nostr-rs-relay/nostr.db";
jiroriDb = "/var/lib/jirorian/jirorian.db";
dumpDir = "/var/cache/borg-dumps";
in
{
sops.secrets.borg_ssh_key = { mode = "0400"; };
sops.secrets.borg_passphrase = {};
services.borgbackup.jobs.databases = {
repo = "ssh://snh7mkwh@snh7mkwh.repo.borgbase.com/./repo";
paths = [ dumpDir ];
encryption = {
mode = "repokey-blake2";
passCommand = "cat ${config.sops.secrets.borg_passphrase.path}";
};
environment.BORG_RSH =
"ssh -i ${config.sops.secrets.borg_ssh_key.path} -o StrictHostKeyChecking=accept-new";
preHook = ''
mkdir -p ${dumpDir}
${pkgs.sqlite}/bin/sqlite3 ${nostrDb} ".backup '${dumpDir}/nostr.db'"
${pkgs.sqlite}/bin/sqlite3 ${jiroriDb} ".backup '${dumpDir}/jirorian.db'"
'';
postHook = ''
rm -f ${dumpDir}/nostr.db ${dumpDir}/jirorian.db
'';
startAt = "daily";
prune.keep = {
daily = 7;
weekly = 4;
monthly = 6;
};
};
}