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modules/backup: add command for backup management

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clerie 2023-07-04 09:02:44 +02:00
parent 25677a9e03
commit 06ef7a4d80
1 changed files with 26 additions and 0 deletions
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26
modules/backup/default.nix
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@ -67,6 +67,31 @@ let
} }
) jobTargetPairs); ) jobTargetPairs);
backupCommands = map ({jobName, jobOptions, targetName, targetOptions}: let
jobPasswordFile = if jobOptions.passwordFile == null then config.age.secrets."clerie-backup-job-${jobName}".path else jobOptions.passwordFile;
repoPath = if jobOptions.repoPath == null then "/${config.networking.hostName}/${jobName}" else jobOptions.repoPath;
targetPasswordFile = if targetOptions.passwordFile == null then config.age.secrets."clerie-backup-target-${targetName}".path else targetOptions.passwordFile;
targetUsername = if targetOptions.username == null then config.networking.hostName else targetOptions.username;
in pkgs.writeShellApplication {
name = "clerie-backup-${jobName}-${targetName}";
runtimeInputs = [ pkgs.restic ];
text = ''
set -euo pipefail
export RESTIC_PASSWORD_FILE=${jobPasswordFile}
export RESTIC_REPOSITORY="rest:https://${targetUsername}:$(cat ${targetPasswordFile})@${targetOptions.serverName}${repoPath}"
export RESTIC_PROGRESS_FPS=0.1
export RESTIC_CACHE_DIR=/var/cache/restic
restic "$@"
'';
checkPhase = "";
}
) jobTargetPairs;
targetOptions = { ... }: { targetOptions = { ... }: {
options = { options = {
passwordFile = mkOption { passwordFile = mkOption {
@ -129,5 +154,6 @@ in
systemd.tmpfiles.rules = [ systemd.tmpfiles.rules = [
"d /var/cache/restic - - - - -" "d /var/cache/restic - - - - -"
]; ];
environment.systemPackages = backupCommands;
}; };
} }