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bragi backup config #28

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Gonne merged 5 commits from Gonne/nixConfig:bragi into main 2024-03-30 19:10:30 +00:00
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nixos/modules/borgbackup.nix
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@ -112,16 +112,24 @@ in {
allowSubRepos = true; allowSubRepos = true;
}; };
}; };
# Configure backup of files on the department's fs account # Configure backup of files on the department's fs account:
# This job first copies the files to the local account 'fsaccount' in tmpfs
# and then takes a regular backup of the mirrored folder.
# See also https://borgbackup.readthedocs.io/en/stable/deployment/pull-backup.html
# which does not work due to missing permissions.
jobs.fsaccount = { jobs.fsaccount = {
preHook = '' preHook = ''
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nerf commented 2024-03-30 15:29:10 +00:00
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I would put a small note here, that encryption would mean either putting the key next to the backup or human interaction.

I would put a small note here, that encryption would mean either putting the key next to the backup or human interaction.
mkdir -p /home/fsaccount/sicherung # Create if it does not exist mkdir -p /home/fsaccount/sicherung # Create if it does not exist
${pkgs.rsync}/bin/rsync -e 'ssh -i /run/secrets/backupKey' -r fachschaft@gw1.mathematik.tu-darmstadt.de:/home/fachschaft/* /home/fsaccount/sicherung ${pkgs.rsync}/bin/rsync -e 'ssh -i /run/secrets/backupKey' -r fachschaft@gw1.mathematik.tu-darmstadt.de:/home/fachschaft/* /home/fsaccount/sicherung
''; '';
nerf commented 2024-03-30 15:33:13 +00:00
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Why is this here, what does it do? I also don't really get it from the Borg documentation

BORG_UNKNOWN_UNENCRYPTED_REPO_ACCESS_IS_OK=no (or =yes)

For “Warning: Attempting to access a previously unknown unencrypted repository”

Why is this here, what does it do? I also don't really get it from the Borg documentation > BORG_UNKNOWN_UNENCRYPTED_REPO_ACCESS_IS_OK=no (or =yes) > > For “Warning: Attempting to access a previously unknown unencrypted repository”
paths = "/home/fsaccount/sicherung"; paths = "/home/fsaccount/sicherung";
encryption.mode = "none"; encryption.mode = "none"; # Otherwise the key is next to the backup or we have human interaction.
environment = { environment = {
BORG_RSH = "ssh -i /run/secrets/backupKey"; BORG_RSH = "ssh -i /run/secrets/backupKey";
# “Borg ensures that backups are not created on random drives that ‘just happen’ to contain a Borg repository.”
# https://borgbackup.readthedocs.io/en/stable/deployment/automated-local.html
# We don't want this in order to not need to persist borg cache and simplify new deployments.
BORG_UNKNOWN_UNENCRYPTED_REPO_ACCESS_IS_OK = "yes"; BORG_UNKNOWN_UNENCRYPTED_REPO_ACCESS_IS_OK = "yes";
}; };
repo = "borg@localhost:fsaccount"; repo = "borg@localhost:fsaccount";
@ -131,6 +139,16 @@ in {
readWritePaths = ["/home/fsaccount"]; readWritePaths = ["/home/fsaccount"];
}; };
}; };
# Extra user for FS account backup
users.users = {
fsaccount = {
description = "FS Account backup";
isSystemUser = true;
home = "/home/fsaccount";
createHome = true;
group = "users";
};
};
environment.persistence.${config.impermanence.name} = { environment.persistence.${config.impermanence.name} = {
users.fsaccount.files = [ users.fsaccount.files = [
{ {
@ -149,15 +167,5 @@ in {
inherit (config.users.users.fsaccount) group; inherit (config.users.users.fsaccount) group;
mode = "0400"; mode = "0400";
}; };
# Extra user for FS account backup
users.users = {
fsaccount = {
description = "FS Account backup";
isSystemUser = true;
home = "/home/fsaccount";
createHome = true;
group = "users";
};
};
}; };
} }