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send notification on success or failure

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This commit is contained in:
jaina heartles 2025-01-01 21:28:20 -05:00
parent 78290f44cc
commit b71910e379
1 changed files with 34 additions and 26 deletions
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60
backup.nix
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@ -17,8 +17,8 @@ let
tar -cz -C /var/lib/redis-misskey .
'';
notifyErrorPkg = pkgs.writeShellApplication {
name = "notify-error";
notifyEmailPkg = pkgs.writeShellApplication {
name = "notify-email";
runtimeInputs = [ pkgs.system-sendmail pkgs.coreutils ];
@ -29,10 +29,15 @@ let
to="admin@heartles.xyz"
email="$(cat <<EOEMAIL
header="$(cat <<EOEMAIL
To: $to
From: $from
Subject: $subject
EOEMAIL
)"
email="$(cat <<EOEMAIL
$header
$text
@ -40,7 +45,7 @@ let
)"
echo "Sending message:"
cat <<< "$email"
cat <<< "$header"
sendmail -f "$from" "$to" <<< "$email"
'';
@ -102,6 +107,31 @@ in {
echo "Backup complete to '$s3Dir'"
'';
serviceConfig.ExecStopPost = let
script = pkgs.writeScript "backup-notify" ''
invocationId="$(systemctl show --value -p InvocationID misskey-backup.service)"
logs="$(journalctl _SYSTEMD_INVOCATION_ID="$invocationId" -u misskey-backup.service)"
if [ "$SERVICE_RESULT" = "success"]; then
${notifyEmailPkg}/bin/notify-email "backup" "SUCCESS: Misskey Backup Notification" "$(cat <<EOMSG
A backup process has succeeded. Logs to follow:
$logs
EOMSG
)"
else
${notifyEmailPkg}/bin/notify-email "backup" "FAILURE: Misskey Backup Notification" "$(cat <<EOMSG
A backup process has failed. Logs to follow:
$logs
EOMSG
)"
fi
'';
in "${script}";
after = [ "network-online.target" ];
wants = [ "network-online.target" ];
requires = [ "postgresql.service" ];
@ -109,28 +139,6 @@ in {
unitConfig.OnFailure = "misskey-backup-failure.service";
};
systemd.services.misskey-backup-failure = {
description = "Misskey backup failure notification";
serviceConfig.User = user;
serviceConfig.Type = "oneshot";
script = ''
invocationId="$(systemctl show --value -p InvocationID misskey-backup.service)"
logs="$(journalctl _SYSTEMD_INVOCATION_ID="$invocationId" -u misskey-backup.service)"
${notifyErrorPkg}/bin/notify-error "backup" "Misskey Backup Failure Notification" "$(cat <<EOMSG
A backup process has failed. Logs to follow:
$logs
EOMSG
)"
'';
requires = [ "postfix.service" ];
};
systemd.timers.misskey-backup = { timerConfig.Persistent = true; };
security.sudo.extraRules = [{