Macro gelf_logger::gelf_alert

macro_rules! gelf_alert {
    (extra: $extra:expr, $($arg:tt)+) => { ... };
    ($($arg:tt)+) => { ... };
}

Logs a message at the alert level (Should be corrected immediately).

Notify staff who can fix the problem - example is loss of backup ISP connection.

Examples

gelf_alert!("Action must be taken immediately.");