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pub use tracing;
pub use actix_web;
pub use futures;
pub use uuid;
use tracing::{event, Level};
use std::env::{self, VarError};
use std::sync::Once;
static INIT: Once = Once::new();
pub fn init_logger() {
INIT.call_once(|| {
tracing_subscriber::fmt()
.with_ansi(false)
.without_time()
.with_env_filter(
tracing_subscriber::EnvFilter::from_default_env(),
)
.init();
});
}
pub fn log_simple_err_callback<E: std::fmt::Debug>(
msg: &'static str,
) -> impl FnOnce(E) -> E {
move |e| {
log_simple_err(msg, &e);
e
}
}
pub fn log_simple_err<E: std::fmt::Debug>(msg: &str, err: &E) {
event!(Level::ERROR, msg, error = ?err);
}
pub fn logged_var(variable_name: &str) -> Result<String, VarError> {
env::var(variable_name).map_err(|e| {
event!(
Level::ERROR,
msg = "unset environment",
variable = variable_name
);
VarError::from(e)
})
}
#[macro_export]
macro_rules! scoped_logger {
() => {
|mut req, srv| {
use jonases_tracing_util::actix_web::dev::Service;
use jonases_tracing_util::actix_web::http::{HeaderName, HeaderValue};
let mut headers = req.headers_mut();
let request_id = if let Some(id) = headers.get("x-request-id") {
(&*String::from_utf8_lossy(id.as_bytes())).to_owned()
} else {
let request_id =
jonases_tracing_util::uuid::Uuid::new_v4().to_string();
let name =
HeaderName::from_lowercase(b"x-request-id").unwrap();
let value = HeaderValue::from_str(&request_id).unwrap();
headers.insert(name, value);
request_id
};
let uri = req.uri().clone();
let res = srv.call(req);
async move {
let span = jonases_tracing_util::tracing::span!(
jonases_tracing_util::tracing::Level::INFO,
"span",
%uri,
%request_id
);
let _enter = span.enter();
match res.await {
Ok(mut res) => {
let status = res.status();
if !res.status().is_success() {
jonases_tracing_util::tracing::event!(
jonases_tracing_util::tracing::Level::ERROR,
msg = "unsuccessful response",
status = %status,
);
} else {
jonases_tracing_util::tracing::event!(
jonases_tracing_util::tracing::Level::INFO,
msg = "successful response",
status = %status,
);
}
Ok(res)
},
Err(e) => {
let status = e.as_response_error().status_code();
jonases_tracing_util::tracing::event!(
jonases_tracing_util::tracing::Level::ERROR,
msg = "unsuccessful response",
status = %status,
error_body = %e,
);
Err(e)
},
}
}
}
}
}