2021-12-19 16:43:13 +00:00
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mod api;
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2021-07-12 20:14:39 +00:00
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mod auth;
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2021-08-06 02:06:50 +00:00
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mod db;
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2021-07-12 20:14:39 +00:00
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mod env;
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mod rpc;
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2022-04-25 00:02:14 +00:00
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use axum::{body::Body, http::StatusCode, response::IntoResponse, Router};
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2022-02-17 16:04:04 +00:00
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use db::{Db, PostgresDb};
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2022-04-21 14:57:49 +00:00
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use serde::Deserialize;
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2022-04-26 17:15:41 +00:00
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use std::{
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net::{SocketAddr, TcpListener},
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sync::Arc,
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};
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2022-05-12 15:58:17 +00:00
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use tracing_log::LogTracer;
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2022-05-17 15:11:43 +00:00
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use tracing_subscriber::{filter::EnvFilter, fmt::format::JsonFields, Layer};
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2022-05-12 15:58:17 +00:00
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use util::ResultExt;
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2021-07-12 20:14:39 +00:00
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#[derive(Default, Deserialize)]
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pub struct Config {
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pub http_port: u16,
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pub database_url: String,
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2021-12-19 16:43:13 +00:00
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pub api_token: String,
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2022-04-22 17:55:10 +00:00
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pub honeycomb_api_key: Option<String>,
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pub honeycomb_dataset: Option<String>,
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2022-05-12 15:58:17 +00:00
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pub rust_log: Option<String>,
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2022-05-17 15:11:43 +00:00
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pub log_json: Option<bool>,
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2021-07-12 20:14:39 +00:00
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}
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pub struct AppState {
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2022-02-17 16:04:04 +00:00
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db: Arc<dyn Db>,
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2022-04-26 02:05:09 +00:00
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api_token: String,
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2021-07-12 20:14:39 +00:00
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}
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impl AppState {
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2022-04-26 02:12:32 +00:00
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async fn new(config: &Config) -> Result<Arc<Self>> {
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2022-02-17 16:04:04 +00:00
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let db = PostgresDb::new(&config.database_url, 5).await?;
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2021-07-12 20:14:39 +00:00
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let this = Self {
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2022-02-17 16:04:04 +00:00
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db: Arc::new(db),
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2022-04-26 02:05:09 +00:00
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api_token: config.api_token.clone(),
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2021-07-12 20:14:39 +00:00
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};
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Ok(Arc::new(this))
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}
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}
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2022-04-22 19:33:19 +00:00
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#[tokio::main]
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async fn main() -> Result<()> {
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2021-07-12 20:14:39 +00:00
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if let Err(error) = env::load_dotenv() {
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2022-05-12 16:05:49 +00:00
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eprintln!(
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2021-07-12 20:14:39 +00:00
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"error loading .env.toml (this is expected in production): {}",
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error
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);
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}
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let config = envy::from_env::<Config>().expect("error loading config");
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2022-04-29 14:45:29 +00:00
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init_tracing(&config);
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2022-04-26 02:12:32 +00:00
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let state = AppState::new(&config).await?;
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2021-09-29 17:15:19 +00:00
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2022-04-26 02:21:43 +00:00
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let listener = TcpListener::bind(&format!("0.0.0.0:{}", config.http_port))
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.expect("failed to bind TCP listener");
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2022-04-26 02:05:09 +00:00
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2022-04-26 02:21:43 +00:00
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let app = Router::<Body>::new()
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2022-04-26 17:15:41 +00:00
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.merge(api::routes(state.clone()))
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.merge(rpc::routes(state));
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2021-07-12 20:14:39 +00:00
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2022-04-24 17:08:25 +00:00
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axum::Server::from_tcp(listener)?
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2022-04-26 17:15:41 +00:00
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.serve(app.into_make_service_with_connect_info::<SocketAddr>())
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2022-04-24 17:08:25 +00:00
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.await?;
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2021-07-12 20:14:39 +00:00
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Ok(())
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}
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2022-04-25 00:02:14 +00:00
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2022-04-26 17:15:41 +00:00
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pub type Result<T, E = Error> = std::result::Result<T, E>;
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2022-04-25 00:02:14 +00:00
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2022-04-25 23:51:13 +00:00
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pub enum Error {
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Http(StatusCode, String),
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Internal(anyhow::Error),
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}
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2022-04-25 00:02:14 +00:00
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2022-05-19 17:09:44 +00:00
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impl From<anyhow::Error> for Error {
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fn from(error: anyhow::Error) -> Self {
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Self::Internal(error)
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}
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}
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impl From<sqlx::Error> for Error {
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fn from(error: sqlx::Error) -> Self {
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2022-04-25 23:51:13 +00:00
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Self::Internal(error.into())
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2022-04-25 00:02:14 +00:00
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}
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}
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impl IntoResponse for Error {
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fn into_response(self) -> axum::response::Response {
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2022-04-25 23:51:13 +00:00
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match self {
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Error::Http(code, message) => (code, message).into_response(),
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Error::Internal(error) => {
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(StatusCode::INTERNAL_SERVER_ERROR, format!("{}", &error)).into_response()
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}
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}
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2022-04-25 00:02:14 +00:00
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}
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}
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impl std::fmt::Debug for Error {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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2022-04-25 23:51:13 +00:00
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match self {
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Error::Http(code, message) => (code, message).fmt(f),
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Error::Internal(error) => error.fmt(f),
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}
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2022-04-25 00:02:14 +00:00
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}
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}
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impl std::fmt::Display for Error {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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2022-04-25 23:51:13 +00:00
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match self {
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Error::Http(code, message) => write!(f, "{code}: {message}"),
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Error::Internal(error) => error.fmt(f),
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}
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2022-04-25 00:02:14 +00:00
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}
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}
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2022-04-22 17:55:10 +00:00
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2022-05-19 17:09:44 +00:00
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impl std::error::Error for Error {}
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2022-04-29 14:45:29 +00:00
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pub fn init_tracing(config: &Config) -> Option<()> {
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2022-04-27 17:48:43 +00:00
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use opentelemetry::KeyValue;
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2022-04-22 17:55:10 +00:00
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use opentelemetry_otlp::WithExportConfig;
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2022-04-27 21:26:54 +00:00
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use std::str::FromStr;
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2022-04-27 17:48:43 +00:00
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use tracing_opentelemetry::OpenTelemetryLayer;
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use tracing_subscriber::layer::SubscriberExt;
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2022-05-12 16:16:50 +00:00
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let rust_log = config.rust_log.clone()?;
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2022-05-12 15:58:17 +00:00
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LogTracer::init().log_err()?;
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2022-04-27 17:48:43 +00:00
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2022-05-12 15:58:17 +00:00
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let open_telemetry_layer = config
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2022-04-22 17:55:10 +00:00
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.honeycomb_api_key
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.clone()
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2022-05-12 15:58:17 +00:00
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.zip(config.honeycomb_dataset.clone())
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.map(|(honeycomb_api_key, honeycomb_dataset)| {
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let mut metadata = tonic::metadata::MetadataMap::new();
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metadata.insert("x-honeycomb-team", honeycomb_api_key.parse().unwrap());
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let tracer = opentelemetry_otlp::new_pipeline()
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.tracing()
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.with_exporter(
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opentelemetry_otlp::new_exporter()
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.tonic()
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.with_endpoint("https://api.honeycomb.io")
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.with_metadata(metadata),
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)
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.with_trace_config(opentelemetry::sdk::trace::config().with_resource(
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opentelemetry::sdk::Resource::new(vec![KeyValue::new(
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"service.name",
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honeycomb_dataset,
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)]),
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))
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.install_batch(opentelemetry::runtime::Tokio)
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.expect("failed to initialize tracing");
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OpenTelemetryLayer::new(tracer)
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});
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2022-04-22 17:55:10 +00:00
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2022-04-27 17:48:43 +00:00
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let subscriber = tracing_subscriber::Registry::default()
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2022-05-12 15:58:17 +00:00
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.with(open_telemetry_layer)
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2022-05-17 15:11:43 +00:00
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.with(if config.log_json.unwrap_or(false) {
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Box::new(
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tracing_subscriber::fmt::layer()
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.fmt_fields(JsonFields::default())
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.event_format(
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tracing_subscriber::fmt::format()
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.json()
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.flatten_event(true)
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.with_span_list(true),
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),
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) as Box<dyn Layer<_> + Send + Sync>
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} else {
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Box::new(
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tracing_subscriber::fmt::layer()
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.event_format(tracing_subscriber::fmt::format().pretty()),
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)
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})
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2022-05-12 16:16:50 +00:00
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.with(EnvFilter::from_str(rust_log.as_str()).log_err()?);
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2022-04-27 17:48:43 +00:00
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tracing::subscriber::set_global_default(subscriber).unwrap();
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2022-04-29 14:45:29 +00:00
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None
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2022-04-22 17:55:10 +00:00
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}
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