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#![allow(missing_docs)]
#[macro_use]
extern crate slog;
#[macro_use]
extern crate hyper;
use cadence::prelude::*;
use cadence::{BufferedUdpMetricSink, QueuingMetricSink, StatsdClient};
use clap::App;
use fatcat::errors::Result;
use fatcat::server;
use iron::middleware::AfterMiddleware;
use iron::modifiers::RedirectRaw;
use iron::{status, Chain, Iron, IronResult, Request, Response};
use iron_slog::{DefaultLogFormatter, LoggerMiddleware};
use sentry::integrations::panic;
use slog::{Drain, Logger};
use std::env;
use std::net::UdpSocket;
// HTTP header middleware
header! { (XClacksOverhead, "X-Clacks-Overhead") => [String] }
pub struct XClacksOverheadMiddleware;
impl AfterMiddleware for XClacksOverheadMiddleware {
fn after(&self, _req: &mut Request, mut res: Response) -> iron::IronResult<Response> {
res.headers
.set(XClacksOverhead("GNU aaronsw, jpb, pde".to_owned()));
Ok(res)
}
}
/// Create custom server, wire it to the autogenerated router,
/// and pass it to the web server.
fn main() -> Result<()> {
let _matches = App::new("fatcatd")
.version(env!("CARGO_PKG_VERSION"))
.author("Bryan Newbold <bnewbold@archive.org>")
.about("Fatcat API Server")
.get_matches();
dotenv::dotenv().ok();
let decorator = slog_term::TermDecorator::new().build();
let drain = slog_term::CompactFormat::new(decorator).build().fuse();
let drain = slog_async::Async::new(drain).build().fuse();
let logger = Logger::root(drain, o!());
let _scope_guard = slog_scope::set_global_logger(logger.clone());
slog_stdlog::init().unwrap();
let formatter = DefaultLogFormatter;
// sentry exception handling
let sentry_dsn = env::var("SENTRY_DSN");
let _guard = if let Ok(dsn) = sentry_dsn {
let client = sentry::init(dsn);
panic::register_panic_handler();
info!(logger, "Sentry configured via DSN");
Some(client)
} else {
info!(logger, "Sentry not configured");
None
};
let mut server = server::create_server()?;
// metrics reporting
match env::var("FATCAT_STATSD_HOST") {
Err(_) => {
info!(logger, "no metrics recipient configured");
}
Ok(host) => {
let port: u16 = match env::var("FATCAT_STATSD_PORT") {
Err(_) => cadence::DEFAULT_PORT,
Ok(var) => var.parse::<u16>()?, // "expect FATCAT_STATSD_PORT to be null or an integer
};
let socket = UdpSocket::bind("0.0.0.0:0").unwrap();
socket.set_nonblocking(true).unwrap();
let udp_sink = BufferedUdpMetricSink::from((host.as_ref(), port), socket).unwrap();
let queuing_sink = QueuingMetricSink::from(udp_sink);
info!(
logger,
"sending statsd metrics via UDP to: {}:{}", host, port
);
server.metrics = StatsdClient::from_sink("fatcat.api", queuing_sink);
//server.metrics = StatsdClient::from_udp_host("fatcat.api", (host.as_ref(), port))?;
server.metrics.incr("restart").unwrap();
}
};
info!(
logger,
"using primary auth key: {}", server.auth_confectionary.identifier,
);
info!(
logger,
"all auth keys: {:?}",
server
.auth_confectionary
.root_keys
.keys()
.collect::<Vec<&String>>(),
);
let mut router = fatcat_openapi::router(server);
router.get("/", root_handler, "root-redirect");
router.get("/redoc", redoc_handler, "redoc-html");
router.get("/swagger-ui", swaggerui_handler, "swagger-ui-html");
router.get("/v0/openapi2.yml", yaml_handler, "openapi2-spec-yaml");
fn root_handler(_: &mut Request) -> IronResult<Response> {
Ok(Response::with((
status::Found,
RedirectRaw("/redoc".to_string()),
)))
}
fn redoc_handler(_: &mut Request) -> IronResult<Response> {
let html_type = "text/html".parse::<iron::mime::Mime>().unwrap();
Ok(Response::with((
html_type,
status::Ok,
include_str!("../../redoc/index.html"),
)))
}
fn swaggerui_handler(_: &mut Request) -> IronResult<Response> {
let html_type = "text/html".parse::<iron::mime::Mime>().unwrap();
Ok(Response::with((
html_type,
status::Ok,
include_str!("../../swagger-ui/index.html"),
)))
}
fn yaml_handler(_: &mut Request) -> IronResult<Response> {
Ok(Response::with((
status::Ok,
include_str!("../../../fatcat-openapi2.yml"),
)))
}
let host_port = "localhost:9411";
info!(
logger,
"Starting fatcatd API server version {} on http://{}",
env!("CARGO_PKG_VERSION"),
&host_port,
);
let mut chain = Chain::new(LoggerMiddleware::new(router, logger, formatter));
// authentication
chain.link_before(fatcat_openapi::server::ExtractAuthData);
chain.link_before(fatcat::auth::MacaroonAuthMiddleware::new());
chain.link_after(XClacksOverheadMiddleware);
// No HTTPS, only HTTP
Iron::new(chain)
.http(host_port)
.expect("failed to start HTTP server");
Ok(())
}
|
