1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
#![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".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("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());
let _log_guard = 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 on http://{}", &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(())
}
|
