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Exported boilerplate to external crate

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This commit is contained in:
Francesco Cogno 2019-06-09 20:09:06 +02:00
parent 2cd6f2087f
commit ee164d2f73
6 changed files with 269 additions and 206 deletions
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100
Cargo.lock generated
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@ -41,7 +41,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -1037,7 +1056,7 @@ dependencies = [
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"checksum http-body 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6741c859c1b2463a423a1dbce98d418e6c3c3fc720fb0d45528657320920292d" "checksum http-body 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6741c859c1b2463a423a1dbce98d418e6c3c3fc720fb0d45528657320920292d"
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@ -1063,6 +1082,7 @@ dependencies = [
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@ -1078,8 +1098,8 @@ dependencies = [
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"checksum rustc-demangle 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "a7f4dccf6f4891ebcc0c39f9b6eb1a83b9bf5d747cb439ec6fba4f3b977038af" "checksum rustc-demangle 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "a7f4dccf6f4891ebcc0c39f9b6eb1a83b9bf5d747cb439ec6fba4f3b977038af"
"checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a" "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
"checksum ryu 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "b96a9549dc8d48f2c283938303c4b5a77aa29bfbc5b54b084fb1630408899a8f" "checksum ryu 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "b96a9549dc8d48f2c283938303c4b5a77aa29bfbc5b54b084fb1630408899a8f"
@ -1092,11 +1112,11 @@ dependencies = [
"checksum slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8" "checksum slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
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"checksum termion 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dde0593aeb8d47accea5392b39350015b5eccb12c0d98044d856983d89548dea" "checksum termion 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dde0593aeb8d47accea5392b39350015b5eccb12c0d98044d856983d89548dea"
"checksum textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060" "checksum textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
"checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b" "checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
@ -1107,7 +1127,7 @@ dependencies = [
"checksum tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "83ea44c6c0773cc034771693711c35c677b4b5a4b21b9e7071704c54de7d555e" "checksum tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "83ea44c6c0773cc034771693711c35c677b4b5a4b21b9e7071704c54de7d555e"
"checksum tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "5090db468dad16e1a7a54c8c67280c5e4b544f3d3e018f0b913b400261f85926" "checksum tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "5090db468dad16e1a7a54c8c67280c5e4b544f3d3e018f0b913b400261f85926"
"checksum tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "6af16bfac7e112bea8b0442542161bfc41cbfa4466b580bdda7d18cb88b911ce" "checksum tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "6af16bfac7e112bea8b0442542161bfc41cbfa4466b580bdda7d18cb88b911ce"
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"checksum tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "1d14b10654be682ac43efee27401d792507e30fd8d26389e1da3b185de2e4119" "checksum tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "1d14b10654be682ac43efee27401d792507e30fd8d26389e1da3b185de2e4119"
"checksum tokio-threadpool 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "72558af20be886ea124595ea0f806dd5703b8958e4705429dd58b3d8231f72f2" "checksum tokio-threadpool 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "72558af20be886ea124595ea0f806dd5703b8958e4705429dd58b3d8231f72f2"
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@ -1116,7 +1136,7 @@ dependencies = [
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5
Cargo.toml
View File

@ -1,6 +1,6 @@
[package] [package]
name = "prometheus_wireguard_exporter" name = "prometheus_wireguard_exporter"
version = "2.0.1" version = "2.0.2"
authors = ["Francesco Cogno <francesco.cogno@outlook.com>"] authors = ["Francesco Cogno <francesco.cogno@outlook.com>"]
description = "Prometheus WireGuard Exporter" description = "Prometheus WireGuard Exporter"
edition = "2018" edition = "2018"
@ -14,7 +14,6 @@ homepage = "https://github.com/MindFlavor/prometheus_wireguard_exporter"
keywords = ["prometheus", "exporter", "wireguard"] keywords = ["prometheus", "exporter", "wireguard"]
categories = ["database"] categories = ["database"]
[dependencies] [dependencies]
log = "0.4.6" log = "0.4.6"
env_logger = "0.6.1" env_logger = "0.6.1"
@ -26,3 +25,5 @@ serde_derive = "1.0.91"
failure = "0.1.5" failure = "0.1.5"
hyper = "0.12.29" hyper = "0.12.29"
http = "0.1.17" http = "0.1.17"
prometheus_exporter_base = "0.2.0"

4
src/exporter_error.rs
View File

@ -1,5 +1,5 @@
#[derive(Debug, Fail)] #[derive(Debug, Fail)]
pub(crate) enum PeerEntryParseError { pub enum PeerEntryParseError {
#[fail(display = "PublicKey entry not found in lines: {:?}", lines)] #[fail(display = "PublicKey entry not found in lines: {:?}", lines)]
PublicKeyNotFound { lines: Vec<String> }, PublicKeyNotFound { lines: Vec<String> },
@ -8,7 +8,7 @@ pub(crate) enum PeerEntryParseError {
} }
#[derive(Debug, Fail)] #[derive(Debug, Fail)]
pub(crate) enum ExporterError { pub enum ExporterError {
#[allow(dead_code)] #[allow(dead_code)]
#[fail(display = "Generic error")] #[fail(display = "Generic error")]
Generic {}, Generic {},

97
src/main.rs
View File

@ -2,65 +2,25 @@ extern crate serde_json;
#[macro_use] #[macro_use]
extern crate failure; extern crate failure;
use clap; use clap;
use clap::Arg; use clap::{crate_authors, crate_name, crate_version, Arg};
use futures::future::{done, ok, Either, Future}; use futures::future::{done, ok, Either, Future};
use http::StatusCode; use hyper::{Body, Request, Response};
use hyper::service::service_fn; use log::{info, trace};
use hyper::{Body, Request, Response, Server};
use log::{error, info, trace};
use std::env; use std::env;
mod options; mod options;
use options::Options; use options::Options;
mod exporter_error;
use exporter_error::ExporterError;
mod render_to_prometheus;
use render_to_prometheus::RenderToPrometheus;
mod wireguard; mod wireguard;
use std::convert::TryFrom; use std::convert::TryFrom;
use std::process::Command; use std::process::Command;
use std::string::String; use std::string::String;
use wireguard::WireGuard; use wireguard::WireGuard;
mod exporter_error;
mod wireguard_config; mod wireguard_config;
use wireguard_config::peer_entry_hashmap_try_from; use wireguard_config::peer_entry_hashmap_try_from;
extern crate prometheus_exporter_base;
fn check_compliance(req: &Request<Body>) -> Result<(), Response<Body>> { use crate::exporter_error::ExporterError;
if req.uri() != "/metrics" { use prometheus_exporter_base::render_prometheus;
trace!("uri not allowed {}", req.uri()); use std::sync::Arc;
Err(Response::builder()
.status(StatusCode::NOT_FOUND)
.body(hyper::Body::empty())
.unwrap())
} else if req.method() != "GET" {
trace!("method not allowed {}", req.method());
Err(Response::builder()
.status(StatusCode::METHOD_NOT_ALLOWED)
.body(hyper::Body::empty())
.unwrap())
} else {
Ok(())
}
}
fn handle_request(
req: Request<Body>,
options: Options,
) -> impl Future<Item = Response<Body>, Error = failure::Error> {
trace!("{:?}", req);
done(check_compliance(&req)).then(move |res| match res {
Ok(_) => Either::A(perform_request(req, &options).then(|res| match res {
Ok(body) => ok(body),
Err(err) => {
error!("internal server error: {:?}", err);
ok(Response::builder()
.status(StatusCode::INTERNAL_SERVER_ERROR)
.body(hyper::Body::empty())
.unwrap())
}
})),
Err(err) => Either::B(ok(err)),
})
}
fn wg_with_text( fn wg_with_text(
wg_config_str: &str, wg_config_str: &str,
@ -76,8 +36,8 @@ fn wg_with_text(
fn perform_request( fn perform_request(
_req: Request<Body>, _req: Request<Body>,
options: &Options, options: &Arc<Options>,
) -> impl Future<Item = Response<Body>, Error = ExporterError> { ) -> impl Future<Item = Response<Body>, Error = failure::Error> {
trace!("perform_request"); trace!("perform_request");
// this is needed to satisfy the borrow checker // this is needed to satisfy the borrow checker
@ -91,8 +51,8 @@ fn perform_request(
.output(), .output(),
) )
.from_err() .from_err()
.and_then(|output| { .and_then(move |output| {
if let Some(extract_names_config_file) = options.extract_names_config_file { if let Some(extract_names_config_file) = &options.extract_names_config_file {
Either::A( Either::A(
done(::std::fs::read_to_string(extract_names_config_file)) done(::std::fs::read_to_string(extract_names_config_file))
.from_err() .from_err()
@ -106,17 +66,20 @@ fn perform_request(
trace!("{}", output_str); trace!("{}", output_str);
done(WireGuard::try_from(&output_str as &str)) done(WireGuard::try_from(&output_str as &str))
.from_err() .from_err()
.and_then(|wg| ok(Response::new(Body::from(wg.render())))) .and_then(|wg| {
ok(Response::new(Body::from(wg.render_with_names(None))))
})
}), }),
) )
} }
}) })
.from_err()
} }
fn main() { fn main() {
let matches = clap::App::new("prometheus_wireguard_exporter") let matches = clap::App::new(crate_name!())
.version("1.2.0") .version(crate_version!())
.author("Francesco Cogno <francesco.cogno@outlook.com>") .author(crate_authors!("\n"))
.arg( .arg(
Arg::with_name("port") Arg::with_name("port")
.short("p") .short("p")
@ -140,9 +103,15 @@ fn main() {
let options = Options::from_claps(&matches); let options = Options::from_claps(&matches);
if options.verbose { if options.verbose {
env::set_var("RUST_LOG", "prometheus_wireguard_exporter=trace"); env::set_var(
"RUST_LOG",
format!("{}=trace,prometheus_exporter_base=trace", crate_name!()),
);
} else { } else {
env::set_var("RUST_LOG", "prometheus_wireguard_exporter=info"); env::set_var(
"RUST_LOG",
format!("{}=info,prometheus_exporter_base=info", crate_name!()),
);
} }
env_logger::init(); env_logger::init();
@ -154,13 +123,7 @@ fn main() {
info!("starting exporter on {}", addr); info!("starting exporter on {}", addr);
let new_svc = move || { render_prometheus(&addr, options, |request, options| {
let options = options.clone(); Box::new(perform_request(request, options))
service_fn(move |req| handle_request(req, options.clone())) });
};
let server = Server::bind(&addr)
.serve(new_svc)
.map_err(|e| eprintln!("server error: {}", e));
hyper::rt::run(server);
} }

3
src/render_to_prometheus.rs
View File

@ -1,3 +0,0 @@
pub trait RenderToPrometheus {
fn render(&self) -> String;
}

212
src/wireguard.rs
View File

@ -1,7 +1,7 @@
use crate::exporter_error::ExporterError; use crate::exporter_error::ExporterError;
use crate::render_to_prometheus::RenderToPrometheus;
use crate::wireguard_config::PeerEntryHashMap; use crate::wireguard_config::PeerEntryHashMap;
use log::{debug, trace}; use log::{debug, trace};
use prometheus_exporter_base::PrometheusCounter;
use std::collections::HashMap; use std::collections::HashMap;
use std::convert::TryFrom; use std::convert::TryFrom;
use std::net::SocketAddr; use std::net::SocketAddr;
@ -80,10 +80,7 @@ impl TryFrom<&str> for WireGuard {
let (remote_ip, remote_port) = if let Some(ip_and_port) = to_option_string(v[3]) { let (remote_ip, remote_port) = if let Some(ip_and_port) = to_option_string(v[3]) {
let addr: SocketAddr = ip_and_port.parse::<SocketAddr>().unwrap(); let addr: SocketAddr = ip_and_port.parse::<SocketAddr>().unwrap();
( (Some(addr.ip().to_string()), Some(addr.port()))
Some(addr.ip().to_string()),
Some(addr.port()),
)
} else { } else {
(None, None) (None, None)
}; };
@ -122,86 +119,88 @@ impl TryFrom<&str> for WireGuard {
impl WireGuard { impl WireGuard {
pub(crate) fn render_with_names(&self, pehm: Option<&PeerEntryHashMap>) -> String { pub(crate) fn render_with_names(&self, pehm: Option<&PeerEntryHashMap>) -> String {
let mut latest_handshakes = Vec::new(); // these are the exported counters
let mut sent_bytes = Vec::new(); let pc_sent_bytes_total = PrometheusCounter::new(
let mut received_bytes = Vec::new(); "wireguard_sent_bytes_total",
"counter",
"Bytes sent to the peer",
);
let pc_received_bytes_total = PrometheusCounter::new(
"wireguard_received_bytes_total",
"counter",
"Bytes received from the peer",
);
let pc_latest_handshake = PrometheusCounter::new(
"wireguard_latest_handshake_seconds",
"gauge",
"Seconds from the last handshake",
);
// these 3 vectors will hold the intermediate
// values. We use the vector in order to traverse
// the interfaces slice only once: since we need to output
// the values grouped by counter we populate the vectors here
// and then reorder during the final string creation phase.
let mut s_sent_bytes_total = Vec::new();
s_sent_bytes_total.push(pc_sent_bytes_total.render_header());
let mut s_received_bytes_total = Vec::new();
s_received_bytes_total.push(pc_received_bytes_total.render_header());
let mut s_latest_handshake = Vec::new();
s_latest_handshake.push(pc_latest_handshake.render_header());
if let Some(pehm) = pehm {
// here we try to add the "friendly" name looking in the hashmap
for (interface, endpoints) in self.interfaces.iter() { for (interface, endpoints) in self.interfaces.iter() {
for endpoint in endpoints { for endpoint in endpoints {
// only show remote endpoints // only show remote endpoints
if let Endpoint::Remote(ep) = endpoint { if let Endpoint::Remote(ep) = endpoint {
debug!("{:?}", ep); debug!("{:?}", ep);
let mut attributes: Vec<(&str, &str)> = Vec::new();
attributes.push(("inteface", interface));
attributes.push(("public_key", &ep.public_key));
attributes.push(("local_ip", &ep.local_ip));
attributes.push(("local_subnet", &ep.local_subnet));
// let's add the friendly_name attribute if present
// and has meaniningful value
if let Some(pehm) = pehm {
if let Some(ep_friendly_name) = pehm.get(&ep.public_key as &str) { if let Some(ep_friendly_name) = pehm.get(&ep.public_key as &str) {
if let Some(ep_friendly_name) = ep_friendly_name.name { if let Some(ep_friendly_name) = ep_friendly_name.name {
sent_bytes.push(format!("wireguard_sent_bytes_total{{inteface=\"{}\", public_key=\"{}\", local_ip=\"{}\", local_subnet=\"{}\", friendly_name=\"{}\"}} {}\n", interface, ep.public_key, ep.local_ip, ep.local_subnet, ep_friendly_name, ep.sent_bytes)); attributes.push(("friendly_name", &ep_friendly_name));
received_bytes.push(format!("wireguard_received_bytes_total{{inteface=\"{}\", public_key=\"{}\", local_ip=\"{}\", local_subnet=\"{}\", friendly_name=\"{}\"}} {}\n", interface, ep.public_key, ep.local_ip, ep.local_subnet, ep_friendly_name, ep.received_bytes));
latest_handshakes.push(format!("wireguard_latest_handshake_seconds{{inteface=\"{}\", public_key=\"{}\", local_ip=\"{}\", local_subnet=\"{}\", friendly_name=\"{}\"}} {}\n", interface, ep.public_key, ep.local_ip, ep.local_subnet, ep_friendly_name, ep.latest_handshake));
} else {
sent_bytes.push(format!("wireguard_sent_bytes_total{{inteface=\"{}\", public_key=\"{}\", local_ip=\"{}\", local_subnet=\"{}\"}} {}\n", interface, ep.public_key, ep.local_ip, ep.local_subnet, ep.sent_bytes));
received_bytes.push(format!("wireguard_received_bytes_total{{inteface=\"{}\", public_key=\"{}\", local_ip=\"{}\", local_subnet=\"{}\"}} {}\n", interface, ep.public_key, ep.local_ip, ep.local_subnet, ep.received_bytes));
latest_handshakes.push(format!("wireguard_latest_handshake_seconds{{inteface=\"{}\", public_key=\"{}\", local_ip=\"{}\", local_subnet=\"{}\"}} {}\n", interface, ep.public_key, ep.local_ip, ep.local_subnet, ep.latest_handshake));
}
} else {
sent_bytes.push(format!("wireguard_sent_bytes_total{{inteface=\"{}\", public_key=\"{}\", local_ip=\"{}\", local_subnet=\"{}\"}} {}\n", interface, ep.public_key, ep.local_ip, ep.local_subnet, ep.sent_bytes));
received_bytes.push(format!("wireguard_received_bytes_total{{inteface=\"{}\", public_key=\"{}\", local_ip=\"{}\", local_subnet=\"{}\"}} {}\n", interface, ep.public_key, ep.local_ip, ep.local_subnet, ep.received_bytes));
latest_handshakes.push(format!("wireguard_latest_handshake_seconds{{inteface=\"{}\", public_key=\"{}\", local_ip=\"{}\", local_subnet=\"{}\"}} {}\n", interface, ep.public_key, ep.local_ip, ep.local_subnet, ep.latest_handshake));
}
}
}
}
} else {
for (interface, endpoints) in self.interfaces.iter() {
for endpoint in endpoints {
// only show remote endpoints
if let Endpoint::Remote(ep) = endpoint {
debug!("{:?}", ep);
sent_bytes.push(format!("wireguard_sent_bytes_total{{inteface=\"{}\", public_key=\"{}\", local_ip=\"{}\", local_subnet=\"{}\"}} {}\n", interface, ep.public_key, ep.local_ip, ep.local_subnet, ep.sent_bytes));
received_bytes.push(format!("wireguard_received_bytes_total{{inteface=\"{}\", public_key=\"{}\", local_ip=\"{}\", local_subnet=\"{}\"}} {}\n", interface, ep.public_key, ep.local_ip, ep.local_subnet, ep.received_bytes));
latest_handshakes.push(format!("wireguard_latest_handshake_seconds{{inteface=\"{}\", public_key=\"{}\", local_ip=\"{}\", local_subnet=\"{}\"}} {}\n", interface, ep.public_key, ep.local_ip, ep.local_subnet, ep.latest_handshake));
}
} }
} }
} }
let mut s = String::new(); s_sent_bytes_total
.push(pc_sent_bytes_total.render_counter(Some(&attributes), ep.sent_bytes));
s.push_str( s_received_bytes_total.push(
"# HELP wireguard_sent_bytes_total Bytes sent to the peer pc_received_bytes_total
# TYPE wireguard_sent_bytes_total counter\n", .render_counter(Some(&attributes), ep.received_bytes),
); );
for peer in sent_bytes { s_latest_handshake.push(
s.push_str(&peer); pc_latest_handshake.render_counter(Some(&attributes), ep.latest_handshake),
}
s.push_str(
"# HELP wireguard_received_bytes_total Bytes received from the peer
# TYPE wireguard_received_bytes_total counter\n",
); );
for peer in received_bytes { }
s.push_str(&peer); }
} }
s.push_str( // now let's join the results and return it to the caller
"# HELP wireguard_latest_handshake_seconds Seconds from the last handshake let mut s = String::with_capacity(s_latest_handshake.len() * 64 * 3);
# TYPE wireguard_latest_handshake_seconds gauge\n", for item in s_sent_bytes_total {
); s.push_str(&item);
for peer in latest_handshakes { }
s.push_str(&peer); for item in s_received_bytes_total {
s.push_str(&item);
}
for item in s_latest_handshake {
s.push_str(&item);
} }
debug!("{}", s);
s s
} }
} }
impl RenderToPrometheus for WireGuard {
fn render(&self) -> String {
self.render_with_names(None)
}
}
#[cfg(test)] #[cfg(test)]
mod tests { mod tests {
use super::*; use super::*;
@ -228,13 +227,96 @@ wg0\t928vO9Lf4+Mo84cWu4k1oRyzf0AR7FTGoPKHGoTMSHk=\t(none)\t5.90.62.106:21741\t10
Endpoint::Remote(re) => re, Endpoint::Remote(re) => re,
}; };
assert!(e1.public_key == "2S7mA0vEMethCNQrJpJKE81/JmhgtB+tHHLYQhgM6kk="); assert_eq!(
e1.public_key,
"2S7mA0vEMethCNQrJpJKE81/JmhgtB+tHHLYQhgM6kk="
);
} }
#[test] #[test]
fn test_parse_and_serialize() { fn test_parse_and_serialize() {
let a = WireGuard::try_from(TEXT).unwrap(); let a = WireGuard::try_from(TEXT).unwrap();
let s = a.render(); let s = a.render_with_names(None);
println!("{}", s); println!("{}", s);
} }
#[test]
fn test_render_to_prometheus_simple() {
const REF : &str= "# HELP wireguard_sent_bytes_total Bytes sent to the peer\n# TYPE wireguard_sent_bytes_total counter\nwireguard_sent_bytes_total{inteface=\"Pippo\",public_key=\"test\",local_ip=\"local_ip\",local_subnet=\"local_subnet\"} 1000\n# HELP wireguard_received_bytes_total Bytes received from the peer\n# TYPE wireguard_received_bytes_total counter\nwireguard_received_bytes_total{inteface=\"Pippo\",public_key=\"test\",local_ip=\"local_ip\",local_subnet=\"local_subnet\"} 5000\n# HELP wireguard_latest_handshake_seconds Seconds from the last handshake\n# TYPE wireguard_latest_handshake_seconds gauge\nwireguard_latest_handshake_seconds{inteface=\"Pippo\",public_key=\"test\",local_ip=\"local_ip\",local_subnet=\"local_subnet\"} 500\n";
let re = Endpoint::Remote(RemoteEndpoint {
public_key: "test".to_owned(),
remote_ip: Some("remote_ip".to_owned()),
remote_port: Some(100),
local_ip: "local_ip".to_owned(),
local_subnet: "local_subnet".to_owned(),
latest_handshake: 500,
sent_bytes: 1000,
received_bytes: 5000,
persistent_keepalive: false,
});
let mut wg = WireGuard {
interfaces: HashMap::new(),
};
let mut v = Vec::new();
v.push(re);
wg.interfaces.insert("Pippo".to_owned(), v);
let prometheus = wg.render_with_names(None);
assert_eq!(prometheus, REF);
}
#[test]
fn test_render_to_prometheus_complex() {
use crate::wireguard_config::PeerEntry;
const REF :&'static str = "# HELP wireguard_sent_bytes_total Bytes sent to the peer\n# TYPE wireguard_sent_bytes_total counter\nwireguard_sent_bytes_total{inteface=\"Pippo\",public_key=\"test\",local_ip=\"local_ip\",local_subnet=\"local_subnet\"} 1000\nwireguard_sent_bytes_total{inteface=\"Pippo\",public_key=\"second_test\",local_ip=\"local_ip\",local_subnet=\"local_subnet\",friendly_name=\"this is my friendly name\"} 14\n# HELP wireguard_received_bytes_total Bytes received from the peer\n# TYPE wireguard_received_bytes_total counter\nwireguard_received_bytes_total{inteface=\"Pippo\",public_key=\"test\",local_ip=\"local_ip\",local_subnet=\"local_subnet\"} 5000\nwireguard_received_bytes_total{inteface=\"Pippo\",public_key=\"second_test\",local_ip=\"local_ip\",local_subnet=\"local_subnet\",friendly_name=\"this is my friendly name\"} 1000000000\n# HELP wireguard_latest_handshake_seconds Seconds from the last handshake\n# TYPE wireguard_latest_handshake_seconds gauge\nwireguard_latest_handshake_seconds{inteface=\"Pippo\",public_key=\"test\",local_ip=\"local_ip\",local_subnet=\"local_subnet\"} 500\nwireguard_latest_handshake_seconds{inteface=\"Pippo\",public_key=\"second_test\",local_ip=\"local_ip\",local_subnet=\"local_subnet\",friendly_name=\"this is my friendly name\"} 50\n";
let re1 = Endpoint::Remote(RemoteEndpoint {
public_key: "test".to_owned(),
remote_ip: Some("remote_ip".to_owned()),
remote_port: Some(100),
local_ip: "local_ip".to_owned(),
local_subnet: "local_subnet".to_owned(),
latest_handshake: 500,
sent_bytes: 1000,
received_bytes: 5000,
persistent_keepalive: false,
});
let re2 = Endpoint::Remote(RemoteEndpoint {
public_key: "second_test".to_owned(),
remote_ip: Some("remote_ip".to_owned()),
remote_port: Some(100),
local_ip: "local_ip".to_owned(),
local_subnet: "local_subnet".to_owned(),
latest_handshake: 50,
sent_bytes: 14,
received_bytes: 1_000_000_000,
persistent_keepalive: false,
});
let mut wg = WireGuard {
interfaces: HashMap::new(),
};
let mut v = Vec::new();
v.push(re1);
v.push(re2);
wg.interfaces.insert("Pippo".to_owned(), v);
let mut pehm = PeerEntryHashMap::new();
let pe = PeerEntry {
public_key: "second_test",
allowed_ips: "ignored",
name: Some("this is my friendly name"),
};
pehm.insert(pe.public_key, pe);
let prometheus = wg.render_with_names(Some(&pehm));
assert_eq!(prometheus, REF);
}
} }