Add support for Consul TLS

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Alex 2021-12-30 20:08:10 +01:00
parent d13066b12b
commit bcc185df40
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GPG key ID: EDABF9711E244EB1
4 changed files with 61 additions and 130 deletions

128
Cargo.lock generated
View file

@ -830,19 +830,6 @@ dependencies = [
"tokio-rustls",
]
[[package]]
name = "hyper-tls"
version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905"
dependencies = [
"bytes 1.1.0",
"hyper 0.14.15",
"native-tls",
"tokio 1.14.0",
"tokio-native-tls",
]
[[package]]
name = "idna"
version = "0.2.3"
@ -1039,24 +1026,6 @@ dependencies = [
"winapi 0.3.9",
]
[[package]]
name = "native-tls"
version = "0.2.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "48ba9f7719b5a0f42f338907614285fb5fd70e53858141f69898a1fb7203b24d"
dependencies = [
"lazy_static",
"libc",
"log",
"openssl",
"openssl-probe",
"openssl-sys",
"schannel",
"security-framework",
"security-framework-sys",
"tempfile",
]
[[package]]
name = "net2"
version = "0.2.37"
@ -1174,7 +1143,7 @@ dependencies = [
"cfg-if 0.1.10",
"cloudabi",
"libc",
"redox_syscall 0.1.57",
"redox_syscall",
"rustc_version",
"smallvec",
"winapi 0.3.9",
@ -1215,12 +1184,6 @@ version = "0.3.23"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d1a3ea4f0dd7f1f3e512cf97bf100819aa547f36a6eccac8dbaae839eb92363e"
[[package]]
name = "ppv-lite86"
version = "0.2.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ed0cfbc8191465bed66e1718596ee0b0b35d5ee1f41c5df2189d0fe8bde535ba"
[[package]]
name = "pretty_env_logger"
version = "0.4.0"
@ -1304,46 +1267,6 @@ dependencies = [
"proc-macro2",
]
[[package]]
name = "rand"
version = "0.8.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2e7573632e6454cf6b99d7aac4ccca54be06da05aca2ef7423d22d27d4d4bcd8"
dependencies = [
"libc",
"rand_chacha",
"rand_core",
"rand_hc",
]
[[package]]
name = "rand_chacha"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
dependencies = [
"ppv-lite86",
"rand_core",
]
[[package]]
name = "rand_core"
version = "0.6.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
dependencies = [
"getrandom",
]
[[package]]
name = "rand_hc"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d51e9f596de227fda2ea6c84607f5558e196eeaf43c986b724ba4fb8fdf497e7"
dependencies = [
"rand_core",
]
[[package]]
name = "rcgen"
version = "0.8.14"
@ -1362,15 +1285,6 @@ version = "0.1.57"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
[[package]]
name = "redox_syscall"
version = "0.2.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8383f39639269cde97d255a32bdb68c047337295414940c68bdd30c2e13203ff"
dependencies = [
"bitflags",
]
[[package]]
name = "regex"
version = "1.5.4"
@ -1388,15 +1302,6 @@ version = "0.6.25"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
[[package]]
name = "remove_dir_all"
version = "0.5.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
dependencies = [
"winapi 0.3.9",
]
[[package]]
name = "reqwest"
version = "0.11.7"
@ -1411,20 +1316,21 @@ dependencies = [
"http 0.2.5",
"http-body 0.4.4",
"hyper 0.14.15",
"hyper-tls",
"hyper-rustls",
"ipnet",
"js-sys",
"lazy_static",
"log",
"mime",
"native-tls",
"percent-encoding",
"pin-project-lite",
"rustls 0.20.2",
"rustls-pemfile",
"serde",
"serde_json",
"serde_urlencoded",
"tokio 1.14.0",
"tokio-native-tls",
"tokio-rustls",
"url",
"wasm-bindgen",
"wasm-bindgen-futures",
@ -1797,20 +1703,6 @@ dependencies = [
"unicode-xid",
]
[[package]]
name = "tempfile"
version = "3.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
dependencies = [
"cfg-if 1.0.0",
"libc",
"rand",
"redox_syscall 0.2.10",
"remove_dir_all",
"winapi 0.3.9",
]
[[package]]
name = "termcolor"
version = "1.1.2"
@ -1982,16 +1874,6 @@ dependencies = [
"syn",
]
[[package]]
name = "tokio-native-tls"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f7d995660bd2b7f8c1568414c1126076c13fbb725c40112dc0120b78eb9b717b"
dependencies = [
"native-tls",
"tokio 1.14.0",
]
[[package]]
name = "tokio-reactor"
version = "0.1.12"

View file

@ -13,7 +13,7 @@ futures = "0.3"
log = "0.4"
pretty_env_logger = "0.4"
regex = "1"
reqwest = { version = "0.11", features = ["json"] }
reqwest = { version = "0.11", default-features = false, features = ["json", "rustls-tls-manual-roots" ] }
serde = { version = "1.0.107", features = ["derive"] }
serde_json = "1.0.53"
tokio = { version = "1.0", default-features = false, features = ["rt", "rt-multi-thread", "io-util", "net", "time", "macros", "sync", "signal", "fs"] }

View file

@ -1,4 +1,6 @@
use std::collections::HashMap;
use std::fs::File;
use std::io::Read;
use anyhow::Result;
use bytes::Bytes;
@ -6,6 +8,13 @@ use log::*;
use reqwest::StatusCode;
use serde::{Deserialize, Serialize};
pub struct ConsulConfig {
pub addr: String,
pub ca_cert: Option<String>,
pub client_cert: Option<String>,
pub client_key: Option<String>,
}
// ---- Watch and retrieve Consul catalog ----
//
#[derive(Serialize, Deserialize, Debug)]
@ -76,13 +85,33 @@ pub struct Consul {
}
impl Consul {
pub fn new(url: &str, kv_prefix: &str, local_node: &str) -> Self {
return Self {
client: reqwest::Client::new(),
url: url.trim_end_matches('/').to_string(),
pub fn new(config: ConsulConfig, kv_prefix: &str, local_node: &str) -> Result<Self> {
let client = match (&config.ca_cert, &config.client_cert, &config.client_key) {
(Some(ca_cert), Some(client_cert), Some(client_key)) => {
let mut ca_cert_buf = vec![];
File::open(ca_cert)?.read_to_end(&mut ca_cert_buf)?;
let mut client_cert_buf = vec![];
File::open(client_cert)?.read_to_end(&mut client_cert_buf)?;
let mut client_key_buf = vec![];
File::open(client_key)?.read_to_end(&mut client_key_buf)?;
reqwest::Client::builder()
.use_rustls_tls()
.add_root_certificate(reqwest::Certificate::from_pem(&ca_cert_buf[..])?)
.identity(reqwest::Identity::from_pem(&[&client_cert_buf[..], &client_key_buf[..]].concat()[..])?)
.build()?
}
_ => reqwest::Client::new(),
};
Ok(Self {
client,
url: config.addr.trim_end_matches('/').to_string(),
kv_prefix: kv_prefix.to_string(),
local_node: local_node.into(),
};
})
}
pub async fn list_nodes(&self) -> Result<Vec<String>> {

View file

@ -27,6 +27,18 @@ struct Opt {
)]
pub consul_addr: String,
/// CA certificate for Consul server with TLS
#[structopt(long = "consul-ca-cert", env = "TRICOT_CONSUL_CA_CERT")]
pub consul_ca_cert: Option<String>,
/// Client certificate for Consul server with TLS
#[structopt(long = "consul-client-cert", env = "TRICOT_CONSUL_CLIENT_CERT")]
pub consul_client_cert: Option<String>,
/// Client key for Consul server with TLS
#[structopt(long = "consul-client-key", env = "TRICOT_CONSUL_CLIENT_KEY")]
pub consul_client_key: Option<String>,
/// Prefix of Tricot's entries in Consul KV space
#[structopt(
long = "consul-kv-prefix",
@ -89,7 +101,15 @@ async fn main() {
info!("Starting Tricot");
let consul = consul::Consul::new(&opt.consul_addr, &opt.consul_kv_prefix, &opt.node_name);
let consul_config = consul::ConsulConfig{
addr: opt.consul_addr.clone(),
ca_cert: opt.consul_ca_cert.clone(),
client_cert: opt.consul_client_cert.clone(),
client_key: opt.consul_client_key.clone(),
};
let consul = consul::Consul::new(consul_config, &opt.consul_kv_prefix, &opt.node_name)
.expect("Error creating Consul client");
let mut rx_proxy_config = proxy_config::spawn_proxy_config_task(consul.clone());
let cert_store = cert_store::CertStore::new(