add support for using domain name in configuration #46

Merged
lx merged 4 commits from trinity-1686a/garage:bind-domain into master 2021-03-18 20:26:35 +00:00

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@ -2,7 +2,7 @@ use std::io::Read;
use std::net::SocketAddr;
use std::path::PathBuf;
use serde::Deserialize;
use serde::{de, Deserialize};
use crate::error::Error;
@ -13,6 +13,7 @@ pub struct Config {
pub rpc_bind_addr: SocketAddr,
#[serde(deserialize_with = "deserialize_vec_addr")]
pub bootstrap_peers: Vec<SocketAddr>,
pub consul_host: Option<String>,
pub consul_service_name: Option<String>,
@ -82,3 +83,28 @@ pub fn read_config(config_file: PathBuf) -> Result<Config, Error> {
Ok(toml::from_str(&config)?)
}
fn deserialize_vec_addr<'de, D>(deserializer: D) -> Result<Vec<SocketAddr>, D::Error>
where
D: de::Deserializer<'de>,
{
use std::net::ToSocketAddrs;
Ok(<Vec<&str>>::deserialize(deserializer)?
.iter()
.filter_map(|&name| {
name.to_socket_addrs()
.map(|iter| (name, iter))
.map_err(|_| warn!("Error resolving \"{}\"", name))
.ok()
})
.map(|(name, iter)| {
let v = iter.collect::<Vec<_>>();
if v.is_empty() {
warn!("Error resolving \"{}\"", name)
}
v
})
.flatten()
.collect())
}