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feat: Implement enhanced DNS resolver with hickory-resolver, TLS support, and layered fallback for Kubernetes environments (#505)

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* Initial plan

* feat: Implement layered DNS resolver with caching and validation

Co-authored-by: houseme <4829346+houseme@users.noreply.github.com>

* feat: Integrate DNS resolver into main application and fix formatting

Co-authored-by: houseme <4829346+houseme@users.noreply.github.com>

* feat: Implement enhanced DNS resolver with Moka cache and layered fallback

Co-authored-by: houseme <4829346+houseme@users.noreply.github.com>

* feat: Implement hickory-resolver with TLS support for enhanced DNS resolution

Co-authored-by: houseme <4829346+houseme@users.noreply.github.com>

* upgrade

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: houseme <4829346+houseme@users.noreply.github.com>
Co-authored-by: houseme <housemecn@gmail.com>
This commit is contained in:
Copilot
2025-09-10 21:16:33 +08:00
committed by GitHub
parent 4e00110bfe
commit ca9a2b6ab9
8 changed files with 822 additions and 28 deletions
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crates/utils/src/net.rs
+44 -1
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@@ -86,7 +86,50 @@ pub fn is_local_host(host: Host<&str>, port: u16, local_port: u16) -> std::io::R
Ok(is_local_host)
}
/// returns IP address of given host.
/// returns IP address of given host using layered DNS resolution.
pub fn get_host_ip_async(host: Host<&str>) -> std::io::Result<HashSet<IpAddr>> {
match host {
Host::Domain(domain) => {
#[cfg(feature = "net")]
{
use crate::dns_resolver::resolve_domain;
let handle = tokio::runtime::Handle::current();
handle.block_on(async {
match resolve_domain(domain).await {
Ok(ips) => Ok(ips.into_iter().collect()),
Err(e) => Err(std::io::Error::other(format!("DNS resolution failed: {}", e))),
}
})
}
#[cfg(not(feature = "net"))]
{
// Fallback to standard resolution when DNS resolver is not available
match (domain, 0)
.to_socket_addrs()
.map(|v| v.map(|v| v.ip()).collect::<HashSet<_>>())
{
Ok(ips) => Ok(ips),
Err(err) => Err(std::io::Error::other(err)),
}
}
}
Host::Ipv4(ip) => {
let mut set = HashSet::with_capacity(1);
set.insert(IpAddr::V4(ip));
Ok(set)
}
Host::Ipv6(ip) => {
let mut set = HashSet::with_capacity(1);
set.insert(IpAddr::V6(ip));
Ok(set)
}
}
}
/// returns IP address of given host using standard resolution.
///
/// **Note**: This function uses standard library DNS resolution.
/// For enhanced DNS resolution with Kubernetes support, use `get_host_ip_async()`.
pub fn get_host_ip(host: Host<&str>) -> std::io::Result<HashSet<IpAddr>> {
match host {
Host::Domain(domain) => match (domain, 0)