feat: allow setting the local IP in a record

Resolves #1

Cargo.toml

@@ -12,6 +12,7 @@ tokio = { version = "^1", features = ["rt-multi-thread", "macros"] }
 cloudflare = "^0.10"
 anyhow = "^1"
 clap-verbosity-flag = "^2.0"
+local-ip-address = "^0.5.0"
 
 [dependencies.clap]
 version = "^4.4"

src/api.rs

@@ -55,6 +55,10 @@ pub struct Cli {
 	)]
 	pub email: Option<String>,
 
+	/// Use local network ip
+	#[clap(short, long)]
+	pub local: bool,
+
 	#[clap(flatten)]
 	pub verbose: Verbosity<InfoLevel>,
 	/// set an AAAA record to the host's ipv6 address

src/ip.rs

@@ -2,6 +2,7 @@ use crate::dns::{Fqdn, Requests, ZoneId};
 use anyhow::Result;
 use cloudflare::endpoints::dns::{DnsContent, DnsRecord};
 use cloudflare::framework::async_api::{ApiClient, Client};
+use local_ip_address as local;
 use public_ip::{http, Version};
 use std::net::IpAddr;
 use std::sync::Arc;
@@ -58,11 +59,15 @@ impl DynDns for Option<IpAddr> {
 	}
 }
 
-pub async fn get_ips() -> Result<IpPair> {
-	let (ipv4, ipv6) = tokio::join!(
-		public_ip::addr_with(http::ALL, Version::V4),
-		public_ip::addr_with(public_ip::ALL, Version::V6)
-	);
+pub async fn get_ips(loc: bool) -> Result<IpPair> {
+	let (ipv4, ipv6) = if loc {
+		(local::local_ip().ok(), local::local_ipv6().ok())
+	} else {
+		tokio::join!(
+			public_ip::addr_with(http::ALL, Version::V4),
+			public_ip::addr_with(public_ip::ALL, Version::V6)
+		)
+	};
 
 	if (None, None) == (ipv4, ipv6) {
 		Err(anyhow::anyhow!(

src/main.rs

@@ -18,7 +18,7 @@ async fn main() -> Result<()> {
 		.filter_level(cli.verbose.log_level_filter())
 		.init();
 
-	let (public_ipv4, public_ipv6) = ip::get_ips().await?;
+	let (public_ipv4, public_ipv6) = ip::get_ips(cli.local).await?;
 	let api_client = Arc::new(api::get_client(&cli)?);
 	let records = dns::get_records(&cli, api_client.clone()).await?;
 	let mut handles: Vec<JoinHandle<Result<()>>> =