Files
VirtWeb/virtweb_backend/src/nat/nat_lib.rs

62 lines
1.7 KiB
Rust

use crate::app_config::AppConfig;
use crate::libvirt_rest_structures::net::{NetworkInfo, NetworkName};
use crate::nat::nat_definition::NetNat;
#[derive(thiserror::Error, Debug)]
enum NatLibError {
#[error("Could not save nat definition, because network bridge name was not specified!")]
MissingNetworkBridgeName,
}
/// Save nat definition
pub fn save_nat_def(net: &NetworkInfo) -> anyhow::Result<()> {
let nat = match net.has_nat_def() {
true => NetNat {
interface: net
.bridge_name
.as_ref()
.ok_or(NatLibError::MissingNetworkBridgeName)?
.to_string(),
ipv4: net
.ip_v4
.as_ref()
.map(|i| i.nat.clone())
.unwrap_or_default(),
ipv6: net
.ip_v6
.as_ref()
.map(|i| i.nat.clone())
.unwrap_or_default(),
},
false => NetNat::default(),
};
let json = serde_json::to_string(&nat)?;
std::fs::write(AppConfig::get().net_nat_path(&net.name), json)?;
Ok(())
}
/// Remove nat definition, if existing
pub fn remove_nat_def(name: &NetworkName) -> anyhow::Result<()> {
let nat_file = AppConfig::get().net_nat_path(name);
if nat_file.exists() {
std::fs::remove_file(nat_file)?;
}
Ok(())
}
/// Load nat definition, if available
pub fn load_nat_def(name: &NetworkName) -> anyhow::Result<NetNat> {
let nat_file = AppConfig::get().net_nat_path(name);
if !nat_file.exists() {
return Ok(NetNat::default());
}
let file = std::fs::read_to_string(nat_file)?;
Ok(serde_json::from_str(&file)?)
}