[pve-devel] [PATCH installer 5/6] common: options: allow user-supplied domain for network options
Christoph Heiss
c.heiss at proxmox.com
Thu Mar 27 16:17:16 CET 2025
Add an optional parameter to allow specifying a domain, which will take
precedence over both the DHCP-supplied domain (if any) and the hardcoded
default domain.
Signed-off-by: Christoph Heiss <c.heiss at proxmox.com>
---
proxmox-auto-installer/src/utils.rs | 2 +-
proxmox-installer-common/src/options.rs | 95 ++++++++++++++++++++-----
proxmox-tui-installer/src/main.rs | 2 +-
3 files changed, 80 insertions(+), 19 deletions(-)
diff --git a/proxmox-auto-installer/src/utils.rs b/proxmox-auto-installer/src/utils.rs
index 655fecb..cf072b8 100644
--- a/proxmox-auto-installer/src/utils.rs
+++ b/proxmox-auto-installer/src/utils.rs
@@ -24,7 +24,7 @@ fn get_network_settings(
runtime_info: &RuntimeInfo,
setup_info: &SetupInfo,
) -> Result<NetworkOptions> {
- let mut network_options = NetworkOptions::defaults_from(setup_info, &runtime_info.network);
+ let mut network_options = NetworkOptions::defaults_from(setup_info, &runtime_info.network, None);
info!("Setting network configuration");
diff --git a/proxmox-installer-common/src/options.rs b/proxmox-installer-common/src/options.rs
index 28f2971..562d285 100644
--- a/proxmox-installer-common/src/options.rs
+++ b/proxmox-installer-common/src/options.rs
@@ -408,10 +408,18 @@ pub struct NetworkOptions {
impl NetworkOptions {
const DEFAULT_DOMAIN: &'static str = "example.invalid";
- pub fn defaults_from(setup: &SetupInfo, network: &NetworkInfo) -> Self {
+ pub fn defaults_from(
+ setup: &SetupInfo,
+ network: &NetworkInfo,
+ default_domain: Option<&str>,
+ ) -> Self {
let mut this = Self {
ifname: String::new(),
- fqdn: Self::construct_fqdn(network, setup.config.product.default_hostname()),
+ fqdn: Self::construct_fqdn(
+ network,
+ setup.config.product.default_hostname(),
+ default_domain,
+ ),
// Safety: The provided mask will always be valid.
address: CidrAddress::new(Ipv4Addr::UNSPECIFIED, 0).unwrap(),
gateway: Ipv4Addr::UNSPECIFIED.into(),
@@ -454,14 +462,23 @@ impl NetworkOptions {
this
}
- fn construct_fqdn(network: &NetworkInfo, default_hostname: &str) -> Fqdn {
+ pub fn construct_fqdn(
+ network: &NetworkInfo,
+ default_hostname: &str,
+ default_domain: Option<&str>,
+ ) -> Fqdn {
let hostname = network.hostname.as_deref().unwrap_or(default_hostname);
- let domain = network
- .dns
- .domain
- .as_deref()
- .unwrap_or(Self::DEFAULT_DOMAIN);
+ // First, use the provided default domain if provided. If that is unset,
+ // use the one from the host network configuration, i.e. as and if provided by DHCP.
+ // As last fallback, use [`Self::DEFAULT_DOMAIN`].
+ let domain = default_domain.unwrap_or_else(|| {
+ network
+ .dns
+ .domain
+ .as_deref()
+ .unwrap_or(Self::DEFAULT_DOMAIN)
+ });
Fqdn::from(&format!("{hostname}.{domain}")).unwrap_or_else(|_| {
// Safety: This will always result in a valid FQDN, as we control & know
@@ -527,10 +544,7 @@ mod tests {
}
}
- #[test]
- fn network_options_from_setup_network_info() {
- let setup = SetupInfo::mocked();
-
+ fn mock_setup_network() -> (SetupInfo, NetworkInfo) {
let mut interfaces = BTreeMap::new();
interfaces.insert(
"eth0".to_owned(),
@@ -545,7 +559,7 @@ mod tests {
},
);
- let mut info = NetworkInfo {
+ let info = NetworkInfo {
dns: Dns {
domain: Some("bar.com".to_owned()),
dns: Vec::new(),
@@ -561,8 +575,15 @@ mod tests {
hostname: Some("foo".to_owned()),
};
+ (SetupInfo::mocked(), info)
+ }
+
+ #[test]
+ fn network_options_from_setup_network_info() {
+ let (setup, mut info) = mock_setup_network();
+
pretty_assertions::assert_eq!(
- NetworkOptions::defaults_from(&setup, &info),
+ NetworkOptions::defaults_from(&setup, &info, None),
NetworkOptions {
ifname: "eth0".to_owned(),
fqdn: Fqdn::from("foo.bar.com").unwrap(),
@@ -574,7 +595,7 @@ mod tests {
info.hostname = None;
pretty_assertions::assert_eq!(
- NetworkOptions::defaults_from(&setup, &info),
+ NetworkOptions::defaults_from(&setup, &info, None),
NetworkOptions {
ifname: "eth0".to_owned(),
fqdn: Fqdn::from("pve.bar.com").unwrap(),
@@ -586,7 +607,7 @@ mod tests {
info.dns.domain = None;
pretty_assertions::assert_eq!(
- NetworkOptions::defaults_from(&setup, &info),
+ NetworkOptions::defaults_from(&setup, &info, None),
NetworkOptions {
ifname: "eth0".to_owned(),
fqdn: Fqdn::from("pve.example.invalid").unwrap(),
@@ -598,7 +619,7 @@ mod tests {
info.hostname = Some("foo".to_owned());
pretty_assertions::assert_eq!(
- NetworkOptions::defaults_from(&setup, &info),
+ NetworkOptions::defaults_from(&setup, &info, None),
NetworkOptions {
ifname: "eth0".to_owned(),
fqdn: Fqdn::from("foo.example.invalid").unwrap(),
@@ -608,4 +629,44 @@ mod tests {
}
);
}
+
+ #[test]
+ fn network_options_correctly_handles_user_supplied_default_domain() {
+ let (setup, mut info) = mock_setup_network();
+
+ pretty_assertions::assert_eq!(
+ NetworkOptions::defaults_from(&setup, &info, None),
+ NetworkOptions {
+ ifname: "eth0".to_owned(),
+ fqdn: Fqdn::from("foo.bar.com").unwrap(),
+ address: CidrAddress::new(Ipv4Addr::new(192, 168, 0, 2), 24).unwrap(),
+ gateway: IpAddr::V4(Ipv4Addr::new(192, 168, 0, 1)),
+ dns_server: Ipv4Addr::UNSPECIFIED.into(),
+ }
+ );
+
+ info.dns.domain = None;
+ pretty_assertions::assert_eq!(
+ NetworkOptions::defaults_from(&setup, &info, Some("custom.local")),
+ NetworkOptions {
+ ifname: "eth0".to_owned(),
+ fqdn: Fqdn::from("foo.custom.local").unwrap(),
+ address: CidrAddress::new(Ipv4Addr::new(192, 168, 0, 2), 24).unwrap(),
+ gateway: IpAddr::V4(Ipv4Addr::new(192, 168, 0, 1)),
+ dns_server: Ipv4Addr::UNSPECIFIED.into(),
+ }
+ );
+
+ info.dns.domain = Some("some.domain.local".to_owned());
+ pretty_assertions::assert_eq!(
+ NetworkOptions::defaults_from(&setup, &info, Some("custom.local")),
+ NetworkOptions {
+ ifname: "eth0".to_owned(),
+ fqdn: Fqdn::from("foo.custom.local").unwrap(),
+ address: CidrAddress::new(Ipv4Addr::new(192, 168, 0, 2), 24).unwrap(),
+ gateway: IpAddr::V4(Ipv4Addr::new(192, 168, 0, 1)),
+ dns_server: Ipv4Addr::UNSPECIFIED.into(),
+ }
+ );
+ }
}
diff --git a/proxmox-tui-installer/src/main.rs b/proxmox-tui-installer/src/main.rs
index 341e60c..57a334f 100644
--- a/proxmox-tui-installer/src/main.rs
+++ b/proxmox-tui-installer/src/main.rs
@@ -169,7 +169,7 @@ fn main() {
bootdisk: BootdiskOptions::defaults_from(&runtime_info.disks[0]),
timezone: TimezoneOptions::defaults_from(&runtime_info, &locales),
password: Default::default(),
- network: NetworkOptions::defaults_from(&setup_info, &runtime_info.network),
+ network: NetworkOptions::defaults_from(&setup_info, &runtime_info.network, None),
autoreboot: true,
},
setup_info,
--
2.48.1
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