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Add basic routes to migration
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@jcronenberg
jcronenberg committed Nov 22, 2023
1 parent 798cb64 commit c86e7b3
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Showing 4 changed files with 151 additions and 54 deletions.
123 changes: 90 additions & 33 deletions rust/migrate-wicked/src/interface.rs
View file
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
use agama_dbus_server::network::model::{self, IpConfig, Ipv4Method, Ipv6Method, Parent};
use agama_dbus_server::network::model::{self, IpConfig, IpRoute, Ipv4Method, Ipv6Method, Parent};
use cidr::IpInet;
use serde::{Deserialize, Deserializer, Serialize};
use serde_with::{
Expand Down Expand Up @@ -513,8 +513,8 @@ impl Interface {
};

let mut addresses: Vec<IpInet> = vec![];
let mut gateway4 = None;
let mut gateway6 = None;
let mut new_routes4: Vec<IpRoute> = vec![];
let mut new_routes6: Vec<IpRoute> = vec![];
if let Some(ipv4_static) = &self.ipv4_static {
if let Some(addresses_in) = &ipv4_static.addresses {
for addr in addresses_in {
Expand All @@ -523,18 +523,13 @@ impl Interface {
}
if let Some(routes) = &ipv4_static.routes {
for route in routes {
if let Some(nexthops) = &route.nexthops {
// TODO fix when implementing better route handling
// the logged warning isn't really true for multiple hops
// as gateways just can't have multiple nexthops AFAICT
if gateway4.is_some() || nexthops.len() > 1 {
connection_result.warnings.push(anyhow::anyhow!(
"Multipath routing isn't natively supported by NetworkManager"
));
} else {
gateway4 = Some(IpAddr::from_str(&nexthops[0].gateway).unwrap());
new_routes4.push(match interface_route_to_ip_route(route) {
Ok(route) => route,
Err(e) => {
connection_result.warnings.push(e);
continue;
}
}
});
}
}
}
Expand All @@ -546,34 +541,68 @@ impl Interface {
}
if let Some(routes) = &ipv6_static.routes {
for route in routes {
if let Some(nexthops) = &route.nexthops {
// TODO fix when implementing better route handling
// the logged warning isn't really true for multiple hops
// as gateways just can't have multiple nexthops AFAICT
if gateway6.is_some() || nexthops.len() > 1 {
connection_result.warnings.push(anyhow::anyhow!(
"Multipath routing isn't natively supported by NetworkManager"
));
} else {
gateway6 = Some(IpAddr::from_str(&nexthops[0].gateway).unwrap());
new_routes6.push(match interface_route_to_ip_route(route) {
Ok(route) => route,
Err(e) => {
connection_result.warnings.push(e);
continue;
}
}
});
}
}
}

let routes4 = if !new_routes4.is_empty() {
Some(new_routes4)
} else {
None
};
let routes6 = if !new_routes6.is_empty() {
Some(new_routes6)
} else {
None
};

connection_result.ip_config = IpConfig {
addresses,
method4,
method6,
gateway4,
gateway6,
routes4,
routes6,
..Default::default()
};
Ok(connection_result)
}
}

fn interface_route_to_ip_route(route: &Route) -> Result<IpRoute, anyhow::Error> {
let mut next_hop: Option<IpAddr> = None;
if let Some(nexthops) = &route.nexthops {
if nexthops.len() > 1 {
return Err(anyhow::anyhow!(
"Multipath routing isn't natively supported by NetworkManager"
));
} else {
next_hop = Some(IpAddr::from_str(&nexthops[0].gateway).unwrap());
}
}
let destination = if route.destination.is_some() {
IpInet::from_str(route.destination.clone().unwrap().as_str())?
} else if next_hop.is_some() {
// In this case the route is a default route, so we need to give the destination a /0 as prefix length
// Note the ip address doesn't actually really matter to NetworkManager
IpInet::new(next_hop.unwrap(), 0)?
} else {
return Err(anyhow::anyhow!("Error occurred when parsing a route"));
};
let metric = route.priority;
Ok(IpRoute {
destination,
next_hop,
metric,
})
}

#[cfg(test)]
mod tests {
use super::*;
Expand Down Expand Up @@ -638,22 +667,50 @@ mod tests {
.to_string(),
"128"
);
assert!(static_connection.base().ip_config.gateway4.is_some());
assert_eq!(
assert!(static_connection.base().ip_config.routes4.is_some());
assert!(
static_connection
.base()
.ip_config
.gateway4
.routes4
.clone()
.unwrap()
.len()
== 1
);
assert_eq!(
static_connection.base().ip_config.routes4.clone().unwrap()[0]
.destination
.to_string(),
"127.0.0.1/0"
);
assert_eq!(
static_connection.base().ip_config.routes4.clone().unwrap()[0]
.next_hop
.unwrap()
.to_string(),
"127.0.0.1"
);
assert!(static_connection.base().ip_config.gateway6.is_some());
assert_eq!(
assert!(static_connection.base().ip_config.routes6.is_some());
assert!(
static_connection
.base()
.ip_config
.gateway6
.routes6
.clone()
.unwrap()
.len()
== 1
);
assert_eq!(
static_connection.base().ip_config.routes6.clone().unwrap()[0]
.destination
.to_string(),
"::1/0"
);
assert_eq!(
static_connection.base().ip_config.routes6.clone().unwrap()[0]
.next_hop
.unwrap()
.to_string(),
"::1"
Expand Down
29 changes: 29 additions & 0 deletions rust/migrate-wicked/tests/routes/system-connections/eth0.nmconnection
View file
Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
[connection]
id=eth0
uuid=e7736944-bd8b-4da3-8be9-84b333b2ccfa
type=ethernet
interface-name=eth0

[ethernet]

[match]

[ipv4]
address1=192.168.101.5/24
address2=192.168.102.5/24
method=manual
route1=192.168.101.0/24,192.168.101.1
route2=192.168.102.0/24,192.168.102.1,1
route3=192.168.102.0/24,192.168.102.2,2
route4=192.168.103.0/24,192.168.101.1
route5=192.168.104.0/24,192.168.102.1
route6=192.168.102.1/0,192.168.102.1,1

[ipv6]
addr-gen-mode=default
address1=2001:db8:1::5/64
method=manual
route1=2001:db8:1::1/0,2001:db8:1::1
route2=2001:db8:1::/64,2001:db8:1::1,1

[proxy]
32 changes: 32 additions & 0 deletions ...gle_gateway/wicked_xml/single_gateway.xml → ...wicked/tests/routes/wicked_xml/routes.xml
View file
Original file line number Diff line number Diff line change
Expand Up @@ -18,9 +18,35 @@
</address>
<route>
<destination>192.168.101.0/24</destination>
<nexthop>
<gateway>192.168.101.1</gateway>
</nexthop>
</route>
<route>
<destination>192.168.102.0/24</destination>
<nexthop>
<gateway>192.168.102.1</gateway>
</nexthop>
<priority>1</priority>
</route>
<route>
<destination>192.168.102.0/24</destination>
<nexthop>
<gateway>192.168.102.2</gateway>
</nexthop>
<priority>2</priority>
</route>
<route>
<destination>192.168.103.0/24</destination>
<nexthop>
<gateway>192.168.101.1</gateway>
</nexthop>
</route>
<route>
<destination>192.168.104.0/24</destination>
<nexthop>
<gateway>192.168.102.1</gateway>
</nexthop>
</route>
<route>
<nexthop>
Expand All @@ -42,6 +68,12 @@
<nexthop>
<gateway>2001:db8:1::1</gateway>
</nexthop>
</route>
<route>
<destination>2001:db8:1::/64</destination>
<nexthop>
<gateway>2001:db8:1::1</gateway>
</nexthop>
<priority>1</priority>
</route>
</ipv6:static>
Expand Down
21 changes: 0 additions & 21 deletions rust/migrate-wicked/tests/single_gateway/system-connections/eth0.nmconnection
View file

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