nixos/containers: add bridge without address specified

According to systemd-nspawn(1), --network-bridge implies --network-veth,
and --port option is supported only when private networking is enabled.
Fixes #52417.
This commit is contained in:
Nikita Uvarov 2019-01-04 22:24:13 +01:00
parent 9a262a71a1
commit 53013ead39
No known key found for this signature in database
GPG key ID: F7A5FB3A7C10EF96
2 changed files with 32 additions and 13 deletions

View file

@ -36,7 +36,7 @@ let
#! ${pkgs.runtimeShell} -e
# Initialise the container side of the veth pair.
if [ -n "$HOST_ADDRESS" ] || [ -n "$LOCAL_ADDRESS" ]; then
if [ -n "$HOST_ADDRESS" ] || [ -n "$LOCAL_ADDRESS" ] || [ -n "$HOST_BRIDGE" ]; then
ip link set host0 name eth0
ip link set dev eth0 up
@ -90,18 +90,20 @@ let
if [ -n "$HOST_ADDRESS" ] || [ -n "$LOCAL_ADDRESS" ]; then
extraFlags+=" --network-veth"
if [ -n "$HOST_BRIDGE" ]; then
extraFlags+=" --network-bridge=$HOST_BRIDGE"
fi
if [ -n "$HOST_PORT" ]; then
OIFS=$IFS
IFS=","
for i in $HOST_PORT
do
extraFlags+=" --port=$i"
done
IFS=$OIFS
fi
fi
if [ -n "$HOST_PORT" ]; then
OIFS=$IFS
IFS=","
for i in $HOST_PORT
do
extraFlags+=" --port=$i"
done
IFS=$OIFS
fi
if [ -n "$HOST_BRIDGE" ]; then
extraFlags+=" --network-bridge=$HOST_BRIDGE"
fi
extraFlags+=" ${concatStringsSep " " (mapAttrsToList nspawnExtraVethArgs cfg.extraVeths)}"

View file

@ -45,6 +45,19 @@ import ./make-test.nix ({ pkgs, ...} : {
};
};
containers.web-noip =
{
autoStart = true;
privateNetwork = true;
hostBridge = "br0";
config =
{ services.httpd.enable = true;
services.httpd.adminAddr = "foo@example.org";
networking.firewall.allowedTCPPorts = [ 80 ];
};
};
virtualisation.pathsInNixDB = [ pkgs.stdenv ];
};
@ -56,6 +69,10 @@ import ./make-test.nix ({ pkgs, ...} : {
# Start the webserver container.
$machine->succeed("nixos-container status webserver") =~ /up/ or die;
# Check if bridges exist inside containers
$machine->succeed("nixos-container run webserver -- ip link show eth0");
$machine->succeed("nixos-container run web-noip -- ip link show eth0");
"${containerIp}" =~ /([^\/]+)\/([0-9+])/;
my $ip = $1;
chomp $ip;