nixos-generate-config: add useDHCP per interface

This sets networking.useDHCP to false and for all interfaces found the
per-interface useDHCP to true. This replicates the current default
behaviour and prepares for the switch to networkd.
This commit is contained in:
Robin Gloster 2019-09-24 11:41:12 +02:00
parent e862dd6373
commit 5ee383ea8c
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2 changed files with 21 additions and 0 deletions

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@ -563,6 +563,24 @@ $fsAndSwap
${\join "", (map { " $_\n" } (uniq @attrs))}}
EOF
sub generateNetworkingDhcpConfig {
my $config = <<EOF;
# The global useDHCP flag is deprecated, therefore explicitly set to false here.
# Per-interface useDHCP will be mandatory in the future, so this generated config
# replicates the default behaviour.
networking.useDHCP = false;
EOF
foreach my $path (glob "/sys/class/net/*") {
my $dev = basename($path);
if ($dev ne "lo") {
$config .= " networking.interfaces.$dev.useDHCP = true;\n";
}
}
return $config;
}
if ($showHardwareConfig) {
print STDOUT $hwConfig;
@ -606,6 +624,8 @@ EOF
EOF
}
my $networkingDhcpConfig = generateNetworkingDhcpConfig();
write_file($fn, <<EOF);
@configuration@
EOF

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@ -96,6 +96,7 @@ in
# networking.hostName = "nixos"; # Define your hostname.
# networking.wireless.enable = true; # Enables wireless support via wpa_supplicant.
$networkingDhcpConfig
# Configure network proxy if necessary
# networking.proxy.default = "http://user:password\@proxy:port/";
# networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";