Merge pull request #60029 from Ma27/configure-ipv4-for-imperative-container
nixos-container: allow setting custom local and host address
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commit
2cca7180c1
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@ -29,6 +29,13 @@
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<xref linkend="opt-services.openssh.enable"/> = true;
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<link linkend="opt-users.users._name__.openssh.authorizedKeys.keys">users.users.root.openssh.authorizedKeys.keys</link> = ["ssh-dss AAAAB3N…"];
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'
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</screen>
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By default the next free address in the <literal>10.233.0.0/16</literal> subnet will be chosen
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as container IP. This behavior can be altered by setting <literal>--host-address</literal> and
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<literal>--local-address</literal>:
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<screen>
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# nixos-container create test --config-file test-container.nix \
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--local-address 10.235.1.2 --host-address 10.235.1.1
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</screen>
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</para>
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@ -23,7 +23,7 @@ $ENV{"NIXOS_CONFIG"} = "";
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sub showHelp {
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print <<EOF;
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Usage: nixos-container list
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nixos-container create <container-name> [--nixos-path <path>] [--system-path <path>] [--config-file <path>] [--config <string>] [--ensure-unique-name] [--auto-start] [--bridge <iface>] [--port <port>]
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nixos-container create <container-name> [--nixos-path <path>] [--system-path <path>] [--config-file <path>] [--config <string>] [--ensure-unique-name] [--auto-start] [--bridge <iface>] [--port <port>] [--host-address <string>] [--local-address <string>]
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nixos-container destroy <container-name>
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nixos-container start <container-name>
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nixos-container stop <container-name>
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@ -48,6 +48,8 @@ my $port;
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my $extraConfig;
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my $signal;
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my $configFile;
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my $hostAddress;
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my $localAddress;
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GetOptions(
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"help" => sub { showHelp() },
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@ -59,9 +61,15 @@ GetOptions(
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"signal=s" => \$signal,
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"nixos-path=s" => \$nixosPath,
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"config=s" => \$extraConfig,
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"config-file=s" => \$configFile
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"config-file=s" => \$configFile,
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"host-address=s" => \$hostAddress,
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"local-address=s" => \$localAddress,
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) or exit 1;
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if (defined $hostAddress and !defined $localAddress or defined $localAddress and !defined $hostAddress) {
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die "With --host-address set, --local-address is required as well!";
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}
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my $action = $ARGV[0] or die "$0: no action specified\n";
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if (defined $configFile and defined $extraConfig) {
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@ -149,16 +157,18 @@ if ($action eq "create") {
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$usedIPs{$1} = 1 if $s =~ /^LOCAL_ADDRESS=([0-9\.]+)$/m;
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}
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my ($ipPrefix, $hostAddress, $localAddress);
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for (my $nr = 1; $nr < 255; $nr++) {
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$ipPrefix = "10.233.$nr";
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$hostAddress = "$ipPrefix.1";
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$localAddress = "$ipPrefix.2";
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last unless $usedIPs{$hostAddress} || $usedIPs{$localAddress};
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$ipPrefix = undef;
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}
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unless (defined $hostAddress) {
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my $ipPrefix;
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for (my $nr = 1; $nr < 255; $nr++) {
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$ipPrefix = "10.233.$nr";
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$hostAddress = "$ipPrefix.1";
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$localAddress = "$ipPrefix.2";
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last unless $usedIPs{$hostAddress} || $usedIPs{$localAddress};
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$ipPrefix = undef;
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}
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die "$0: out of IP addresses\n" unless defined $ipPrefix;
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die "$0: out of IP addresses\n" unless defined $ipPrefix;
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}
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my @conf;
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push @conf, "PRIVATE_NETWORK=1\n";
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