commit ec6ecce8cf2ecea21122ad24634ec2a6be8258f2 · pyrox.dev/nixpkgs

+90 -42
nixos/modules/virtualisation/openvswitch.nix
···

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       let

     

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         cfg = config.virtualisation.vswitch;

     

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       -
       in

     

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       in {

     

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       {

     

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       -
       

     

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         options = {

     

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       -
       

     

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           virtualisation.vswitch.enable = mkOption {

     

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         options.virtualisation.vswitch = {

     

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           enable = mkOption {

     

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             type = types.bool;

     

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             default = false;

     

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             description =

     

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               ''

     

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               Enable Open vSwitch. A configuration 

     

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               daemon (ovs-server) will be started.

     

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             description = ''

     

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               Whether to enable Open vSwitch. A configuration daemon (ovs-server)

     

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               will be started.

     

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               '';

     

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           };

     

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       -
       

     

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           virtualisation.vswitch.package = mkOption {

     

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           package = mkOption {

     

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             type = types.package;

     

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             default = pkgs.openvswitch;

     

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             description =

     

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               ''

     

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             description = ''

     

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               Open vSwitch package to use.

     

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               '';

     

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             '';

     

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           };

     

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           ipsec = mkOption {

     

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             type = types.bool;

     

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             default = false;

     

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             description = ''

     

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               Whether to start racoon service for openvswitch.

     

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             '';

     

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           };

     

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         };

     

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       -
         config = mkIf cfg.enable (let 

     

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         config = mkIf cfg.enable (let

     

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           # Where the communication sockets live

     

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           runDir = "/var/run/openvswitch";

     
···

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           # Where the config database live (can't be in nix-store)

     

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           stateDir = "/var/db/openvswitch";

     

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           # The path to the an initialized version of the database 

     

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           # The path to the an initialized version of the database

     

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           db = pkgs.stdenv.mkDerivation {

     

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             name = "vswitch.db";

     

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             unpackPhase = "true";

     
···

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             buildInputs = with pkgs; [

     

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               cfg.package

     

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             ];

     

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             installPhase = 

     

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               ''

     

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               ensureDir $out/

     

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               '';

     

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             installPhase = "mkdir -p $out";

     

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           };

     

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         in {

     

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         in (mkMerge [{

     

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           environment.systemPackages = [ cfg.package ]; 

     

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           environment.systemPackages = [ cfg.package pkgs.ipsecTools ];

     

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           boot.kernelModules = [ "tun" "openvswitch" ];

     

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···

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             path = [ cfg.package ];

     

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             restartTriggers = [ db cfg.package ];

     

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             # Create the config database

     

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             preStart = 

     

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             preStart =

     

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               ''

     

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               mkdir -p ${runDir}

     

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               mkdir -p /var/db/openvswitch

     
···

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               fi

     

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               chmod -R +w /var/db/openvswitch

     

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               '';

     

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             serviceConfig.ExecStart = 

     

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               ''

     

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               ${cfg.package}/bin/ovsdb-server \

     

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                 --remote=punix:${runDir}/db.sock \

     

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                 --private-key=db:Open_vSwitch,SSL,private_key \

     

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                 --certificate=db:Open_vSwitch,SSL,certificate \

     

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                 --bootstrap-ca-cert=db:Open_vSwitch,SSL,ca_cert \

     

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                 --unixctl=ovsdb.ctl.sock \

     

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                 /var/db/openvswitch/conf.db

     

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               '';       

     

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             serviceConfig.Restart = "always";

     

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             serviceConfig.RestartSec = 3;

     

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             postStart =

     

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               ''

     

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             serviceConfig = {

     

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               ExecStart =

     

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                 ''

     

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                 ${cfg.package}/bin/ovsdb-server \

     

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                   --remote=punix:${runDir}/db.sock \

     

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                   --private-key=db:Open_vSwitch,SSL,private_key \

     

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                   --certificate=db:Open_vSwitch,SSL,certificate \

     

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                   --bootstrap-ca-cert=db:Open_vSwitch,SSL,ca_cert \

     

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                   --unixctl=ovsdb.ctl.sock \

     

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                   --pidfile=/var/run/openvswitch/ovsdb.pid \

     

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                   --detach \

     

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                   /var/db/openvswitch/conf.db

     

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                 '';

     

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               Restart = "always";

     

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               RestartSec = 3;

     

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               PIDFile = "/var/run/openvswitch/ovsdb.pid";

     

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               Type = "forking";

     

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             };

     

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             postStart = ''

     

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               ${cfg.package}/bin/ovs-vsctl --timeout 3 --retry --no-wait init

     

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               '';

     

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             '';

     

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           };

     

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           systemd.services.vswitchd = {

     
···

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             bindsTo = [ "ovsdb.service" ];

     

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             after = [ "ovsdb.service" ];

     

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             path = [ cfg.package ];

     

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       -
             serviceConfig.ExecStart = ''${cfg.package}/bin/ovs-vswitchd'';

     

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             serviceConfig = {

     

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               ExecStart = ''

     

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                 ${cfg.package}/bin/ovs-vswitchd \

     

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                 --pidfile=/var/run/openvswitch/ovs-vswitchd.pid \

     

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                 --detach

     

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               '';

     

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               PIDFile = "/var/run/openvswitch/ovs-vswitchd.pid";

     

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               Type = "forking";

     

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             };

     

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           };

     

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         });

     

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         }

     

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         (mkIf cfg.ipsec {

     

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           services.racoon.enable = true;

     

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           services.racoon.configPath = "${runDir}/ipsec/etc/racoon/racoon.conf";

     

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           networking.firewall.extraCommands = ''

     

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             iptables -I INPUT -t mangle -p esp -j MARK --set-mark 1/1

     

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             iptables -I INPUT -t mangle -p udp --dport 4500 -j MARK --set-mark 1/1

     

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           '';

     

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           systemd.services.ovs-monitor-ipsec = {

     

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             description = "Open_vSwitch Ipsec Daemon";

     

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             wantedBy = [ "multi-user.target" ];

     

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             requires = [ "racoon.service" ];

     

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             after = [ "vswitchd.service" ];

     

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             environment.UNIXCTLPATH = "/tmp/ovsdb.ctl.sock";

     

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             serviceConfig = {

     

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               ExecStart = ''

     

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                 ${cfg.package}/bin/ovs-monitor-ipsec \

     

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                   --root-prefix ${runDir}/ipsec \

     

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                   --pidfile /var/run/openvswitch/ovs-monitor-ipsec.pid \

     

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                   --monitor --detach \

     

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                   unix:/var/run/openvswitch/db.sock

     

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               '';

     

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               PIDFile = "/var/run/openvswitch/ovs-monitor-ipsec.pid";

     

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               Type = "forking";

     

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             };

     

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             preStart = ''

     

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               rm -r ${runDir}/ipsec/etc/racoon/certs || true

     

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               mkdir -p ${runDir}/ipsec/{etc/racoon,etc/init.d/,usr/sbin/}

     

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               ln -fs ${pkgs.ipsecTools}/bin/setkey ${runDir}/ipsec/usr/sbin/setkey

     

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               ln -fs ${pkgs.writeScript "racoon-restart" ''

     

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               #!${pkgs.stdenv.shell}

     

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               /var/run/current-system/sw/bin/systemctl $1 racoon

     

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               ''} ${runDir}/ipsec/etc/init.d/racoon

     

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             '';

     

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           };

     

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         })]));

     

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       }