commit 41d4bd29acbbbc65dc7412cdc1596fd7c2d861dc · pyrox.dev/nixpkgs

+60 -2

nixos/modules/services/networking/keepalived/default.nix

···

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         keepalivedConf = pkgs.writeText "keepalived.conf" ''

     

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           global_defs {

     

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       +
             ${optionalString cfg.enableScriptSecurity "enable_script_security"}

     

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             ${snmpGlobalDefs}

     

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             ${cfg.extraGlobalDefs}

     

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           }

     

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           ${vrrpScriptStr}

     

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           ${vrrpInstancesStr}

     

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           ${cfg.extraConfig}

     

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         '';

     
···

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           + optionalString enableTraps "enable_traps"

     

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         );

     

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         vrrpScriptStr = concatStringsSep "\n" (map (s:

     

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           ''

     

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             vrrp_script ${s.name} {

     

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               script "${s.script}"

     

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               interval ${toString s.interval}

     

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               fall ${toString s.fall}

     

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               rise ${toString s.rise}

     

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               timeout ${toString s.timeout}

     

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               weight ${toString s.weight}

     

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               user ${s.user} ${optionalString (s.group != null) s.group}

     

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               ${s.extraConfig}

     

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             }

     

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           ''

     

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         ) vrrpScripts);

     

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         vrrpInstancesStr = concatStringsSep "\n" (map (i:

     

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           ''

     

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             vrrp_instance ${i.name} {

     
···

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                 ${concatMapStringsSep "\n" virtualIpLine i.virtualIps}

     

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               }

     

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               ${optionalString (builtins.length i.trackScripts > 0) ''

     

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                 track_script {

     

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                   ${concatStringsSep "\n" i.trackScripts}

     

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                 }

     

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               ''}

     

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               ${optionalString (builtins.length i.trackInterfaces > 0) ''

     

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                 track_interface {

     

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                   ${concatStringsSep "\n" i.trackInterfaces}

     

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                 }

     

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               ''}

     

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               ${i.extraConfig}

     

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             }

     

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           ''

     
···

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         notNullOrEmpty = s: !(s == null || s == "");

     

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         vrrpScripts = mapAttrsToList (name: config:

     

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           {

     

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             inherit name;

     

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           } // config

     

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         ) cfg.vrrpScripts;

     

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         vrrpInstances = mapAttrsToList (iName: iConfig:

     

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           {

     

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             name = iName;

     
···

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           { assertion = !i.vmacXmitBase || i.useVmac;

     

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             message = "services.keepalived.vrrpInstances.${i.name}.vmacXmitBase has no effect when services.keepalived.vrrpInstances.${i.name}.useVmac is not set.";

     

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           }

     

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       -
         ] ++ flatten (map (virtualIpAssertions i.name) i.virtualIps);

     

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         ] ++ flatten (map (virtualIpAssertions i.name) i.virtualIps)

     

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           ++ flatten (map (vrrpScriptAssertion i.name) i.trackScripts);

     

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         virtualIpAssertions = vrrpName: ip: [

     

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           { assertion = ip.addr != "";

     
···

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           }

     

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         ];

     

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         vrrpScriptAssertion = vrrpName: scriptName: {

     

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           assertion = builtins.hasAttr scriptName cfg.vrrpScripts;

     

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           message = "services.keepalived.vrrpInstances.${vrrpName} trackscript ${scriptName} is not defined in services.keepalived.vrrpScripts.";

     

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         };

     

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         pidFile = "/run/keepalived.pid";

     

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       in

     
···

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               default = false;

     

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               description = ''

     

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                 Whether to enable Keepalived.

     

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               '';

     

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             };

     

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             enableScriptSecurity = mkOption {

     

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               type = types.bool;

     

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               default = false;

     

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               description = ''

     

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                 Don't run scripts configured to be run as root if any part of the path is writable by a non-root user.

     

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               '';

     

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             };

     

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···

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             };

     

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             vrrpScripts = mkOption {

     

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               type = types.attrsOf (types.submodule (import ./vrrp-script-options.nix {

     

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                 inherit lib;

     

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               }));

     

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               default = {};

     

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               description = "Declarative vrrp script config";

     

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             };

     

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             vrrpInstances = mkOption {

     

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               type = types.attrsOf (types.submodule (import ./vrrp-options.nix {

     

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               type = types.attrsOf (types.submodule (import ./vrrp-instance-options.nix {

     

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                 inherit lib;

     

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               }));

     

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               default = {};

+14

nixos/modules/services/networking/keepalived/vrrp-options.nix nixos/modules/services/networking/keepalived/vrrp-instance-options.nix

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             description = "Declarative vhost config";

     

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           };

     

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           trackScripts = mkOption {

     

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             type = types.listOf types.str;

     

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             default = [];

     

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             example = [ "chk_cmd1" "chk_cmd2" ];

     

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             description = "List of script names to invoke for health tracking.";

     

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           };

     

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           trackInterfaces = mkOption {

     

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             type = types.listOf types.str;

     

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             default = [];

     

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             example = [ "eth0" "eth1" ];

     

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             description = "List of network interfaces to monitor for health tracking.";

     

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           };

     

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           extraConfig = mkOption {

     

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             type = types.lines;

     

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             default = "";

+64

nixos/modules/services/networking/keepalived/vrrp-script-options.nix

···

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       { lib } :

     

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       with lib;

     

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       with lib.types;

     

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       {

     

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         options = {

     

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           script = mkOption {

     

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             type = str;

     

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             example = "\${pkgs.curl} -f http://localhost:80";

     

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             description = "(Path of) Script command to execute followed by args, i.e. cmd [args]...";

     

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           };

     

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           interval = mkOption {

     

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             type = int;

     

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             default = 1;

     

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             description = "Seconds between script invocations.";

     

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           };

     

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           timeout = mkOption {

     

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             type = int;

     

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             default = 5;

     

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             description = "Seconds after which script is considered to have failed.";

     

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           };

     

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           weight = mkOption {

     

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             type = int;

     

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             default = 0;

     

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             description = "Following a failure, adjust the priority by this weight.";

     

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           };

     

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           rise = mkOption {

     

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             type = int;

     

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             default = 5;

     

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             description = "Required number of successes for OK transition.";

     

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           };

     

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           fall = mkOption {

     

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             type = int;

     

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             default = 3;

     

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             description = "Required number of failures for KO transition.";

     

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           };

     

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           user = mkOption {

     

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             type = str;

     

       46
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             default = "keepalived_script";

     

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             description = "Name of user to run the script under.";

     

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           };

     

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           group = mkOption {

     

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             type = nullOr str;

     

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             default = null;

     

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             description = "Name of group to run the script under. Defaults to user group.";

     

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           };

     

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       +
       

     

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           extraConfig = mkOption {

     

       57
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             type = lines;

     

       58
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             default = "";

     

       59
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             description = "Extra lines to be added verbatim to the vrrp_script section.";

     

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           };

     

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         };

     

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       }