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nixos/services.postgresqlWalReceiver: remove with lib;
This commit is contained in:
Felix Buehler
Jörg Thalheim
parent
5c0e7f70a5
commit
dee892a446
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@ -1,24 +1,21 @@
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{ config, lib, pkgs, ... }:
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with lib;
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let
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receiverSubmodule = {
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options = {
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postgresqlPackage = mkPackageOption pkgs "postgresql" {
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postgresqlPackage = lib.mkPackageOption pkgs "postgresql" {
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example = "postgresql_15";
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};
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directory = mkOption {
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type = types.path;
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example = literalExpression "/mnt/pg_wal/main/";
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directory = lib.mkOption {
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type = lib.types.path;
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example = lib.literalExpression "/mnt/pg_wal/main/";
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description = ''
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Directory to write the output to.
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'';
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};
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statusInterval = mkOption {
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type = types.int;
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statusInterval = lib.mkOption {
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type = lib.types.int;
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default = 10;
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description = ''
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Specifies the number of seconds between status packets sent back to the server.
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@ -28,8 +25,8 @@ let
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'';
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};
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slot = mkOption {
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type = types.str;
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slot = lib.mkOption {
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type = lib.types.str;
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default = "";
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example = "some_slot_name";
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description = ''
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@ -45,8 +42,8 @@ let
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'';
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};
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synchronous = mkOption {
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type = types.bool;
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synchronous = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = ''
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Flush the WAL data to disk immediately after it has been received.
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@ -57,8 +54,8 @@ let
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'';
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};
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compress = mkOption {
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type = types.ints.between 0 9;
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compress = lib.mkOption {
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type = lib.types.ints.between 0 9;
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default = 0;
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description = ''
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Enables gzip compression of write-ahead logs, and specifies the compression level
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@ -69,8 +66,8 @@ let
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'';
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};
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connection = mkOption {
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type = types.str;
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connection = lib.mkOption {
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type = lib.types.str;
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example = "postgresql://user@somehost";
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description = ''
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Specifies parameters used to connect to the server, as a connection string.
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@ -81,10 +78,10 @@ let
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'';
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};
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extraArgs = mkOption {
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type = with types; listOf str;
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extraArgs = lib.mkOption {
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type = with lib.types; listOf str;
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default = [ ];
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example = literalExpression ''
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example = lib.literalExpression ''
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[
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"--no-sync"
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]
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@ -94,10 +91,10 @@ let
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'';
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};
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environment = mkOption {
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type = with types; attrsOf str;
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environment = lib.mkOption {
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type = with lib.types; attrsOf str;
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default = { };
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example = literalExpression ''
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example = lib.literalExpression ''
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{
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PGPASSFILE = "/private/passfile";
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PGSSLMODE = "require";
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@ -114,10 +111,10 @@ let
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in {
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options = {
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services.postgresqlWalReceiver = {
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receivers = mkOption {
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type = with types; attrsOf (submodule receiverSubmodule);
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receivers = lib.mkOption {
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type = with lib.types; attrsOf (submodule receiverSubmodule);
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default = { };
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example = literalExpression ''
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example = lib.literalExpression ''
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{
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main = {
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postgresqlPackage = pkgs.postgresql_15;
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@ -138,7 +135,7 @@ in {
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config = let
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receivers = config.services.postgresqlWalReceiver.receivers;
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in mkIf (receivers != { }) {
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in lib.mkIf (receivers != { }) {
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users = {
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users.postgres = {
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uid = config.ids.uids.postgres;
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@ -151,18 +148,18 @@ in {
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};
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};
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assertions = concatLists (attrsets.mapAttrsToList (name: config: [
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assertions = lib.concatLists (lib.attrsets.mapAttrsToList (name: config: [
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{
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assertion = config.compress > 0 -> versionAtLeast config.postgresqlPackage.version "10";
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assertion = config.compress > 0 -> lib.versionAtLeast config.postgresqlPackage.version "10";
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message = "Invalid configuration for WAL receiver \"${name}\": compress requires PostgreSQL version >= 10.";
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}
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]) receivers);
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systemd.tmpfiles.rules = mapAttrsToList (name: config: ''
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d ${escapeShellArg config.directory} 0750 postgres postgres - -
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systemd.tmpfiles.rules = lib.mapAttrsToList (name: config: ''
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d ${lib.escapeShellArg config.directory} 0750 postgres postgres - -
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'') receivers;
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systemd.services = with attrsets; mapAttrs' (name: config: nameValuePair "postgresql-wal-receiver-${name}" {
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systemd.services = lib.mapAttrs' (name: config: lib.nameValuePair "postgresql-wal-receiver-${name}" {
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description = "PostgreSQL WAL receiver (${name})";
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wantedBy = [ "multi-user.target" ];
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startLimitIntervalSec = 0; # retry forever, useful in case of network disruption
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@ -179,22 +176,22 @@ in {
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script = let
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receiverCommand = postgresqlPackage:
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if (versionAtLeast postgresqlPackage.version "10")
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if (lib.versionAtLeast postgresqlPackage.version "10")
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then "${postgresqlPackage}/bin/pg_receivewal"
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else "${postgresqlPackage}/bin/pg_receivexlog";
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in ''
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${receiverCommand config.postgresqlPackage} \
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--no-password \
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--directory=${escapeShellArg config.directory} \
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--directory=${lib.escapeShellArg config.directory} \
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--status-interval=${toString config.statusInterval} \
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--dbname=${escapeShellArg config.connection} \
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${optionalString (config.compress > 0) "--compress=${toString config.compress}"} \
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${optionalString (config.slot != "") "--slot=${escapeShellArg config.slot}"} \
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${optionalString config.synchronous "--synchronous"} \
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${concatStringsSep " " config.extraArgs}
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--dbname=${lib.escapeShellArg config.connection} \
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${lib.optionalString (config.compress > 0) "--compress=${toString config.compress}"} \
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${lib.optionalString (config.slot != "") "--slot=${lib.escapeShellArg config.slot}"} \
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${lib.optionalString config.synchronous "--synchronous"} \
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${lib.concatStringsSep " " config.extraArgs}
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'';
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}) receivers;
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};
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meta.maintainers = with maintainers; [ pacien ];
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meta.maintainers = with lib.maintainers; [ pacien ];
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}
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