forked from mirrors/nixpkgs
nixos: add neo4j database module
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@ -143,6 +143,7 @@
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dhcpd = 133;
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siproxd = 134;
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mlmmj = 135;
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neo4j = 136;
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# When adding a uid, make sure it doesn't match an existing gid. And don't use uids above 399!
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@ -100,6 +100,7 @@
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./services/databases/monetdb.nix
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./services/databases/mongodb.nix
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./services/databases/mysql.nix
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./services/databases/neo4j.nix
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./services/databases/openldap.nix
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./services/databases/postgresql.nix
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./services/databases/redis.nix
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143
nixos/modules/services/databases/neo4j.nix
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143
nixos/modules/services/databases/neo4j.nix
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@ -0,0 +1,143 @@
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.neo4j;
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serverConfig = pkgs.writeText "neo4j-server.properties" ''
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org.neo4j.server.database.location=${cfg.dataDir}/data/graph.db
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org.neo4j.server.webserver.address=${cfg.host}
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org.neo4j.server.webserver.port=${toString cfg.port}
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${optionalString cfg.enableHttps ''
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org.neo4j.server.webserver.https.enabled=true
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org.neo4j.server.webserver.https.port=${toString cfg.httpsPort}
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org.neo4j.server.webserver.https.cert.location=${cfg.cert}
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org.neo4j.server.webserver.https.key.location=${cfg.key}
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org.neo4j.server.webserver.https.keystore.location=${cfg.dataDir}/data/keystore
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''}
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org.neo4j.server.webadmin.rrdb.location=${cfg.dataDir}/data/rrd
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org.neo4j.server.webadmin.data.uri=/db/data/
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org.neo4j.server.webadmin.management.uri=/db/manage/
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org.neo4j.server.db.tuning.properties=${pkgs.neo4j}/share/neo4j/conf/neo4j.properties
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org.neo4j.server.manage.console_engines=shell
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${cfg.extraServerConfig}
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'';
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loggingConfig = pkgs.writeText "logging.properties" cfg.loggingConfig;
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wrapperConfig = pkgs.writeText "neo4j-wrapper.conf" ''
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wrapper.java.additional=-Dorg.neo4j.server.properties=${serverConfig}
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wrapper.java.additional=-Djava.util.logging.config.file=${loggingConfig}
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wrapper.java.additional=-XX:+UseConcMarkSweepGC
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wrapper.java.additional=-XX:+CMSClassUnloadingEnabled
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wrapper.pidfile=${cfg.dataDir}/neo4j-server.pid
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wrapper.name=neo4j
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'';
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in {
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###### interface
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options.services.neo4j = {
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enable = mkOption {
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description = "Whether to enable neo4j.";
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default = false;
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type = types.uniq types.bool;
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};
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host = mkOption {
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description = "Neo4j listen address.";
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default = "127.0.0.1";
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type = types.str;
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};
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port = mkOption {
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description = "Neo4j port to listen for HTTP traffic.";
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default = 7474;
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type = types.int;
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};
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enableHttps = mkOption {
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description = "Enable https for Neo4j.";
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default = false;
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type = types.bool;
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};
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httpsPort = mkOption {
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description = "Neo4j port to listen for HTTPS traffic.";
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default = 7473;
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type = types.int;
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};
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cert = mkOption {
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description = "Neo4j https certificate.";
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default = "${cfg.dataDir}/conf/ssl/neo4j.cert";
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type = types.path;
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};
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key = mkOption {
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description = "Neo4j https certificate key.";
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default = "${cfg.dataDir}/conf/ssl/neo4j.key";
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type = types.path;
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};
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dataDir = mkOption {
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description = "Neo4j data directory.";
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default = "/var/lib/neo4j";
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type = types.path;
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};
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loggingConfig = mkOption {
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description = "Neo4j logging configuration.";
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default = ''
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handlers=java.util.logging.ConsoleHandler
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.level=INFO
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org.neo4j.server.level=INFO
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java.util.logging.ConsoleHandler.level=INFO
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java.util.logging.ConsoleHandler.formatter=org.neo4j.server.logging.SimpleConsoleFormatter
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java.util.logging.ConsoleHandler.filter=org.neo4j.server.logging.NeoLogFilter
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'';
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type = types.lines;
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};
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extraServerConfig = mkOption {
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description = "Extra configuration for neo4j server.";
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default = "";
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type = types.lines;
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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systemd.services.neo4j = {
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description = "Neo4j Daemon";
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wantedBy = [ "multi-user.target" ];
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after = [ "network-interfaces.target" ];
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environment = { NEO4J_INSTANCE = cfg.dataDir; };
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serviceConfig = {
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ExecStart = "${pkgs.neo4j}/bin/neo4j console";
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User = "neo4j";
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PermissionsStartOnly = true;
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};
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preStart = ''
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mkdir -m 0700 -p ${cfg.dataDir}/{data/graph.db,conf}
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ln -fs ${wrapperConfig} ${cfg.dataDir}/conf/neo4j-wrapper.conf
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if [ "$(id -u)" = 0 ]; then chown -R neo4j ${cfg.dataDir}; fi
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'';
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};
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environment.systemPackages = [ pkgs.neo4j ];
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users.extraUsers = singleton {
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name = "neo4j";
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uid = config.ids.uids.neo4j;
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description = "Neo4j daemon user";
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home = cfg.dataDir;
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};
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};
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}
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