201 lines
7 KiB
Nix
201 lines
7 KiB
Nix
{ config, options, lib, pkgs, utils, ... }:
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with lib;
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let
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cfg = config.services.unifi;
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stateDir = "/var/lib/unifi";
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cmd = ''
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@${cfg.jrePackage}/bin/java java \
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${optionalString (lib.versionAtLeast (lib.getVersion cfg.jrePackage) "16")
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"--add-opens java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.time=ALL-UNNAMED "
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+ "--add-opens java.base/sun.security.util=ALL-UNNAMED --add-opens java.base/java.io=ALL-UNNAMED "
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+ "--add-opens java.rmi/sun.rmi.transport=ALL-UNNAMED"} \
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${optionalString (cfg.initialJavaHeapSize != null) "-Xms${(toString cfg.initialJavaHeapSize)}m"} \
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${optionalString (cfg.maximumJavaHeapSize != null) "-Xmx${(toString cfg.maximumJavaHeapSize)}m"} \
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-jar ${stateDir}/lib/ace.jar
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'';
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in
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{
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options = {
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services.unifi.enable = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Whether or not to enable the unifi controller service.
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'';
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};
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services.unifi.jrePackage = mkOption {
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type = types.package;
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default = if (lib.versionAtLeast (lib.getVersion cfg.unifiPackage) "7.5") then pkgs.jdk17_headless else if (lib.versionAtLeast (lib.getVersion cfg.unifiPackage) "7.3") then pkgs.jdk11 else pkgs.jre8;
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defaultText = literalExpression ''if (lib.versionAtLeast (lib.getVersion cfg.unifiPackage) "7.5") then pkgs.jdk17_headless else if (lib.versionAtLeast (lib.getVersion cfg.unifiPackage) "7.3" then pkgs.jdk11 else pkgs.jre8'';
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description = lib.mdDoc ''
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The JRE package to use. Check the release notes to ensure it is supported.
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'';
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};
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services.unifi.unifiPackage = mkOption {
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type = types.package;
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default = pkgs.unifi5;
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defaultText = literalExpression "pkgs.unifi5";
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description = lib.mdDoc ''
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The unifi package to use.
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'';
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};
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services.unifi.mongodbPackage = mkOption {
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type = types.package;
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default = pkgs.mongodb-4_4;
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defaultText = literalExpression "pkgs.mongodb";
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description = lib.mdDoc ''
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The mongodb package to use. Please note: unifi7 officially only supports mongodb up until 3.6 but works with 4.4.
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'';
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};
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services.unifi.openFirewall = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Whether or not to open the minimum required ports on the firewall.
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This is necessary to allow firmware upgrades and device discovery to
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work. For remote login, you should additionally open (or forward) port
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8443.
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'';
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};
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services.unifi.initialJavaHeapSize = mkOption {
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type = types.nullOr types.int;
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default = null;
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example = 1024;
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description = lib.mdDoc ''
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Set the initial heap size for the JVM in MB. If this option isn't set, the
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JVM will decide this value at runtime.
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'';
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};
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services.unifi.maximumJavaHeapSize = mkOption {
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type = types.nullOr types.int;
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default = null;
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example = 4096;
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description = lib.mdDoc ''
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Set the maximum heap size for the JVM in MB. If this option isn't set, the
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JVM will decide this value at runtime.
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'';
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};
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};
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config = mkIf cfg.enable {
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users.users.unifi = {
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isSystemUser = true;
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group = "unifi";
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description = "UniFi controller daemon user";
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home = "${stateDir}";
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};
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users.groups.unifi = {};
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networking.firewall = mkIf cfg.openFirewall {
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# https://help.ubnt.com/hc/en-us/articles/218506997
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allowedTCPPorts = [
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8080 # Port for UAP to inform controller.
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8880 # Port for HTTP portal redirect, if guest portal is enabled.
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8843 # Port for HTTPS portal redirect, ditto.
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6789 # Port for UniFi mobile speed test.
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];
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allowedUDPPorts = [
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3478 # UDP port used for STUN.
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10001 # UDP port used for device discovery.
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];
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};
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systemd.services.unifi = {
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description = "UniFi controller daemon";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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# This a HACK to fix missing dependencies of dynamic libs extracted from jars
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environment.LD_LIBRARY_PATH = with pkgs.stdenv; "${cc.cc.lib}/lib";
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# Make sure package upgrades trigger a service restart
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restartTriggers = [ cfg.unifiPackage cfg.mongodbPackage ];
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serviceConfig = {
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Type = "simple";
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ExecStart = "${(removeSuffix "\n" cmd)} start";
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ExecStop = "${(removeSuffix "\n" cmd)} stop";
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Restart = "on-failure";
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TimeoutSec = "5min";
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User = "unifi";
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UMask = "0077";
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WorkingDirectory = "${stateDir}";
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# the stop command exits while the main process is still running, and unifi
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# wants to manage its own child processes. this means we have to set KillSignal
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# to something the main process ignores, otherwise every stop will have unifi.service
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# fail with SIGTERM status.
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KillSignal = "SIGCONT";
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# Hardening
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AmbientCapabilities = "";
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CapabilityBoundingSet = "";
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# ProtectClock= adds DeviceAllow=char-rtc r
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DeviceAllow = "";
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DevicePolicy = "closed";
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LockPersonality = true;
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NoNewPrivileges = true;
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PrivateDevices = true;
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PrivateMounts = true;
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PrivateTmp = true;
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PrivateUsers = true;
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ProtectClock = true;
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ProtectControlGroups = true;
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ProtectHome = true;
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ProtectHostname = true;
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ProtectKernelLogs = true;
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ProtectKernelModules = true;
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ProtectKernelTunables = true;
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ProtectSystem = "strict";
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RemoveIPC = true;
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RestrictNamespaces = true;
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RestrictRealtime = true;
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RestrictSUIDSGID = true;
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SystemCallErrorNumber = "EPERM";
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SystemCallFilter = [ "@system-service" ];
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StateDirectory = "unifi";
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RuntimeDirectory = "unifi";
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LogsDirectory = "unifi";
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CacheDirectory= "unifi";
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TemporaryFileSystem = [
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# required as we want to create bind mounts below
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"${stateDir}/webapps:rw"
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];
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# We must create the binary directories as bind mounts instead of symlinks
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# This is because the controller resolves all symlinks to absolute paths
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# to be used as the working directory.
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BindPaths = [
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"/var/log/unifi:${stateDir}/logs"
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"/run/unifi:${stateDir}/run"
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"${cfg.unifiPackage}/dl:${stateDir}/dl"
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"${cfg.unifiPackage}/lib:${stateDir}/lib"
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"${cfg.mongodbPackage}/bin:${stateDir}/bin"
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"${cfg.unifiPackage}/webapps/ROOT:${stateDir}/webapps/ROOT"
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];
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# Needs network access
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PrivateNetwork = false;
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# Cannot be true due to OpenJDK
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MemoryDenyWriteExecute = false;
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};
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};
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};
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imports = [
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(mkRemovedOptionModule [ "services" "unifi" "dataDir" ] "You should move contents of dataDir to /var/lib/unifi/data" )
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(mkRenamedOptionModule [ "services" "unifi" "openPorts" ] [ "services" "unifi" "openFirewall" ])
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];
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}
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