diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index 329c8685c36..ae6b1dd0773 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -1054,6 +1054,7 @@
./services/web-apps/netbox.nix
./services/web-apps/nextcloud.nix
./services/web-apps/nexus.nix
+ ./services/web-apps/nifi.nix
./services/web-apps/node-red.nix
./services/web-apps/pict-rs.nix
./services/web-apps/peertube.nix
diff --git a/nixos/modules/services/web-apps/nifi.nix b/nixos/modules/services/web-apps/nifi.nix
new file mode 100644
index 00000000000..21a63127264
--- /dev/null
+++ b/nixos/modules/services/web-apps/nifi.nix
@@ -0,0 +1,318 @@
+{ lib, pkgs, config, options, ... }:
+
+let
+ cfg = config.services.nifi;
+ opt = options.services.nifi;
+
+ env = {
+ NIFI_OVERRIDE_NIFIENV = "true";
+ NIFI_HOME = "/var/lib/nifi";
+ NIFI_PID_DIR = "/run/nifi";
+ NIFI_LOG_DIR = "/var/log/nifi";
+ };
+
+ envFile = pkgs.writeText "nifi.env" (lib.concatMapStrings (s: s + "\n") (
+ (lib.concatLists (lib.mapAttrsToList (name: value:
+ if value != null then [
+ "${name}=\"${toString value}\""
+ ] else []
+ ) env))));
+
+ nifiEnv = pkgs.writeShellScriptBin "nifi-env" ''
+ set -a
+ source "${envFile}"
+ eval -- "\$@"
+ '';
+
+in {
+ options = {
+ services.nifi = {
+ enable = lib.mkEnableOption "Apache NiFi";
+
+ package = lib.mkOption {
+ type = lib.types.package;
+ default = pkgs.nifi;
+ defaultText = lib.literalExpression "pkgs.nifi";
+ description = "Apache NiFi package to use.";
+ };
+
+ user = lib.mkOption {
+ type = lib.types.str;
+ default = "nifi";
+ description = "User account where Apache NiFi runs.";
+ };
+
+ group = lib.mkOption {
+ type = lib.types.str;
+ default = "nifi";
+ description = "Group account where Apache NiFi runs.";
+ };
+
+ enableHTTPS = lib.mkOption {
+ type = lib.types.bool;
+ default = true;
+ description = "Enable HTTPS protocol. Don`t use in production.";
+ };
+
+ listenHost = lib.mkOption {
+ type = lib.types.str;
+ default = if cfg.enableHTTPS then "0.0.0.0" else "127.0.0.1";
+ defaultText = lib.literalExpression ''
+ if config.${opt.enableHTTPS}
+ then "0.0.0.0"
+ else "127.0.0.1"
+ '';
+ description = "Bind to an ip for Apache NiFi web-ui.";
+ };
+
+ listenPort = lib.mkOption {
+ type = lib.types.int;
+ default = if cfg.enableHTTPS then 8443 else 8080;
+ defaultText = lib.literalExpression ''
+ if config.${opt.enableHTTPS}
+ then "8443"
+ else "8000"
+ '';
+ description = "Bind to a port for Apache NiFi web-ui.";
+ };
+
+ proxyHost = lib.mkOption {
+ type = lib.types.nullOr lib.types.str;
+ default = if cfg.enableHTTPS then "0.0.0.0" else null;
+ defaultText = lib.literalExpression ''
+ if config.${opt.enableHTTPS}
+ then "0.0.0.0"
+ else null
+ '';
+ description = "Allow requests from a specific host.";
+ };
+
+ proxyPort = lib.mkOption {
+ type = lib.types.nullOr lib.types.int;
+ default = if cfg.enableHTTPS then 8443 else null;
+ defaultText = lib.literalExpression ''
+ if config.${opt.enableHTTPS}
+ then "8443"
+ else null
+ '';
+ description = "Allow requests from a specific port.";
+ };
+
+ initUser = lib.mkOption {
+ type = lib.types.nullOr lib.types.str;
+ default = null;
+ description = "Initial user account for Apache NiFi. Username must be at least 4 characters.";
+ };
+
+ initPasswordFile = lib.mkOption {
+ type = lib.types.nullOr lib.types.path;
+ default = null;
+ example = "/run/keys/nifi/password-nifi";
+ description = "nitial password for Apache NiFi. Password must be at least 12 characters.";
+ };
+
+ initJavaHeapSize = lib.mkOption {
+ type = lib.types.nullOr lib.types.int;
+ default = null;
+ example = 1024;
+ description = "Set the initial heap size for the JVM in MB.";
+ };
+
+ maxJavaHeapSize = lib.mkOption {
+ type = lib.types.nullOr lib.types.int;
+ default = null;
+ example = 2048;
+ description = "Set the initial heap size for the JVM in MB.";
+ };
+ };
+ };
+
+ config = lib.mkIf cfg.enable {
+ assertions = [
+ { assertion = cfg.initUser!=null || cfg.initPasswordFile==null;
+ message = ''
+ needs to be set if enabled.
+ '';
+ }
+ { assertion = cfg.initUser==null || cfg.initPasswordFile!=null;
+ message = ''
+ needs to be set if enabled.
+ '';
+ }
+ { assertion = cfg.proxyHost==null || cfg.proxyPort!=null;
+ message = ''
+ needs to be set if value specified.
+ '';
+ }
+ { assertion = cfg.proxyHost!=null || cfg.proxyPort==null;
+ message = ''
+ needs to be set if value specified.
+ '';
+ }
+ { assertion = cfg.initJavaHeapSize==null || cfg.maxJavaHeapSize!=null;
+ message = ''
+ needs to be set if value specified.
+ '';
+ }
+ { assertion = cfg.initJavaHeapSize!=null || cfg.maxJavaHeapSize==null;
+ message = ''
+ needs to be set if value specified.
+ '';
+ }
+ ];
+
+ warnings = lib.optional (cfg.enableHTTPS==false) ''
+ Please do not disable HTTPS mode in production. In this mode, access to the nifi is opened without authentication.
+ '';
+
+ systemd.tmpfiles.rules = [
+ "d '/var/lib/nifi/conf' 0750 ${cfg.user} ${cfg.group}"
+ "L+ '/var/lib/nifi/lib' - - - - ${cfg.package}/lib"
+ ];
+
+
+ systemd.services.nifi = {
+ description = "Apache NiFi";
+ after = [ "network.target" ];
+ wantedBy = [ "multi-user.target" ];
+
+ environment = env;
+ path = [ pkgs.gawk ];
+
+ serviceConfig = {
+ Type = "forking";
+ PIDFile = "/run/nifi/nifi.pid";
+ ExecStartPre = pkgs.writeScript "nifi-pre-start.sh" ''
+ #!/bin/sh
+ umask 077
+ test -f '/var/lib/nifi/conf/authorizers.xml' || (cp '${cfg.package}/share/nifi/conf/authorizers.xml' '/var/lib/nifi/conf/' && chmod 0640 '/var/lib/nifi/conf/authorizers.xml')
+ test -f '/var/lib/nifi/conf/bootstrap.conf' || (cp '${cfg.package}/share/nifi/conf/bootstrap.conf' '/var/lib/nifi/conf/' && chmod 0640 '/var/lib/nifi/conf/bootstrap.conf')
+ test -f '/var/lib/nifi/conf/bootstrap-hashicorp-vault.conf' || (cp '${cfg.package}/share/nifi/conf/bootstrap-hashicorp-vault.conf' '/var/lib/nifi/conf/' && chmod 0640 '/var/lib/nifi/conf/bootstrap-hashicorp-vault.conf')
+ test -f '/var/lib/nifi/conf/bootstrap-notification-services.xml' || (cp '${cfg.package}/share/nifi/conf/bootstrap-notification-services.xml' '/var/lib/nifi/conf/' && chmod 0640 '/var/lib/nifi/conf/bootstrap-notification-services.xml')
+ test -f '/var/lib/nifi/conf/logback.xml' || (cp '${cfg.package}/share/nifi/conf/logback.xml' '/var/lib/nifi/conf/' && chmod 0640 '/var/lib/nifi/conf/logback.xml')
+ test -f '/var/lib/nifi/conf/login-identity-providers.xml' || (cp '${cfg.package}/share/nifi/conf/login-identity-providers.xml' '/var/lib/nifi/conf/' && chmod 0640 '/var/lib/nifi/conf/login-identity-providers.xml')
+ test -f '/var/lib/nifi/conf/nifi.properties' || (cp '${cfg.package}/share/nifi/conf/nifi.properties' '/var/lib/nifi/conf/' && chmod 0640 '/var/lib/nifi/conf/nifi.properties')
+ test -f '/var/lib/nifi/conf/stateless-logback.xml' || (cp '${cfg.package}/share/nifi/conf/stateless-logback.xml' '/var/lib/nifi/conf/' && chmod 0640 '/var/lib/nifi/conf/stateless-logback.xml')
+ test -f '/var/lib/nifi/conf/stateless.properties' || (cp '${cfg.package}/share/nifi/conf/stateless.properties' '/var/lib/nifi/conf/' && chmod 0640 '/var/lib/nifi/conf/stateless.properties')
+ test -f '/var/lib/nifi/conf/state-management.xml' || (cp '${cfg.package}/share/nifi/conf/state-management.xml' '/var/lib/nifi/conf/' && chmod 0640 '/var/lib/nifi/conf/state-management.xml')
+ test -f '/var/lib/nifi/conf/zookeeper.properties' || (cp '${cfg.package}/share/nifi/conf/zookeeper.properties' '/var/lib/nifi/conf/' && chmod 0640 '/var/lib/nifi/conf/zookeeper.properties')
+ test -d '/var/lib/nifi/docs/html' || (mkdir -p /var/lib/nifi/docs && cp -r '${cfg.package}/share/nifi/docs/html' '/var/lib/nifi/docs/html')
+ ${lib.optionalString ((cfg.initUser != null) && (cfg.initPasswordFile != null)) ''
+ awk -F'[<|>]' '/property name="Username"/ {if ($3!="") f=1} END{exit !f}' /var/lib/nifi/conf/login-identity-providers.xml || ${cfg.package}/bin/nifi.sh set-single-user-credentials ${cfg.initUser} $(cat ${cfg.initPasswordFile})
+ ''}
+ ${lib.optionalString (cfg.enableHTTPS == false) ''
+ sed -i /var/lib/nifi/conf/nifi.properties \
+ -e 's|nifi.remote.input.secure=.*|nifi.remote.input.secure=false|g' \
+ -e 's|nifi.web.http.host=.*|nifi.web.http.host=${cfg.listenHost}|g' \
+ -e 's|nifi.web.http.port=.*|nifi.web.http.port=${(toString cfg.listenPort)}|g' \
+ -e 's|nifi.web.https.host=.*|nifi.web.https.host=|g' \
+ -e 's|nifi.web.https.port=.*|nifi.web.https.port=|g' \
+ -e 's|nifi.security.keystore=.*|nifi.security.keystore=|g' \
+ -e 's|nifi.security.keystoreType=.*|nifi.security.keystoreType=|g' \
+ -e 's|nifi.security.truststore=.*|nifi.security.truststore=|g' \
+ -e 's|nifi.security.truststoreType=.*|nifi.security.truststoreType=|g' \
+ -e '/nifi.security.keystorePasswd/s|^|#|' \
+ -e '/nifi.security.keyPasswd/s|^|#|' \
+ -e '/nifi.security.truststorePasswd/s|^|#|'
+ ''}
+ ${lib.optionalString (cfg.enableHTTPS == true) ''
+ sed -i /var/lib/nifi/conf/nifi.properties \
+ -e 's|nifi.remote.input.secure=.*|nifi.remote.input.secure=true|g' \
+ -e 's|nifi.web.http.host=.*|nifi.web.http.host=|g' \
+ -e 's|nifi.web.http.port=.*|nifi.web.http.port=|g' \
+ -e 's|nifi.web.https.host=.*|nifi.web.https.host=${cfg.listenHost}|g' \
+ -e 's|nifi.web.https.port=.*|nifi.web.https.port=${(toString cfg.listenPort)}|g' \
+ -e 's|nifi.security.keystore=.*|nifi.security.keystore=./conf/keystore.p12|g' \
+ -e 's|nifi.security.keystoreType=.*|nifi.security.keystoreType=PKCS12|g' \
+ -e 's|nifi.security.truststore=.*|nifi.security.truststore=./conf/truststore.p12|g' \
+ -e 's|nifi.security.truststoreType=.*|nifi.security.truststoreType=PKCS12|g' \
+ -e '/nifi.security.keystorePasswd/s|^#\+||' \
+ -e '/nifi.security.keyPasswd/s|^#\+||' \
+ -e '/nifi.security.truststorePasswd/s|^#\+||'
+ ''}
+ ${lib.optionalString ((cfg.enableHTTPS == true) && (cfg.proxyHost != null) && (cfg.proxyPort != null)) ''
+ sed -i /var/lib/nifi/conf/nifi.properties \
+ -e 's|nifi.web.proxy.host=.*|nifi.web.proxy.host=${cfg.proxyHost}:${(toString cfg.proxyPort)}|g'
+ ''}
+ ${lib.optionalString ((cfg.enableHTTPS == false) || (cfg.proxyHost == null) && (cfg.proxyPort == null)) ''
+ sed -i /var/lib/nifi/conf/nifi.properties \
+ -e 's|nifi.web.proxy.host=.*|nifi.web.proxy.host=|g'
+ ''}
+ ${lib.optionalString ((cfg.initJavaHeapSize != null) && (cfg.maxJavaHeapSize != null))''
+ sed -i /var/lib/nifi/conf/bootstrap.conf \
+ -e 's|java.arg.2=.*|java.arg.2=-Xms${(toString cfg.initJavaHeapSize)}m|g' \
+ -e 's|java.arg.3=.*|java.arg.3=-Xmx${(toString cfg.maxJavaHeapSize)}m|g'
+ ''}
+ ${lib.optionalString ((cfg.initJavaHeapSize == null) && (cfg.maxJavaHeapSize == null))''
+ sed -i /var/lib/nifi/conf/bootstrap.conf \
+ -e 's|java.arg.2=.*|java.arg.2=-Xms512m|g' \
+ -e 's|java.arg.3=.*|java.arg.3=-Xmx512m|g'
+ ''}
+ '';
+ ExecStart = "${cfg.package}/bin/nifi.sh start";
+ ExecStop = "${cfg.package}/bin/nifi.sh stop";
+ # User and group
+ User = cfg.user;
+ Group = cfg.group;
+ # Runtime directory and mode
+ RuntimeDirectory = "nifi";
+ RuntimeDirectoryMode = "0750";
+ # State directory and mode
+ StateDirectory = "nifi";
+ StateDirectoryMode = "0750";
+ # Logs directory and mode
+ LogsDirectory = "nifi";
+ LogsDirectoryMode = "0750";
+ # Proc filesystem
+ ProcSubset = "pid";
+ ProtectProc = "invisible";
+ # Access write directories
+ ReadWritePaths = [ cfg.initPasswordFile ];
+ UMask = "0027";
+ # Capabilities
+ CapabilityBoundingSet = "";
+ # Security
+ NoNewPrivileges = true;
+ # Sandboxing
+ ProtectSystem = "strict";
+ ProtectHome = true;
+ PrivateTmp = true;
+ PrivateDevices = true;
+ PrivateIPC = true;
+ PrivateUsers = true;
+ ProtectHostname = true;
+ ProtectClock = true;
+ ProtectKernelTunables = true;
+ ProtectKernelModules = true;
+ ProtectKernelLogs = true;
+ ProtectControlGroups = true;
+ RestrictAddressFamilies = [ "AF_INET AF_INET6" ];
+ RestrictNamespaces = true;
+ LockPersonality = true;
+ MemoryDenyWriteExecute = false;
+ RestrictRealtime = true;
+ RestrictSUIDSGID = true;
+ RemoveIPC = true;
+ PrivateMounts = true;
+ # System Call Filtering
+ SystemCallArchitectures = "native";
+ SystemCallFilter = [ "~@cpu-emulation @debug @keyring @memlock @mount @obsolete @resources @privileged @setuid" "@chown" ];
+ };
+ };
+
+ users.users = lib.mkMerge [
+ (lib.mkIf (cfg.user == "nifi") {
+ nifi = {
+ group = cfg.group;
+ isSystemUser = true;
+ home = cfg.package;
+ };
+ })
+ (lib.attrsets.setAttrByPath [ cfg.user "packages" ] [ cfg.package nifiEnv ])
+ ];
+
+ users.groups = lib.optionalAttrs (cfg.group == "nifi") {
+ nifi = { };
+ };
+ };
+}