Loading nixos/modules/module-list.nix +1 −0 Original line number Diff line number Diff line Loading @@ -666,6 +666,7 @@ ./services/misc/mediatomb.nix ./services/misc/metabase.nix ./services/misc/moonraker.nix ./services/misc/mqtt2influxdb.nix ./services/misc/n8n.nix ./services/misc/nitter.nix ./services/misc/nix-gc.nix Loading nixos/modules/services/misc/mqtt2influxdb.nix 0 → 100644 +253 −0 Original line number Diff line number Diff line { config, lib, pkgs, ... }: with lib; let cfg = config.services.mqtt2influxdb; filterNull = filterAttrsRecursive (n: v: v != null); configFile = (pkgs.formats.yaml {}).generate "mqtt2influxdb.config.yaml" ( filterNull { inherit (cfg) mqtt influxdb; points = map filterNull cfg.points; } ); pointType = types.submodule { options = { measurement = mkOption { type = types.str; description = mdDoc "Name of the measurement"; }; topic = mkOption { type = types.str; description = mdDoc "MQTT topic to subscribe to."; }; fields = mkOption { type = types.submodule { options = { value = mkOption { type = types.str; default = "$.payload"; description = mdDoc "Value to be picked up"; }; type = mkOption { type = with types; nullOr str; default = null; description = mdDoc "Type to be picked up"; }; }; }; description = mdDoc "Field selector."; }; tags = mkOption { type = with types; attrsOf str; default = {}; description = mdDoc "Tags applied"; }; }; }; defaultPoints = [ { measurement = "temperature"; topic = "node/+/thermometer/+/temperature"; fields.value = "$.payload"; tags = { id = "$.topic[1]"; channel = "$.topic[3]"; }; } { measurement = "relative-humidity"; topic = "node/+/hygrometer/+/relative-humidity"; fields.value = "$.payload"; tags = { id = "$.topic[1]"; channel = "$.topic[3]"; }; } { measurement = "illuminance"; topic = "node/+/lux-meter/0:0/illuminance"; fields.value = "$.payload"; tags = { id = "$.topic[1]"; }; } { measurement = "pressure"; topic = "node/+/barometer/0:0/pressure"; fields.value = "$.payload"; tags = { id = "$.topic[1]"; }; } { measurement = "co2"; topic = "node/+/co2-meter/-/concentration"; fields.value = "$.payload"; tags = { id = "$.topic[1]"; }; } { measurement = "voltage"; topic = "node/+/battery/+/voltage"; fields.value = "$.payload"; tags = { id = "$.topic[1]"; }; } { measurement = "button"; topic = "node/+/push-button/+/event-count"; fields.value = "$.payload"; tags = { id = "$.topic[1]"; channel = "$.topic[3]"; }; } { measurement = "tvoc"; topic = "node/+/voc-lp-sensor/0:0/tvoc"; fields.value = "$.payload"; tags = { id = "$.topic[1]"; }; } ]; in { options = { services.mqtt2influxdb = { enable = mkEnableOption (mdDoc "BigClown MQTT to InfluxDB bridge."); environmentFiles = mkOption { type = types.listOf types.path; default = []; example = [ "/run/keys/mqtt2influxdb.env" ]; description = mdDoc '' File to load as environment file. Environment variables from this file will be interpolated into the config file using envsubst with this syntax: `$ENVIRONMENT` or `''${VARIABLE}`. This is useful to avoid putting secrets into the nix store. ''; }; mqtt = { host = mkOption { type = types.str; default = "127.0.0.1"; description = mdDoc "Host where MQTT server is running."; }; port = mkOption { type = types.port; default = 1883; description = mdDoc "MQTT server port."; }; username = mkOption { type = with types; nullOr str; default = null; description = mdDoc "Username used to connect to the MQTT server."; }; password = mkOption { type = with types; nullOr str; default = null; description = mdDoc '' MQTT password. It is highly suggested to use here replacement through environmentFiles as otherwise the password is put world readable to the store. ''; }; cafile = mkOption { type = with types; nullOr path; default = null; description = mdDoc "Certification Authority file for MQTT"; }; certfile = mkOption { type = with types; nullOr path; default = null; description = mdDoc "Certificate file for MQTT"; }; keyfile = mkOption { type = with types; nullOr path; default = null; description = mdDoc "Key file for MQTT"; }; }; influxdb = { host = mkOption { type = types.str; default = "127.0.0.1"; description = mdDoc "Host where InfluxDB server is running."; }; port = mkOption { type = types.port; default = 8086; description = mdDoc "InfluxDB server port"; }; database = mkOption { type = types.str; description = mdDoc "Name of the InfluxDB database."; }; username = mkOption { type = with types; nullOr str; default = null; description = mdDoc "Username for InfluxDB login."; }; password = mkOption { type = with types; nullOr str; default = null; description = mdDoc '' Password for InfluxDB login. It is highly suggested to use here replacement through environmentFiles as otherwise the password is put world readable to the store. ''; }; ssl = mkOption { type = types.bool; default = false; description = mdDoc "Use SSL to connect to the InfluxDB server."; }; verify_ssl = mkOption { type = types.bool; default = true; description = mdDoc "Verify SSL certificate when connecting to the InfluxDB server."; }; }; points = mkOption { type = types.listOf pointType; default = defaultPoints; description = mdDoc "Points to bridge from MQTT to InfluxDB."; }; }; }; config = mkIf cfg.enable { systemd.services.bigclown-mqtt2influxdb = let envConfig = cfg.environmentFiles != []; finalConfig = if envConfig then "$RUNTIME_DIRECTORY/mqtt2influxdb.config.yaml" else configFile; in { description = "BigClown MQTT to InfluxDB bridge"; wantedBy = ["multi-user.target"]; wants = mkIf config.services.mosquitto.enable ["mosquitto.service"]; preStart = '' umask 077 ${pkgs.envsubst}/bin/envsubst -i "${configFile}" -o "${finalConfig}" ''; serviceConfig = { EnvironmentFile = cfg.environmentFiles; ExecStart = "${cfg.package}/bin/mqtt2influxdb -dc ${finalConfig}"; RuntimeDirectory = "mqtt2influxdb"; }; }; }; } Loading
nixos/modules/module-list.nix +1 −0 Original line number Diff line number Diff line Loading @@ -666,6 +666,7 @@ ./services/misc/mediatomb.nix ./services/misc/metabase.nix ./services/misc/moonraker.nix ./services/misc/mqtt2influxdb.nix ./services/misc/n8n.nix ./services/misc/nitter.nix ./services/misc/nix-gc.nix Loading
nixos/modules/services/misc/mqtt2influxdb.nix 0 → 100644 +253 −0 Original line number Diff line number Diff line { config, lib, pkgs, ... }: with lib; let cfg = config.services.mqtt2influxdb; filterNull = filterAttrsRecursive (n: v: v != null); configFile = (pkgs.formats.yaml {}).generate "mqtt2influxdb.config.yaml" ( filterNull { inherit (cfg) mqtt influxdb; points = map filterNull cfg.points; } ); pointType = types.submodule { options = { measurement = mkOption { type = types.str; description = mdDoc "Name of the measurement"; }; topic = mkOption { type = types.str; description = mdDoc "MQTT topic to subscribe to."; }; fields = mkOption { type = types.submodule { options = { value = mkOption { type = types.str; default = "$.payload"; description = mdDoc "Value to be picked up"; }; type = mkOption { type = with types; nullOr str; default = null; description = mdDoc "Type to be picked up"; }; }; }; description = mdDoc "Field selector."; }; tags = mkOption { type = with types; attrsOf str; default = {}; description = mdDoc "Tags applied"; }; }; }; defaultPoints = [ { measurement = "temperature"; topic = "node/+/thermometer/+/temperature"; fields.value = "$.payload"; tags = { id = "$.topic[1]"; channel = "$.topic[3]"; }; } { measurement = "relative-humidity"; topic = "node/+/hygrometer/+/relative-humidity"; fields.value = "$.payload"; tags = { id = "$.topic[1]"; channel = "$.topic[3]"; }; } { measurement = "illuminance"; topic = "node/+/lux-meter/0:0/illuminance"; fields.value = "$.payload"; tags = { id = "$.topic[1]"; }; } { measurement = "pressure"; topic = "node/+/barometer/0:0/pressure"; fields.value = "$.payload"; tags = { id = "$.topic[1]"; }; } { measurement = "co2"; topic = "node/+/co2-meter/-/concentration"; fields.value = "$.payload"; tags = { id = "$.topic[1]"; }; } { measurement = "voltage"; topic = "node/+/battery/+/voltage"; fields.value = "$.payload"; tags = { id = "$.topic[1]"; }; } { measurement = "button"; topic = "node/+/push-button/+/event-count"; fields.value = "$.payload"; tags = { id = "$.topic[1]"; channel = "$.topic[3]"; }; } { measurement = "tvoc"; topic = "node/+/voc-lp-sensor/0:0/tvoc"; fields.value = "$.payload"; tags = { id = "$.topic[1]"; }; } ]; in { options = { services.mqtt2influxdb = { enable = mkEnableOption (mdDoc "BigClown MQTT to InfluxDB bridge."); environmentFiles = mkOption { type = types.listOf types.path; default = []; example = [ "/run/keys/mqtt2influxdb.env" ]; description = mdDoc '' File to load as environment file. Environment variables from this file will be interpolated into the config file using envsubst with this syntax: `$ENVIRONMENT` or `''${VARIABLE}`. This is useful to avoid putting secrets into the nix store. ''; }; mqtt = { host = mkOption { type = types.str; default = "127.0.0.1"; description = mdDoc "Host where MQTT server is running."; }; port = mkOption { type = types.port; default = 1883; description = mdDoc "MQTT server port."; }; username = mkOption { type = with types; nullOr str; default = null; description = mdDoc "Username used to connect to the MQTT server."; }; password = mkOption { type = with types; nullOr str; default = null; description = mdDoc '' MQTT password. It is highly suggested to use here replacement through environmentFiles as otherwise the password is put world readable to the store. ''; }; cafile = mkOption { type = with types; nullOr path; default = null; description = mdDoc "Certification Authority file for MQTT"; }; certfile = mkOption { type = with types; nullOr path; default = null; description = mdDoc "Certificate file for MQTT"; }; keyfile = mkOption { type = with types; nullOr path; default = null; description = mdDoc "Key file for MQTT"; }; }; influxdb = { host = mkOption { type = types.str; default = "127.0.0.1"; description = mdDoc "Host where InfluxDB server is running."; }; port = mkOption { type = types.port; default = 8086; description = mdDoc "InfluxDB server port"; }; database = mkOption { type = types.str; description = mdDoc "Name of the InfluxDB database."; }; username = mkOption { type = with types; nullOr str; default = null; description = mdDoc "Username for InfluxDB login."; }; password = mkOption { type = with types; nullOr str; default = null; description = mdDoc '' Password for InfluxDB login. It is highly suggested to use here replacement through environmentFiles as otherwise the password is put world readable to the store. ''; }; ssl = mkOption { type = types.bool; default = false; description = mdDoc "Use SSL to connect to the InfluxDB server."; }; verify_ssl = mkOption { type = types.bool; default = true; description = mdDoc "Verify SSL certificate when connecting to the InfluxDB server."; }; }; points = mkOption { type = types.listOf pointType; default = defaultPoints; description = mdDoc "Points to bridge from MQTT to InfluxDB."; }; }; }; config = mkIf cfg.enable { systemd.services.bigclown-mqtt2influxdb = let envConfig = cfg.environmentFiles != []; finalConfig = if envConfig then "$RUNTIME_DIRECTORY/mqtt2influxdb.config.yaml" else configFile; in { description = "BigClown MQTT to InfluxDB bridge"; wantedBy = ["multi-user.target"]; wants = mkIf config.services.mosquitto.enable ["mosquitto.service"]; preStart = '' umask 077 ${pkgs.envsubst}/bin/envsubst -i "${configFile}" -o "${finalConfig}" ''; serviceConfig = { EnvironmentFile = cfg.environmentFiles; ExecStart = "${cfg.package}/bin/mqtt2influxdb -dc ${finalConfig}"; RuntimeDirectory = "mqtt2influxdb"; }; }; }; }
