nixos/alerta: create new module + add kapacitor integration
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@ -334,6 +334,7 @@
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slurm = 307;
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slurm = 307;
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kapacitor = 308;
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kapacitor = 308;
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solr = 309;
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solr = 309;
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alerta = 310;
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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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# When adding a uid, make sure it doesn't match an existing gid. And don't use uids above 399!
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@ -628,6 +629,7 @@
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slurm = 307;
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slurm = 307;
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kapacitor = 308;
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kapacitor = 308;
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solr = 309;
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solr = 309;
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alerta = 310;
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# When adding a gid, make sure it doesn't match an existing
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# When adding a gid, make sure it doesn't match an existing
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# uid. Users and groups with the same name should have equal
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# uid. Users and groups with the same name should have equal
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@ -419,6 +419,7 @@
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./services/misc/weechat.nix
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./services/misc/weechat.nix
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./services/misc/xmr-stak.nix
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./services/misc/xmr-stak.nix
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./services/misc/zookeeper.nix
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./services/misc/zookeeper.nix
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./services/monitoring/alerta.nix
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./services/monitoring/apcupsd.nix
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./services/monitoring/apcupsd.nix
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./services/monitoring/arbtt.nix
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./services/monitoring/arbtt.nix
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./services/monitoring/bosun.nix
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./services/monitoring/bosun.nix
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116
nixos/modules/services/monitoring/alerta.nix
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116
nixos/modules/services/monitoring/alerta.nix
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@ -0,0 +1,116 @@
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{ options, config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.alerta;
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alertaConf = pkgs.writeTextFile {
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name = "alertad.conf";
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text = ''
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DATABASE_URL = '${cfg.databaseUrl}'
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DATABASE_NAME = '${cfg.databaseName}'
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LOG_FILE = '${cfg.logDir}/alertad.log'
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LOG_FORMAT = '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
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CORS_ORIGINS = [ ${concatMapStringsSep ", " (s: "\"" + s + "\"") cfg.corsOrigins} ];
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AUTH_REQUIRED = ${if cfg.authenticationRequired then "True" else "False"}
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SIGNUP_ENABLED = ${if cfg.signupEnabled then "True" else "False"}
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${cfg.extraConfig}
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'';
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};
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in
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{
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options.services.alerta = {
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enable = mkEnableOption "alerta";
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port = mkOption {
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type = types.int;
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default = 5000;
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description = "Port of Alerta";
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};
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bind = mkOption {
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type = types.str;
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default = "0.0.0.0";
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example = literalExample "0.0.0.0";
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description = "Address to bind to. The default is to bind to all addresses";
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};
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logDir = mkOption {
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type = types.path;
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description = "Location where the logfiles are stored";
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default = "/var/log/alerta";
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};
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databaseUrl = mkOption {
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type = types.str;
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description = "URL of the MongoDB or PostgreSQL database to connect to";
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default = "mongodb://localhost";
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example = "mongodb://localhost";
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};
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databaseName = mkOption {
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type = types.str;
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description = "Name of the database instance to connect to";
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default = "monitoring";
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example = "monitoring";
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};
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corsOrigins = mkOption {
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type = types.listOf types.str;
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description = "List of URLs that can access the API for Cross-Origin Resource Sharing (CORS)";
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example = [ "http://localhost" "http://localhost:5000" ];
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default = [ "http://localhost" "http://localhost:5000" ];
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};
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authenticationRequired = mkOption {
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type = types.bool;
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description = "Whether users must authenticate when using the web UI or command-line tool";
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default = false;
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};
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signupEnabled = mkOption {
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type = types.bool;
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description = "Whether to prevent sign-up of new users via the web UI";
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default = true;
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};
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extraConfig = mkOption {
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description = "These lines go into alertad.conf verbatim.";
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default = "";
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type = types.lines;
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};
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};
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config = mkIf cfg.enable {
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systemd.services.alerta = {
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description = "Alerta Monitoring System";
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wantedBy = [ "multi-user.target" ];
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after = [ "networking.target" ];
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environment = {
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ALERTA_SVR_CONF_FILE = alertaConf;
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};
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serviceConfig = {
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ExecStart = "${pkgs.python36Packages.alerta-server}/bin/alertad run --port ${toString cfg.port} --host ${cfg.bind}";
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User = "alerta";
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Group = "alerta";
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PermissionsStartOnly = true;
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};
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preStart = ''
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mkdir -p ${cfg.logDir}
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chown alerta:alerta ${cfg.logDir}
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'';
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};
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environment.systemPackages = [ pkgs.python36Packages.alerta ];
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users.users.alerta = {
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uid = config.ids.uids.alerta;
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description = "Alerta user";
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};
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users.groups.alerta = {
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gid = config.ids.gids.alerta;
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};
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};
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}
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@ -42,6 +42,15 @@ let
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password = "${cfg.defaultDatabase.password}"
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password = "${cfg.defaultDatabase.password}"
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''}
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''}
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${optionalString (cfg.alerta.enable) ''
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[alerta]
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enabled = true
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url = "${cfg.alerta.url}"
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token = "${cfg.alerta.token}"
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environment = "${cfg.alerta.environment}"
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origin = "${cfg.alerta.origin}"
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''}
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${cfg.extraConfig}
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${cfg.extraConfig}
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'';
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'';
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};
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};
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@ -120,6 +129,35 @@ in
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type = types.string;
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type = types.string;
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};
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};
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};
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};
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alerta = {
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enable = mkEnableOption "kapacitor alerta integration";
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url = mkOption {
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description = "The URL to the Alerta REST API";
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default = "http://localhost:5000";
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example = "http://localhost:5000";
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type = types.string;
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};
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token = mkOption {
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description = "Default Alerta authentication token";
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type = types.str;
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default = "";
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};
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environment = mkOption {
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description = "Default Alerta environment";
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type = types.str;
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default = "Production";
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};
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origin = mkOption {
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description = "Default origin of alert";
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type = types.str;
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default = "kapacitor";
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};
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};
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};
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};
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config = mkIf cfg.enable {
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config = mkIf cfg.enable {
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