nixos/grafana-to-nfy: init

Changed files
+124
nixos
modules
services
monitoring
+1
nixos/modules/module-list.nix
···
./services/monitoring/grafana-agent.nix
./services/monitoring/grafana-image-renderer.nix
./services/monitoring/grafana-reporter.nix
./services/monitoring/grafana.nix
./services/monitoring/graphite.nix
./services/monitoring/hdaps.nix
···
./services/monitoring/grafana-agent.nix
./services/monitoring/grafana-image-renderer.nix
./services/monitoring/grafana-reporter.nix
+
./services/monitoring/grafana-to-ntfy.nix
./services/monitoring/grafana.nix
./services/monitoring/graphite.nix
./services/monitoring/hdaps.nix
+123
nixos/modules/services/monitoring/grafana-to-ntfy.nix
···
···
+
{
+
config,
+
lib,
+
pkgs,
+
...
+
}:
+
+
let
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cfg = config.services.grafana-to-ntfy;
+
in
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{
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options = {
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services.grafana-to-ntfy = {
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enable = lib.mkEnableOption "Grafana-to-ntfy (ntfy.sh) alerts channel";
+
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package = lib.mkPackageOption pkgs "grafana-to-ntfy" { };
+
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settings = {
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ntfyUrl = lib.mkOption {
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type = lib.types.str;
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description = "The URL to the ntfy-sh topic.";
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example = "https://push.example.com/grafana";
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};
+
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ntfyBAuthUser = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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description = ''
+
The ntfy-sh user to use for authenticating with the ntfy-sh instance.
+
Setting this option is required when using a ntfy-sh instance with access control enabled.
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'';
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default = null;
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example = "grafana";
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};
+
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ntfyBAuthPass = lib.mkOption {
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type = lib.types.path;
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description = ''
+
The path to the password for the specified ntfy-sh user.
+
Setting this option is required when using a ntfy-sh instance with access control enabled.
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'';
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default = null;
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};
+
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bauthUser = lib.mkOption {
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type = lib.types.str;
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description = ''
+
The user that you will authenticate with in the Grafana webhook settings.
+
You can set this to whatever you like, as this is not the same as the ntfy-sh user.
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'';
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default = "admin";
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};
+
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bauthPass = lib.mkOption {
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type = lib.types.path;
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description = "The path to the password you will use in the Grafana webhook settings.";
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};
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};
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};
+
};
+
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config = lib.mkIf cfg.enable {
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systemd.services.grafana-to-ntfy = {
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wantedBy = [ "multi-user.target" ];
+
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script = ''
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export BAUTH_PASS=$(${lib.getExe' config.systemd.package "systemd-creds"} cat BAUTH_PASS_FILE)
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${lib.optionalString (cfg.settings.ntfyBAuthPass != null) ''
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export NTFY_BAUTH_PASS=$(${lib.getExe' config.systemd.package "systemd-creds"} cat NTFY_BAUTH_PASS_FILE)
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''}
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exec ${lib.getExe cfg.package}
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'';
+
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environment =
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{
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NTFY_URL = cfg.settings.ntfyUrl;
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BAUTH_USER = cfg.settings.bauthUser;
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}
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// lib.optionalAttrs (cfg.settings.ntfyBAuthUser != null) {
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NTFY_BAUTH_USER = cfg.settings.ntfyBAuthUser;
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};
+
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serviceConfig = {
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LoadCredential =
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[
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"BAUTH_PASS_FILE:${cfg.settings.bauthPass}"
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]
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++ lib.optional (
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cfg.settings.ntfyBAuthPass != null
+
) "NTFY_BAUTH_PASS_FILE:${cfg.settings.ntfyBAuthPass}";
+
+
DynamicUser = true;
+
CapabilityBoundingSet = [ "" ];
+
DeviceAllow = "";
+
LockPersonality = true;
+
PrivateDevices = true;
+
PrivateUsers = true;
+
ProcSubset = "pid";
+
ProtectClock = true;
+
ProtectControlGroups = true;
+
ProtectHome = true;
+
ProtectHostname = true;
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ProtectKernelLogs = true;
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ProtectKernelModules = true;
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ProtectKernelTunables = true;
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ProtectProc = "invisible";
+
RestrictAddressFamilies = [
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"AF_INET"
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"AF_INET6"
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"AF_UNIX"
+
];
+
RestrictNamespaces = true;
+
RestrictRealtime = true;
+
MemoryDenyWriteExecute = true;
+
SystemCallArchitectures = "native";
+
SystemCallFilter = [
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"@system-service"
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"~@privileged"
+
];
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UMask = "0077";
+
};
+
};
+
};
+
}