Zuckerberg
200d5a5d22
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58 lines
1.7 KiB
Nix
58 lines
1.7 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.ntfy-alerts;
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in
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{
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options.ntfy-alerts = {
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serverUrl = lib.mkOption {
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type = lib.types.str;
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default = "https://ntfy.neet.dev";
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description = "Base URL of the ntfy server.";
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};
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topic = lib.mkOption {
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type = lib.types.str;
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default = "service-failures";
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description = "ntfy topic to publish alerts to.";
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};
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};
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config = lib.mkIf (config.thisMachine.hasRole."server" || config.thisMachine.hasRole."personal") {
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age.secrets.ntfy-token.file = ../secrets/ntfy-token.age;
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systemd.services."ntfy-failure@" = {
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description = "Send ntfy alert for failed unit %i";
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wants = [ "network-online.target" ];
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after = [ "network-online.target" ];
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serviceConfig = {
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Type = "oneshot";
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EnvironmentFile = "/run/agenix/ntfy-token";
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ExecStart = "${pkgs.writeShellScript "ntfy-failure-notify" ''
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unit="$1"
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${lib.getExe pkgs.curl} \
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--fail --silent --show-error \
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--max-time 30 --retry 3 \
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-H "Authorization: Bearer $NTFY_TOKEN" \
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-H "Title: Service failure on ${config.networking.hostName}" \
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-H "Priority: high" \
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-H "Tags: rotating_light" \
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-d "Unit $unit failed at $(date +%c)" \
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"${cfg.serverUrl}/${cfg.topic}"
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''} %i";
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};
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};
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# Apply OnFailure to all services via a systemd drop-in
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systemd.packages = [
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(pkgs.runCommand "ntfy-on-failure-dropin" { } ''
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mkdir -p $out/lib/systemd/system/service.d
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cat > $out/lib/systemd/system/service.d/ntfy-on-failure.conf <<'EOF'
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[Unit]
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OnFailure=ntfy-failure@%p.service
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EOF
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'')
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];
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};
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}
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