{ config, lib, pkgs, ... }: let synapseCfg = config.services.matrix-synapse.settings; in { sops.secrets = { go-neb-overrides.sopsFile = ../../secrets.yaml; }; users.users.go-neb = { isSystemUser = true; group = "go-neb"; }; users.groups.go-neb = { }; services.go-neb = rec { enable = true; bindAddress = "127.0.0.1:8010"; baseUrl = "http://${bindAddress}"; config = { clients = [ { UserID = "@alertmanager:${synapseCfg.server_name}"; HomeserverURL = synapseCfg.public_baseurl; Sync = false; AutoJoinRooms = false; DisplayName = "Prometheus Alertmanager"; } ]; services = [ { ID = "alertmanager_service"; Type = "alertmanager"; UserID = "@alertmanager:${synapseCfg.server_name}"; Config = { webhook_url = "${baseUrl}/services/hooks/YWxlcnRtYW5hZ2VyX3NlcnZpY2U"; rooms = { "!ceigaGYfREXXSeLFiH:sbruder.de" = { text_template = "{{ range .Alerts }}{{ if eq .Status \"firing\" }}@room {{ end }}[{{ .Status }}] {{ index .Labels \"alertname\" }}: {{ index .Annotations \"description\" }}\n{{ end }}"; html_template = '' {{ range .Alerts }} {{- if eq .Status "firing" }}@room {{ end -}} {{ $severity := index .Labels "severity" }} {{ if eq .Status "firing" -}} [firing{{ if ne $severity "" }} - {{ $severity }}{{ end }}] {{- else -}} [resolved] {{- end }} {{ index .Labels "alertname" }}: {{ index .Annotations "description" }} source
{{ end }} ''; msg_type = "m.text"; }; }; }; } ]; }; }; # Load AccessToken and DeviceID from secret systemd.services.go-neb = { serviceConfig = { RuntimeDirectory = "go-neb"; RuntimeDirectoryMode = "0750"; DynamicUser = lib.mkForce false; ExecStartPre = let baseConfig = pkgs.writeText "config-base.json" (builtins.toJSON config.services.go-neb.config); in [ "!${pkgs.coreutils}/bin/install -g go-neb ${config.sops.secrets.go-neb-overrides.path} /run/go-neb/config-overrides.json" # needs to be run in a shell script for redirection to work (pkgs.writeShellScript "merge-go-neb-config" '' ${pkgs.jq}/bin/jq \ --slurp \ '. | map(map_values(. | with_entries(.key = (.value.ID // .value.SessionID // .value.UserID)))) | .[0] * .[1] | with_entries(.value = [.value[]])' \ ${baseConfig} \ /run/go-neb/config-overrides.json \ > /run/go-neb/config.json '') ]; }; environment.CONFIG_FILE = lib.mkForce "/run/go-neb/config.json"; }; }