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