l: remove prometheus monitoring
This commit is contained in:
lassulus
parent
7bcf1f327a
commit
33283cb99c
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@ -139,7 +139,6 @@ with import <stockholm/lib>;
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<stockholm/lass/2configs/reaktor-coders.nix>
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<stockholm/lass/2configs/ciko.nix>
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<stockholm/lass/2configs/container-networking.nix>
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<stockholm/lass/2configs/monitoring/prometheus-server.nix>
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{ # quasi bepasty.nix
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imports = [
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<stockholm/lass/2configs/bepasty.nix>
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@ -8,7 +8,6 @@ with import <stockholm/lib>;
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./gc.nix
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./mc.nix
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./vim.nix
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./monitoring/node-exporter.nix
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./zsh.nix
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./htop.nix
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./security-workarounds.nix
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@ -1,15 +0,0 @@
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{ config, lib, pkgs, ... }:
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{
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krebs.iptables.tables.filter.INPUT.rules = [
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{ predicate = "-i retiolum -p tcp --dport 9100 -s ${config.krebs.hosts.prism.nets.retiolum.ip4.addr}"; target = "ACCEPT"; v6 = false; }
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{ predicate = "-i retiolum -p tcp --dport 9100 -s ${config.krebs.hosts.prism.nets.retiolum.ip6.addr}"; target = "ACCEPT"; v4 = false; }
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];
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services.prometheus.exporters = {
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node = {
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enable = true;
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enabledCollectors = [
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"systemd"
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];
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};
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};
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}
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@ -1,217 +0,0 @@
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{ pkgs, lib, config, ... }:
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{
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#networking = {
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# firewall.allowedTCPPorts = [
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# 3000 # grafana
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# 9090 # prometheus
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# 9093 # alertmanager
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# ];
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# useDHCP = true;
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#};
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krebs.iptables.tables.filter.INPUT.rules = [
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{ predicate = "-i retiolum -p tcp --dport 3000"; target = "ACCEPT"; }
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{ predicate = "-i retiolum -p tcp --dport 9090"; target = "ACCEPT"; }
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{ predicate = "-i retiolum -p tcp --dport 9093"; target = "ACCEPT"; }
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];
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services = {
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prometheus = {
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enable = true;
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extraFlags = [
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"-storage.local.retention 8760h"
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"-storage.local.series-file-shrink-ratio 0.3"
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"-storage.local.memory-chunks 2097152"
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"-storage.local.max-chunks-to-persist 1048576"
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"-storage.local.index-cache-size.fingerprint-to-metric 2097152"
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"-storage.local.index-cache-size.fingerprint-to-timerange 1048576"
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"-storage.local.index-cache-size.label-name-to-label-values 2097152"
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"-storage.local.index-cache-size.label-pair-to-fingerprints 41943040"
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];
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alertmanagerURL = [ "http://localhost:9093" ];
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rules = [
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''
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ALERT node_down
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IF up == 0
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FOR 5m
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LABELS {
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severity="page"
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}
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ANNOTATIONS {
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summary = "{{$labels.alias}}: Node is down.",
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description = "{{$labels.alias}} has been down for more than 5 minutes."
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}
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ALERT node_systemd_service_failed
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IF node_systemd_unit_state{state="failed"} == 1
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FOR 4m
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LABELS {
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severity="page"
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}
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ANNOTATIONS {
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summary = "{{$labels.alias}}: Service {{$labels.name}} failed to start.",
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description = "{{$labels.alias}} failed to (re)start service {{$labels.name}}."
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}
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ALERT node_filesystem_full_90percent
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IF sort(node_filesystem_free{device!="ramfs"} < node_filesystem_size{device!="ramfs"} * 0.1) / 1024^3
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FOR 5m
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LABELS {
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severity="page"
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}
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ANNOTATIONS {
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summary = "{{$labels.alias}}: Filesystem is running out of space soon.",
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description = "{{$labels.alias}} device {{$labels.device}} on {{$labels.mountpoint}} got less than 10% space left on its filesystem."
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}
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ALERT node_filesystem_full_in_4h
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IF predict_linear(node_filesystem_free{device!="ramfs"}[1h], 4*3600) <= 0
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FOR 5m
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LABELS {
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severity="page"
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}
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ANNOTATIONS {
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summary = "{{$labels.alias}}: Filesystem is running out of space in 4 hours.",
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description = "{{$labels.alias}} device {{$labels.device}} on {{$labels.mountpoint}} is running out of space of in approx. 4 hours"
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}
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ALERT node_filedescriptors_full_in_3h
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IF predict_linear(node_filefd_allocated[1h], 3*3600) >= node_filefd_maximum
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FOR 20m
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LABELS {
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severity="page"
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}
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ANNOTATIONS {
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summary = "{{$labels.alias}} is running out of available file descriptors in 3 hours.",
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description = "{{$labels.alias}} is running out of available file descriptors in approx. 3 hours"
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}
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ALERT node_load1_90percent
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IF node_load1 / on(alias) count(node_cpu{mode="system"}) by (alias) >= 0.9
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FOR 1h
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LABELS {
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severity="page"
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}
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ANNOTATIONS {
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summary = "{{$labels.alias}}: Running on high load.",
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description = "{{$labels.alias}} is running with > 90% total load for at least 1h."
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}
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ALERT node_cpu_util_90percent
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IF 100 - (avg by (alias) (irate(node_cpu{mode="idle"}[5m])) * 100) >= 90
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FOR 1h
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LABELS {
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severity="page"
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}
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ANNOTATIONS {
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summary = "{{$labels.alias}}: High CPU utilization.",
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description = "{{$labels.alias}} has total CPU utilization over 90% for at least 1h."
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}
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ALERT node_ram_using_90percent
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IF node_memory_MemFree + node_memory_Buffers + node_memory_Cached < node_memory_MemTotal * 0.1
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FOR 30m
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LABELS {
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severity="page"
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}
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ANNOTATIONS {
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summary="{{$labels.alias}}: Using lots of RAM.",
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description="{{$labels.alias}} is using at least 90% of its RAM for at least 30 minutes now.",
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}
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ALERT node_swap_using_80percent
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IF node_memory_SwapTotal - (node_memory_SwapFree + node_memory_SwapCached) > node_memory_SwapTotal * 0.8
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FOR 10m
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LABELS {
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severity="page"
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}
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ANNOTATIONS {
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summary="{{$labels.alias}}: Running out of swap soon.",
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description="{{$labels.alias}} is using 80% of its swap space for at least 10 minutes now."
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}
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''
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];
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scrapeConfigs = [
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{
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job_name = "node";
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scrape_interval = "10s";
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static_configs = [
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{
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targets = [
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] ++ map (host: "${host}:9100") (lib.attrNames (lib.filterAttrs (_: host: host.owner.name == "lass" && host.monitoring) config.krebs.hosts));
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#labels = {
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# alias = "prometheus.example.com";
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#};
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}
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];
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}
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];
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alertmanager = {
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enable = true;
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listenAddress = "0.0.0.0";
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configuration = {
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"global" = {
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"smtp_smarthost" = "smtp.example.com:587";
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"smtp_from" = "alertmanager@example.com";
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};
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"route" = {
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"group_by" = [ "alertname" "alias" ];
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"group_wait" = "30s";
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"group_interval" = "2m";
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"repeat_interval" = "4h";
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"receiver" = "team-admins";
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};
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"receivers" = [
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{
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"name" = "team-admins";
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"email_configs" = [
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{
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"to" = "devnull@example.com";
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}
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];
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"webhook_configs" = [
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{
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"url" = "http://127.0.0.1:14813/prometheus-alerts";
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"send_resolved" = true;
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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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grafana = {
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enable = true;
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addr = "0.0.0.0";
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domain = "grafana.example.com";
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rootUrl = "https://grafana.example.com/";
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auth.anonymous.enable = true;
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auth.anonymous.org_role = "Admin";
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};
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};
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services.logstash = {
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enable = true;
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inputConfig = ''
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http {
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port => 14813
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host => "127.0.0.1"
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}
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'';
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filterConfig = ''
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if ([alerts]) {
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ruby {
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code => '
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lines = []
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event["alerts"].each {|p|
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lines << "#{p["labels"]["instance"]}#{p["annotations"]["summary"]} #{p["status"]}"
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}
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event["output"] = lines.join("\n")
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'
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}
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}
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'';
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outputConfig = ''
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file { path => "/tmp/logs.json" codec => "json_lines" }
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irc {
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channels => [ "#noise" ]
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host => "irc.r"
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nick => "alarm"
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codec => "json_lines"
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format => "%{output}"
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}
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'';
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#plugins = [ ];
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};
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}
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