diff --git a/host/Spacebar-monitoring/configuration.nix b/host/Spacebar-monitoring/configuration.nix
index e5a464b..a50ad28 100755
--- a/host/Spacebar-monitoring/configuration.nix
+++ b/host/Spacebar-monitoring/configuration.nix
@@ -1,223 +1,277 @@
-{ config, pkgs, lib, ... }:
+{ config, pkgs, lib, secrets, ... }:
{
- imports =
- [
- ../../modules/base.nix
- ];
+ imports =
+ [
+ ../../modules/base.nix
+ ];
- networking = {
- hostName = "Spacebar-monitoring";
- interfaces.ens18.ipv4.addresses = [ {
- address = "192.168.1.99";
- prefixLength = 24;
- } ];
- interfaces.ens19.ipv4.addresses = [ {
- address = "10.10.11.99";
- prefixLength = 16;
- } ];
- };
+ networking = {
+ hostName = "Spacebar-monitoring";
+ interfaces.ens18.ipv4.addresses = [ {
+ address = "192.168.1.99";
+ prefixLength = 24;
+ } ];
+ interfaces.ens19.ipv4.addresses = [ {
+ address = "10.10.11.99";
+ prefixLength = 16;
+ } ];
+ };
- services = {
- prometheus = {
- enable = true;
- stateDir = "prometheus";
- extraFlags = [
- "-storage.local.retention 8760h"
- "-storage.local.series-file-shrink-ratio 0.3"
- "-storage.local.memory-chunks 2097152"
- "-storage.local.max-chunks-to-persist 1048576"
- "-storage.local.index-cache-size.fingerprint-to-metric 2097152"
- "-storage.local.index-cache-size.fingerprint-to-timerange 1048576"
- "-storage.local.index-cache-size.label-name-to-label-values 2097152"
- "-storage.local.index-cache-size.label-pair-to-fingerprints 41943040"
- ];
- # alertmanagerURL = [ "http://localhost:9093" ];
- # rules = [
- # ''
- # ALERT node_down
- # IF up == 0
- # FOR 5m
- # LABELS {
- # severity="page"
- # }
- # ANNOTATIONS {
- # summary = "{{$labels.alias}}: Node is down.",
- # description = "{{$labels.alias}} has been down for more than 5 minutes."
- # }
- # ALERT node_systemd_service_failed
- # IF node_systemd_unit_state{state="failed"} == 1
- # FOR 4m
- # LABELS {
- # severity="page"
- # }
- # ANNOTATIONS {
- # summary = "{{$labels.alias}}: Service {{$labels.name}} failed to start.",
- # description = "{{$labels.alias}} failed to (re)start service {{$labels.name}}."
- # }
- # ALERT node_filesystem_full_90percent
- # IF sort(node_filesystem_free{device!="ramfs"} < node_filesystem_size{device!="ramfs"} * 0.1) / 1024^3
- # FOR 5m
- # LABELS {
- # severity="page"
- # }
- # ANNOTATIONS {
- # summary = "{{$labels.alias}}: Filesystem is running out of space soon.",
- # description = "{{$labels.alias}} device {{$labels.device}} on {{$labels.mountpoint}} got less than 10% space left on its filesystem."
- # }
- # ALERT node_filesystem_full_in_4h
- # IF predict_linear(node_filesystem_free{device!="ramfs"}[1h], 4*3600) <= 0
- # FOR 5m
- # LABELS {
- # severity="page"
- # }
- # ANNOTATIONS {
- # summary = "{{$labels.alias}}: Filesystem is running out of space in 4 hours.",
- # description = "{{$labels.alias}} device {{$labels.device}} on {{$labels.mountpoint}} is running out of space of in approx. 4 hours"
- # }
- # ALERT node_filedescriptors_full_in_3h
- # IF predict_linear(node_filefd_allocated[1h], 3*3600) >= node_filefd_maximum
- # FOR 20m
- # LABELS {
- # severity="page"
- # }
- # ANNOTATIONS {
- # summary = "{{$labels.alias}} is running out of available file descriptors in 3 hours.",
- # description = "{{$labels.alias}} is running out of available file descriptors in approx. 3 hours"
- # }
- # ALERT node_load1_90percent
- # IF node_load1 / on(alias) count(node_cpu{mode="system"}) by (alias) >= 0.9
- # FOR 1h
- # LABELS {
- # severity="page"
- # }
- # ANNOTATIONS {
- # summary = "{{$labels.alias}}: Running on high load.",
- # description = "{{$labels.alias}} is running with > 90% total load for at least 1h."
- # }
- # ALERT node_cpu_util_90percent
- # IF 100 - (avg by (alias) (irate(node_cpu{mode="idle"}[5m])) * 100) >= 90
- # FOR 1h
- # LABELS {
- # severity="page"
- # }
- # ANNOTATIONS {
- # summary = "{{$labels.alias}}: High CPU utilization.",
- # description = "{{$labels.alias}} has total CPU utilization over 90% for at least 1h."
- # }
- # ALERT node_ram_using_90percent
- # IF node_memory_MemFree + node_memory_Buffers + node_memory_Cached < node_memory_MemTotal * 0.1
- # FOR 30m
- # LABELS {
- # severity="page"
- # }
- # ANNOTATIONS {
- # summary="{{$labels.alias}}: Using lots of RAM.",
- # description="{{$labels.alias}} is using at least 90% of its RAM for at least 30 minutes now.",
- # }
- # ALERT node_swap_using_80percent
- # IF node_memory_SwapTotal - (node_memory_SwapFree + node_memory_SwapCached) > node_memory_SwapTotal * 0.8
- # FOR 10m
- # LABELS {
- # severity="page"
- # }
- # ANNOTATIONS {
- # summary="{{$labels.alias}}: Running out of swap soon.",
- # description="{{$labels.alias}} is using 80% of its swap space for at least 10 minutes now."
- # }
- # ''
- # ];
- scrapeConfigs = [
- {
- job_name = "node";
- scrape_interval = "5s";
- static_configs = [
- {
- targets = [
- "localhost:9100"
- ];
- labels = {
- alias = "monitoring";
- };
- }
- {
- targets = [
- "192.168.1.2:9100"
- ];
- labels = {
- alias = "nginx";
- };
- }
- {
- targets = [
- "192.168.1.3:9100"
- ];
- labels = {
- alias = "email";
- };
- }
- {
- targets = [
- "192.168.1.4:9100"
- ];
- labels = {
- alias = "postgres";
- };
- }
- # {
- # targets = [
- # "192.168.1.5:9100"
- # ];
- # labels = {
- # alias = "synapse";
- # };
- # }
- ];
- }
- ];
- alertmanager = {
- enable = false;
- listenAddress = "0.0.0.0";
- configuration = {
- "global" = {
- "smtp_smarthost" = "smtp.example.com:587";
- "smtp_from" = "alertmanager@example.com";
- };
- "route" = {
- "group_by" = [ "alertname" "alias" ];
- "group_wait" = "30s";
- "group_interval" = "2m";
- "repeat_interval" = "4h";
- "receiver" = "team-admins";
- };
- "receivers" = [
- {
- "name" = "team-admins";
- "email_configs" = [
- {
- "to" = "devnull@example.com";
- "send_resolved" = true;
- }
- ];
- "webhook_configs" = [
- {
- "url" = "https://example.com/prometheus-alerts";
- "send_resolved" = true;
- }
- ];
- }
- ];
- };
- };
- };
- grafana = {
- enable = true;
- addr = "0.0.0.0";
- domain = "grafana.spacebar.chat";
- rootUrl = "https://grafana.spacebar.chat/";
- };
- };
+ services = {
+ prometheus = {
+ enable = true;
+ stateDir = "prometheus";
+ extraFlags = [
+ "-storage.local.retention 8760h"
+ "-storage.local.series-file-shrink-ratio 0.3"
+ "-storage.local.memory-chunks 2097152"
+ "-storage.local.max-chunks-to-persist 1048576"
+ "-storage.local.index-cache-size.fingerprint-to-metric 2097152"
+ "-storage.local.index-cache-size.fingerprint-to-timerange 1048576"
+ "-storage.local.index-cache-size.label-name-to-label-values 2097152"
+ "-storage.local.index-cache-size.label-pair-to-fingerprints 41943040"
+ ];
+ # alertmanagerURL = [ "http://localhost:9093" ];
+ # rules = [
+ # ''
+ # ALERT node_down
+ # IF up == 0
+ # FOR 5m
+ # LABELS {
+ # severity="page"
+ # }
+ # ANNOTATIONS {
+ # summary = "{{$labels.alias}}: Node is down.",
+ # description = "{{$labels.alias}} has been down for more than 5 minutes."
+ # }
+ # ALERT node_systemd_service_failed
+ # IF node_systemd_unit_state{state="failed"} == 1
+ # FOR 4m
+ # LABELS {
+ # severity="page"
+ # }
+ # ANNOTATIONS {
+ # summary = "{{$labels.alias}}: Service {{$labels.name}} failed to start.",
+ # description = "{{$labels.alias}} failed to (re)start service {{$labels.name}}."
+ # }
+ # ALERT node_filesystem_full_90percent
+ # IF sort(node_filesystem_free{device!="ramfs"} < node_filesystem_size{device!="ramfs"} * 0.1) / 1024^3
+ # FOR 5m
+ # LABELS {
+ # severity="page"
+ # }
+ # ANNOTATIONS {
+ # summary = "{{$labels.alias}}: Filesystem is running out of space soon.",
+ # description = "{{$labels.alias}} device {{$labels.device}} on {{$labels.mountpoint}} got less than 10% space left on its filesystem."
+ # }
+ # ALERT node_filesystem_full_in_4h
+ # IF predict_linear(node_filesystem_free{device!="ramfs"}[1h], 4*3600) <= 0
+ # FOR 5m
+ # LABELS {
+ # severity="page"
+ # }
+ # ANNOTATIONS {
+ # summary = "{{$labels.alias}}: Filesystem is running out of space in 4 hours.",
+ # description = "{{$labels.alias}} device {{$labels.device}} on {{$labels.mountpoint}} is running out of space of in approx. 4 hours"
+ # }
+ # ALERT node_filedescriptors_full_in_3h
+ # IF predict_linear(node_filefd_allocated[1h], 3*3600) >= node_filefd_maximum
+ # FOR 20m
+ # LABELS {
+ # severity="page"
+ # }
+ # ANNOTATIONS {
+ # summary = "{{$labels.alias}} is running out of available file descriptors in 3 hours.",
+ # description = "{{$labels.alias}} is running out of available file descriptors in approx. 3 hours"
+ # }
+ # ALERT node_load1_90percent
+ # IF node_load1 / on(alias) count(node_cpu{mode="system"}) by (alias) >= 0.9
+ # FOR 1h
+ # LABELS {
+ # severity="page"
+ # }
+ # ANNOTATIONS {
+ # summary = "{{$labels.alias}}: Running on high load.",
+ # description = "{{$labels.alias}} is running with > 90% total load for at least 1h."
+ # }
+ # ALERT node_cpu_util_90percent
+ # IF 100 - (avg by (alias) (irate(node_cpu{mode="idle"}[5m])) * 100) >= 90
+ # FOR 1h
+ # LABELS {
+ # severity="page"
+ # }
+ # ANNOTATIONS {
+ # summary = "{{$labels.alias}}: High CPU utilization.",
+ # description = "{{$labels.alias}} has total CPU utilization over 90% for at least 1h."
+ # }
+ # ALERT node_ram_using_90percent
+ # IF node_memory_MemFree + node_memory_Buffers + node_memory_Cached < node_memory_MemTotal * 0.1
+ # FOR 30m
+ # LABELS {
+ # severity="page"
+ # }
+ # ANNOTATIONS {
+ # summary="{{$labels.alias}}: Using lots of RAM.",
+ # description="{{$labels.alias}} is using at least 90% of its RAM for at least 30 minutes now.",
+ # }
+ # ALERT node_swap_using_80percent
+ # IF node_memory_SwapTotal - (node_memory_SwapFree + node_memory_SwapCached) > node_memory_SwapTotal * 0.8
+ # FOR 10m
+ # LABELS {
+ # severity="page"
+ # }
+ # ANNOTATIONS {
+ # summary="{{$labels.alias}}: Running out of swap soon.",
+ # description="{{$labels.alias}} is using 80% of its swap space for at least 10 minutes now."
+ # }
+ # ''
+ # ];
+ scrapeConfigs = [
+ {
+ job_name = "node";
+ scrape_interval = "5s";
+ static_configs = [
+ {
+ targets = [
+ "localhost:9100"
+ ];
+ labels = {
+ alias = "monitoring";
+ };
+ }
+ {
+ targets = [
+ "192.168.1.2:9100"
+ ];
+ labels = {
+ alias = "nginx";
+ };
+ }
+ {
+ targets = [
+ "192.168.1.3:9100"
+ ];
+ labels = {
+ alias = "email";
+ };
+ }
+ {
+ targets = [
+ "192.168.1.4:9100"
+ ];
+ labels = {
+ alias = "postgres";
+ };
+ }
+ # {
+ # targets = [
+ # "192.168.1.5:9100"
+ # ];
+ # labels = {
+ # alias = "synapse";
+ # };
+ # }
+ ];
+ }
+ ];
+ alertmanager = {
+ enable = false;
+ listenAddress = "0.0.0.0";
+ configuration = {
+ "global" = {
+ "smtp_smarthost" = "smtp.example.com:587";
+ "smtp_from" = "alertmanager@example.com";
+ };
+ "route" = {
+ "group_by" = [ "alertname" "alias" ];
+ "group_wait" = "30s";
+ "group_interval" = "2m";
+ "repeat_interval" = "4h";
+ "receiver" = "team-admins";
+ };
+ "receivers" = [
+ {
+ "name" = "team-admins";
+ "email_configs" = [
+ {
+ "to" = "devnull@example.com";
+ "send_resolved" = true;
+ }
+ ];
+ "webhook_configs" = [
+ {
+ "url" = "https://example.com/prometheus-alerts";
+ "send_resolved" = true;
+ }
+ ];
+ }
+ ];
+ };
+ };
+ };
+ grafana = {
+ enable = true;
+ addr = "0.0.0.0";
+ domain = "grafana.spacebar.chat";
+ settings = {
+ server = {
+ root_url = "https://grafana.spacebar.chat/";
+ enable_gzip = true;
+ domain = "grafana.spacebar.chat";
- system.stateVersion = "22.11"; # DO NOT EDIT!
+ };
+ analytics.reporting_enabled = false;
+ security.secret_key = secrets.grafana.secret_key;
+ };
+ provision = {
+ datasources.settings = {
+ datasources = {
+ "prometheus" = {
+ name = "Prometheus";
+ type = "prometheus";
+ url = "http://localhost:9090";
+ access = "proxy";
+ isDefault = true;
+ }
+ };
+ };
+ dashboards.settings = {
+ apiVersion = 1;
+ deleteVersions = true;
+ providers = {
+ "prometheus" = {
+ name = "Prometheus 2.0 Overview";
+ revision = "1";
+ folder = "prometheus";
+ uid = "prometheus2";
+ type = "file";
+ options = {
+ path = lib.downloadFile {
+ url = "https://grafana.com/api/dashboards/3662/revisions/2/download";
+ hash = "sha256:";
+ };
+ };
+ };
+ "node-exporter" = {
+ name = "Node Exporter Full";
+ revision = "31";
+ folder = "prometheus";
+ uid = "node-exporter-full";
+ type = "file";
+ options = {
+ path = lib.downloadFile {
+ url = "https://grafana.com/api/dashboards/1860/revisions/31/download";
+ hash = "sha256:";
+ };
+ };
+ };
+ };
+ };
+ };
+ };
+ };
+
+ system.stateVersion = "22.11"; # DO NOT EDIT!
}
|
