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home lab init

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plasmagoat 2025-06-03 23:07:46 +02:00
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nixos/hosts/monitoring/dashboards/15356_rev14.json Normal file
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nixos/hosts/monitoring/dashboards/gitea.json Normal file
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nixos/hosts/monitoring/dashboards/grafana-traefik.json Normal file
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{
"__inputs": [],
"__requires": [
{
"type": "grafana",
"id": "grafana",
"name": "Grafana",
"version": "7.5.5"
},
{
"type": "panel",
"id": "graph",
"name": "Graph",
"version": ""
},
{
"type": "panel",
"id": "piechart",
"name": "Pie chart v2",
"version": ""
},
{
"type": "datasource",
"id": "prometheus",
"name": "Prometheus",
"version": "1.0.0"
},
{
"type": "panel",
"id": "singlestat",
"name": "Singlestat",
"version": ""
}
],
"annotations": {
"list": [
{
"builtIn": 1,
"datasource": "-- Grafana --",
"enable": true,
"hide": true,
"iconColor": "rgba(0, 211, 255, 1)",
"name": "Annotations & Alerts",
"type": "dashboard"
}
]
},
"description": "Traefik dashboard prometheus",
"editable": true,
"gnetId": 4475,
"graphTooltip": 0,
"id": null,
"iteration": 1620932097756,
"links": [],
"panels": [
{
"datasource": null,
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 0
},
"id": 10,
"title": "$backend stats",
"type": "row"
},
{
"cacheTimeout": null,
"datasource": "Prometheus",
"fieldConfig": {
"defaults": {
"color": {
"mode": "palette-classic"
},
"decimals": 0,
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
},
{
"color": "red",
"value": 80
}
]
},
"unit": "short"
},
"overrides": []
},
"gridPos": {
"h": 7,
"w": 12,
"x": 0,
"y": 1
},
"id": 2,
"interval": null,
"links": [],
"maxDataPoints": 3,
"options": {
"displayLabels": [],
"legend": {
"calcs": [],
"displayMode": "table",
"placement": "right",
"values": ["value", "percent"]
},
"pieType": "pie",
"reduceOptions": {
"calcs": ["lastNotNull"],
"fields": "",
"values": false
},
"text": {}
},
"targets": [
{
"exemplar": true,
"expr": "traefik_service_requests_total{service=\"$service\"}",
"format": "time_series",
"interval": "",
"intervalFactor": 2,
"legendFormat": "{{method}} : {{code}}",
"refId": "A"
}
],
"title": "$service return code",
"type": "piechart"
},
{
"cacheTimeout": null,
"colorBackground": false,
"colorValue": false,
"colors": ["#299c46", "rgba(237, 129, 40, 0.89)", "#d44a3a"],
"datasource": "Prometheus",
"fieldConfig": {
"defaults": {},
"overrides": []
},
"format": "ms",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"gridPos": {
"h": 7,
"w": 12,
"x": 12,
"y": 1
},
"id": 4,
"interval": null,
"links": [],
"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
"value": 2
}
],
"maxDataPoints": 100,
"nullPointMode": "connected",
"nullText": null,
"postfix": "",
"postfixFontSize": "50%",
"prefix": "",
"prefixFontSize": "50%",
"rangeMaps": [
{
"from": "null",
"text": "N/A",
"to": "null"
}
],
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": false,
"lineColor": "rgb(31, 120, 193)",
"show": true
},
"tableColumn": "",
"targets": [
{
"exemplar": true,
"expr": "sum(traefik_service_request_duration_seconds_sum{service=\"$service\"}) / sum(traefik_service_requests_total{service=\"$service\"}) * 1000",
"format": "time_series",
"interval": "",
"intervalFactor": 2,
"legendFormat": "",
"refId": "A"
}
],
"thresholds": "",
"title": "$service response time",
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
}
],
"valueName": "avg"
},
{
"aliasColors": {},
"bars": true,
"dashLength": 10,
"dashes": false,
"datasource": "Prometheus",
"fieldConfig": {
"defaults": {},
"overrides": []
},
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 7,
"w": 24,
"x": 0,
"y": 8
},
"hiddenSeries": false,
"id": 3,
"legend": {
"alignAsTable": true,
"avg": true,
"current": false,
"max": true,
"min": true,
"rightSide": true,
"show": true,
"total": false,
"values": true
},
"lines": false,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"percentage": false,
"pluginVersion": "7.5.5",
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"exemplar": true,
"expr": "sum(rate(traefik_service_requests_total{service=\"$service\"}[5m]))",
"format": "time_series",
"interval": "",
"intervalFactor": 2,
"legendFormat": "Total requests $service",
"refId": "A"
}
],
"thresholds": [],
"timeFrom": null,
"timeRegions": [],
"timeShift": null,
"title": "Total requests over 5min $service",
"tooltip": {
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
},
{
"collapsed": false,
"datasource": null,
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 15
},
"id": 12,
"panels": [],
"title": "Global stats",
"type": "row"
},
{
"aliasColors": {},
"bars": true,
"dashLength": 10,
"dashes": false,
"datasource": "Prometheus",
"fieldConfig": {
"defaults": {},
"overrides": []
},
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 7,
"w": 12,
"x": 0,
"y": 16
},
"hiddenSeries": false,
"id": 5,
"legend": {
"alignAsTable": true,
"avg": false,
"current": true,
"max": true,
"min": true,
"rightSide": true,
"show": true,
"total": false,
"values": true
},
"lines": false,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"percentage": false,
"pluginVersion": "7.5.5",
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": true,
"steppedLine": false,
"targets": [
{
"expr": "rate(traefik_entrypoint_requests_total{entrypoint=~\"$entrypoint\",code=\"200\"}[5m])",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{method}} : {{code}}",
"refId": "A"
}
],
"thresholds": [],
"timeFrom": null,
"timeRegions": [],
"timeShift": null,
"title": "Status code 200 over 5min",
"tooltip": {
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
},
{
"aliasColors": {},
"bars": true,
"dashLength": 10,
"dashes": false,
"datasource": "Prometheus",
"fieldConfig": {
"defaults": {},
"overrides": []
},
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 7,
"w": 12,
"x": 12,
"y": 16
},
"hiddenSeries": false,
"id": 6,
"legend": {
"alignAsTable": true,
"avg": false,
"current": true,
"max": true,
"min": true,
"rightSide": true,
"show": true,
"total": false,
"values": true
},
"lines": false,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"percentage": false,
"pluginVersion": "7.5.5",
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": true,
"steppedLine": false,
"targets": [
{
"expr": "rate(traefik_entrypoint_requests_total{entrypoint=~\"$entrypoint\",code!=\"200\"}[5m])",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{ method }} : {{code}}",
"refId": "A"
}
],
"thresholds": [],
"timeFrom": null,
"timeRegions": [],
"timeShift": null,
"title": "Others status code over 5min",
"tooltip": {
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
},
{
"cacheTimeout": null,
"datasource": "Prometheus",
"fieldConfig": {
"defaults": {
"color": {
"mode": "palette-classic"
},
"decimals": 0,
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
},
{
"color": "red",
"value": 80
}
]
},
"unit": "short"
},
"overrides": []
},
"gridPos": {
"h": 7,
"w": 12,
"x": 0,
"y": 23
},
"id": 7,
"interval": null,
"links": [],
"maxDataPoints": 3,
"options": {
"displayLabels": [],
"legend": {
"calcs": [],
"displayMode": "table",
"placement": "right",
"values": ["value"]
},
"pieType": "pie",
"reduceOptions": {
"calcs": ["sum"],
"fields": "",
"values": false
},
"text": {}
},
"targets": [
{
"exemplar": true,
"expr": "sum(rate(traefik_service_requests_total[5m])) by (service) ",
"format": "time_series",
"interval": "",
"intervalFactor": 2,
"legendFormat": "{{ service }}",
"refId": "A"
}
],
"title": "Requests by service",
"type": "piechart"
},
{
"cacheTimeout": null,
"datasource": "Prometheus",
"fieldConfig": {
"defaults": {
"color": {
"mode": "palette-classic"
},
"decimals": 0,
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
},
{
"color": "red",
"value": 80
}
]
},
"unit": "short"
},
"overrides": []
},
"gridPos": {
"h": 7,
"w": 12,
"x": 12,
"y": 23
},
"id": 8,
"interval": null,
"links": [],
"maxDataPoints": 3,
"options": {
"displayLabels": [],
"legend": {
"calcs": [],
"displayMode": "table",
"placement": "right",
"values": ["value"]
},
"pieType": "pie",
"reduceOptions": {
"calcs": ["sum"],
"fields": "",
"values": false
},
"text": {}
},
"targets": [
{
"exemplar": true,
"expr": "sum(rate(traefik_entrypoint_requests_total{entrypoint =~ \"$entrypoint\"}[5m])) by (entrypoint) ",
"format": "time_series",
"interval": "",
"intervalFactor": 2,
"legendFormat": "{{ entrypoint }}",
"refId": "A"
}
],
"title": "Requests by protocol",
"type": "piechart"
}
],
"schemaVersion": 27,
"style": "dark",
"tags": ["traefik", "prometheus"],
"templating": {
"list": [
{
"allValue": null,
"current": {},
"datasource": "Prometheus",
"definition": "label_values(service)",
"description": null,
"error": null,
"hide": 0,
"includeAll": false,
"label": null,
"multi": false,
"name": "service",
"options": [],
"query": {
"query": "label_values(service)",
"refId": "StandardVariableQuery"
},
"refresh": 1,
"regex": "",
"skipUrlSync": false,
"sort": 0,
"tagValuesQuery": "",
"tags": [],
"tagsQuery": "",
"type": "query",
"useTags": false
},
{
"allValue": null,
"current": {},
"datasource": "Prometheus",
"definition": "",
"description": null,
"error": null,
"hide": 0,
"includeAll": true,
"label": null,
"multi": true,
"name": "entrypoint",
"options": [],
"query": {
"query": "label_values(entrypoint)",
"refId": "Prometheus-entrypoint-Variable-Query"
},
"refresh": 1,
"regex": "",
"skipUrlSync": false,
"sort": 0,
"tagValuesQuery": "",
"tags": [],
"tagsQuery": "",
"type": "query",
"useTags": false
}
]
},
"time": {
"from": "now-1h",
"to": "now"
},
"timepicker": {
"refresh_intervals": [
"5s",
"10s",
"30s",
"1m",
"5m",
"15m",
"30m",
"1h",
"2h",
"1d"
],
"time_options": ["5m", "15m", "1h", "6h", "12h", "24h", "2d", "7d", "30d"]
},
"timezone": "",
"title": "Traefik",
"uid": "qPdAviJmz",
"version": 10
}

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nixos/hosts/monitoring/dashboards/postgres.json Normal file
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nixos/hosts/monitoring/dashboards/traefik-access.json Normal file
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{ config, pkgs, modulesPath, lib, ... }:
{
services.grafana.enable = true;
services.grafana.settings.server = {
http_port = 3000;
http_addr = "0.0.0.0";
# Grafana needs to know on which domain and URL it's running
# domain = "monitor.local";
# root_url = "https://monitor.local/grafana/"; # Not needed if it is `https://your.domain/`
# serve_from_sub_path = true;
};
networking.firewall.allowedTCPPorts = [ 3000 ];
services.grafana = {
# declarativePlugins = with pkgs.grafanaPlugins; [ ... ];
provision = {
enable = true;
datasources.settings.datasources = [
# "Built-in" datasources can be provisioned - c.f. https://grafana.com/docs/grafana/latest/administration/provisioning/#data-sources
{
name = "Prometheus";
type = "prometheus";
url = "http://127.0.0.1:${toString config.services.prometheus.port}";
}
{
name = "Loki";
type = "loki";
url = "http://127.0.0.1:${toString config.services.loki.configuration.server.http_listen_port}";
}
# Some plugins also can - c.f. https://grafana.com/docs/plugins/yesoreyeram-infinity-datasource/latest/setup/provisioning/
# {
# name = "Infinity";
# type = "yesoreyeram-infinity-datasource";
# }
# But not all - c.f. https://github.com/fr-ser/grafana-sqlite-datasource/issues/141
];
# Note: removing attributes from the above `datasources.settings.datasources` is not enough for them to be deleted on `grafana`;
# One needs to use the following option:
# datasources.settings.deleteDatasources = [ { name = "foo"; orgId = 1; } { name = "bar"; orgId = 1; } ];
dashboards.settings.providers = [{
name = "my dashboards";
options.path = "/etc/grafana-dashboards";
}];
};
};
environment.etc."grafana-dashboards/traefik.json" = {
source = ./dashboards/traefik.json;
user = "grafana";
group = "grafana";
mode = "0644";
};
environment.etc."grafana-dashboards/grafana-traefik.json" = {
source = ./dashboards/grafana-traefik.json;
user = "grafana";
group = "grafana";
mode = "0644";
};
environment.etc."grafana-dashboards/node-exporter.json" = {
source = ./dashboards/node-exporter.json;
user = "grafana";
group = "grafana";
mode = "0644";
};
environment.etc."grafana-dashboards/promtail.json" = {
source = ./dashboards/promtail.json;
user = "grafana";
group = "grafana";
mode = "0644";
};
environment.etc."grafana-dashboards/gitea.json" = {
source = ./dashboards/gitea.json;
user = "grafana";
group = "grafana";
mode = "0644";
};
environment.etc."grafana-dashboards/postgres.json" = {
source = ./dashboards/postgres.json;
user = "grafana";
group = "grafana";
mode = "0644";
};
}

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{ config, pkgs, modulesPath, lib, ... }:
{
imports = [
../../templates/base.nix
./networking.nix
./prometheus.nix
./grafana.nix
./loki.nix
];
}

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{
networking.firewall.allowedTCPPorts = [ 3100 ];
services.loki = {
enable = true;
configuration = {
server.http_listen_port = 3100;
auth_enabled = false;
analytics.reporting_enabled = false;
common = {
ring = {
instance_addr = "127.0.0.1";
kvstore.store = "inmemory";
};
replication_factor = 1;
path_prefix = "/tmp/loki";
};
schema_config = {
configs = [
{
from = "2020-05-15";
store = "tsdb";
object_store = "filesystem";
schema = "v13";
index = {
prefix = "index_";
period = "24h";
};
}
];
};
storage_config.filesystem.directory = "/var/lib/loki/chunk";
};
};
}

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nixos/hosts/monitoring/networking.nix Normal file
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{ config, lib, pkgs, ... }: {
networking = {
hostName = "monitor";
# interfaces.eth0 = {
# ipv4.addresses = [{
# address = "192.168.1.171";
# prefixLength = 24;
# }];
# };
# firewall.allowedTCPPorts = [ 80 3000 9090 ];
# defaultGateway = {
# address = "192.168.1.1";
# interface = "eth0";
# };
};
}

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{ config, pkgs, modulesPath, lib, ... }:
let
monitor_ip = "monitor.local";
traefik_ip = "traefik.local";
sandbox_ip = "sandbox.local";
forgejo_ip = "forgejo.local";
prometheus_exporter_port = 9100;
promtail_port = 9080;
traefik_monitor_port = 8082;
forgejo_monitor_port = 3000;
in {
networking.firewall.allowedTCPPorts = [ 9090 ];
services.prometheus = {
enable = true;
retentionTime = "7d";
globalConfig = {
scrape_timeout = "10s";
scrape_interval = "30s";
};
scrapeConfigs = [
{
job_name = "node";
static_configs = [
{
targets = [
"${monitor_ip}:${toString prometheus_exporter_port}"
"${traefik_ip}:${toString prometheus_exporter_port}"
"${sandbox_ip}:${toString prometheus_exporter_port}"
"${forgejo_ip}:${toString prometheus_exporter_port}"
];
}
];
}
{
job_name = "traefik";
static_configs = [
{ targets = [ "${traefik_ip}:${toString traefik_monitor_port}" ]; }
];
}
{
job_name = "gitea";
static_configs = [
{ targets = [ "${forgejo_ip}:${toString forgejo_monitor_port}" ]; }
];
}
{
job_name = "postgres";
static_configs = [
{ targets = [ "${forgejo_ip}:9187" ]; }
];
}
{
job_name = "promtail";
static_configs = [
{
targets = [
"${monitor_ip}:${toString promtail_port}"
"${traefik_ip}:${toString promtail_port}"
"${sandbox_ip}:${toString promtail_port}"
"${forgejo_ip}:${toString promtail_port}"
];
}
];
}
];
};
}