Declarative Grafana / Prometheus / Loki / Tempo observability stack
Deploys the whole stack into the observability namespace of the local cluster with Kustomize alone — no helm install, no dashboard created by hand in the UI. The Makefile carries every command: deploy, dashboards, diagnostics, PVC flush, teardown. Dashboards are files, never UI objects. Each carries a stable uid, which is what keeps URLs, cross-links and alerts alive across redeployments, and references datasources by stable uid rather than by name. The dashboard ConfigMap is generated without a name-suffix hash so applying it updates it in place and Grafana reloads without a restart, while the provisioning ConfigMaps keep their hash precisely so that a change there does force one. Prometheus scrapes the kubelet /metrics/resource endpoint rather than /metrics/cadvisor: on this cluster cadvisor exposes machine_* series only and no container_* at all, which would leave every CPU and memory panel empty. Alloy ships every pod's logs to Loki through the Kubernetes API, so no /var/log mount is needed. Tempo's metrics_generator feeds span metrics and the service graph back into Prometheus, and the datasources are wired so a log line's trace_id opens the matching trace. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Stéphane Tailland
@@ -0,0 +1,31 @@
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# Grafana dashboards -- declarative provisioning.
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#
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# Rules:
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# * one .json file per dashboard, named after its UID;
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# * every JSON carries a STABLE "uid" field (never regenerated): that is what
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# keeps URLs, cross-links and alerts alive across redeployments;
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# * `disableNameSuffixHash: true` -> the ConfigMap always keeps the same name,
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# so `kubectl apply` updates it in place and Grafana reloads WITHOUT
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# restarting the pod, in about 70s (see dashboard-providers.yaml).
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#
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# Adding a dashboard = drop the .json here and add it to `files:` below.
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apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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namespace: observability
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configMapGenerator:
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- name: grafana-dashboards
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files:
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# >>> dashboards (generated by `make dashboards-sync`) >>>
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- obs-classic-models-api.json
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- obs-keycloak.json
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- obs-librechat.json
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- obs-stack-health.json
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# <<< dashboards <<<
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generatorOptions:
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disableNameSuffixHash: true
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labels:
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app.kubernetes.io/name: grafana
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app.kubernetes.io/component: dashboards
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app.kubernetes.io/part-of: observability
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File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,437 @@
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{
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"uid": "obs-stack-health",
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"title": "Observability — Stack Health",
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"description": "Health of the Prometheus / Loki / Tempo / Alloy stack. Reference dashboard: stable UID, declaratively provisioned.",
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"tags": [
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"observability",
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"stack",
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"provisioned"
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],
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"editable": false,
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"schemaVersion": 39,
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"version": 1,
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"refresh": "30s",
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"time": {
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"from": "now-1h",
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"to": "now"
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},
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"timezone": "browser",
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"templating": {
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"list": [
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{
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"name": "namespace",
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"label": "Namespace",
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"type": "query",
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"datasource": {
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"type": "prometheus",
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"uid": "prometheus"
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},
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"query": "label_values(kube_pod_info, namespace)",
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"refresh": 2,
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"includeAll": true,
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"multi": true,
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"current": {
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"text": "observability",
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"value": "observability"
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}
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}
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]
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},
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"panels": [
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{
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"id": 1,
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"type": "row",
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"title": "Collection",
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"gridPos": {
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"h": 1,
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"w": 24,
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"x": 0,
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"y": 0
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},
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"collapsed": false,
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"panels": []
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},
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{
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"id": 2,
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"type": "stat",
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"title": "Prometheus targets UP",
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"datasource": {
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"type": "prometheus",
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"uid": "prometheus"
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},
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"gridPos": {
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"h": 5,
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"w": 6,
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"x": 0,
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"y": 1
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},
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"targets": [
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{
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"refId": "A",
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"datasource": {
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"type": "prometheus",
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"uid": "prometheus"
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},
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"expr": "sum(up)",
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"legendFormat": "up"
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}
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],
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"fieldConfig": {
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"defaults": {
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"unit": "short",
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"color": {
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"mode": "thresholds"
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},
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"thresholds": {
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"mode": "absolute",
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"steps": [
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{
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"color": "red",
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"value": null
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},
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{
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"color": "green",
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"value": 1
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}
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]
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}
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},
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"overrides": []
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},
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"options": {
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"reduceOptions": {
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"calcs": [
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"lastNotNull"
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],
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"fields": "",
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"values": false
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},
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"colorMode": "value",
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"graphMode": "area",
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"textMode": "auto"
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}
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},
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{
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"id": 3,
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"type": "stat",
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"title": "Prometheus targets DOWN",
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"datasource": {
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"type": "prometheus",
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"uid": "prometheus"
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},
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"gridPos": {
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"h": 5,
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"w": 6,
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"x": 6,
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"y": 1
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},
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"targets": [
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{
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"refId": "A",
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"datasource": {
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"type": "prometheus",
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"uid": "prometheus"
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},
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"expr": "sum(up == bool 0)",
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"legendFormat": "down"
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}
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],
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"fieldConfig": {
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"defaults": {
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"unit": "short",
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"color": {
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"mode": "thresholds"
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},
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"thresholds": {
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"mode": "absolute",
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"steps": [
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{
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"color": "green",
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"value": null
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},
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{
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"color": "red",
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"value": 1
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}
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]
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}
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},
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"overrides": []
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},
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"options": {
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"reduceOptions": {
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"calcs": [
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"lastNotNull"
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],
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"fields": "",
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"values": false
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},
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"colorMode": "value",
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"graphMode": "none",
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"textMode": "auto"
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}
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},
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{
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"id": 4,
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"type": "stat",
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"title": "Log lines ingested (/s)",
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"datasource": {
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"type": "prometheus",
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"uid": "prometheus"
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},
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"gridPos": {
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"h": 5,
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"w": 6,
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"x": 12,
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"y": 1
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},
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"targets": [
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{
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"refId": "A",
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"datasource": {
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"type": "prometheus",
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"uid": "prometheus"
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},
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"expr": "sum(rate(loki_distributor_lines_received_total[5m]))",
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"legendFormat": "lines/s"
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}
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],
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"fieldConfig": {
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"defaults": {
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"unit": "short",
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"decimals": 1,
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"color": {
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"mode": "fixed",
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"fixedColor": "blue"
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}
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},
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"overrides": []
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},
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"options": {
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"reduceOptions": {
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"calcs": [
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"lastNotNull"
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],
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"fields": "",
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||||
"values": false
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},
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"colorMode": "value",
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||||
"graphMode": "area",
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"textMode": "auto"
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}
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},
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{
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"id": 5,
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"type": "stat",
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"title": "Spans ingested (/s)",
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"datasource": {
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"type": "prometheus",
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"uid": "prometheus"
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},
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"gridPos": {
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"h": 5,
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"w": 6,
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"x": 18,
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"y": 1
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},
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"targets": [
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{
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"refId": "A",
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"datasource": {
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"type": "prometheus",
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"uid": "prometheus"
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},
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"expr": "sum(rate(tempo_distributor_spans_received_total[5m]))",
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"legendFormat": "spans/s"
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}
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],
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"fieldConfig": {
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"defaults": {
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"unit": "short",
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"decimals": 1,
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"color": {
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"mode": "fixed",
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"fixedColor": "purple"
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}
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},
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"overrides": []
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},
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"options": {
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"reduceOptions": {
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"calcs": [
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"lastNotNull"
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],
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"fields": "",
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"values": false
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},
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"colorMode": "value",
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"graphMode": "area",
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"textMode": "auto"
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}
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},
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{
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"id": 6,
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"type": "row",
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"title": "Stack resources",
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"gridPos": {
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"h": 1,
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"w": 24,
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"x": 0,
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"y": 6
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},
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"collapsed": false,
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"panels": []
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},
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{
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"id": 7,
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"type": "timeseries",
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"title": "CPU per component (observability namespace)",
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"datasource": {
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"type": "prometheus",
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"uid": "prometheus"
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},
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"gridPos": {
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"h": 8,
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"w": 12,
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"x": 0,
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"y": 7
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},
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"targets": [
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{
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"refId": "A",
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"datasource": {
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"type": "prometheus",
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"uid": "prometheus"
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},
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"expr": "sum by (pod) (rate(container_cpu_usage_seconds_total{namespace=\"observability\", container!=\"\"}[$__rate_interval]))",
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"legendFormat": "{{pod}}"
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}
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],
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"fieldConfig": {
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"defaults": {
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"unit": "short",
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"custom": {
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"drawStyle": "line",
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"lineWidth": 1,
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"fillOpacity": 10,
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"showPoints": "never"
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}
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},
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"overrides": []
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},
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"options": {
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"legend": {
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"displayMode": "table",
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"placement": "bottom",
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"calcs": [
|
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"mean",
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"max"
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]
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},
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"tooltip": {
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"mode": "multi",
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"sort": "desc"
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}
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}
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},
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{
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"id": 8,
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"type": "timeseries",
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"title": "Memory per component (observability namespace)",
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"datasource": {
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"type": "prometheus",
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"uid": "prometheus"
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},
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"gridPos": {
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"h": 8,
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"w": 12,
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"x": 12,
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"y": 7
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},
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"targets": [
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{
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"refId": "A",
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"datasource": {
|
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"type": "prometheus",
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"uid": "prometheus"
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},
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"expr": "sum by (pod) (container_memory_working_set_bytes{namespace=\"observability\", container!=\"\"})",
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"legendFormat": "{{pod}}"
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}
|
||||
],
|
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"fieldConfig": {
|
||||
"defaults": {
|
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"unit": "bytes",
|
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"custom": {
|
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"drawStyle": "line",
|
||||
"lineWidth": 1,
|
||||
"fillOpacity": 10,
|
||||
"showPoints": "never"
|
||||
}
|
||||
},
|
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"overrides": []
|
||||
},
|
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"options": {
|
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"legend": {
|
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"displayMode": "table",
|
||||
"placement": "bottom",
|
||||
"calcs": [
|
||||
"mean",
|
||||
"max"
|
||||
]
|
||||
},
|
||||
"tooltip": {
|
||||
"mode": "multi",
|
||||
"sort": "desc"
|
||||
}
|
||||
}
|
||||
},
|
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{
|
||||
"id": 9,
|
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"type": "row",
|
||||
"title": "Logs",
|
||||
"gridPos": {
|
||||
"h": 1,
|
||||
"w": 24,
|
||||
"x": 0,
|
||||
"y": 15
|
||||
},
|
||||
"collapsed": false,
|
||||
"panels": []
|
||||
},
|
||||
{
|
||||
"id": 10,
|
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"type": "logs",
|
||||
"title": "Recent stack errors",
|
||||
"datasource": {
|
||||
"type": "loki",
|
||||
"uid": "loki"
|
||||
},
|
||||
"gridPos": {
|
||||
"h": 10,
|
||||
"w": 24,
|
||||
"x": 0,
|
||||
"y": 16
|
||||
},
|
||||
"targets": [
|
||||
{
|
||||
"refId": "A",
|
||||
"datasource": {
|
||||
"type": "loki",
|
||||
"uid": "loki"
|
||||
},
|
||||
"expr": "{namespace=\"observability\"} |~ \"(?i)(error|level=error|fatal)\"",
|
||||
"queryType": "range"
|
||||
}
|
||||
],
|
||||
"options": {
|
||||
"showTime": true,
|
||||
"showLabels": false,
|
||||
"wrapLogMessage": true,
|
||||
"sortOrder": "Descending",
|
||||
"dedupStrategy": "none",
|
||||
"enableLogDetails": true
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
||||
@@ -0,0 +1,112 @@
|
||||
apiVersion: apps/v1
|
||||
kind: Deployment
|
||||
metadata:
|
||||
name: grafana
|
||||
namespace: observability
|
||||
labels:
|
||||
app.kubernetes.io/name: grafana
|
||||
app.kubernetes.io/component: ui
|
||||
app.kubernetes.io/part-of: observability
|
||||
spec:
|
||||
replicas: 1
|
||||
strategy:
|
||||
type: Recreate
|
||||
selector:
|
||||
matchLabels:
|
||||
app: grafana
|
||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
app: grafana
|
||||
app.kubernetes.io/name: grafana
|
||||
app.kubernetes.io/component: ui
|
||||
app.kubernetes.io/part-of: observability
|
||||
annotations:
|
||||
prometheus.io/scrape: "true"
|
||||
prometheus.io/port: "3000"
|
||||
prometheus.io/path: "/metrics"
|
||||
spec:
|
||||
securityContext:
|
||||
runAsUser: 472
|
||||
runAsGroup: 472
|
||||
fsGroup: 472
|
||||
containers:
|
||||
- name: grafana
|
||||
image: grafana/grafana:13.2.0
|
||||
ports:
|
||||
- name: http
|
||||
containerPort: 3000
|
||||
env:
|
||||
- name: GF_SECURITY_ADMIN_USER
|
||||
valueFrom:
|
||||
secretKeyRef:
|
||||
name: observability-secrets
|
||||
key: GF_SECURITY_ADMIN_USER
|
||||
- name: GF_SECURITY_ADMIN_PASSWORD
|
||||
valueFrom:
|
||||
secretKeyRef:
|
||||
name: observability-secrets
|
||||
key: GF_SECURITY_ADMIN_PASSWORD
|
||||
- name: GF_SERVER_ROOT_URL
|
||||
value: https://grafana.sttlab.local
|
||||
- name: GF_PATHS_PROVISIONING
|
||||
value: /etc/grafana/provisioning
|
||||
# Everything is driven by the provisioning files, so creating
|
||||
# dashboards or datasources from the UI is disabled.
|
||||
- name: GF_USERS_ALLOW_SIGN_UP
|
||||
value: "false"
|
||||
- name: GF_ANALYTICS_REPORTING_ENABLED
|
||||
value: "false"
|
||||
- name: GF_ANALYTICS_CHECK_FOR_UPDATES
|
||||
value: "false"
|
||||
- name: GF_ANALYTICS_CHECK_FOR_PLUGIN_UPDATES
|
||||
value: "false"
|
||||
- name: GF_NEWS_NEWS_FEED_ENABLED
|
||||
value: "false"
|
||||
- name: GF_LOG_LEVEL
|
||||
value: info
|
||||
- name: GF_FEATURE_TOGGLES_ENABLE
|
||||
value: traceqlEditor,traceQLStreaming,correlations,lokiLogsDataplane
|
||||
resources:
|
||||
requests:
|
||||
cpu: 100m
|
||||
memory: 256Mi
|
||||
limits:
|
||||
cpu: "1"
|
||||
memory: 1Gi
|
||||
readinessProbe:
|
||||
httpGet:
|
||||
path: /api/health
|
||||
port: http
|
||||
initialDelaySeconds: 15
|
||||
periodSeconds: 10
|
||||
livenessProbe:
|
||||
httpGet:
|
||||
path: /api/health
|
||||
port: http
|
||||
initialDelaySeconds: 60
|
||||
periodSeconds: 30
|
||||
volumeMounts:
|
||||
- name: data
|
||||
mountPath: /var/lib/grafana
|
||||
- name: provisioning-datasources
|
||||
mountPath: /etc/grafana/provisioning/datasources
|
||||
- name: provisioning-dashboards
|
||||
mountPath: /etc/grafana/provisioning/dashboards
|
||||
- name: dashboards
|
||||
mountPath: /var/lib/grafana/dashboards
|
||||
volumes:
|
||||
- name: data
|
||||
persistentVolumeClaim:
|
||||
claimName: grafana-data
|
||||
- name: provisioning-datasources
|
||||
configMap:
|
||||
name: grafana-datasources
|
||||
- name: provisioning-dashboards
|
||||
configMap:
|
||||
name: grafana-dashboard-providers
|
||||
- name: dashboards
|
||||
# Stable-named ConfigMap: updated in place by `make dashboards` and
|
||||
# re-read by Grafana without a restart (~70s: kubelet sync + 10s poll).
|
||||
configMap:
|
||||
name: grafana-dashboards
|
||||
@@ -0,0 +1,27 @@
|
||||
apiVersion: kustomize.config.k8s.io/v1beta1
|
||||
kind: Kustomization
|
||||
namespace: observability
|
||||
|
||||
resources:
|
||||
- pvc.yaml
|
||||
- deployment.yaml
|
||||
- service.yaml
|
||||
# Dashboards live in ./dashboards and are referenced by the root kustomization:
|
||||
# `k8s/grafana` is the runtime alone, `k8s/grafana/dashboards` the content alone.
|
||||
# Both are deployable independently.
|
||||
|
||||
configMapGenerator:
|
||||
# Name-suffix hash KEPT here: datasource and provider provisioning is only
|
||||
# read at startup, so the hash deliberately forces a pod restart whenever
|
||||
# these files change.
|
||||
- name: grafana-datasources
|
||||
files:
|
||||
- datasources.yaml=provisioning/datasources.yaml
|
||||
- name: grafana-dashboard-providers
|
||||
files:
|
||||
- dashboard-providers.yaml=provisioning/dashboard-providers.yaml
|
||||
|
||||
generatorOptions:
|
||||
labels:
|
||||
app.kubernetes.io/name: grafana
|
||||
app.kubernetes.io/part-of: observability
|
||||
@@ -0,0 +1,19 @@
|
||||
# File-based dashboard provider.
|
||||
# The JSON files are mounted from the `grafana-dashboards` ConfigMap (generated
|
||||
# without a name-suffix hash): `make dashboards` updates the ConfigMap in place
|
||||
# and Grafana reloads WITHOUT restarting the pod, in about 70s
|
||||
# (kubelet volume sync ~60s + updateIntervalSeconds below).
|
||||
apiVersion: 1
|
||||
|
||||
providers:
|
||||
- name: infra-observability
|
||||
orgId: 1
|
||||
folder: Infra Observability
|
||||
folderUid: infra-observability
|
||||
type: file
|
||||
disableDeletion: false
|
||||
allowUiUpdates: false
|
||||
updateIntervalSeconds: 10
|
||||
options:
|
||||
path: /var/lib/grafana/dashboards
|
||||
foldersFromFilesStructure: false
|
||||
@@ -0,0 +1,82 @@
|
||||
# Declarative datasource provisioning.
|
||||
# The `uid` values are STABLE and are what dashboard JSON files reference:
|
||||
# "datasource": { "type": "prometheus", "uid": "prometheus" }
|
||||
apiVersion: 1
|
||||
|
||||
deleteDatasources:
|
||||
- name: Prometheus
|
||||
orgId: 1
|
||||
- name: Loki
|
||||
orgId: 1
|
||||
- name: Tempo
|
||||
orgId: 1
|
||||
|
||||
datasources:
|
||||
- name: Prometheus
|
||||
uid: prometheus
|
||||
type: prometheus
|
||||
access: proxy
|
||||
orgId: 1
|
||||
url: http://prometheus:9090
|
||||
isDefault: true
|
||||
editable: false
|
||||
jsonData:
|
||||
httpMethod: POST
|
||||
timeInterval: 30s
|
||||
manageAlerts: false
|
||||
exemplarTraceIdDestinations:
|
||||
- name: trace_id
|
||||
datasourceUid: tempo
|
||||
|
||||
- name: Loki
|
||||
uid: loki
|
||||
type: loki
|
||||
access: proxy
|
||||
orgId: 1
|
||||
url: http://loki:3100
|
||||
editable: false
|
||||
jsonData:
|
||||
timeout: 60
|
||||
maxLines: 1000
|
||||
# Logs -> traces: a trace_id in the log line opens Tempo.
|
||||
derivedFields:
|
||||
- name: TraceID
|
||||
matcherType: regex
|
||||
matcherRegex: '"?trace[_-]?id"?[:=]"?([a-f0-9]{16,32})'
|
||||
url: '$${__value.raw}'
|
||||
datasourceUid: tempo
|
||||
urlDisplayLabel: View trace
|
||||
|
||||
- name: Tempo
|
||||
uid: tempo
|
||||
type: tempo
|
||||
access: proxy
|
||||
orgId: 1
|
||||
url: http://tempo:3200
|
||||
editable: false
|
||||
jsonData:
|
||||
httpMethod: GET
|
||||
streamingEnabled:
|
||||
search: true
|
||||
metrics: true
|
||||
# Service graph fed by the metrics_generator -> Prometheus.
|
||||
serviceMap:
|
||||
datasourceUid: prometheus
|
||||
nodeGraph:
|
||||
enabled: true
|
||||
tracesToLogsV2:
|
||||
datasourceUid: loki
|
||||
spanStartTimeShift: -5m
|
||||
spanEndTimeShift: 5m
|
||||
filterByTraceID: true
|
||||
filterBySpanID: false
|
||||
tags:
|
||||
- key: service.name
|
||||
value: app
|
||||
tracesToMetrics:
|
||||
datasourceUid: prometheus
|
||||
spanStartTimeShift: -5m
|
||||
spanEndTimeShift: 5m
|
||||
tags:
|
||||
- key: service.name
|
||||
value: service
|
||||
@@ -0,0 +1,15 @@
|
||||
apiVersion: v1
|
||||
kind: PersistentVolumeClaim
|
||||
metadata:
|
||||
name: grafana-data
|
||||
namespace: observability
|
||||
labels:
|
||||
app.kubernetes.io/name: grafana
|
||||
app.kubernetes.io/component: storage
|
||||
app.kubernetes.io/part-of: observability
|
||||
spec:
|
||||
accessModes:
|
||||
- ReadWriteOnce
|
||||
resources:
|
||||
requests:
|
||||
storage: 5Gi
|
||||
@@ -0,0 +1,17 @@
|
||||
apiVersion: v1
|
||||
kind: Service
|
||||
metadata:
|
||||
name: grafana
|
||||
namespace: observability
|
||||
labels:
|
||||
app.kubernetes.io/name: grafana
|
||||
app.kubernetes.io/component: ui
|
||||
app.kubernetes.io/part-of: observability
|
||||
spec:
|
||||
type: ClusterIP
|
||||
selector:
|
||||
app: grafana
|
||||
ports:
|
||||
- name: http
|
||||
port: 3000
|
||||
targetPort: http
|
||||
Reference in New Issue
Block a user