OneLab Kubernetes GitOps (Argo CD)

- Helm charts: onelab app + observability (Loki/Promtail/Grafana) - Values under gitops/values/ with public-safe placeholders - Argo CD Application (spec.sources, 2.6+) Made-with: Cursor
2026-03-20 12:27:45 +01:00
commit 68f9745c06
44 changed files with 2466 additions and 0 deletions
--- a/gitops/observability/Chart.lock
+++ b/gitops/observability/Chart.lock
@@ -0,0 +1,12 @@
+dependencies:
+- name: loki
+  repository: https://grafana.github.io/helm-charts
+  version: 6.55.0
+- name: promtail
+  repository: https://grafana.github.io/helm-charts
+  version: 6.17.1
+- name: grafana
+  repository: https://grafana.github.io/helm-charts
+  version: 10.5.15
+digest: sha256:5b34192a8db9d940587777fbc62a13503c21217da814308654ce73fca2ed5d56
+generated: "2026-03-20T11:06:47.9376325+01:00"
--- a/gitops/observability/Chart.yaml
+++ b/gitops/observability/Chart.yaml
@@ -0,0 +1,16 @@
+apiVersion: v2
+name: onelab-observability
+description: Loki + Promtail + Grafana for OneLab (same Argo Application as app chart via multi-source).
+type: application
+version: 0.1.0
+appVersion: "1.0"
+dependencies:
+  - name: loki
+    version: 6.55.0
+    repository: https://grafana.github.io/helm-charts
+  - name: promtail
+    version: 6.17.1
+    repository: https://grafana.github.io/helm-charts
+  - name: grafana
+    version: 10.5.15
+    repository: https://grafana.github.io/helm-charts
--- a/gitops/observability/charts/grafana-10.5.15.tgz
+++ b/gitops/observability/charts/grafana-10.5.15.tgz
--- a/gitops/observability/charts/loki-6.55.0.tgz
+++ b/gitops/observability/charts/loki-6.55.0.tgz
--- a/gitops/observability/charts/promtail-6.17.1.tgz
+++ b/gitops/observability/charts/promtail-6.17.1.tgz
--- a/gitops/observability/dashboards/onelab-logs.json
+++ b/gitops/observability/dashboards/onelab-logs.json
@@ -0,0 +1,205 @@
+{
+  "annotations": {
+    "list": [
+      {
+        "builtIn": 1,
+        "datasource": {"type": "grafana", "uid": "-- Grafana --"},
+        "enable": true,
+        "hide": true,
+        "iconColor": "rgba(0, 211, 255, 1)",
+        "name": "Annotations & Alerts",
+        "type": "dashboard"
+      }
+    ]
+  },
+  "editable": true,
+  "fiscalYearStartMonth": 0,
+  "graphTooltip": 0,
+  "id": null,
+  "links": [],
+  "liveNow": false,
+  "panels": [
+    {
+      "datasource": {"type": "loki", "uid": "loki"},
+      "fieldConfig": {
+        "defaults": {
+          "color": {"mode": "thresholds"},
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [{"color": "blue", "value": null}]
+          },
+          "unit": "short"
+        },
+        "overrides": []
+      },
+      "gridPos": {"h": 5, "w": 8, "x": 0, "y": 0},
+      "id": 1,
+      "options": {
+        "colorMode": "value",
+        "graphMode": "none",
+        "justifyMode": "auto",
+        "orientation": "auto",
+        "reduceOptions": {"calcs": ["lastNotNull"], "fields": "", "values": false},
+        "textMode": "auto"
+      },
+      "targets": [
+        {
+          "datasource": {"type": "loki", "uid": "loki"},
+          "editorMode": "code",
+          "expr": "sum(count_over_time({namespace=\"onelab\", component=~\"$component\"} |~ \"$filter\" [$__range]))",
+          "queryType": "instant",
+          "refId": "A"
+        }
+      ],
+      "title": "Total lines (namespace onelab, matches line filter)",
+      "type": "stat"
+    },
+    {
+      "datasource": {"type": "loki", "uid": "loki"},
+      "fieldConfig": {
+        "defaults": {
+          "color": {"mode": "thresholds"},
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {"color": "green", "value": null},
+              {"color": "orange", "value": 1}
+            ]
+          },
+          "unit": "short"
+        },
+        "overrides": []
+      },
+      "gridPos": {"h": 5, "w": 8, "x": 8, "y": 0},
+      "id": 2,
+      "options": {
+        "colorMode": "value",
+        "graphMode": "none",
+        "justifyMode": "auto",
+        "orientation": "auto",
+        "reduceOptions": {"calcs": ["lastNotNull"], "fields": "", "values": false},
+        "textMode": "auto"
+      },
+      "targets": [
+        {
+          "datasource": {"type": "loki", "uid": "loki"},
+          "editorMode": "code",
+          "expr": "sum(count_over_time({namespace=\"onelab\", component=~\"$component\"} |~ \"$filter\" |~ \"(?i)(\\\\[ERROR\\\\]|\\\\berror\\\\b|\\\\sERROR\\\\s)\" [$__range]))",
+          "queryType": "instant",
+          "refId": "A"
+        }
+      ],
+      "title": "~ Error-like lines (heuristic)",
+      "type": "stat"
+    },
+    {
+      "datasource": {"type": "loki", "uid": "loki"},
+      "fieldConfig": {
+        "defaults": {
+          "color": {"mode": "thresholds"},
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {"color": "green", "value": null},
+              {"color": "yellow", "value": 1}
+            ]
+          },
+          "unit": "short"
+        },
+        "overrides": []
+      },
+      "gridPos": {"h": 5, "w": 8, "x": 16, "y": 0},
+      "id": 3,
+      "options": {
+        "colorMode": "value",
+        "graphMode": "none",
+        "justifyMode": "auto",
+        "orientation": "auto",
+        "reduceOptions": {"calcs": ["lastNotNull"], "fields": "", "values": false},
+        "textMode": "auto"
+      },
+      "targets": [
+        {
+          "datasource": {"type": "loki", "uid": "loki"},
+          "editorMode": "code",
+          "expr": "sum(count_over_time({namespace=\"onelab\", component=~\"$component\"} |~ \"$filter\" |~ \"(?i)(\\\\[WARN\\\\]|\\\\bwarn(ing)?\\\\b|\\\\sWARN\\\\s)\" [$__range]))",
+          "queryType": "instant",
+          "refId": "A"
+        }
+      ],
+      "title": "~ Warning-like lines (heuristic)",
+      "type": "stat"
+    },
+    {
+      "datasource": {"type": "loki", "uid": "loki"},
+      "gridPos": {"h": 16, "w": 24, "x": 0, "y": 5},
+      "id": 4,
+      "options": {
+        "dedupStrategy": "none",
+        "enableLogDetails": true,
+        "prettifyLogMessage": false,
+        "showCommonLabels": false,
+        "showLabels": true,
+        "showTime": true,
+        "sortOrder": "Descending",
+        "wrapLogMessage": true
+      },
+      "targets": [
+        {
+          "datasource": {"type": "loki", "uid": "loki"},
+          "editorMode": "code",
+          "expr": "{namespace=\"onelab\", component=~\"$component\"} |~ \"$filter\"",
+          "queryType": "range",
+          "refId": "A"
+        }
+      ],
+      "title": "OneLab logs — use Component + Line filter (regex)",
+      "type": "logs"
+    }
+  ],
+  "refresh": "30s",
+  "schemaVersion": 39,
+  "tags": ["onelab", "loki"],
+  "templating": {
+    "list": [
+      {
+        "allValue": ".*",
+        "current": {"selected": true, "text": "All", "value": "$__all"},
+        "datasource": {"type": "loki", "uid": "loki"},
+        "definition": "label_values({namespace=\"onelab\"}, component)",
+        "hide": 0,
+        "includeAll": true,
+        "label": "Component",
+        "multi": true,
+        "name": "component",
+        "options": [],
+        "query": "label_values({namespace=\"onelab\"}, component)",
+        "refresh": 2,
+        "regex": "",
+        "sort": 1,
+        "type": "query"
+      },
+      {
+        "current": {"selected": true, "text": ".*", "value": ".*"},
+        "hide": 0,
+        "label": "Line filter (regex)",
+        "name": "filter",
+        "options": [
+          {"selected": true, "text": ".*", "value": ".*"}
+        ],
+        "query": ".*",
+        "type": "textbox"
+      }
+    ]
+  },
+  "time": {"from": "now-1h", "to": "now"},
+  "timepicker": {},
+  "timezone": "browser",
+  "title": "OneLab logs",
+  "uid": "onelab-logs",
+  "version": 1,
+  "weekStart": ""
+}
--- a/gitops/observability/templates/configmap-dashboard-onelab-logs.yaml
+++ b/gitops/observability/templates/configmap-dashboard-onelab-logs.yaml
@@ -0,0 +1,14 @@
+{{- if .Values.grafana.sidecar.dashboards.enabled }}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ printf "%s-dashboard-onelab-logs" .Release.Name | trunc 63 | trimSuffix "-" }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    grafana_dashboard: "1"
+  annotations:
+    argocd.argoproj.io/sync-wave: "0"
+data:
+  onelab-logs.json: |-
+{{ .Files.Get "dashboards/onelab-logs.json" | nindent 4 }}
+{{- end }}
--- a/gitops/observability/templates/ingress-grafana-onelab.yaml
+++ b/gitops/observability/templates/ingress-grafana-onelab.yaml
@@ -0,0 +1,36 @@
+{{- if .Values.grafanaOnelabIngress.enabled }}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: grafana-onelab
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.kubernetes.io/name: grafana-onelab
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/component: observability
+  annotations:
+    argocd.argoproj.io/sync-wave: "0"
+    cert-manager.io/cluster-issuer: {{ .Values.grafanaOnelabIngress.clusterIssuer | quote }}
+    {{- with .Values.grafanaOnelabIngress.annotations }}
+    {{- toYaml . | nindent 4 }}
+    {{- end }}
+spec:
+  ingressClassName: {{ .Values.grafanaOnelabIngress.className | quote }}
+  {{- if .Values.grafanaOnelabIngress.tls }}
+  tls:
+    - hosts:
+        - {{ .Values.grafanaOnelabIngress.host | quote }}
+      secretName: {{ .Values.grafanaOnelabIngress.tlsSecretName | quote }}
+  {{- end }}
+  rules:
+    - host: {{ .Values.grafanaOnelabIngress.host | quote }}
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: {{ printf "%s-grafana" .Release.Name }}
+                port:
+                  number: {{ .Values.grafanaOnelabIngress.servicePort }}
+{{- end }}
--- a/gitops/observability/values.yaml
+++ b/gitops/observability/values.yaml
@@ -0,0 +1,3 @@
+# Operator-facing overrides live in gitops/values/observability.yaml (see gitops/argocd/application.yaml helm.valueFiles).
+# This file is kept minimal on purpose.
+{}