Add observability chart

charts/observability/.helmignore

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+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

charts/observability/Chart.lock

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+dependencies:
+- name: grafana
+  repository: https://grafana.github.io/helm-charts
+  version: 7.3.9
+- name: loki
+  repository: https://grafana.github.io/helm-charts
+  version: 5.36.3
+- name: opencost
+  repository: https://opencost.github.io/opencost-helm-chart
+  version: 1.33.3
+- name: prometheus
+  repository: https://prometheus-community.github.io/helm-charts
+  version: 25.19.1
+digest: sha256:17da27050d4d929132a812a2fcfc17f6efd1352f90bf05584d1accad698dbe1d
+generated: "2024-04-18T13:59:29.786238+02:00"

charts/observability/Chart.yaml

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+apiVersion: v2
+name: observability
+description: A Helm chart for medic observability
+home: https://github.com/medic/helm-charts/tree/main/charts/observability
+
+
+# A chart can be either an 'application' or a 'library' chart.
+#
+# Application charts are a collection of templates that can be packaged into versioned archives
+# to be deployed.
+#
+# Library charts provide useful utilities or functions for the chart developer. They're included as
+# a dependency of application charts to inject those utilities and functions into the rendering
+# pipeline. Library charts do not define any templates and therefore cannot be deployed.
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+# Versions are expected to follow Semantic Versioning (https://semver.org/)
+version: 0.1.2
+
+# This is the version number of the application being deployed. This version number should be
+# incremented each time you make changes to the application. Versions are not expected to
+# follow Semantic Versioning. They should reflect the version the application is using.
+# It is recommended to use it with quotes.
+appVersion: "1.16.0"
+dependencies:
+  - name: grafana
+    version: "7.3.*"
+    repository: https://grafana.github.io/helm-charts
+    condition: grafana.enabled
+  - name: loki
+    version: "5.36.*"
+    repository: https://grafana.github.io/helm-charts
+    condition: loki.enabled
+  - name: opencost
+    version: "1.33.*"
+    repository: https://opencost.github.io/opencost-helm-chart
+    condition: opencost.enabled
+  - name: prometheus
+    version: "25.19.*"
+    repository: https://prometheus-community.github.io/helm-charts
+    condition: prometheus.enabled

charts/observability/README.md

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+# Medic Observability
+
+## Chart
+```
+┌─Map────────┐
+│            │
+│ ─▶ Metrics │
+│            │
+│ ═▷ Logs    │                 ┌────────┐
+│            │                 │Opencost│
+└────────────┘                 └──▲┬────┘
+                              ┌───┴▼─────┐
+                         ┌────▶Prometheus├───┐
+┌ Daemonset ─ ─ ─ ─ ─ ─ ─│─ ┐ └──────────┘   │
+  ┌─────────────┐  ┌─────┴┐              ┌───▼───┐
+│ │node-exporter├──▶Vector│ │            │Grafana│
+  └─────────────┘  └─△───╦┘              └───△───┘
+└ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─║─ ─║─ ┘ ┌──────────┐   ║
+             ┌───────╩─┐ ╚════▷   Loki   ╠═══╝
+             │Node logs│      └──────────┘    
+             └─────────┘   
+
+```

charts/observability/dashboards/medic/logs.json

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+{
+  "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,
+  "links": [],
+  "panels": [
+    {
+      "datasource": {
+        "type": "loki",
+        "uid": "${datasource}"
+      },
+      "gridPos": {
+        "h": 15,
+        "w": 24,
+        "x": 0,
+        "y": 0
+      },
+      "id": 1,
+      "options": {
+        "dedupStrategy": "none",
+        "enableLogDetails": true,
+        "prettifyLogMessage": false,
+        "showCommonLabels": false,
+        "showLabels": false,
+        "showTime": false,
+        "sortOrder": "Descending",
+        "wrapLogMessage": false
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "loki",
+            "uid": "${datasource}"
+          },
+          "editorMode": "builder",
+          "expr": "{namespace=\"$namespace\", container=~\"$container\"} | json message | line_format `{{.message}}` |~ `(?i)$search`",
+          "queryType": "range",
+          "refId": "A"
+        }
+      ],
+      "title": "Logs",
+      "type": "logs"
+    }
+  ],
+  "schemaVersion": 39,
+  "tags": [
+    "medic",
+    "logs"
+  ],
+  "templating": {
+    "list": [
+      {
+        "current": {
+          "selected": false,
+          "text": "Medic / Loki",
+          "value": "P0218D2AE89D0C514"
+        },
+        "hide": 0,
+        "includeAll": false,
+        "label": "Datasource",
+        "multi": false,
+        "name": "datasource",
+        "options": [],
+        "query": "loki",
+        "queryValue": "",
+        "refresh": 1,
+        "regex": "",
+        "skipUrlSync": false,
+        "type": "datasource"
+      },
+      {
+        "current": {
+          "selected": true,
+          "text": "kube-system",
+          "value": "kube-system"
+        },
+        "datasource": {
+          "type": "loki",
+          "uid": "${datasource}"
+        },
+        "definition": "",
+        "hide": 0,
+        "includeAll": false,
+        "label": "Namespace",
+        "multi": false,
+        "name": "namespace",
+        "options": [],
+        "query": {
+          "label": "namespace",
+          "refId": "LokiVariableQueryEditor-VariableQuery",
+          "stream": "",
+          "type": 1
+        },
+        "refresh": 1,
+        "regex": "",
+        "skipUrlSync": false,
+        "sort": 0,
+        "type": "query"
+      },
+      {
+        "allValue": ".*",
+        "current": {
+          "selected": true,
+          "text": [
+            "All"
+          ],
+          "value": [
+            "$__all"
+          ]
+        },
+        "datasource": {
+          "type": "loki",
+          "uid": "${datasource}"
+        },
+        "definition": "",
+        "hide": 0,
+        "includeAll": true,
+        "label": "Container",
+        "multi": true,
+        "name": "container",
+        "options": [],
+        "query": {
+          "label": "container",
+          "refId": "LokiVariableQueryEditor-VariableQuery",
+          "stream": "{namespace=\"$namespace\"}",
+          "type": 1
+        },
+        "refresh": 2,
+        "regex": "",
+        "skipUrlSync": false,
+        "sort": 0,
+        "type": "query"
+      },
+      {
+        "current": {
+          "selected": false,
+          "text": "",
+          "value": ""
+        },
+        "description": "Case insensitive search of log message content",
+        "hide": 0,
+        "label": "Search",
+        "name": "search",
+        "options": [
+          {
+            "selected": true,
+            "text": "",
+            "value": ""
+          }
+        ],
+        "query": "",
+        "skipUrlSync": false,
+        "type": "textbox"
+      }
+    ]
+  },
+  "time": {
+    "from": "now-1h",
+    "to": "now"
+  },
+  "timepicker": {},
+  "timezone": "browser",
+  "title": "Medic / Logs",
+  "uid": "edj073o8s7b40a",
+  "version": 1,
+  "weekStart": ""
+}