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ryaneorth avatar ryaneorth commented on September 26, 2024 1

Hi @fragolinux - I do not know of a great way to do this without leveraging an external monitoring tool like Prometheus/Grafana. For my own usage of this repository I have a Grafana notification to alert me if there has not been a snapshotter pod executed within a certain time threshold.

from k8s-scheduled-volume-snapshotter.

ryaneorth avatar ryaneorth commented on September 26, 2024 1

You may need to modify the frequency of the checks based on how often you expect the scheduled volume snapshot pods to run, but I've found this to be adequate for my use case:

{
  "annotations": {
    "list": [
      {
        "builtIn": 1,
        "datasource": {
          "type": "grafana",
          "uid": "-- Grafana --"
        },
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
        "name": "Annotations & Alerts",
        "target": {
          "limit": 100,
          "matchAny": false,
          "tags": [],
          "type": "dashboard"
        },
        "type": "dashboard"
      }
    ]
  },
  "editable": true,
  "fiscalYearStartMonth": 0,
  "graphTooltip": 0,
  "links": [],
  "liveNow": false,
  "panels": [
    {
      "alert": {
        "alertRuleTags": {},
        "conditions": [
          {
            "evaluator": {
              "params": [
                1
              ],
              "type": "lt"
            },
            "operator": {
              "type": "and"
            },
            "query": {
              "params": [
                "A",
                "30m",
                "now"
              ]
            },
            "reducer": {
              "params": [],
              "type": "max"
            },
            "type": "query"
          }
        ],
        "executionErrorState": "keep_state",
        "for": "1m",
        "frequency": "30m",
        "handler": 1,
        "message": "There have not been any successful scheduled volume snapshot pods in the past 30 minutes",
        "name": "Successful Scheduled Volume Snapshot Pods alert",
        "noDataState": "no_data",
        "notifications": [
          {
            "uid": "<redacted>"
          }
        ]
      },
      "datasource": {
        "type": "prometheus",
        "uid": "<redacted>"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 0,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          }
        },
        "overrides": []
      },
      "gridPos": {
        "h": 11,
        "w": 24,
        "x": 0,
        "y": 0
      },
      "id": 2,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "list",
          "placement": "bottom"
        },
        "tooltip": {
          "mode": "single",
          "sort": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "<redacted>"
          },
          "expr": "sum(kube_pod_status_phase{phase=\"Succeeded\", namespace=\"scheduled-volume-snapshotter\"})",
          "refId": "A"
        }
      ],
      "thresholds": [
        {
          "colorMode": "critical",
          "op": "lt",
          "value": 1,
          "visible": true
        }
      ],
      "title": "Successful Scheduled Volume Snapshot Pods",
      "type": "timeseries"
    }
  ],
  "schemaVersion": 36,
  "style": "dark",
  "tags": [],
  "templating": {
    "list": []
  },
  "time": {
    "from": "now-6h",
    "to": "now"
  },
  "timepicker": {},
  "timezone": "",
  "title": "Scheduled Volume Snapshotter Health",
  "version": 0,
  "weekStart": ""
}

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fragolinux avatar fragolinux commented on September 26, 2024

Good, can you please share the dashboard json? Thanks!

from k8s-scheduled-volume-snapshotter.

fragolinux avatar fragolinux commented on September 26, 2024

thank you!

from k8s-scheduled-volume-snapshotter.

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