Simpler Data source query Alert Def Post Example

panel.json

POST http://admin:admin@localhost:3000/api/alert-definitions/
Content-Type: application/json

{
    "name": "Example Alert POST",
    "condition": {
        "refId": "C",
        "interval": 10,
        "queriesAndExpressions": [
            {
                "model": {
                    "points": [],
                    "stream": {
                        "type": "signal",
                        "speed": 250,
                        "spread": 3.5,
                        "noise": 2.2,
                        "bands": 1
                    },
                    "pulseWave": {
                        "timeStep": 300,
                        "onCount": 3,
                        "onValue": 2,
                        "offCount": 3,
                        "offValue": 1
                    },
                    "csvWave": {
                        "timeStep": 60,
                        "valuesCSV": "0,0,2,2,1,1"
                    },
                    "stringInput": "",
                    "scenarioId": "predictable_pulse",
                    "lines": 10,
                    "refId": "A",
                    "alias": "",
                    "datasource": "gdev-testdata",
                    "datasourceId": 4
                },
                "relativeTimeRange": {
                    "From": 500,
                    "To": 0
                },
                "refId": "A"
            },
            {
                "model": {
                    "type": "reduce",
                    "datasource": "__expr__",
                    "reducer": "mean",
                    "expression": "A"
                },
                "refId": "B"
            },
            {
                "model": {
                    "type": "math",
                    "datasource": "__expr__",
                    "expression": "$B > 10"
                },
                "refId": "C"
            }
        ]
    }
}

post_def.http

{
  "type": "graph",
  "title": "Panel Title",
  "gridPos": {
    "x": 0,
    "y": 0,
    "w": 12,
    "h": 9
  },
  "id": 23763571993,
  "datasource": "-- Mixed --",
  "targets": [
    {
      "points": [],
      "stream": {
        "type": "signal",
        "speed": 250,
        "spread": 3.5,
        "noise": 2.2,
        "bands": 1
      },
      "pulseWave": {
        "timeStep": 300,
        "onCount": 3,
        "onValue": 2,
        "offCount": 3,
        "offValue": 1
      },
      "csvWave": {
        "timeStep": 60,
        "valuesCSV": "0,0,2,2,1,1"
      },
      "stringInput": "",
      "scenarioId": "predictable_pulse",
      "lines": 10,
      "refId": "A",
      "alias": "",
      "datasource": "gdev-testdata"
    },
    {
      "refId": "B",
      "type": "reduce",
      "datasource": "__expr__",
      "reducer": "mean",
      "expression": "A"
    },
    {
      "refId": "C",
      "type": "math",
      "datasource": "__expr__",
      "expression": "$B > 10"
    }
  ],
  "options": {
    "alertThreshold": true
  },
  "fieldConfig": {
    "defaults": {
      "custom": {}
    },
    "overrides": []
  },
  "pluginVersion": "7.4.0-pre",
  "renderer": "flot",
  "yaxes": [
    {
      "label": null,
      "show": true,
      "logBase": 1,
      "min": null,
      "max": null,
      "format": "short",
      "$$hashKey": "object:40"
    },
    {
      "label": null,
      "show": true,
      "logBase": 1,
      "min": null,
      "max": null,
      "format": "short",
      "$$hashKey": "object:41"
    }
  ],
  "xaxis": {
    "show": true,
    "mode": "time",
    "name": null,
    "values": [],
    "buckets": null
  },
  "yaxis": {
    "align": false,
    "alignLevel": null
  },
  "lines": true,
  "fill": 1,
  "fillGradient": 0,
  "linewidth": 1,
  "dashes": false,
  "hiddenSeries": false,
  "dashLength": 10,
  "spaceLength": 10,
  "points": false,
  "pointradius": 2,
  "bars": false,
  "stack": false,
  "percentage": false,
  "legend": {
    "show": true,
    "values": false,
    "min": false,
    "max": false,
    "current": false,
    "total": false,
    "avg": false
  },
  "nullPointMode": "null",
  "steppedLine": false,
  "tooltip": {
    "value_type": "individual",
    "shared": true,
    "sort": 0
  },
  "aliasColors": {},
  "seriesOverrides": [],
  "thresholds": [],
  "timeRegions": []
}