database_alerts.json

{
  "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "alertNamePrefix": {
      "type": "string"
    },
    "actionGroupId": {
      "type": "string"
    },
    "databaseServerId": {
      "type": "string"
    },
    "enableAlerts": {
      "type": "bool"
    }
  },
  "variables": {
    "databaseServerName": "[last(split(parameters('databaseServerId'), '/'))]",
    "databaseServerAlertPrefix": "[concat(parameters('alertNamePrefix'), '-', variables('databaseServerName'))]",
    "databaseServerHighCpuAlertName": "[concat(variables('databaseServerAlertPrefix'), '-high-cpu')]",
    "databaseServerHighMemoryAlertName": "[concat(variables('databaseServerAlertPrefix'), '-high-memory')]",
    "databaseServerHighStorageAlertName": "[concat(variables('databaseServerAlertPrefix'), '-high-storage')]"
  },
  "resources": [
    {
      "type": "Microsoft.Insights/metricAlerts",
      "apiVersion": "2018-03-01",
      "name": "[variables('databaseServerHighCpuAlertName')]",
      "location": "global",
      "properties": {
        "scopes": ["[parameters('databaseServerId')]"],
        "enabled": "[parameters('enableAlerts')]",
        "description": "[concat('Alert when average CPU utilization for ', variables('databaseServerName'), ' is greater than 80%.')]",
        "severity": 0,
        "evaluationFrequency": "PT5M",
        "windowSize": "PT15M",
        "targetResourceType": "Microsoft.DBforPostgreSQL/servers",
        "targetResourceRegion": "[resourceGroup().location]",
        "criteria": {
          "odata.type": "Microsoft.Azure.Monitor.SingleResourceMultipleMetricCriteria",
          "allOf": [
            {
              "criterionType": "StaticThresholdCriterion",
              "name": "high-cpu",
              "metricNamespace": "Microsoft.DBforPostgreSQL/servers",
              "metricName": "cpu_percent",
              "operator": "GreaterThan",
              "threshold": 80,
              "timeAggregation": "Average"
            }
          ]
        },
        "actions": [
          {
            "actionGroupId": "[parameters('actionGroupId')]"
          }
        ]
      }
    },
    {
      "type": "Microsoft.Insights/metricAlerts",
      "apiVersion": "2018-03-01",
      "name": "[variables('databaseServerHighMemoryAlertName')]",
      "location": "global",
      "properties": {
        "scopes": ["[parameters('databaseServerId')]"],
        "enabled": "[parameters('enableAlerts')]",
        "description": "[concat('Alert when average memory utilization for ', variables('databaseServerName'), ' is greater than 80%.')]",
        "severity": 0,
        "evaluationFrequency": "PT5M",
        "windowSize": "PT15M",
        "targetResourceType": "Microsoft.DBforPostgreSQL/servers",
        "targetResourceRegion": "[resourceGroup().location]",
        "criteria": {
          "odata.type": "Microsoft.Azure.Monitor.SingleResourceMultipleMetricCriteria",
          "allOf": [
            {
              "criterionType": "StaticThresholdCriterion",
              "name": "high-memory",
              "metricNamespace": "Microsoft.DBforPostgreSQL/servers",
              "metricName": "memory_percent",
              "operator": "GreaterThan",
              "threshold": 80,
              "timeAggregation": "Average"
            }
          ]
        },
        "actions": [
          {
            "actionGroupId": "[parameters('actionGroupId')]"
          }
        ]
      }
    },
    {
      "type": "Microsoft.Insights/metricAlerts",
      "apiVersion": "2018-03-01",
      "name": "[variables('databaseServerHighStorageAlertName')]",
      "location": "global",
      "properties": {
        "scopes": ["[parameters('databaseServerId')]"],
        "enabled": "[parameters('enableAlerts')]",
        "description": "[concat('Alert when average storage utilization for ', variables('databaseServerName'), ' is greater than 80%.')]",
        "severity": 0,
        "evaluationFrequency": "PT1M",
        "windowSize": "PT5M",
        "targetResourceType": "Microsoft.DBforPostgreSQL/servers",
        "targetResourceRegion": "[resourceGroup().location]",
        "criteria": {
          "odata.type": "Microsoft.Azure.Monitor.SingleResourceMultipleMetricCriteria",
          "allOf": [
            {
              "criterionType": "StaticThresholdCriterion",
              "name": "high-storage",
              "metricNamespace": "Microsoft.DBforPostgreSQL/servers",
              "metricName": "storage_percent",
              "operator": "GreaterThan",
              "threshold": 80,
              "timeAggregation": "Average"
            }
          ]
        },
        "actions": [
          {
            "actionGroupId": "[parameters('actionGroupId')]"
          }
        ]
      }
    }
  ],
  "outputs": {}
}