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* Docs: Fix Azure Monitor refs * more fixes Co-authored-by: Robby Milo <robbymilo@gmail.com>
54 lines
5.0 KiB
Markdown
54 lines
5.0 KiB
Markdown
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title = "Azure Monitor template variables"
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description = "Using template variables with Azure Monitor in Grafana"
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keywords = ["grafana", "microsoft", "azure", "monitor", "application", "insights", "log", "analytics", "guide"]
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weight = 2
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# Template variables
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Instead of hard-coding values for fields like resource group or resource name in your queries, you can use variables in their place to create more interactive, dynamic, and reusable dashboards.
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Check out the [Templating]({{< relref "../../variables/_index.md" >}}) documentation for an introduction to the templating feature and the different
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types of template variables.
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The Azure Monitor data source provides the following queries you can specify in the Query field in the Variable edit view
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| Name | Description |
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| ---------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------ |
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| `Subscriptions()` | Returns subscriptions. |
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| `ResourceGroups()` | Returns resource groups. |
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| `ResourceGroups(subscriptionID)` | Returns resource groups for a specified subscription. |
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| `Namespaces(aResourceGroup)` | Returns namespaces for the default subscription and specified resource group. |
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| `Namespaces(subscriptionID, aResourceGroup)` | Returns namespaces for the specified subscription and resource group. |
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| `ResourceNames(aResourceGroup, aNamespace)` | Returns a list of resource names. |
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| `ResourceNames(subscriptionID, aResourceGroup, aNamespace)` | Returns a list of resource names for a specified subscription. |
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| `MetricNamespace(aResourceGroup, aNamespace, aResourceName)` | Returns a list of metric namespaces. |
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| `MetricNamespace(subscriptionID, aResourceGroup, aNamespace, aResourceName)` | Returns a list of metric namespaces for a specified subscription. |
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| `MetricNames(aResourceGroup, aMetricDefinition, aResourceName, aMetricNamespace)` | Returns a list of metric names. |
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| `MetricNames(aSubscriptionID, aMetricDefinition, aResourceName, aMetricNamespace)` | Returns a list of metric names for a specified subscription. |
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| `workspaces()` | Returns a list of workspaces for the default subscription. |
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| `workspaces(subscriptionID)` | Returns a list of workspaces for the specified subscription (the parameter can be quoted or unquoted). |
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Where a subscription ID is not specified, a default subscription must be specified in the data source configuration, which will be used.
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Any Log Analytics KQL query that returns a single list of values can also be used in the Query field. For example:
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| Query | Description |
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| ----------------------------------------------------------------------------------------- | --------------------------------------------------------- |
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| `workspace("myWorkspace").Heartbeat \| distinct Computer` | Returns a list of Virtual Machines |
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| `workspace("$workspace").Heartbeat \| distinct Computer` | Returns a list of Virtual Machines with template variable |
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| `workspace("$workspace").Perf \| distinct ObjectName` | Returns a list of objects from the Perf table |
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| `workspace("$workspace").Perf \| where ObjectName == "$object"` `\| distinct CounterName` | Returns a list of metric names from the Perf table |
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Example of a time series query using variables:
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```kusto
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Perf
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| where ObjectName == "$object" and CounterName == "$metric"
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| where TimeGenerated >= $__timeFrom() and TimeGenerated <= $__timeTo()
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| where $__contains(Computer, $computer)
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| summarize avg(CounterValue) by bin(TimeGenerated, $__interval), Computer
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| order by TimeGenerated asc
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```
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