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57 lines
3.2 KiB
Markdown
57 lines
3.2 KiB
Markdown
---
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aliases:
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- /docs/grafana/latest/datasources/azuremonitor/template-variables/
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description: Using template variables with Azure Monitor in Grafana
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keywords:
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- grafana
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- microsoft
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- azure
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- monitor
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- application
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- insights
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- log
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- analytics
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- guide
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title: Azure Monitor template variables
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weight: 2
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---
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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/" >}}) 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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| Resource Groups | Returns resource groups for a specified subscription. |
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| Namespaces | Returns metric namespaces for the specified subscription and resource group. |
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| Resource Names | Returns a list of resource names for a specified subscription, resource group and namespace. |
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| Metric Names | Returns a list of metric names for a resource. |
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| Workspaces | Returns a list of workspaces for the specified subscription. |
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| Logs | Use a KQL query to return values. |
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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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