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AzureMonitor: Add support for not equals and startsWith operators when creating Azure Metrics dimension filters. (#48077)

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* Allow dimension operator selection

- Add dimension operators and function to update the operator in the query
- Add logic to ensure the same dimension cannot be selected multiple times (Azure restriction)
- Add selection component

* Update backend logic to default operation and filter to eq '*'

- This must be done as the ne and sw operators do not work with the wildcard filter

* Add tests on dimension operators

* Correct placement of 'and' when building query

* Add comment and simplify filtering logic

* Allow multiSelect for eq and ne operators

- Pass PanelData to DimensionFields component
- Add logic to retrieve labels from PanelData
- Add MultiSelect component for relevant operators
- Update frontend types to allow filter to be an array of strings
- Update backend types to allow filter to be an array of strings
- Update filter string building

* Improve setting of labels

* Update go tests

* Update frontend tests

- Add panelData mock (to be expanded later)
- Update null check in DimensionFields

* Allow custom value and set default

* Add frontend test and fix lint issues

* Improved handling of options for sw operator

* Remove changes related to multiselect

* Add check on refId to ensure dimension labels are correct for query

* Extract custom hook for setting dimension labels

* Add documentation around Azure Monitor metrics dimensions

* Update MetricQueryEditor tests

- Add missing data prop

* Correctly set field values

* Add additional expect for onQueryChange

* Correctly set operators

- Simplify onFilterInputChange

* Ensure no duplicate filters appear

* Ensure that filters are displayed correctly for saved queries

* Update dimension filter test

* Include additional test around changing dimension labels

* Pass panel data through new metrics query editor
This commit is contained in:
Andreas Christou
2022-04-29 17:01:13 +01:00
committed by GitHub
parent 87ae3e0644
commit d7c16e06d2
14 changed files with 488 additions and 14 deletions
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docs/sources/datasources/azuremonitor/_index.md
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@@ -82,6 +82,14 @@ The legend label for Metrics can be changed using aliases. In the Legend Format
| `{{ dimensionname }}` | _(Legacy for backwards compatibility)_ Replaced with the name of the first dimension |
| `{{ dimensionvalue }}` | _(Legacy for backwards compatibility)_ Replaced with the value of the first dimension |
#### Dimensions
Some metrics have additional metadata associated - dimensions. Dimensions are represented as key-value pairs assigned to each value of a metric. Grafana allows for the display and filtering of metrics based on dimension values.
Multiple operators are supported (as detailed [here](https://docs.microsoft.com/en-us/rest/api/monitor/metrics/list)) - the `equals`, `not equals`, and `starts with` operators.
Further documentation on multi-dimensional metrics is available [here](https://docs.microsoft.com/en-us/azure/azure-monitor/essentials/data-platform-metrics#multi-dimensional-metrics), and documentation on filtering [here](https://docs.microsoft.com/en-us/azure/azure-monitor/essentials/metrics-charts#filters).
#### Supported Azure Monitor metrics
Not all metrics returned by the Azure Monitor Metrics API have values. To make it easier for you when building a query, the Grafana data source has a list of supported metrics and ignores metrics which will never have values. This list is updated regularly as new services and metrics are added to the Azure cloud. For more information about the list of metrics, refer to [current supported namespaces](https://github.com/grafana/grafana/blob/main/public/app/plugins/datasource/grafana-azure-monitor-datasource/azure_monitor/supported_namespaces.ts).