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Merge pull request #3085 from mtanda/cloudwatch_template_doc

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Add templating explanation to CloudWatch docs.
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Torkel Ödegaard 2015-10-31 11:37:01 +01:00
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docs/sources/datasources/cloudwatch.md
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@ -54,6 +54,25 @@ Example content:
You need to specify a namespace, metric, at least one stat, and at least one dimension.
## Templated queries
CloudWatch Datasource Plugin provides the following functions in `Variables values query` field in Templating Editor to query `region`, `namespaces`, `metric names` and `dimension keys/values` on the CloudWatch.
Name | Description
------- | --------
`regions()` | Returns a list of regions AWS provides their service.
`namespaces()` | Returns a list of namespaces CloudWatch support.
`metrics(namespace)` | Returns a list of metrics in the namespace.
`dimension_keys(namespace)` | Returns a list of dimension keys in the namespace.
`dimension_values(region, namespace, metric)` | Returns a list of dimension values matching the specified `region`, `namespace` and `metric`.
For details about the metrics CloudWatch provides, please refer to the [CloudWatch documentation](https://docs.aws.amazon.com/AmazonCloudWatch/latest/DeveloperGuide/CW_Support_For_AWS.html).
If you want to filter dimension values by other dimension key/value pair, you can specify optional parameter like this.
```sql
dimension_values(region, namespace, metric, dim_key1=dim_val1,dim_key2=dim_val2,...)
```
![](/img/v2/cloudwatch_templating.png)
## Cost