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* cloud-datasources mob! :shipit: * cloud-datasources mob! :shipit: lastFile:public/app/plugins/datasource/cloudwatch/components/VariableQueryEditor/VariableQueryEditor.tsx * mob next [ci-skip] [ci skip] [skip ci] lastFile:public/app/plugins/datasource/cloudwatch/variables.ts * cloud-datasources mob! 👶 lastFile:public/app/plugins/datasource/cloudwatch/components/VariableQueryEditor/VariableQueryEditor.test.tsx * cloud-datasources mob! 👶 lastFile:public/app/plugins/datasource/cloudwatch/components/VariableQueryEditor/VariableQueryEditor.test.tsx * mob next [ci-skip] [ci skip] [skip ci] lastFile:public/app/plugins/datasource/cloudwatch/components/VariableQueryEditor/VariableQueryEditor.test.tsx * cloud-datasources mob! :shipit: lastFile:public/app/plugins/datasource/cloudwatch/variables.test.ts * cloud-datasources mob! ☕ * prettier md Co-authored-by: Kevin Yu <kevinwcyu@users.noreply.github.com> Co-authored-by: Andres <andres.martinez@grafana.com> Co-authored-by: Erik Sundell <erik.sundell87@gmail.com> Co-authored-by: Adam Simpson <adam@adamsimpson.net>
82 lines
5.0 KiB
Markdown
82 lines
5.0 KiB
Markdown
---
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aliases:
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- /docs/grafana/latest/datasources/aws-cloudwatch/template-queries-cloudwatch/
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- /docs/grafana/latest/datasources/cloudwatch/
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description: Template variables in CloudWatch queryh
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title: Template variables in CloudWatch query
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weight: 10
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---
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# Using template variables in CloudWatch queries
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Instead of hard-coding server, application, and sensor names in your metric queries, you can use variables. The variables are listed as dropdown select boxes at the top of the dashboard. These dropdowns make it easy to change the display of data in your dashboard.
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For an introduction to templating and template variables, refer to the [Templating]({{< relref "../../variables/" >}}) documentation.
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## Query variable
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You can use the following CloudWatch data source queries to specify the `Query Type` field in the Variable edit view. Use them to fill a variables options list with values like `regions`, `namespaces`, `metric names`, and `dimension keys/values`.
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Read more about the available dimensions in the [CloudWatch Metrics and Dimensions Reference](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CW_Support_For_AWS.html).
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| Name | Description |
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| ------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| `Regions` | Returns a list of all AWS regions |
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| `Namespaces` | Returns a list of all the namespaces CloudWatch supports. |
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| `Metrics` | Returns a list of metrics in the namespace. (specify region or use "default" for custom metrics) |
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| `Dimension Keys` | Returns a list of dimension keys in the namespace. |
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| `Dimension Values` | Returns a list of dimension values matching the specified `region`, `namespace`, `metric`, and `dimension_key`. You can use dimension `filters` to get more specific results. |
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| `EBS Volume IDs` | Returns a list of volume ids matching the specified `region` and `instance_id`. |
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| `EC2 Instance Attributes` | Returns a list of attributes matching the specified `region`, `attribute_name`, and `filters`. |
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| `Resource ARNs` | Returns a list of ARNs matching the specified `region`, `resource_type` and `tags`. |
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| `Statistics` | Returns a list of all the standard statistics. |
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| `LogGroups` | Returns a list of all log groups matching the specified `region`. |
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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).
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### Using variables in queries
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Variables can be used in the variable form. Refer to the [variable syntax documentation]({{< relref "../../variables/syntax/" >}}).
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## ec2_instance_attribute examples
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### Filters
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The `ec2_instance_attribute` query takes in `filters` as a filter name and a comma-separated list of values.
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You can specify [pre-defined filters of ec2:DescribeInstances](http://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_DescribeInstances.html).
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### Selecting attributes
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Only 1 attribute per instance can be returned. Any flat attribute can be selected (i.e. if the attribute has a single value and isn't an object or array). Below is a list of available flat attributes:
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- `AmiLaunchIndex`
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- `Architecture`
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- `ClientToken`
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- `EbsOptimized`
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- `EnaSupport`
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- `Hypervisor`
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- `IamInstanceProfile`
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- `ImageId`
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- `InstanceId`
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- `InstanceLifecycle`
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- `InstanceType`
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- `KernelId`
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- `KeyName`
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- `LaunchTime`
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- `Platform`
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- `PrivateDnsName`
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- `PrivateIpAddress`
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- `PublicDnsName`
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- `PublicIpAddress`
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- `RamdiskId`
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- `RootDeviceName`
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- `RootDeviceType`
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- `SourceDestCheck`
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- `SpotInstanceRequestId`
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- `SriovNetSupport`
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- `SubnetId`
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- `VirtualizationType`
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- `VpcId`
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You can select tags by prepending the tag name with `Tags.`. For example, the tag `Name` is selected with `Tags.Name`.
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