CloudWatch: Add support for AWS Metric Insights (#42487)

* add support for code editor and builder

* refactor cloudwatch migration

* Add tooltip to editor field (#56)

* add tooltip

* add old tooltips

* Bug bash feedback fixes (#58)

* make ASC the default option

* update sql preview whenever sql changes

* don't allow queries without aggregation

* set default value for aggregation

* use new input field

* cleanup

* pr feedback

* prevent unnecessary rerenders

* use frame error instead of main error

* remove not used snapshot

* Use dimension filter in schema picker  (#63)

* use dimension key filter in group by and schema labels

* add dimension filter also to code editor

* add tests

* fix build error

* fix strict error

* remove debug code

* fix annotation editor (#64)

* fix annotation editor

* fix broken test

* revert annotation backend change

* PR feedback (#67)

* pr feedback

* removed dimension filter from group by

* add spacing between common fields and rest

* do not generate deep link for metric queries (#70)

* update docs (#69)

Co-authored-by: Erik Sundell <erik.sundell87@gmail.com>

* fix lint problem caused by merge conflict

Co-authored-by: achatterjee-grafana <70489351+achatterjee-grafana@users.noreply.github.com>
This commit is contained in:
Erik Sundell
2021-11-30 10:53:31 +01:00
committed by GitHub
parent 2a50c029b2
commit bab78a9e64
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# AWS CloudWatch data source
Grafana ships with built-in support for CloudWatch. Add it as a data source, then you are ready to build dashboards or use Explore with CloudWatch metrics and CloudWatch Logs.
Grafana ships with built-in support for CloudWatch. This topic describes queries, templates, variables, and other configuration specific to the CloudWatch data source. For instructions on how to add a data source to Grafana, refer to [Add a data source]({{< relref "../add-a-data-source.md" >}}). Only users with the organization admin role can add data sources.
This topic describes queries, templates, variables, and other configuration specific to the CloudWatch data source. For instructions on how to add a data source to Grafana, refer to [Add a data source]({{< relref "../add-a-data-source.md" >}}). Only users with the organization admin role can add data sources.
Once you have added the Cloudwatch data source, you can build dashboards or use Explore with CloudWatch metrics and CloudWatch Logs.
> **Note:** If you are having issues setting up the data source and Grafana is returning undescriptive errors, then check the log file located in /var/log/grafana/grafana.log).
> **Note:** For troubleshooting issues when setting up the Cloudwatch data source, check the `/var/log/grafana/grafana.log` file.
## Cloudwatch settings
## Configure the CloudWatch data source
To access data source settings, hover your mouse over the **Configuration** (gear) icon, then click **Data Sources**, and then click the AWS Cloudwatch data source.
| Name | Description |
| -------------------------- | ----------------------------------------------------------------------------------------------------------------------- |
| `Name` | The data source name. This is how you refer to the data source in panels and queries. |
| `Default` | Default data source means that it will be pre-selected for new panels. |
| `Default Region` | Used in query editor to set region (can be changed on per query basis) |
| `Custom Metrics namespace` | Specify the CloudWatch namespace of Custom metrics |
| `Auth Provider` | Specify the provider to get credentials. |
| `Credentials` profile name | Specify the name of the profile to use (if you use `~/.aws/credentials` file), leave blank for default. |
| `Assume Role Arn` | Specify the ARN of the role to assume |
| `External ID` | If you are assuming a role in another account, that has been created with an external ID, specify the external ID here. |
### X-Ray trace links
Link an X-Ray data source in the "X-Ray trace link" section of the configuration page to automatically add links in your logs when the log contains `@xrayTraceId` field.
![Trace link configuration](/static/img/docs/cloudwatch/xray-trace-link-configuration-8-2.png 'Trace link configuration')
The data source select will contain only existing data source instances of type X-Ray so in order to use this feature you need to have existing X-Ray data source already configured, see [X-Ray docs](https://grafana.com/grafana/plugins/grafana-x-ray-datasource/) for details.
The X-Ray link will then appear in the log details section which is accessible by clicking on the log row either in Explore or in dashboard [Logs panel]({{< relref "../../visualizations/logs-panel.md" >}}). To log the `@xrayTraceId` in your logs see the [AWS X-Ray documentation](https://docs.amazonaws.cn/en_us/xray/latest/devguide/xray-services.html). To provide the field to Grafana your log queries also have to contain the `@xrayTraceId` field, for example using query `fields @message, @xrayTraceId`.
![Trace link in log details](/static/img/docs/cloudwatch/xray-link-log-details-8-2.png 'Trace link in log details')
## Authentication
For authentication options and configuration details, see [AWS authentication]({{< relref "aws-authentication.md" >}}) topic.
## IAM policies
### CloudWatch specific data source configuration
Grafana needs permissions granted via IAM to be able to read CloudWatch metrics
and EC2 tags/instances/regions. You can attach these permissions to IAM roles and
utilize Grafana's built-in support for assuming roles.
#### IAM policies
Grafana needs permissions granted via IAM to be able to read CloudWatch metrics and EC2 tags/instances/regions/alarms. You can attach these permissions to the IAM role or IAM user configured in the previous step.
Here is a minimal policy example:
@@ -100,30 +75,53 @@ Here is a minimal policy example:
}
```
## Using the Query Editor
#### Namespaces of Custom Metrics
Grafana is not able to load custom namespaces through the GetMetricData API. If you still want your custom metrics to show up in the fields in the query editor, you can specify the names of the namespaces containing the custom metrics in the _Namespaces of Custom Metrics_ field. The field accepts a multiple namespaces, separated by a comma.
#### X-Ray trace links
Link an X-Ray data source in the "X-Ray trace link" section of the configuration page to automatically add links in your logs when the log contains `@xrayTraceId` field.
![Trace link configuration](/static/img/docs/cloudwatch/xray-trace-link-configuration-8-2.png 'Trace link configuration')
The data source select will contain only existing data source instances of type X-Ray so in order to use this feature you need to have existing X-Ray data source already configured, see [X-Ray docs](https://grafana.com/grafana/plugins/grafana-x-ray-datasource/) for details.
The X-Ray link will then appear in the log details section which is accessible by clicking on the log row either in Explore or in dashboard [Logs panel]({{< relref "../../visualizations/logs-panel.md" >}}). To log the `@xrayTraceId` in your logs see the [AWS X-Ray documentation](https://docs.amazonaws.cn/en_us/xray/latest/devguide/xray-services.html). To provide the field to Grafana your log queries also have to contain the `@xrayTraceId` field, for example using query `fields @message, @xrayTraceId`.
![Trace link in log details](/static/img/docs/cloudwatch/xray-link-log-details-8-2.png 'Trace link in log details')
## CloudWatch query editor
The CloudWatch data source can query data from both CloudWatch metrics and CloudWatch Logs APIs, each with its own specialized query editor. You select which API you want to query with using the query mode switch on top of the editor.
{{< figure src="/static/img/docs/v70/cloudwatch-metrics-query-field.png" max-width="800px" class="docs-image--left" caption="CloudWatch metrics query field" >}}
{{< figure src="/static/img/docs/v70/cloudwatch-logs-query-field.png" max-width="800px" class="docs-image--right" caption="CloudWatch Logs query field" >}}
![CloudWatch API modes](/static/img/docs/cloudwatch/cloudwatch-query-editor-api-modes-8.3.0.png)
## Using the Metric Query Editor
### Metrics query editor
To create a valid query, you need to specify the namespace, metric name and at least one statistic. If `Match Exact` is enabled, you also need to specify all the dimensions of the metric youre querying, so that the [metric schema](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/search-expression-syntax.html) matches exactly. If `Match Exact` is off, you can specify any number of dimensions by which youd like to filter. Up to 100 metrics matching your filter criteria will be returned.
The metrics query editor allows you to build two types of queries - **Metric Search** and **Metric Query**.
### Dynamic queries using dimension wildcards
#### Using the Metric Search option
To create a valid Metric Search query specify the namespace, metric name and at least one statistic.
If `Match Exact` is enabled, you also need to specify all the dimensions of the metric youre querying, so that the [metric schema](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/search-expression-syntax.html) matches exactly. If `Match Exact` is disabled, you can specify any number of dimensions by which youd like to filter. Up to 100 metrics matching your filter criteria will be returned.
##### Dynamic queries using dimension wildcards
You can monitor a dynamic list of metrics by using the asterisk (\*) wildcard for one or more dimension values.
{{< figure src="/static/img/docs/v65/cloudwatch-dimension-wildcard.png" max-width="800px" class="docs-image--right" caption="CloudWatch dimension wildcard" >}}
![CloudWatch dimension wildcard](/static/img/docs/cloudwatch/cloudwatch-dimension-wildcard-8.3.0.png)
In this example, the query returns all metrics in the namespace `AWS/EC2` with a metric name of `CPUUtilization` and ANY value for the `InstanceId` dimension are queried. This can help you monitor metrics for AWS resources, like EC2 instances or containers. For example, when new instances are created as part of an auto scaling event, they will automatically appear in the graph without needing to track the new instance IDs. This capability is currently limited to retrieving up to 100 metrics.
In this example, the query returns all metrics in the namespace `AWS/EC2` with a metric name of `CPUUtilization` and ANY value for the `InstanceId` dimension are queried. This can help you monitor metrics for AWS resources, like EC2 instances or containers. When new instances are created as part of an auto scaling event, they will automatically appear in the graph without you having to track the new instance IDs. This capability is currently limited to retrieving up to 100 metrics.
Click on `Show Query Preview` to see the search expression that is automatically built to support wildcards. To learn more about search expressions, visit the [CloudWatch documentation](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/search-expression-syntax.html). By default, the search expression is defined in such a way that the queried metrics must match the defined dimension names exactly. This means that in the example only metrics with exactly one dimension with name InstanceId will be returned.
You can expand the [Query inspector](https://grafana.com/docs/grafana/latest/panels/queries/#query-inspector-button) button and click `Meta Data` to see the search expression that is automatically built to support wildcards. To learn more about search expressions, visit the [CloudWatch documentation](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/search-expression-syntax.html). By default, the search expression is defined in such a way that the queried metrics must match the defined dimension names exactly. This means that in the example only metrics with exactly one dimension with the name InstanceId will be returned.
You can untoggle `Match Exact` to include metrics that have other dimensions defined. Disabling `Match Exact` also creates a search expression even if you dont use wildcards. We simply search for any metric that matches at least the namespace, metric name, and all defined dimensions.
![CloudWatch Meta Inspector](/static/img/docs/cloudwatch/cloudwatch-meta-inspector-8.3.0.png)
### Multi-value template variables
You can disable `Match Exact` to include metrics that have other dimensions defined. Disabling `Match Exact` also creates a search expression even if you dont use wildcards. We simply search for any metric that matches at least the namespace, metric name, and all defined dimensions.
##### Multi-value template variables
When defining dimension values based on multi-valued template variables, a search expression is used to query for the matching metrics. This enables the use of multiple template variables in one query and also allows you to use template variables for queries that have the `Match Exact` option disabled.
@@ -131,7 +129,7 @@ Search expressions are currently limited to 1024 characters, so your query may f
The use of multi-valued template variables is only supported for dimension values. Using multi-valued template variables for `Region`, `Namespace`, or `Metric Name` is not supported.
### Metric math expressions
##### Metric math expressions
You can create new time series metrics by operating on top of CloudWatch metrics using mathematical functions. Arithmetic operators, unary subtraction and other functions are supported and can be applied to CloudWatch metrics. More details on the available functions can be found on [AWS Metric Math](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/using-metric-math.html)
@@ -139,13 +137,7 @@ As an example, if you want to apply arithmetic operations on a metric, you can d
Please note that in the case you use the expression field to reference another query, like `queryA * 2`, it will not be possible to create an alert rule based on that query.
### Period
A period is the length of time associated with a specific Amazon CloudWatch statistic. Periods are defined in numbers of seconds, and valid values for period are 1, 5, 10, 30, or any multiple of 60.
If the period field is left blank or set to `auto`, then it calculates automatically based on the time range and [cloudwatch's retention policy](https://aws.amazon.com/about-aws/whats-new/2016/11/cloudwatch-extends-metrics-retention-and-new-user-interface/). The formula used is `time range in seconds / 2000`, and then it snaps to the next higher value in an array of predefined periods `[60, 300, 900, 3600, 21600, 86400]` after removing periods based on retention. By clicking `Show Query Preview` in the query editor, you can see what period Grafana used.
### Deep linking from Grafana panels to the CloudWatch console
##### Deep linking from Grafana panels to the CloudWatch console
{{< figure src="/static/img/docs/v65/cloudwatch-deep-linking.png" max-width="500px" class="docs-image--right" caption="CloudWatch deep linking" >}}
@@ -153,257 +145,140 @@ Left clicking a time series in the panel shows a context menu with a link to `Vi
This feature is not available for metrics that are based on metric math expressions.
## Using the Logs Query Editor
### Using the Metric Query option
To query CloudWatch Logs, select the region and up to 20 log groups which you want to query. Use the main input area to write your query in [CloudWatch Logs Query Language](https://docs.aws.amazon.com/AmazonCloudWatch/latest/logs/CWL_QuerySyntax.html)
> **Note:** This query option is available in Grafana 8.3 and higher versions only.
Metrics Query in the CloudWatch plugin is what is referred to as **Metric Insights** in the AWS console. It's a fast, flexible, SQL-based query engine that enables you to identify trends and patterns across millions of operational metrics in real time. It uses a dialect of SQL. The query syntax is as follows.
```
SELECT FUNCTION(MetricName)
FROM Namespace | SCHEMA(...)
[ WHERE labelKey OPERATOR labelValue [AND|...]]
[ GROUP BY labelKey [, ...]]
[ ORDER BY FUNCTION() [DESC | ASC] ]
[ LIMIT number]
```
The following table provides basic explanation of the query keywords. For details about the Metrics Insights syntax, refer to the [AWS documentation](https://docs.aws.amazon.com/console/cloudwatch/metricsinsights-syntax).
| Keyword | Description |
| ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `FUNCTION` | Required. Specifies the aggregate function to use, and also specifies the name of the metric that is to be queried. Valid values are AVG, COUNT, MAX, MIN, and SUM |
| `MetricName` | Required. For example, `CPUUtilization`. |
| `FROM` | Required. Specifies the source of the metric. You can specify either the metric namespace that contains the metric that is to be queried, or a SCHEMA table function. Some namespace examples are 1`AWS/EC2`, `AWS/Lambda`. |
| `SCHEMA` | Optional. Allows you to narrow down the query results to only the metrics that is an exact match or to metrics that do noy match. |
| `WHERE` | Optional. Filters the results to only those metrics that match your specified expression. For example, `WHERE InstanceType != 'c3.4xlarge'`. |
| `GROUP BY` | Optional. Groups the query results into multiple time series. For example, `GROUP BY ServiceName`. |
| `ORDER BY` | Optional. Specifies the order of time series that are returned. Options are `ASC`, `DESC`. |
| `LIMIT` | Optional. Limits the number of time series returned. |
For information about limits for the Metrics Insights, please refer to the [AWS documentation](https://docs.aws.amazon.com/console/cloudwatch/metricsinsights).
**Builder mode**
To create a query in Builder mode:
1. Browse and select a metric namespace, metric name, filter, group, and order options using information from the table above.
1. For each of these options, choose from the list of possible options.
Grafana automatically constructs a SQL query based on your selections.
**Code mode**
To create a query in the Code mode:
1. Write your SQL query.
1. To run the query, click the **Run query** above the code editor.
The code editor has a built in autocomplete feature that gives suggestions for keywords, aggregations, namespaces, metrics, labels and label values. The suggestions are shown when hitting space, comma or dollar character. You can also use the keyboard combination CTRL+Space.
![Code editor autocomplete](/static/img/docs/cloudwatch/cloudwatch-code-editor-autocomplete-8.3.0.gif)
> **Note:** Usage of template variables in the code editor might interfere the autocompletion.
### Common metric query editor fields
At the bottom of the metric query editor, you'll find three fields that are common to both _Metric Search_ and _Metric Query_.
#### Id
The GetMetricData API requires that all queries have a unique ID. Use this field to specify an ID of choice. The ID can include numbers, letters, and underscore, and must start with a lowercase letter. If no ID is specified, grafana will generate an ID using the following pattern `query[refId of the current query row]`, e.g `queryA` for the first query row in the panel editor.
The ID can be used to reference queries in Metric Math expressions.
#### Period
A period is the length of time associated with a specific Amazon CloudWatch statistic. Periods are defined in numbers of seconds, and valid values for period are 1, 5, 10, 30, or any multiple of 60.
If the period field is left blank or set to `auto`, then it calculates automatically based on the time range and [cloudwatch's retention policy](https://aws.amazon.com/about-aws/whats-new/2016/11/cloudwatch-extends-metrics-retention-and-new-user-interface/). The formula used is `time range in seconds / 2000`, and then it snaps to the next higher value in an array of predefined periods `[60, 300, 900, 3600, 21600, 86400]` after removing periods based on retention. By clicking `Show Query Preview` in the query editor, you can see what period Grafana used.
#### Alias
The alias field allows you to override the default name of the metric legend.
##### Alias patterns
| Alias Pattern | Description | Example Result |
| ---------------------- | ------------------------------------------------------------- | ---------------- |
| `{{region}}` | returns the region | `us-east-1` |
| `{{period}}` | returns the period | `3000` |
| `{{metric}}` | returns the metric | `CPUUtilization` |
| `{{label}}` | returns the label returned by the API (only in Metric Search) | `i-01343` |
| `{{namespace}}` | returns the namespace (only in Metric Search) | `AWS/EC2` |
| `{{stat}}` | returns the statistic (only in Metric Search) | `Average` |
| `{{[dimension name]}}` | returns the dimension name (only in Metric Search) | `i-01343` |
## Using the Logs query editor
To query CloudWatch Logs:
1. Select the region and up to 20 log groups which you want to query.
1. Use the main input area to write your query in [CloudWatch Logs Query Language](https://docs.aws.amazon.com/AmazonCloudWatch/latest/logs/CWL_QuerySyntax.html).
You can also write queries returning time series data by using the [`stats` command](https://docs.aws.amazon.com/AmazonCloudWatch/latest/logs/CWL_Insights-Visualizing-Log-Data.html). When making `stats` queries in Explore, you have to make sure you are in Metrics Explore mode.
{{< figure src="/static/img/docs/v70/explore-mode-switcher.png" max-width="500px" class="docs-image--right" caption="Explore mode switcher" >}}
To the right of the query input field is a CloudWatch Logs Insights link that opens the CloudWatch Logs Insights console with your query. You can continue exploration there if necessary.
{{< figure src="/static/img/docs/v70/cloudwatch-logs-deep-linking.png" max-width="500px" class="docs-image--right" caption="CloudWatch Logs deep linking" >}}
### Using template variables
The CloudWatch data source supports use of template variables in queries.
For an introduction to templating and template variables, refer to the [Templating]({{< relref "../../variables/_index.md" >}}) documentation.
### Deep linking from Grafana panels to the CloudWatch console
{{< figure src="/static/img/docs/v70/cloudwatch-logs-deep-linking.png" max-width="500px" class="docs-image--right" caption="CloudWatch Logs deep linking" >}}
If you'd like to view your query in the CloudWatch Logs Insights console, simply click the `CloudWatch Logs Insights` button next to the query editor.
If you're not currently logged in to the CloudWatch console, the link will forward you to the login page. The provided link is valid for any account but will only display the right metrics if you're logged in to the account that corresponds to the selected data source in Grafana.
### Alerting
## Alerting
Since CloudWatch Logs queries can return numeric data, for example through the use of the `stats` command, alerts are supported.
For more information on Grafana alerts, refer to [Alerting]({{< relref "../../alerting/_index.md" >}}) documentation.
## Curated dashboards
## Configure CloudWatch with grafana.ini
The updated CloudWatch data source ships with pre-configured dashboards for five of the most popular AWS services:
The Grafana [configuration]({{< relref "../../administration/configuration.md#aws" >}}) file includes an `AWS` section where you can customize the data source.
- Amazon Elastic Compute Cloud `Amazon EC2`,
- Amazon Elastic Block Store `Amazon EBS`,
- AWS Lambda `AWS Lambda`,
- Amazon CloudWatch Logs `Amazon CloudWatch Logs`, and
- Amazon Relational Database Service `Amazon RDS`.
To import the pre-configured dashboards, go to the configuration page of your CloudWatch data source and click on the `Dashboards` tab. Click `Import` for the dashboard you would like to use. To customize the dashboard, we recommend saving the dashboard under a different name, because otherwise the dashboard will be overwritten when a new version of the dashboard is released.
{{< figure src="/static/img/docs/v65/cloudwatch-dashboard-import.png" caption="CloudWatch dashboard import" >}}
## Templated queries
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.
For an introduction to templating and template variables, refer to the [Templating]({{< relref "../../variables/_index.md" >}}) documentation.
### Query variable
The CloudWatch data source provides the following queries that you can specify in the `Query` field in the Variable edit view. They allow you to fill a variable's options list with things like `region`, `namespaces`, `metric names` and `dimension keys/values`.
In place of `region` you can specify `default` to use the default region configured in the data source for the query,
e.g. `metrics(AWS/DynamoDB, default)` or `dimension_values(default, ..., ..., ...)`.
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).
| Name | Description |
| ----------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `regions()` | Returns a list of all AWS regions |
| `namespaces()` | Returns a list of namespaces CloudWatch support. |
| `metrics(namespace, [region])` | Returns a list of metrics in the namespace. (specify region or use "default" for custom metrics) |
| `dimension_keys(namespace)` | Returns a list of dimension keys in the namespace. |
| `dimension_values(region, namespace, metric, dimension_key, [filters])` | Returns a list of dimension values matching the specified `region`, `namespace`, `metric`, `dimension_key` or you can use dimension `filters` to get more specific result as well. |
| `ebs_volume_ids(region, instance_id)` | Returns a list of volume ids matching the specified `region`, `instance_id`. |
| `ec2_instance_attribute(region, attribute_name, filters)` | Returns a list of attributes matching the specified `region`, `attribute_name`, `filters`. |
| `resource_arns(region, resource_type, tags)` | Returns a list of ARNs matching the specified `region`, `resource_type` and `tags`. |
| `statistics()` | Returns a list of all the standard statistics |
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).
#### Examples templated queries
Example dimension queries which will return list of resources for individual AWS Services:
| Query | Service |
| ----------------------------------------------------------------------------------------------------------------------------- | ---------------- |
| `dimension_values(us-east-1,AWS/ELB,RequestCount,LoadBalancerName)` | ELB |
| `dimension_values(us-east-1,AWS/ElastiCache,CPUUtilization,CacheClusterId)` | ElastiCache |
| `dimension_values(us-east-1,AWS/Redshift,CPUUtilization,ClusterIdentifier)` | RedShift |
| `dimension_values(us-east-1,AWS/RDS,CPUUtilization,DBInstanceIdentifier)` | RDS |
| `dimension_values(us-east-1,AWS/S3,BucketSizeBytes,BucketName)` | S3 |
| `dimension_values(us-east-1,CWAgent,disk_used_percent,device,{"InstanceId":"$instance_id"})` | CloudWatch Agent |
| `resource_arns(eu-west-1,elasticloadbalancing:loadbalancer,{"elasticbeanstalk:environment-name":["myApp-dev","myApp-prod"]})` | ELB |
| `resource_arns(eu-west-1,elasticloadbalancing:loadbalancer,{"Component":["$service"],"Environment":["$environment"]})` | ELB |
| `resource_arns(eu-west-1,ec2:instance,{"elasticbeanstalk:environment-name":["myApp-dev","myApp-prod"]})` | EC2 |
## ec2_instance_attribute examples
### JSON filters
The `ec2_instance_attribute` query takes `filters` in JSON format.
You can specify [pre-defined filters of ec2:DescribeInstances](http://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_DescribeInstances.html).
Note that the actual filtering takes place on Amazon's servers, not in Grafana.
Filters syntax:
```javascript
{ "filter_name1": [ "filter_value1" ], "filter_name2": [ "filter_value2" ] }
```
Example `ec2_instance_attribute()` query
```javascript
ec2_instance_attribute(us - east - 1, InstanceId, { 'tag:Environment': ['production'] });
```
### Selecting attributes
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:
- `AmiLaunchIndex`
- `Architecture`
- `ClientToken`
- `EbsOptimized`
- `EnaSupport`
- `Hypervisor`
- `IamInstanceProfile`
- `ImageId`
- `InstanceId`
- `InstanceLifecycle`
- `InstanceType`
- `KernelId`
- `KeyName`
- `LaunchTime`
- `Platform`
- `PrivateDnsName`
- `PrivateIpAddress`
- `PublicDnsName`
- `PublicIpAddress`
- `RamdiskId`
- `RootDeviceName`
- `RootDeviceType`
- `SourceDestCheck`
- `SpotInstanceRequestId`
- `SriovNetSupport`
- `SubnetId`
- `VirtualizationType`
- `VpcId`
Tags can be selected by prepending the tag name with `Tags.`
Example `ec2_instance_attribute()` query
```javascript
ec2_instance_attribute(us - east - 1, Tags.Name, { 'tag:Team': ['sysops'] });
```
## Using JSON format template variables
Some queries accept filters in JSON format and Grafana supports the conversion of template variables to JSON.
If `env = 'production', 'staging'`, following query will return ARNs of EC2 instances which `Environment` tag is `production` or `staging`.
```javascript
resource_arns(us-east-1, ec2:instance, {"Environment":${env:json}})
```
| Configuration option | Description |
| ------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `allowed_auth_providers` | Specifies which authentication providers are allowed for the CloudWatch data source. The following providers are enabled by default in OSS Grafana: `default` (AWS SDK default), keys (Access and secret key), credentials (Credentials file), ec2_IAM_role (EC2 IAM role). |
| `assume_role_enabled` | Allows you to disable `assume role (ARN)` in the CloudWatch data source. By default, assume role (ARN) is enabled for OSS Grafana. |
| `list_metrics_page_limit` | When a custom namespace is specified in the query editor, the [List Metrics API](https://docs.aws.amazon.com/AmazonCloudWatch/latest/APIReference/API_ListMetrics.html) is used to populate the _Metrics_ field and the _Dimension_ fields. The API is paginated and returns up to 500 results per page. The CloudWatch data source also limits the number of pages to 500. However, you can change this limit using the `list_metrics_page_limit` variable in the [grafana configuration file](https://grafana.com/docs/grafana/latest/administration/configuration/#aws). |
## Pricing
The Amazon CloudWatch data source for Grafana uses the `ListMetrics` and `GetMetricData` CloudWatch API calls to list and retrieve metrics.
Pricing for CloudWatch Logs is based on the amount of data ingested, archived, and analyzed via CloudWatch Logs Insights queries.
Please see the [CloudWatch pricing page](https://aws.amazon.com/cloudwatch/pricing/) for more details.
Every time you pick a dimension in the query editor Grafana will issue a ListMetrics request. Whenever you make a change to the queries in the query editor, one new request to GetMetricData will be issued.
Every time you pick a dimension in the query editor Grafana will issue a ListMetrics request.
Whenever you make a change to the queries in the query editor, one new request to GetMetricData will be issued.
In Grafana version 6.5 or higher, all API requests to GetMetricStatistics have been replaced with calls to GetMetricData to provide better support for CloudWatch metric math and enables the automatic generation of search expressions when using wildcards or disabling the `Match Exact` option. While GetMetricStatistics qualified for the CloudWatch API free tier, this is not the case for GetMetricData calls.
Please note that for Grafana version 6.5 or higher, all API requests to GetMetricStatistics have been replaced with calls to GetMetricData. This change enables better support for CloudWatch metric math and enables the automatic generation of search expressions when using wildcards or disabling the `Match Exact` option. While GetMetricStatistics qualified for the CloudWatch API free tier, this is not the case for GetMetricData calls. For more information, please refer to the [CloudWatch pricing page](https://aws.amazon.com/cloudwatch/pricing/).
For more information, please refer to the [CloudWatch pricing page](https://aws.amazon.com/cloudwatch/pricing/).
## Service quotas
AWS defines quotas, or limits, for resources, actions, and items in your AWS account. Depending on the number of queries in your dashboard and the number of users accessing the dashboard, you may reach the usage limits for various CloudWatch and CloudWatch Logs resources. Note that quotas are defined per account and per region. If you're using multiple regions or have set up more than one CloudWatch data source to query against multiple accounts, you need to request a quota increase for each account and each region in which you hit the limit.
To request a quota increase, visit the [AWS Service Quotas console](https://console.aws.amazon.com/servicequotas/home?r#!/services/monitoring/quotas/L-5E141212).
To request a quota increase, visit the [AWS Service Quotas console](https://console.aws.amazon.com/servicequotas/home?r#!/services/monitoring/quotas/L-5E141212). For more information, refer to the AWS documentation for [Service Quotas](https://docs.aws.amazon.com/servicequotas/latest/userguide/intro.html) and [CloudWatch limits](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/cloudwatch_limits.html).
Please see the AWS documentation for [Service Quotas](https://docs.aws.amazon.com/servicequotas/latest/userguide/intro.html) and [CloudWatch limits](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/cloudwatch_limits.html) for more information.
## Configure the data source with grafana.ini
The Grafana [configuration]({{< relref "../../administration/configuration.md#aws" >}}) file includes an `AWS` section where you can customize the data source.
### allowed_auth_providers
Specify which authentication providers are allowed for the CloudWatch data source. The following providers are enabled by default in OSS Grafana: `default` (AWS SDK default), keys (Access and secret key), credentials (Credentials file), ec2_IAM_role (EC2 IAM role).
### assume_role_enabled
Allows you to disable `assume role (ARN)` in the CloudWatch data source. By default, assume role (ARN) is enabled for OSS Grafana.
### list_metrics_page_limit
When a custom namespace is specified in the query editor, the [List Metrics API](https://docs.aws.amazon.com/AmazonCloudWatch/latest/APIReference/API_ListMetrics.html) is used to populate the _Metrics_ field and the _Dimension_ fields. The API is paginated and returns up to 500 results per page. The CloudWatch data source also limits the number of pages to 500. However, you can change this limit using the `list_metrics_page_limit` variable in the [grafana configuration file](https://grafana.com/docs/grafana/latest/administration/configuration/#aws).
## Configure the data source with provisioning
You can configure the CloudWatch data source by customizing configuration files in Grafana's provisioning system. To know more about provisioning and learn about available configuration options, refer to the [Provisioning Grafana]({{< relref "../../administration/provisioning/#datasources" >}}) topic.
Here are some provisioning examples for this data source.
### Using AWS SDK (default)
```yaml
apiVersion: 1
datasources:
- name: CloudWatch
type: cloudwatch
jsonData:
authType: default
defaultRegion: eu-west-2
```
### Using credentials' profile name (non-default)
```yaml
apiVersion: 1
datasources:
- name: CloudWatch
type: cloudwatch
jsonData:
authType: credentials
defaultRegion: eu-west-2
customMetricsNamespaces: 'CWAgent,CustomNameSpace'
profile: secondary
```
### Using `accessKey` and `secretKey`
```yaml
apiVersion: 1
datasources:
- name: CloudWatch
type: cloudwatch
jsonData:
authType: keys
defaultRegion: eu-west-2
secureJsonData:
accessKey: '<your access key>'
secretKey: '<your secret key>'
```
### Using AWS SDK Default and ARN of IAM Role to Assume
```yaml
apiVersion: 1
datasources:
- name: CloudWatch
type: cloudwatch
jsonData:
authType: default
assumeRoleArn: arn:aws:iam::123456789012:root
defaultRegion: eu-west-2
```
@@ -3,7 +3,7 @@ title = "Authentication"
description = "AWS authentication"
keywords = ["grafana", "aws", "authentication"]
aliases = ["/docs/grafana/latest/datasources/cloudwatch"]
weight = 205
weight = 05
+++
# AWS authentication
@@ -12,6 +12,14 @@ Requests from a Grafana plugin to AWS are made on behalf of an IAM role or an IA
All requests to AWS APIs are performed on the server side by the Grafana backend using the official AWS SDK.
This topic has the following sections:
- [Authentication methods](#authentication-methods)
- [Assuming a role](#assuming-a-role)
- [Endpoint](#endpoint)
- [AWS credentials file](#aws-credentials-file)
- [EKS IAM roles for service accounts](#eks-iam-roles-for-service-accounts)
## Authentication methods
You can use one of the following authentication methods. Currently, `AWS SDK Default`, `Credentials file` and `Access and secret key` are enabled by default in open source Grafana. You can enable/disable them if necessary if you have server configuration access. For more information, refer to [allowed_auth_providers]({{< relref "../../administration/configuration.md#allowed_auth_providers" >}}) documentation.
@@ -36,18 +44,7 @@ If you are assuming a role in another account that was created with an external
## Endpoint
The `Endpoint` field allows you to specify a custom endpoint URL that overrides the default generated endpoint for the CloudWatch API. Leave this field blank if you want to use the default generated endpoint. For more information on why and how to use Service endpoints, refer to the [AWS service endpoints documentation](https://docs.aws.amazon.com/general/latest/gr/rande.html).
## EKS IAM roles for service accounts
The Grafana process in the container runs as user 472 (called "grafana"). When Kubernetes mounts your projected credentials, they will by default only be available to the root user. To allow user 472 to access the credentials (and avoid falling back to the IAM role attached to the EC2 instance), you need to provide a [security context](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/) for your pod.
```yaml
securityContext:
fsGroup: 472
runAsUser: 472
runAsGroup: 472
```
The `Endpoint` field allows you to specify a custom endpoint URL that overrides the default generated endpoint for the AWS service API. Leave this field blank if you want to use the default generated endpoint. For more information on why and how to use Service endpoints, refer to the [AWS service endpoints documentation](https://docs.aws.amazon.com/general/latest/gr/rande.html).
## AWS credentials file
@@ -63,3 +60,14 @@ aws_access_key_id = asdsadasdasdasd
aws_secret_access_key = dasdasdsadasdasdasdsa
region = us-west-2
```
## EKS IAM roles for service accounts
The Grafana process in the container runs as user 472 (called "grafana"). When Kubernetes mounts your projected credentials, they will by default only be available to the root user. To allow user 472 to access the credentials (and avoid falling back to the IAM role attached to the EC2 instance), you need to provide a [security context](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/) for your pod.
```yaml
securityContext:
fsGroup: 472
runAsUser: 472
runAsGroup: 472
```
@@ -0,0 +1,27 @@
+++
title = "Curated CloudWatch dashboards"
description = "Guide for using AWS CloudWatch in Grafana"
keywords = ["grafana", "stackdriver", "google", "guide", "cloud", "monitoring"]
aliases = ["/docs/grafana/latest/datasources/cloudwatch"]
weight = 15
+++
# Curated CloudWatch dashboards
The updated CloudWatch data source ships with pre-configured dashboards for five of the most popular AWS services:
- Amazon Elastic Compute Cloud `Amazon EC2`,
- Amazon Elastic Block Store `Amazon EBS`,
- AWS Lambda `AWS Lambda`,
- Amazon CloudWatch Logs `Amazon CloudWatch Logs`, and
- Amazon Relational Database Service `Amazon RDS`.
To import curatedd dashboards:
1. On the configuration page of your CloudWatch data source, click the **Dashboards** tab.
1. Click **Import** for the dashboard you would like to use.
In case you want to customize a dashboard, we recommend that you save it under a different name. Otherwise the dashboard will be overwritten when a new version of the dashboard is released.
{{< figure src="/static/img/docs/v65/cloudwatch-dashboard-import.png" caption="CloudWatch dashboard import" >}}
@@ -0,0 +1,68 @@
+++
title = "Provision CloudWatch"
description = "Guide for provisioning CloudWatch"
weight = 400
aliases = ["/docs/grafana/latest/datasources/cloudwatch"]
+++
# Provision CloudWatch data source
You can configure the CloudWatch data source by customizing configuration files in Grafana's provisioning system. To know more about provisioning and learn about available configuration options, refer to the [Provisioning Grafana]({{< relref "../../administration/provisioning/#datasources" >}}) topic.
Here are some provisioning examples for this data source.
## Using AWS SDK (default)
```yaml
apiVersion: 1
datasources:
- name: CloudWatch
type: cloudwatch
jsonData:
authType: default
defaultRegion: eu-west-2
```
## Using credentials' profile name (non-default)
```yaml
apiVersion: 1
datasources:
- name: CloudWatch
type: cloudwatch
jsonData:
authType: credentials
defaultRegion: eu-west-2
customMetricsNamespaces: 'CWAgent,CustomNameSpace'
profile: secondary
```
## Using accessKey and secretKey
```yaml
apiVersion: 1
datasources:
- name: CloudWatch
type: cloudwatch
jsonData:
authType: keys
defaultRegion: eu-west-2
secureJsonData:
accessKey: '<your access key>'
secretKey: '<your secret key>'
```
## Using AWS SDK Default and ARN of IAM Role to Assume
```yaml
apiVersion: 1
datasources:
- name: CloudWatch
type: cloudwatch
jsonData:
authType: default
assumeRoleArn: arn:aws:iam::123456789012:root
defaultRegion: eu-west-2
```
@@ -0,0 +1,122 @@
+++
title = "Template variables in CloudWatch query"
description = "Template variables in CloudWatch queryh"
weight = 10
aliases = ["/docs/grafana/latest/datasources/cloudwatch"]
+++
# Using template variables in CloudWatch queries
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.
For an introduction to templating and template variables, refer to the [Templating]({{< relref "../../variables/_index.md" >}}) documentation.
## Query variable
The CloudWatch data source provides the following queries that you can specify in the `Query` field in the Variable edit view. They allow you to fill a variable's options list with things like `region`, `namespaces`, `metric names` and `dimension keys/values`.
In place of `region` you can specify `default` to use the default region configured in the data source for the query,
e.g. `metrics(AWS/DynamoDB, default)` or `dimension_values(default, ..., ..., ...)`.
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).
| Name | Description |
| ----------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `regions()` | Returns a list of all AWS regions |
| `namespaces()` | Returns a list of namespaces CloudWatch support. |
| `metrics(namespace, [region])` | Returns a list of metrics in the namespace. (specify region or use "default" for custom metrics) |
| `dimension_keys(namespace)` | Returns a list of dimension keys in the namespace. |
| `dimension_values(region, namespace, metric, dimension_key, [filters])` | Returns a list of dimension values matching the specified `region`, `namespace`, `metric`, `dimension_key` or you can use dimension `filters` to get more specific result as well. |
| `ebs_volume_ids(region, instance_id)` | Returns a list of volume ids matching the specified `region`, `instance_id`. |
| `ec2_instance_attribute(region, attribute_name, filters)` | Returns a list of attributes matching the specified `region`, `attribute_name`, `filters`. |
| `resource_arns(region, resource_type, tags)` | Returns a list of ARNs matching the specified `region`, `resource_type` and `tags`. |
| `statistics()` | Returns a list of all the standard statistics |
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).
## Example of templated queries
Here is an example of the dimension queries which will return list of resources for individual AWS Services:
| Query | Service |
| ----------------------------------------------------------------------------------------------------------------------------- | ---------------- |
| `dimension_values(us-east-1,AWS/ELB,RequestCount,LoadBalancerName)` | ELB |
| `dimension_values(us-east-1,AWS/ElastiCache,CPUUtilization,CacheClusterId)` | ElastiCache |
| `dimension_values(us-east-1,AWS/Redshift,CPUUtilization,ClusterIdentifier)` | RedShift |
| `dimension_values(us-east-1,AWS/RDS,CPUUtilization,DBInstanceIdentifier)` | RDS |
| `dimension_values(us-east-1,AWS/S3,BucketSizeBytes,BucketName)` | S3 |
| `dimension_values(us-east-1,CWAgent,disk_used_percent,device,{"InstanceId":"$instance_id"})` | CloudWatch Agent |
| `resource_arns(eu-west-1,elasticloadbalancing:loadbalancer,{"elasticbeanstalk:environment-name":["myApp-dev","myApp-prod"]})` | ELB |
| `resource_arns(eu-west-1,elasticloadbalancing:loadbalancer,{"Component":["$service"],"Environment":["$environment"]})` | ELB |
| `resource_arns(eu-west-1,ec2:instance,{"elasticbeanstalk:environment-name":["myApp-dev","myApp-prod"]})` | EC2 |
## Using JSON format template variables
Some queries accept filters in JSON format and Grafana supports the conversion of template variables to JSON.
If `env = 'production', 'staging'`, following query will return ARNs of EC2 instances which `Environment` tag is `production` or `staging`.
```javascript
resource_arns(us-east-1, ec2:instance, {"Environment":${env:json}})
```
## ec2_instance_attribute examples
### JSON filters
The `ec2_instance_attribute` query takes `filters` in JSON format.
You can specify [pre-defined filters of ec2:DescribeInstances](http://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_DescribeInstances.html).
Note that the actual filtering takes place on Amazon's servers, not in Grafana.
Filters syntax:
```javascript
{ "filter_name1": [ "filter_value1" ], "filter_name2": [ "filter_value2" ] }
```
Example `ec2_instance_attribute()` query
```javascript
ec2_instance_attribute(us - east - 1, InstanceId, { 'tag:Environment': ['production'] });
```
### Selecting attributes
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:
- `AmiLaunchIndex`
- `Architecture`
- `ClientToken`
- `EbsOptimized`
- `EnaSupport`
- `Hypervisor`
- `IamInstanceProfile`
- `ImageId`
- `InstanceId`
- `InstanceLifecycle`
- `InstanceType`
- `KernelId`
- `KeyName`
- `LaunchTime`
- `Platform`
- `PrivateDnsName`
- `PrivateIpAddress`
- `PublicDnsName`
- `PublicIpAddress`
- `RamdiskId`
- `RootDeviceName`
- `RootDeviceType`
- `SourceDestCheck`
- `SpotInstanceRequestId`
- `SriovNetSupport`
- `SubnetId`
- `VirtualizationType`
- `VpcId`
Tags can be selected by prepending the tag name with `Tags.`
Example `ec2_instance_attribute()` query
```javascript
ec2_instance_attribute(us - east - 1, Tags.Name, { 'tag:Team': ['sysops'] });
```