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| Original file line number | Diff line number | Diff line change |
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| +++ | ||
| title = "Dynatrace" | ||
| availability = "2.15+" | ||
| maintainer = "Community" | ||
| category = "Metrics" | ||
| description = "Scale applications based on Dynatrace metric data points" | ||
| go_file = "dynatrace_scaler" | ||
| +++ | ||
|
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| ### Trigger Specification | ||
|
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| This specification describes the `dynatrace` trigger that scales based on Dynatrace metric data points. | ||
|
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| ```yaml | ||
| triggers: | ||
| - type: dynatrace | ||
| metadata: | ||
| host: https://dummy-instance.live.dynatrace.com/ | ||
| metricSelector: 'MyCustomEvent:filter(eq("someProperty","someValue")):count:splitBy("dt.entity.process_group"):fold' | ||
| # Optional | ||
| from: now-2d | ||
| threshold: "10" | ||
| # Optional | ||
| activationThreshold: "5" | ||
| ``` | ||
| **Parameter list:** | ||
| - `host` - The Dynatrace instance to query against | ||
| - `metricSelector` - The metric selector query and any transformations that should be applied to it ([transformations docs](https://docs.dynatrace.com/docs/dynatrace-api/environment-api/metric-v2/metric-selector)). | ||
|
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| Some relevant aspects: | ||
| - The selector should focus on a **single metric and dimension**: if multiple are found, a warning is issued and only the first one is considered | ||
| - The metric data points should be aggregated to produce a single output value (e.g., using the [fold transformation](https://docs.dynatrace.com/docs/shortlink/api-metrics-v2-selector#fold)): if multiple values are found, only the first one is considered | ||
| - If you need to use the entity selector, do it through the `:filter` transformation in the metric selector | ||
| - `from` - How far back the metric selector should consider when fetching data points. [syntax supported](https://docs.dynatrace.com/docs/dynatrace-api/environment-api/metric-v2/get-data-points#parameters). (Optional, default `now-2h`, i.e., the last 2 hours) | ||
| - `threshold` - A threshold that is used as the `targetValue` or `targetAverageValue` (depending on the trigger metric type) in the HPA configuration. (This value can be a float) | ||
| - `activationThreshold` - Target value for activating the scaler. Learn more about activation [here](./../concepts/scaling-deployments.md#activating-and-scaling-thresholds). (Optional, default `0`, can be a float) | ||
|
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| ### Authentication Parameters | ||
|
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| You can use `TriggerAuthentication` CRD to configure authentication the `host` and `token` parameters. | ||
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| **Authentication:** | ||
|
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| - `host` - The Dynatrace instance to query against | ||
| - `token` - The API key that will be leveraged to connect to Dynatrace and make requests ([official documentation](https://docs.dynatrace.com/docs/dynatrace-api/basics/dynatrace-api-authentication)). Requires the `metrics.read` scope | ||
|
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| ### Example | ||
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| ```yaml | ||
| apiVersion: v1 | ||
| kind: Secret | ||
| metadata: | ||
| name: dynatrace-secret | ||
| namespace: my-project | ||
| type: Opaque | ||
| data: | ||
| host: aHR0cHM6Ly9kdW1teS1pbnN0YW5jZS5saXZlLmR5bmF0cmFjZS5jb20vCg== # base64 encoding of https://dummy-instance.live.dynatrace.com/ | ||
| token: ZHQwczAxLlNUMkVZNzJLUUlOTUg1NzRXTU5WSTdZTi5HM0RGUEJFSllNT0RJREFFWDQ1NE03WVdCVVZFRk9XS1BSVk1XRkFTUzY0TkZINTJQWDZCTkRWRkZNNTcyUlpNCg== # base64 encoding of the dynatrace example api key dt0s01.ST2EY72KQINMH574WMNVI7YN.G3DFPBEJYMODIDAEX454M7YWBUVEFOWKPRVMWFASS64NFH52PX6BNDVFFM572RZM | ||
| --- | ||
| apiVersion: keda.sh/v1alpha1 | ||
| kind: TriggerAuthentication | ||
| metadata: | ||
| name: keda-trigger-auth-dynatrace | ||
| namespace: my-project | ||
| spec: | ||
| secretTargetRef: | ||
| - parameter: token | ||
| name: dynatrace-secret | ||
| key: token | ||
| - parameter: host | ||
| name: dynatrace-secret | ||
| key: host | ||
| --- | ||
| apiVersion: keda.sh/v1alpha1 | ||
| kind: ScaledObject | ||
| metadata: | ||
| name: dynatrace-scaledobject | ||
| namespace: keda | ||
| spec: | ||
| maxReplicaCount: 12 | ||
| scaleTargetRef: | ||
| name: dummy | ||
| triggers: | ||
| - type: dynatrace | ||
| metadata: | ||
| metricSelector: 'MyCustomEvent:filter(eq("someProperty","someValue")):count:splitBy("dt.entity.process_group"):fold' | ||
| from: 'now-30m' | ||
| threshold: '1000' | ||
| authenticationRef: | ||
| name: keda-trigger-auth-dynatrace | ||
| ``` |
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