Ivan Stoiev created FLINK-38946:
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Summary: Update Datadog API endpoint from app.datadoghq to
api.datadoghq
Key: FLINK-38946
URL: https://issues.apache.org/jira/browse/FLINK-38946
Project: Flink
Issue Type: Improvement
Components: Runtime / Metrics
Reporter: Ivan Stoiev
The current implementation of the {{DatadogHttpClient}} in the
{{flink-metrics-datadog}} module uses {{app.datadoghq.com}} (or regional
variants) as the base URL for sending metrics.
Using {{api.datadoghq.com}} is the official supported URL for API-based
integrations, whereas {{app.datadoghq.com}} is a legacy URL for this purpose.
Updating this endpoint provides two significant benefits:
# {*}Official Support{*}: It aligns the Flink integration with Datadog's
supported API host standards. This is particularly relevant for the following
calls:
* *Submit Metrics:*
[{{/api/v1/series}}|https://www.google.com/search?q=https://docs.datadoghq.com/api/latest/metrics/#submit-metrics]
* *Validate API Key:*
[{{/api/v1/validate}}|https://www.google.com/search?q=https://docs.datadoghq.com/api/latest/authentication/#validate-api-key]
# *Private Networking Support:* Many modern cloud networking features, such as
*AWS VPC endpoints (PrivateLink)* and {*}GCP Cloud Private Service Connect{*},
specifically require the use of the {{api.}} endpoint to route traffic
privately. Using {{app.}} prevents these integrations from working in
restricted network environments.
* [AWS PrivateLink
Documentation|https://docs.datadoghq.com/agent/guide/private-link/?tab=crossregionprivatelinkendpoints]
* [GCP Private Service Connect
Documentation|https://docs.datadoghq.com/agent/guide/gcp-private-service-connect/?site=eu]
*Proposed Change:* In {{{}DatadogHttpClient.java{}}}, the base URL should be
updated from: {{[https://app.datadoghq.com/api/v1/series]}} to:
{{[https://api.datadoghq.com/api/v1/series]}}
This change ensures that metric submissions follow the recommended path for
programmatic access and enables compatibility with private connectivity
solutions.
*Affected File:*
{{flink-metrics/flink-metrics-datadog/src/main/java/org/apache/flink/metrics/datadog/DatadogHttpClient.java}}
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