signalfx/splunk-otel-collector-chart splunk-otel-collector-0.137.0

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This Splunk OpenTelemetry Collector for Kubernetes release adopts the Splunk OpenTelemetry Collector v0.137.0.

🛑 Breaking changes 🛑

• agent: Remove signalfx receiver from the default agent configuration (#2120)
  This change affects the metrics pipeline only. Data should be sent to the agent in the OTLP format instead of SignalFx.

💡 Enhancements 💡

• agent: Bind the OTLP HTTP port 4318 to the host network (#2102)
  This change is effective only for Windows nodes, where the port binding was previously missing.
  For Linux nodes, the hostNetwork setting already ensures the port is bound, so no change in behavior should occur for default chart config.
• agent: Configuration changes to support Secure Application features in Splunk Observability Cloud (#2106)
• chart: Move deprecated Istio pod annotation to pod label (#2108)
  The sidecar.istio.io/inject annotation
  has been deprecated in favor of the label
  with the same name.
• clusterReceiver: Enable additional attributes (k8s.kubelet.version) for k8s cluster receiver (#2103)
• clusterReceiver: Added k8s.hpa.scaletargetref.{api_version,kind,name} resource attributes, plus transform logic mapping HPA scaleTargetRef to workload (replicaset/statefulset/deployment) names in the Kubernetes cluster receiver configuration (#2126)
• gateway: Replace access_token_passthrough with include_metadata in the gateway configuration. This change follows the removal of access_token_passthrough from the signalfx receiver and maintains the previous functionality of forwarding the access token. (#2122)
• gateway: Configuration changes to support Secure Application features in Splunk Observability Cloud (#2128)
• operator: Use splunk-otel-instrumentation-python image for auto-instrumentation of Python applications with the operator. (#1965)
  • To use a different image for Python auto-instrumentation, set the configuration option instrumentation.python.image.
• operator: Bump java to v2.20.1 in helm-charts/splunk-otel-collector/values.yaml (#2070)

🧰 Bug fixes 🧰

• agent: Fix agent configuration when metrics are disabled for Splunk O11y Cloud (#2083)
  Some functionality should not be configured for the agent when metrics are disabled,
  as it causes the agent to crash on startup.
• chart: Fix creation of validateSecret image name to use correct image configuration values (#2123)