Mark the elasticinframetrics processor as deprecated and schedule for removal (#8659)

* Mark elasticinframetrics processor as deprecated.

It will be removed in 9.2.0.

* Add changelog.

Author: cmacknz

changelog/fragments/1750781638-Deprecate-the-elasticinframetrics-processor.yaml

@@ -0,0 +1,32 @@
+# Kind can be one of:
+# - breaking-change: a change to previously-documented behavior
+# - deprecation: functionality that is being removed in a later release
+# - bug-fix: fixes a problem in a previous version
+# - enhancement: extends functionality but does not break or fix existing behavior
+# - feature: new functionality
+# - known-issue: problems that we are aware of in a given version
+# - security: impacts on the security of a product or a user’s deployment.
+# - upgrade: important information for someone upgrading from a prior version
+# - other: does not fit into any of the other categories
+kind: deprecation
+
+# Change summary; a 80ish characters long description of the change.
+summary: Deprecate the elasticinframetrics processor. It will be removed in 9.2.0.
+
+# Long description; in case the summary is not enough to describe the change
+# this field accommodate a description without length limits.
+# NOTE: This field will be rendered only for breaking-change and known-issue kinds at the moment.
+#description:
+
+# Affected component; usually one of "elastic-agent", "fleet-server", "filebeat", "metricbeat", "auditbeat", "all", etc.
+component: "edot"
+
+# PR URL; optional; the PR number that added the changeset.
+# If not present is automatically filled by the tooling finding the PR where this changelog fragment has been added.
+# NOTE: the tooling supports backports, so it's able to fill the original PR number instead of the backport PR number.
+# Please provide it if you are adding a fragment for a different PR.
+pr: https://github.com/elastic/elastic-agent/pull/8659
+
+# Issue URL; optional; the GitHub issue related to this changeset (either closes or is part of).
+# If not present is automatically filled by the tooling with the issue linked to the PR number.
+#issue: https://github.com/owner/repo/1234

deploy/helm/edot-collector/kube-stack/README.md

@@ -33,7 +33,7 @@ The Cluster Deployment collector handles the following data:
 The OpenTelemetry components deployed within the `Gateway` Deployment collectors focus on processing and exporting OTLP data to Elasticsearch. Processing components:
 
 - [Elastic Trace processor](https://github.com/elastic/opentelemetry-collector-components/tree/main/processor/elastictraceprocessor): The processor enriches traces with elastic specific requirements. It uses opentelemetry-lib to perform the actual enrichments.
-- [Elastic Infra Metrics processor](https://github.com/elastic/opentelemetry-collector-components/tree/main/processor/elasticinframetricsprocessor): The Elastic Infra Metrics Processor is used to bridge the gap between OTEL and Elastic Infra Metrics.
+- DEPRECATED: [Elastic Infra Metrics processor](https://github.com/elastic/opentelemetry-collector-components/tree/main/processor/elasticinframetricsprocessor): The Elastic Infra Metrics Processor is used to bridge the gap between OTEL and Elastic Infra Metrics. This processor is deprecated and will be removed in 9.2.0.
 - [Elastic APM connector](https://github.com/elastic/opentelemetry-collector-components/tree/main/connector/elasticapmconnector): The Elastic APM connector produces aggregated Elastic APM-specific metrics from all telemetry signals.
 
 ### Auto-instrumentation

deploy/helm/edot-collector/kube-stack/values.yaml

@@ -535,6 +535,7 @@ collectors:
               endpoint: ${env:MY_POD_IP}:4318
       processors:
         # [Elastic Infra Metrics Processor](https://github.com/elastic/opentelemetry-collector-components/tree/main/processor/elasticinframetricsprocessor)
+        # DEPRECATED: The elasticinframetrics processor is deprecated and will be removed in 9.2.0.
         elasticinframetrics:
           add_system_metrics: true
           add_k8s_metrics: true

internal/pkg/otel/samples/darwin/logs_metrics_traces.yml

@@ -49,6 +49,7 @@ connectors:
   elasticapm:
 
 processors:
+  # DEPRECATED: The elasticinframetrics processor is deprecated and will be removed in 9.2.0.
   elasticinframetrics:
   resourcedetection:
     detectors: ["system"]

internal/pkg/otel/samples/darwin/platformlogs_hostmetrics.yml

@@ -40,6 +40,7 @@ extensions:
     directory: ${env:STORAGE_DIR}
 
 processors:
+  # DEPRECATED: The elasticinframetrics processor is deprecated and will be removed in 9.2.0.
   elasticinframetrics:
   resourcedetection:
     detectors: ["system"]

internal/pkg/otel/samples/linux/gateway.yml

@@ -20,6 +20,7 @@ connectors:
   elasticapm: {} # Elastic APM Connector
 
 processors:
+  # DEPRECATED: The elasticinframetrics processor is deprecated and will be removed in 9.2.0.
   elasticinframetrics:
     add_system_metrics: true
     drop_original: true

internal/pkg/otel/samples/linux/logs_metrics_traces.yml

@@ -56,6 +56,7 @@ connectors:
   elasticapm:
 
 processors:
+  # DEPRECATED: The elasticinframetrics processor is deprecated and will be removed in 9.2.0.
   elasticinframetrics:
   resourcedetection:
     detectors: ["system"]

internal/pkg/otel/samples/linux/platformlogs_hostmetrics.yml

@@ -47,6 +47,7 @@ extensions:
     directory: ${env:STORAGE_DIR}
 
 processors:
+  # DEPRECATED: The elasticinframetrics processor is deprecated and will be removed in 9.2.0.
   elasticinframetrics:
   resourcedetection:
     detectors: ["system"]