feat: Confluent Cloud OTeL metrics

other-examples/confluentcloud/.gitignore

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+*.env

other-examples/confluentcloud/README.md

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+# Confluent Cloud OTeL metrics example setup
+
+This example shows a setup for running a docker OTeL collector to scrape metrics from Confluent Cloud and post them the New Relic OTeL Collector Endpoint.
+
+
+
+To run the example, set the environment variables and run `docker compose up`:
+
+```shell
+export NEW_RELIC_API_KEY=<your_api_key>
+export NEW_RELIC_OTLP_ENDPOINT=https://otlp.nr-data.net
+export CONFLUENT_API_ID=<your_api_id>
+export CONFLUENT_API_SECRET=<your_api_secret>
+export CLUSTER_ID=<your_cluster_id>
+export CLUSTER_API_KEY=<your_cluster_api_key>
+export CLUSTER_API_SECRET=<your_cluster_api_secret>
+export CLUSTER_BOOTSTRAP_SERVER=<your_cluster_bootstrap_server>
+
+docker compose up
+```
+</br>
+
+# Local Variable information
+
+| Variable | Description | Docs |
+| -------- | ----------- | ---- |
+| **NEW_RELIC_API_KEY** |New Relic Ingest API Key |[API Key docs](https://docs.newrelic.com/docs/apis/intro-apis/new-relic-api-keys/) | 
+| **NEW_RELIC_OTLP_ENDPOINT** | OTLP endpoint is https://otlp.nr-data.net | [OTLP endpoint config docs](https://docs.newrelic.com/docs/more-integrations/open-source-telemetry-integrations/opentelemetry/get-started/opentelemetry-set-up-your-app/#review-settings) |
+| **CONFLUENT_API_ID** |Confluent Cloud API key| [Cloud api-key confluent docs](https://docs.confluent.io/cloud/current/monitoring/metrics-api.html#metrics-quick-start) |
+| **CONFLUENT_API_SECRET** | Confluent Cloud API secret key | [Cloud api-key confluent docs](https://docs.confluent.io/cloud/current/monitoring/metrics-api.html#metrics-quick-start) |
+| **CLUSTER_ID** | ID of cluster from Confluent Cloud | Available in your cluster settings |
+| **CLUSTER_API_KEY** | Resource API key for your Confluent cluster |[Resource API key docs](https://docs.confluent.io/cloud/current/access-management/authenticate/api-keys/api-keys.html#create-a-resource-api-key) |
+| **CLUSTER_API_SECRET**| Resource API secret key from your Confluent cluster| [Resource API key docs](https://docs.confluent.io/cloud/current/access-management/authenticate/api-keys/api-keys.html#create-a-resource-api-key) |
+| **CLUSTER_BOOTSTRAP_SERVER** | Bootstrap Server for cluster | Available in your cluster settings |
+
+</br>
+
+# Notes
+
+ For more information on setting up this OTeL collector for Confluent Metrics, check out our [documentation](https://docs.newrelic.com/docs/more-integrations/open-source-telemetry-integrations/opentelemetry/collector/collector-configuration-examples/opentelemetry-collector-kafka-confluentcloud/).

other-examples/confluentcloud/collector.yaml

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+receivers:
+  kafkametrics:
+    brokers:
+      - $CLUSTER_BOOTSTRAP_SERVER
+    protocol_version: 2.0.0
+    scrapers:
+      - brokers
+      - topics
+      - consumers
+    auth:
+      sasl:
+        username: $CLUSTER_API_KEY
+        password: $CLUSTER_API_SECRET
+        mechanism: PLAIN
+      tls:
+        insecure_skip_verify: false
+    collection_interval: 30s
+
+
+  prometheus:
+    config:
+      scrape_configs:
+        - job_name: "confluent"
+          scrape_interval: 60s # Do not go any lower than this or you'll hit rate limits
+          static_configs:
+            - targets: ["api.telemetry.confluent.cloud"]
+          scheme: https
+          basic_auth:
+            username: $CONFLUENT_API_ID
+            password: $CONFLUENT_API_SECRET
+          metrics_path: /v2/metrics/cloud/export
+          params:
+            "resource.kafka.id":
+              - $CLUSTER_ID
+exporters:
+  otlp:
+    endpoint: $NEW_RELIC_OTLP_ENDPOINT
+    headers:
+      api-key: $NEW_RELIC_API_KEY
+processors:
+  batch:
+  memory_limiter:
+    limit_mib: 400
+    spike_limit_mib: 100
+    check_interval: 5s
+service:
+  telemetry:
+    logs:
+  pipelines:
+    metrics:
+      receivers: [prometheus]
+      processors: [batch]
+      exporters: [otlp]
+    metrics/kafka:
+      receivers: [kafkametrics]
+      processors: [batch]
+      exporters: [otlp]

other-examples/confluentcloud/docker-compose.yaml

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+version: "3.6"
+
+services:
+
+  otel-collector:
+    image: otel/opentelemetry-collector-contrib:latest
+    command: --config=/etc/otelcol/config.yaml
+    volumes:
+      - ./collector.yaml:/etc/otelcol/config.yaml
+    environment:
+      - NEW_RELIC_OTLP_ENDPOINT
+      - NEW_RELIC_API_KEY
+      - CLUSTER_BOOTSTRAP_SERVER
+      - CLUSTER_API_KEY
+      - CLUSTER_API_SECRET
+      - CONFLUENT_API_ID
+      - CONFLUENT_API_SECRET
+      - CLUSTER_ID
+