[ECOINT-248] Redpanda v2.2.0 (metrics update) (#2812)

* Redpanda: v2.2.0 (metrics update)

* Adding trailing commas to list definitions and object definitions.

* Adding orientations where missing, redefining orientations throughout to not just be -1.

* Updating integration version in README.md for clarity.

* Handling rename of redpanda.schema_registry_latency_seconds to redpanda.schema_registry.latency_seconds in metadata and testing.

* Adding more buckets and some numbers to example histograms.

* Adding cache_disk_total bytes.

* Switching metadata to gauges.

* Fixing WASM memory usage orientation.

* Adding trailing comma for linting.

* Changing long lines to a more compact format.

* Removing six.moves library.

* Updating datadog-checks-base

* Altering mock to match changes in DataDog repo.

* Rewriting description for client pool utilization due to a unicode character issue.

* Fixing metadata.csv missing comma.

* Committing autogenerated changes to conf.yaml.example.

* Committing autogenerated changes to conf.yaml.example.

* Making `histogram_buckets_as_distributions` default to true.

* Changelog section reordering.

* Update redpanda/CHANGELOG.md

Co-authored-by: Dominic Medina <[email protected]>

* Update redpanda/CHANGELOG.md

Co-authored-by: Dominic Medina <[email protected]>

* Fixing controller metrics.

* Re-adding non-existing metric for DD metadata.csv requirement.

* Clearing up controller metrics.

* Removing redpanda_cluster_replicas (non-existent metric) from test fixture.

---------

Co-authored-by: Dominic Medina <[email protected]>

Author: pmw-rp

redpanda/CHANGELOG.md

@@ -1,5 +1,46 @@
 # CHANGELOG - redpanda
 
+## 2.2.0 / 2025-10-21
+
+***Changed***:
+
+* Set `histogram_buckets_as_distributions` to true by default to send histogram buckets as Datadog distribution metrics
+
+***Added***:
+
+* Added new default metrics groups:
+  * Security and TLS
+    * `redpanda.authorization`: +1 metric
+    * `redpanda.security`: +2 metrics
+    * `redpanda.tls`: +5 metrics
+
+* Added new additional metrics groups:
+  * Apache Iceberg integration
+    * `redpanda.iceberg`: +32 metrics
+  * Redpanda Transforms and WASM
+    * `redpanda.transform`: +9 metrics
+    * `redpanda.wasm`: +4 metrics
+  * Debug bundles
+    * `redpanda.debug_bundle`: +4 metrics
+
+* Added new metrics under existing default metrics groups:
+  * `redpanda.application`: +1 metric
+  * `redpanda.cluster`: +5 metrics
+  * `redpanda.rpc`: +2 metrics
+  * `redpanda.kafka`: +8 metrics
+  * `redpanda.raft`: +5 metrics
+  * `redpanda.storage`: +2 metrics
+
+* Added new metrics under existing additional metrics groups:
+  * `redpanda.cloud`: +27 metrics
+  * `redpanda.pandaproxy`: +3 metrics
+  * `redpanda.schemaregistry`: +7 metrics
+
+***Fixed***:
+
+* Typo: `redpanda.schema_registry_latency_seconds` is now `redpanda.schema_registry.latency_seconds`
+* Typo: `redpanda_cloud_client_dowload_backoff` is now `cloud.client_download_backoff`
+
 ## 2.1.1 / 2025-10-17
 
 ***Added***

redpanda/README.md

@@ -17,7 +17,7 @@ Connect Datadog with [Redpanda][1] to view key metrics and add additional metric
 
 #### Host
 
-To configure this check for an Agent running on a host, run `datadog-agent integration install -t datadog-redpanda==<INTEGRATION_VERSION>`.
+To configure this check for an Agent running on a host, run `datadog-agent integration install -t datadog-redpanda==2.2.0`.
 
 <!-- xxz tab xxx -->
 <!-- xxx tab "Containerized" xxx -->
@@ -33,7 +33,7 @@ To build an updated version of the Agent:
 ```dockerfile
 FROM gcr.io/datadoghq/agent:latest
 
-ARG INTEGRATION_VERSION=2.1.0
+ARG INTEGRATION_VERSION=2.2.0
 
 RUN agent integration install -r -t datadog-redpanda==${INTEGRATION_VERSION}
 ```

redpanda/datadog_checks/redpanda/__about__.py

@@ -1 +1 @@
-__version__ = '2.1.0'
+__version__ = '2.2.0'

redpanda/datadog_checks/redpanda/metrics.py

@@ -1,6 +1,5 @@
 from collections import ChainMap
-
-from six.moves.urllib.parse import urlparse
+from urllib.parse import urlparse
 
 from datadog_checks.base import ConfigurationError, OpenMetricsBaseCheckV2
 from datadog_checks.base.checks.openmetrics.v2.scraper import OpenMetricsCompatibilityScraper
@@ -52,6 +51,7 @@ def _parse_config(self):
             'namespace': self.__NAMESPACE__,
             'metrics': metrics,
             'tags': tags,
+            'histogram_buckets_as_distributions': 'true',
             'metadata_label_map': {'version': 'version'},
         }
         config.update(self.instance)