v0.51.0

Images and binaries here: https://github.com/open-telemetry/opentelemetry-collector-releases/releases/tag/v0.51.0

🛑 Breaking changes 🛑

• datadogexporter: Replace HistogramMode defined as string with enum. (#9589)
• pkg/translator/signalfx: Change signalfx translator to expose To/From translator structs. (#9740)
• transformprocessor: Add parameter validation to truncate_all and limit functions. The limit parameter can no longer be negative. (#9783)
• newrelicexporter deleted. Use New Relic native OTLP ingest instead. (#9894)
• k8sclusterreceiver: Removing ClusterName as per kubernetes/apimachinery@430b920. (#9885)

🚩 Deprecations 🚩

• exporter/azuremonitor: Deprecate use of LogRecord.Name as the log envelope category name. There is no replacement. (#9258)
• processor/k8sattributes: Deprecate use of k8s.cluster.name metadata parameter (obsolete) (#9968)

🚀 New components 🚀

• schemaprocessor: Starting the initial work to allow from translating from semantic convention to another (#8371)
• saphanareceiver: Added implementation of SAP HANA Metric Receiver (#8827)
• logstransformprocessor: Add implementation of Logs Transform Processor (#9335)

💡 Enhancements 💡

• cmd/mdatagen: Replace enum attributes values with typed constants (#9683)
• elasticsearchreceiver: Update metrics scope name from otelcol/elasticsearch
  to otelcol/elasticsearchreceiver (#9757)
• k8sclusterreceiver: Validate that k8s API supports a resource before setting up a watcher for it (#9523)
• internal/stanza: Add support for remove operator (#9524)
• k8sattributesprocessor: Support regex capture groups in tag_name (#9525)
• mongoreceiver: Update metrics scope name from otelcol/mongodb to otelcol/mongodbreceiver (#9759)
• transformprocessor: Add new truncation function to allow truncating string values in maps such as attributes or resource.attributes (#9546)
• datadogexporter: Add api.fail_on_invalid_key to fail fast if api key is invalid (#9426)
• transformprocessor: Add support for functions to validate parameters (#9563)
• googlecloudexporter: Add GCP cloud logging exporter (#9679)
• transformprocessor: Add new limit function to allow limiting the number of items in a map, such as the number of attributes in attributes or resource.attributes (#9552)
• processor/attributes: Support attributes set by server authenticator (#9420)
• datadogexporter: Experimental support for Exponential Histograms with delta aggregation temporality (#8350)

🧰 Bug fixes 🧰

• k8sclusterreceiver: Fix the receiver to work with 1.19 and 1.20 k8s API versions (#9523)
• azuremonitorexporter: Fix log exporter bug related to incorrectly mapping SpanId (#9579)
• mysqlreceiver: Fix attribute values mismatch with its definition (#9688)
• opencensusreceiver: Do not report fatal error if err is server closed (#9559).
• sqlserverreceiver: Fix the receiver to have integer types on metrics where applicable (#9601)
• prometheusreceiver: Fix the memory issue introduced in the 0.49.0 release (#9718)
• couchdbreceiver: Fix issue where the receiver would not respect custom metric settings (#9598)
• nginxreceiver: Include nginxreceiver in components (#9572)
• pkg/translator/prometheusremotewrite: Fix data race when used with other exporters (#9736)
• examples/demo: fix baggage not work in trace demo app. (#9418)
• prometheusreceiver: Handle the condition where up metric value is NaN (#9253)
• tanzuobservabilityexporter: Make metrics stanza in config be optional (#9098)
• filelogreceiver: Update Kubernetes examples to fix native OTel logs collection issue where 0 length logs cause errors (#9754)
• logstransformprocessor: Resolve node ordering to fix intermittent failures (#9761)
• awsinsightreceiver: Migrate from ConfigMapsResourceLock to ConfigMapsLeasesResourceLock as per kubernetes/client-go@276ea3e (#9885)
• filelog, journald, syslog, tcplog, udplog: Add support for []string type for converting log record entries (#9887)