github DataDog/datadog-agent 7.45.0
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latest releases: 7.57.1-beta-no-agent6, 6.57.0-installer-0.4.10, 7.57.0-installer-0.4.10...
15 months ago

Agent

Prelude

Release on: 2023-06-05

New Features

  • Add Topology data collection with CDP.
  • APM: Addition of configuration to add peer.service to trace stats exported by the Agent.
  • APM: Addition of configuration to compute trace stats on spans based on their span.kind value.
  • APM: Added a new endpoint in the trace-agent API /symdb/v1/input that acts as a reverse proxy forwarding requests to Datadog. The feature using this is currently in development.
  • Add support for confluent-kafka.
  • Add support for XCCDF benchmarks in CSPM. A new configuration option, 'compliance_config.xccdf.enabled', disabled by default, has been added for enabling XCCDF benchmarks.
  • Add arguments to module load events
  • Oracle DBM monitoring with activity sampling. The collected samples form the foundation for database load profiling. With Datadog GUI, samples can be aggregated and filtered to identify bottlenecks.
  • Add reporting of container.{cpu|memory|io}.partial_stall metrics based on PSI Some values when host is running with cgroupv2 enabled (Linux only). This metric provides the wall time (in nanoseconds) during which at least one task in the container has been stalled on the given resource.
  • Adding a new option secret_backend_remove_trailing_line_break to remove trailing line breaks from secrets returned by secret_backend_command. This makes it easier to use secret management tools that automatically add a line break when exporting secrets through files.

Enhancement Notes

  • Cluster Agent: User config, cluster Agent deployment and node Agent daemonset manifests are now added to the flare archive, when the Cluster Agent is deployed with Helm (version 3.23.0+).

  • Datadog Agent running as a systemd service can optionally read environment variables from a text file /etc/datadog-agent/environment containing newline-separated variable assignments. See https://www.freedesktop.org/software/systemd/man/systemd.exec.html#Environment

  • Add ability to filter kubernetes containers based on autodiscovery annotation. Containers in a pod can now be omitted by setting ad.datadoghq.com/<container_name>.exclude as an annotation on the pod. Logs can now be ommitted by setting ad.datadoghq.com/<container_name>.logs_exclude as an annotation on the pod.

  • Added support for custom resource definitions metrics: crd.count and crd.condition.

    • Remove BadgerDB cache for Trivy.
    • Add new custom LRU cache for Trivy backed by BoltDB and parametrized by:
    • Periodically delete unused entries from the custom cache.
    • Add telemetry metrics to monitor the cache:
      • sbom.cached_keys: Number of cache keys stored in memory
      • sbom.cache_disk_size: Total size, in bytes, of the database as reported by BoltDB.
      • sbom.cached_objects_size: Total size, in bytes, of cached SBOM objects on disk. Limited by sbom.custom_cache_max_disk_size.
      • sbom.cache_hits_total: Total number of cache hits.
      • sbom.cache_misses_total: Total number of cache misses.
      • sbom.cache_evicts_total: Total number of cache evicts.

  • Added DD_ENV to the SBOMPayload in the SBOM check.

  • Added kubernetes_state.hpa.status_target_metric and kubernetes_state.deployment.replicas_ready metrics part of the kubernetes_state_core check.

  • Add support for emitting resources on metrics from tags in the format dd.internal.resource:type,name.

  • APM: Dynamic instrumentation logs and snapshots can now be shipped to multiple Datadog logs intakes.

  • Adds support for OpenTelemetry span links to the Trace Agent OTLP endpoint when converting OTLP spans (span links are added as metadata to the converted span).

  • Agents are now built with Go 1.19.9.

  • Make Podman DB path configurable for rootless environment. Now we can set $HOME/.local/share/containers/storage/libpod/bolt_state.db.

  • Add ownership information for containers to the container-lifecycle check.

  • Add Pod exit timestamp to container-lifecycle check.

  • The Agent now uses the ec2_metadata_timeout value when fetching EC2 instance tags with AWS SDK. The Agent fetches instance tags when collect_ec2_tags is set to true.

  • Upgraded JMXFetch to 0.47.8 which has improvements aimed to help large metric collections drop fewer payloads.

  • Kubernetes State Metrics Core: Adds collection of Kubernetes APIServices metrics

  • Add support for URLs with the http|https scheme in the dd_url or logs_dd_url parameters when configuring endpoints. Also automatically detects SSL needs, based on the scheme when it is present.

  • [pkg/netflow] Add NetFlow Exporter to NDM Metadata.

  • SUSE RPMs are now built with RPM 4.14.3 and have SHA256 digest headers.

  • observability_pipelines_worker can now be used in place of the vector config options.

  • Add an option and an annotation to skip kube_service tags on Kubernetes pods.

    When the selector of a service matches a pod and that pod is ready, its metrics are decorated with a kube_service tag.

    When the readiness of a pod flips, so does the kube_service tag. This could create visual artifacts (spikes when the tag flips) on dashboards where the queries are missing .fill(null).

    If many services target a pod, the total number of tags attached to its metrics might exceed a limit that causes the whole metric to be discarded.

    In order to mitigate these two issues, it’s now possible to set the kubernetes_ad_tags_disabled parameter to kube_config to globally remove the kube_service tags on all pods:: kubernetes_ad_tags_disabled

    • kube_service

    It’s also possible to add a tags.datadoghq.com/disable: kube_service annotation on only the pods for which we want to remove the kube_service tag.

    Note that kube_service is the only tag that can be removed via this parameter and this annotation.

  • Support OTel semconv 1.17.0 in OTLP ingest endpoint.

  • When otlp_config.metrics.histograms.send_aggregation_metrics is set to true, the OTLP ingest pipeline will now send min and max metrics for delta OTLP Histograms and OTLP Exponential Histograms when available, in addition to count and sum metrics.

    The deprecated option otlp_config.metrics.histograms.send_count_sum_metrics now also sends min and max metrics when available.

  • OTLP: Use minimum and maximum values from cumulative OTLP Histograms. Values are used only when we can assume they are from the last time window or otherwise to clamp estimates.

  • The OTLP ingest endpoint now supports the same settings and protocol as the OpenTelemetry Collector OTLP receiver v0.75.0.

  • Secrets with ENC[] notation are now supported for proxy setting from environment variables. For more information you can refer to our [Secrets Management](https://docs.datadoghq.com/agent/guide/secrets-management/) and [Agent Proxy Configuration](https://docs.datadoghq.com/agent/proxy/) documentations.

  • [corechecks/snmp] Adds ability to send constant metrics in SNMP profiles.

  • [corechecks/snmp] Adds ability to map metric tag value to string in SNMP profiles.

  • [corechecks/snmp] Add support to format bytes into ip_address

Deprecation Notes

  • APM OTLP: Field UsePreviewHostnameLogic is deprecated, and usage of this field has been removed. This is done in preparation to graduate the exporter.datadog.hostname.preview feature gate to stable.
  • The Windows Installer NPM feature option, used in ADDLOCAL=NPM and REMOVE=NPM, no longer controls the install state of NPM components. The NPM components are now always installed, but will only run when enabled in the agent configuration. The Windows Installer NPM feature option still exists for backwards compatability purposes, but has no effect.
  • Deprecate otlp_config.metrics.histograms.send_count_sum_metrics in favor of otlp_config.metrics.histograms.send_aggregation_metrics.
  • Removed the --info flag in the Process Agent, which has been replaced by the status command since 7.35.

Security Notes

  • Handle the return value of Close() for writable files in pkg/forwarder
  • Fixes cwe 703. Handle the return value of Close() for writable files and forces writes to disks in system-probe

Bug Fixes

  • APM: Setting apm_config.receiver_port: 0 now allows enabling UNIX Socket or Windows Pipes listeners.
  • APM: OTLP: Ensure that container tags are set globally on the payload so that they can be picked up as primary tags in the app.
  • APM: Fixes a bug with how stats are calculated when using single span sampling along with other sampling configurations.
  • APM: Fixed the issue where not all trace stats are flushed on trace-agent shutdown.
  • Fix an issue on the pod collection where the cluster name would not be consistently RFC1123 compliant.
  • Make the agent able to detect it is running on ECS EC2, even with a host install, i.e. when the agent isn’t deployed as an ECS task.
  • Fix missing case-sensitive version of the device tag on the system.disk group of metrics.
  • The help output of the Agent command now correctly displays the executable name on Windows.
  • Fix resource requirements detection for containers without any request and limit set.
  • The KSM core check now correctly handles labels and annotations with uppercase letters defined in the "labels_as_tags" and "annotations_as_tags" config attributes.
  • Fixes issue where trace data drops in OTLP ingest by adding batch processor for traces, and increases the grpc message limit
  • [pkg/netflow] Rename payload device.ip to exporter.ip
  • Fixes an issue in the process agent where in rare scenarios, negative CPU usage percentages would be reported for processes.
  • When a pod was annotated with prometheus.io/scrape: true, the Agent used to schedule one openmetrics check per container in the pod unless a datadog.prometheusScrape.additionalConfigs[].autodiscovery.kubernetes_container_names list was defined, which restricted the potential container targets. The Agent is now able to leverage the prometheus.io/port annotation to schedule an openmetrics check only on the container of the pod that declares that port in its spec.
  • Fixing an issue with Prometheus scrape feature when service_endpoints option is used where endpoint updates were missed by the Agent, causing checks to not be scheduled on endpoints created after Agent start.
  • On Windows, when using USM, fixes tracking of connections made via localhost.

Datadog Cluster Agent

Enhancement Notes

  • Add "active" tag on the telemetry datadog.cluster_agent.external_metrics.datadog_metrics tag. The label active is true if DatadogMetrics CR is used, false otherwise.
  • Library injection via Admission Controller: Allow configuring the CPU and Memory requests/limits for library init containers.
  • Validate the orchestration config provided by the user.

Bug Fixes

  • Fix the admission controller in socket mode for pods with init containers.
  • Fix resource requirements detection for containers without any request and limit set.
  • The KSM core check now correctly handles labels and annotations with uppercase letters defined in the "labels_as_tags" and "annotations_as_tags" config attributes.
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