This is release v0.40.4 of Grafana Agent.

Upgrading

Read the relevant upgrade guides for specific instructions on upgrading from older versions:

• Static mode upgrade guide
• Static mode Kubernetes operator upgrade guide
• Flow mode upgrade guide

Notable changes:

Security fixes

• Fixes following vulnerabilities (@ptodev)
  • CVE-2024-27304
  • CVE-2024-27289
  • CVE-2024-28180
  • CVE-2024-24786

Enhancements

• Update prometheus.exporter.kafka with the following functionalities (@wildum):

  • GSSAPI config
  • enable/disable PA_FX_FAST
  • set a TLS server name
  • show the offset/lag for all consumer group or only the connected ones
  • set the minimum number of topics to monitor
  • enable/disable auto-creation of requested topics if they don't already exist
  • regex to exclude topics / groups
  • added metric kafka_broker_info

• In prometheus.exporter.kafka, the interpolation table used to compute estimated lag metrics is now pruned on metadata_refresh_interval instead of prune_interval_seconds. (@wildum)

Bugfixes

• Update gcp_exporter to a newer version with a patch for incorrect delta histograms (@kgeckhart)

For a full list of changes, please refer to the CHANGELOG!

Installation

Refer to our installation guides for how to install the variants of Grafana Agent:

• Install static mode
• Install the static mode Kubernetes operator
• Install flow mode