v0.42.0

This is release v0.42.0 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

Changes:

Security fixes

• Fixes following vulnerabilities (@ptodev)
  • GHSA-87m9-rv8p-rgmg
  • CVE-2024-35255
  • CVE-2024-6104
  • GHSA-mh55-gqvf-xfwm
  • CVE-2024-24790
  • CVE-2023-45288
  • CVE-2024-24788
  • CVE-2024-24789
  • CVE-2024-24791

Features

• A new otelcol.exporter.debug component for printing OTel telemetry from other otelcol components to the console. (@BarunKGP)

Bugfixes

• Fix an issue which caused the config to be reloaded if a config reload was triggered but the config hasn't changed.
  The bug only affected the "metrics" and "logs" subsystems in Static mode. (@ptodev)

• Fix a bug in Static mode and Flow which prevented config reloads to work if a Loki metrics stage is in the pipeline.
  This resulted in a "failed to unregister all metrics from previous promtail" message. (@ptodev)

Enhancements

• Update to Go 1.22.5. (@ptodev)

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

v0.42.0-rc.0

This is release v0.42.0-rc.0 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

Changes:

Security fixes

• Fixes following vulnerabilities (@ptodev)
  • GHSA-87m9-rv8p-rgmg
  • CVE-2024-35255
  • CVE-2024-6104
  • GHSA-mh55-gqvf-xfwm
  • CVE-2024-24790
  • CVE-2023-45288
  • CVE-2024-24788
  • CVE-2024-24789
  • CVE-2024-24791

Features

• A new otelcol.exporter.debug component for printing OTel telemetry from other otelcol components to the console. (@BarunKGP)

Bugfixes

• Fix an issue which caused the config to be reloaded if a config reload was triggered but the config hasn't changed.
  The bug only affected the "metrics" and "logs" subsystems in Static mode. (@ptodev)

• Fix a bug in Static mode and Flow which prevented config reloads to work if a Loki metrics stage is in the pipeline.
  This resulted in a "failed to unregister all metrics from previous promtail" message. (@ptodev)

Enhancements

• Update to Go 1.22.5. (@ptodev)

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

v0.41.1

This is release v0.41.1 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:

Breaking changes

• Applied OpenTelemetry CVE-2024-36129 fixes. (@mattdurham)
  • Components otelcol.receiver.otlp,otelcol.receiver.zipkin and otelcol.receiver.jaeger setting max_request_body_size
    default changed from unlimited size to 20MiB.

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

v0.41.0

This is release v0.41.0 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:

Breaking changes

• The default listen port for otelcol.receiver.opencensus has changed from
  4317 to 55678 to align with upstream. (@rfratto)

• The default sync interval for mimir.rules.kubernetes has changed from 30s
  to 5m to reduce load on Mimir. (@56quarters)

Features

• A new loki.rules.kubernetes component that discovers PrometheusRule Kubernetes resources and loads them into a Loki Ruler instance. (@EStork09)

• A new snmp_context configuration argument for prometheus.exporter.snmp and the snmp Static mode integration.
  It overrides the context_name parameter in the SNMP configuration file. (@ptodev)

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

v0.40.5

This is release v0.40.5 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:

Breaking changes

• prometheus.exporter.postgres has been updated to the latest upstream
  version which changes the set of exported metrics. (@thampiotr)
  • The following metrics were removed: pg_stat_database_session_time, pg_stat_database_sessions,
    pg_stat_database_sessions_abandoned, pg_stat_database_sessions_fatal,
    pg_stat_database_sessions_killed, pg_stat_database_idle_in_transaction_time,
    pg_stat_database_checksum_failures, pg_stat_database_checksum_last_failure,
    pg_stat_database_active_time.
  • The following metrics were renamed: pg_stat_bgwriter_buffers_alloc, pg_stat_bgwriter_buffers_backend,
    pg_stat_bgwriter_buffers_backend_fsync, pg_stat_bgwriter_buffers_checkpoint,
    pg_stat_bgwriter_buffers_clean, pg_stat_bgwriter_checkpoint_sync_time,
    pg_stat_bgwriter_checkpoint_write_time, pg_stat_bgwriter_checkpoints_req,
    pg_stat_bgwriter_checkpoints_timed, pg_stat_bgwriter_maxwritten_clean,
    pg_stat_bgwriter_stats_reset - the new names include the _total suffix.

Bugfixes

• Fix an issue where the azure exporter was not correctly gathering subscription scoped metrics when only one region was configured (@kgeckhart)

• Fixed an issue where creating a prometheus.exporter.postgres component with
  multiple data_source_names would result in an error. (@thampiotr)

• Fix a bug with the logs pipeline in static mode which prevented it from shutting down cleanly. (@ptodev)

Other changes

• Updating SNMP exporter from v0.24.1 to v0.26.0. (@ptodev)

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

v0.40.4

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

v0.40.3

This is release v0.40.3 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:

Bugfixes

• Fix a bug where structured metadata and parsed field are not passed further in loki.source.api (@marchellodev)

• Change import.git to use Git pulls rather than fetches to fix scenarios where the local code did not get updated. (@mattdurham)

Other changes

• Upgrade to Go 1.22.1 (@thampiotr)

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

v0.40.2

This is release v0.40.2 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:

Bugfixes

• Set permissions on the Grafana Agent [Flow] folder when installing via the windows installer rather than relying on the parent folder permissions. (@erikbaranowski)
• Set restricted viewing permissions on the agent-config.yaml (static mode) or config.river (flow mode) when installing via the Windows installer if the configuration file does not already exist. (@erikbaranowski)
• Fix an issue where the import config node would not run after a config reload. (@wildum)
• Fix an issue where Loki could reject a batch of logs when structured metadata feature is used. (@thampiotr)
• Fix a duplicate metrics registration panic when recreating static mode metric instance's write handler. (@rfratto, @hainenber)

Other changes

• Change the Docker base image for Linux containers to public.ecr.aws/ubuntu/ubuntu:mantic. (@hainenber)

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

v0.40.1

This is release v0.40.1 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:

• Fix an issue where the logging config block would trigger an error when trying to send logs to components that were not running. (@wildum)
• Fix an issue where a custom component might be wired to a local declare instead of an import declare when they have the same label. (@wildum)
• Fix an issue where flow mode panics if the logging config block is given a null Loki receiver to write log entries to. (@rfratto)

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

v0.40.0

This is release v0.40.0 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:

Breaking changes

• Prohibit the configuration of services within modules. (@wildum)

• For otelcol.exporter components, change the default value of disable_high_cardinality_metrics to true. (@ptodev)

• Rename component prometheus.exporter.agent to prometheus.exporter.self to clear up ambiguity. (@hainenber)

Deprecations

• Module components have been deprecated in favor of import and declare configuration blocks. These deprecated components will be removed in the next release. (@wildum)

Features

• Modules have been redesigned to split the import logic from the instantiation.
  You can now define custom components via the declare config block and import modules via import.git, import.http, import.string, import.file. (@wildum)

• A new discovery.process component for discovering Linux OS processes on the current host. (@korniltsev)

• A new pyroscope.java component for profiling Java processes using async-profiler. (@korniltsev)

• A new otelcol.processor.resourcedetection component which inserts resource attributes
  to OTLP telemetry based on the host on which Grafana Agent is running. (@ptodev)

• Expose track_timestamps_staleness on Prometheus scraping, to fix the issue where container metrics live for 5 minutes after the container disappears. (@ptodev)

• Introduce the remotecfg service that enables loading configuration from a
  remote endpoint. (@tpaschalis)

• Add otelcol.connector.host_info component to gather usage metrics for cloud users. (@rlankfo, @jcreixell)

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