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