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@grafanabot grafanabot released this 20 Dec 14:48
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v0.30.0
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jcreixell Jorge Creixell
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Learn about vigilant mode.
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Learn about vigilant mode.

This is release v0.30.0 of the Grafana Agent.

Upgrading

Read the upgrade guide for specific instructions on upgrading from older versions.

Notable changes:

Breaking changes

  • The ebpf_exporter integration has been removed due to issues with static
    linking. It may be brought back once these are resolved. (@tpaschalis)

Deprecations

  • The EXPERIMENTAL_ENABLE_FLOW environment variable is deprecated in favor of
    AGENT_MODE=flow. Support for EXPERIMENTAL_ENABLE_FLOW will be removed in
    v0.32. (@rfratto)

Features

  • grafana-agent-operator supports oauth2 as an authentication method for
    remote_write. (@timo-42)

  • Grafana Agent Flow: Add tracing instrumentation and a tracing block to
    forward traces to otelcol component. (@rfratto)

  • Grafana Agent Flow: Add a discovery_target_decode function to decode a JSON
    array of discovery targets corresponding to Prometheus' HTTP and file service
    discovery formats. (@rfratto)

  • New Grafana Agent Flow components:

    • remote.http polls an HTTP URL and exposes the response body as a string
      or secret to other components. (@rfratto)

    • discovery.docker discovers Docker containers from a Docker Engine host.
      (@rfratto)

    • loki.source.file reads and tails files for log entries and forwards them
      to other loki components. (@tpaschalis)

    • loki.write receives log entries from other loki components and sends
      them over to a Loki instance. (@tpaschalis)

    • loki.relabel receives log entries from other loki components and
      rewrites their label set. (@tpaschalis)

    • loki.process receives log entries from other loki components and runs
      one or more processing stages. (@tpaschalis)

    • discovery.file discovers files on the filesystem following glob
      patterns. (@mattdurham)

  • Integrations: Introduce the snowflake integration. (@BinaryFissionGames)

Enhancements

  • Integrations: Always use direct connection in mongodb_exporter integration. (@v-zhuravlev)

  • Update OpenTelemetry Collector dependency to v0.63.1. (@tpaschalis)

  • riverfmt: Permit empty blocks with both curly braces on the same line.
    (@rfratto)

  • riverfmt: Allow function arguments to persist across different lines.
    (@rfratto)

  • Flow: The HTTP server will now start before the Flow controller performs the
    initial load. This allows metrics and pprof data to be collected during the
    first load. (@rfratto)

  • Add support for using a password map file in redis_exporter. (@spartan0x117)

  • Flow: Add support for exemplars in Prometheus component pipelines. (@rfratto)

  • Update Prometheus dependency to v2.40.5. (@rfratto)

  • Update Promtail dependency to k127. (@rfratto)

  • Native histograms are now supported in the static Grafana Agent and in
    prometheus.* Flow components. Native histograms will be automatically
    collected from supported targets. remote_write must be configured to forward
    native histograms from the WAL to the specified endpoints.

  • Flow: metrics generated by upstream OpenTelemetry Collector components are
    now exposed at the /metrics endpoint of Grafana Agent Flow. (@rfratto)

Bugfixes

  • Fix issue where whitespace was being sent as part of password when using a
    password file for redis_exporter. (@spartan0x117)

  • Flow UI: Fix issue where a configuration block referencing a component would
    cause the graph page to fail to load. (@rfratto)

  • Remove duplicate oauth2 key from metricsinstances CRD. (@daper)

  • Fix issue where on checking whether to restart integrations the Integration Manager was comparing
    configs with secret values scrubbed, preventing reloads if only secrets were updated. (@spartan0x117)

Other changes

  • Grafana Agent Flow has graduated from experimental to beta.

Installation:

Grafana Agent is currently distributed in plain binary form, Docker container images, a Windows installer, and a Kubernetes install script. Choose whichever fits your use-case best.

Kubernetes

Install directions here.

Docker container:

docker pull "grafana/agent:v0.30.0"

Windows installer

The Windows installer is provided as a release asset for x64 machines.

Binary

We provide precompiled binary executables for the most common operating systems. Choose from the assets below for your matching operating system.

Note: ppc64le builds are currently considered secondary release targets and do not have the same level of support and testing as other platforms.

Example for the linux operating system on amd64:

# download the binary
curl -O -L "https://github.com/grafana/agent/releases/download/v0.30.0/agent-linux-amd64.zip"

# extract the binary
unzip "agent-linux-amd64.zip"

# make sure it is executable
chmod a+x "agent-linux-amd64"

agentctl

agentctl, a tool for helping you interact with the Agent, is available as a Docker image:

docker pull "grafana/agentctl:v0.30.0"

Or as a binary. Like before, choose the assets below that matches your operating system. For example, with linux on amd64:

# download the binary
curl -O -L "https://github.com/grafana/agent/releases/download/v0.30.0/agentctl-linux-amd64.zip"

# extract the binary
unzip "agentctl-linux-amd64.zip"

# make sure it is executable
chmod a+x "agentctl-linux-amd64"

agent-operator

agent-operator, a Kubernetes Operator for the Grafana Agent, is available only as a Docker image:

docker pull "grafana/agent-operator:v0.30.0"

Contributors

rfratto, mattdurham, and 6 other contributors
Assets 31
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