v1.5.0-rc.1

This is a release candidate v1.5.0-rc.1 of Grafana Alloy.

Upgrading

Read the release notes for specific instructions on upgrading from older versions:

Notable changes:

Breaking changes

• import.git: The default value for revision has changed from HEAD to main. (@ptodev)
  It is no longer allowed to set revision to "HEAD", "FETCH_HEAD", "ORIG_HEAD", "MERGE_HEAD", or "CHERRY_PICK_HEAD".

• The Otel update to v0.112.0 has a few breaking changes:

  • [otelcol.processor.deltatocumulative] Change max_streams default value to 9223372036854775807 (max int).
    open-telemetry/opentelemetry-collector-contrib#35048
  • [otelcol.connector.spanmetrics] Change namespace default value to traces.span.metrics.
    open-telemetry/opentelemetry-collector-contrib#34485
  • [otelcol.exporter.logging] Removed in favor of the otelcol.exporter.debug.
    open-telemetry/opentelemetry-collector#11337

Features

• Add the function path_join to the stdlib. (@wildum)

• Add pyroscope.receive_http component to receive and forward Pyroscope profiles (@marcsanmi)

• Add support to loki.source.syslog for the RFC3164 format ("BSD syslog"). (@sushain97)

• Add support to loki.source.api to be able to extract the tenant from the HTTP X-Scope-OrgID header (@QuentinBisson)

• (Experimental) Add a loki.secretfilter component to redact secrets from collected logs.

• (Experimental) Add a prometheus.write.queue component to add an alternative to prometheus.remote_write
  which allowing the writing of metrics to a prometheus endpoint. (@mattdurham)

• (Experimental) Add the arrary.combine_maps function to the stdlib. (@ptodev, @wildum)

• Add support bundle generation via the API endpoint /-/support (@dehaansa)

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

Installation

Refer to our installation guide for how to install Grafana Alloy.