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CHANGELOG.md

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Changelog

Contributors should read our contributors guide for instructions on how to update the changelog.

This document contains a historical list of changes between releases. Only changes that impact end-user behavior are listed; changes to documentation or internal API changes are not present.

Main (unreleased)

Breaking changes to non-GA functionality

  • Update Public preview remotecfg to use alloy-remote-config instead of agent-remote-config. The API has been updated to use the term collector over agent. (@erikbaranowski)

Enhancements

  • (Public preview) Add native histogram support to otelcol.receiver.prometheus. (@wildum)

  • (Public preview) Add metrics to report status of remotecfg service. (@captncraig)

  • Added scrape_protocols option to prometheus.scrape, which allows to control the preferred order of scrape protocols. (@thampiotr)

  • Add support for configuring CPU profile's duration scraped by pyroscope.scrape. (@hainenber)

  • Improved filesystem error handling when working with loki.source.file and local.file_match, which removes some false-positive error log messages on Windows (@thampiotr)

  • Updates processor/probabilistic_sampler to use new FailedClosed field from OTEL release v0.101.0. (@StefanKurek)

  • Updates receiver/vcenter to use new features and bugfixes introduced in OTEL releases v0.100.0 and v0.101.0. Refer to the v0.100.0 and v0.101.0 release notes for more detailed information. Changes that directly affected the configuration are as follows: (@StefanKurek)

    • The resource attribute vcenter.datacenter.name has been added and enabled by default for all resource types.
    • The resource attribute vcenter.virtual_app.inventory_path has been added and enabled by default to differentiate between resource pools and virtual apps.
    • The resource attribute vcenter.virtual_app.name has been added and enabled by default to differentiate between resource pools and virtual apps.
    • The resource attribute vcenter.vm_template.id has been added and enabled by default to differentiate between virtual machines and virtual machine templates.
    • The resource attribute vcenter.vm_template.name has been added and enabled by default to differentiate between virtual machines and virtual machine templates.
    • The metric vcenter.cluster.memory.used has been removed.
    • The metric vcenter.host.network.packet.count has been hidden (removed from docs & disabled from default). It has been replaced by a new metric vcenter.host.network.packet.rate that is enabled by default.
    • The metric vcenter.host.network.packet.errors has been hidden (removed from docs & disabled from default). It has been replaced by a new metric vcenter.host.network.packet.error.rate that is enabled by default.
    • The metric vcenter.vm.network.packet.count has been hidden (removed from docs & disabled from default). It has been replaced by a new metric vcenter.vm.network.packet.rate that is enabled by default.
    • The metric vcenter.vm.network.packet.drop.rate has been added and enabled by default.
    • The metric vcenter.cluster.vm_template.count has been added and enabled by default.

  • Add yaml_decode to standard library. (@mattdurham, @djcode)

  • Allow override debug metrics level for otelcol.* components. (@hainenber)

  • Add an initial lower limit of 10 seconds for the the poll_frequency argument in the remotecfg block. (@tpaschalis)

  • Added support for NS records to discovery.dns. (@djcode)

Bugfixes

  • Fixed an issue with prometheus.scrape in which targets that move from one cluster instance to another could have a staleness marker inserted and result in a gap in metrics (@thampiotr)

Other changes

  • pyroscope.ebpf, pyroscope.java, pyroscope.scrape, pyroscope.write and discovery.process components are now GA. (@korniltsev)

  • prometheus.exporter.snmp: Updating SNMP exporter from v0.24.1 to v0.26.0. (@ptodev, @erikbaranowski)

  • prometheus.scrape component's enable_protobuf_negotiation argument is now deprecated and will be removed in a future major release. Use scrape_protocols instead and refer to prometheus.scrape reference documentation for further details. (@thampiotr)

  • Updated Prometheus dependency to v2.51.2 (@thampiotr)

v1.1.1

Bugfixes

  • Fix panic when component ID contains / in otelcomponent.MustNewType(ID).(@qclaogui)

  • Exit Alloy immediately if the port it runs on is not available. This port can be configured with --server.http.listen-addr or using the default listen address127.0.0.1:12345. (@mattdurham)

  • Fix a panic in loki.source.docker when trying to stop a target that was never started. (@wildum)

  • Fix error on boot when using IPv6 advertise addresses without explicitly specifying a port. (@matthewpi)

  • Fix an issue where having long component labels (>63 chars) on otelcol.auth components lead to a panic. (@tpaschalis)

  • Update prometheus.exporter.snowflake with the latest version of the exporter as of May 28, 2024 (@StefanKurek)

    • Fixes issue where returned NULL values from database could cause unexpected errors.

  • Bubble up SSH key conversion error to facilitate failed import.git. (@hainenber)

v1.1.0

Features

  • (Public preview) Add support for setting GOMEMLIMIT based on cgroup setting. (@mattdurham)

  • (Public preview) Introduce BoringCrypto Docker images. The BoringCrypto image is tagged with the -boringcrypto suffix and is only available on AMD64 and ARM64 Linux containers. (@rfratto, @mattdurham)

  • (Public preview) Introduce boringcrypto release assets. BoringCrypto builds are publshed for Linux on AMD64 and ARM64 platforms. (@rfratto, @mattdurham)

  • otelcol.exporter.loadbalancing: Add a new aws_cloud_map resolver. (@ptodev)

  • Introduce a otelcol.receiver.file_stats component from the upstream OpenTelemetry filestatsreceiver component. (@rfratto)

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)

  • Don't restart tailers in loki.source.kubernetes component by above-average time deltas if K8s version is >= 1.29.1 (@hainenber)

  • In mimir.rules.kubernetes, add support for running in a cluster of Alloy instances by electing a single instance as the leader for the mimir.rules.kubernetes component to avoid conflicts when making calls to the Mimir API. (@56quarters)

Bugfixes

  • Fixed issue with defaults for Beyla component not being applied correctly. (marctc)

  • Fix an issue on Windows where uninstalling Alloy did not remove it from the Add/Remove programs list. (@rfratto)

  • Fixed issue where text labels displayed outside of component node's boundary. (@hainenber)

  • Fix a bug where a topic was claimed by the wrong consumer type in otelcol.receiver.kafka. (@wildum)

  • Fix an issue where nested import.git config blocks could conflict if they had the same labels. (@wildum)

  • In mimir.rules.kubernetes, fix an issue where unrecoverable errors from the Mimir API were retried. (@56quarters)

  • Fix an issue where faro.receiver's extra_log_labels with empty value don't map existing value in log line. (@hainenber)

  • Fix an issue where prometheus.remote_write only queued data for sending every 15 seconds instead of as soon as data was written to the WAL. (@rfratto)

  • Imported code using slog logging will now not panic and replay correctly when logged before the logging config block is initialized. (@mattdurham)

  • Fix a bug where custom components would not shadow the stdlib. If you have a module whose name conflicts with an stdlib function and if you use this exact function in your config, then you will need to rename your module. (@wildum)

  • Fix an issue where loki.source.docker stops collecting logs after a container restart. (@wildum)

  • Upgrading pyroscope/ebpf from 0.4.6 to 0.4.7 (@korniltsev):

    • detect libc version properly when libc file name is libc-2.31.so and not libc.so.6
    • treat elf files with short build id (8 bytes) properly

Other changes

v1.0.0

Features

  • Support for programmable pipelines using a rich expression-based syntax.

  • Over 130 components for processing, transforming, and exporting telemetry data.

  • Native support for Kubernetes and Prometheus Operator without needing to deploy or learn a separate Kubernetes operator.

  • Support for creating and sharing custom components.

  • Support for forming a cluster of Alloy instances for automatic workload distribution.

  • (Public preview) Support for receiving configuration from a server for centralized configuration management.

  • A built-in UI for visualizing and debugging pipelines.