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chore(deps): update tool updates - #85

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This PR contains the following updates:

Package Update Change
grafana/alloy minor v1.16.0 → v1.21.3
prom/prometheus minor v3.11.3 → v3.15.1

Release Notes

grafana/alloy

v1.21.3

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Bug Fixes 🐛

Upgrading

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

Installation

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

v1.21.2

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Bug Fixes 🐛

Upgrading

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

Installation

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

v1.21.1

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Bug Fixes 🐛
Upgrading

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

Installation

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

v1.21.0

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⚠ BREAKING CHANGES
  • otelcol.receiver.kafka: otelcol.receiver.kafka and otelcol.exporter.kafka metadata > retry > max_retries now defaults to 20 (was 3) and is now actually applied. Upstream's Kafka client silently ignored it since the franz-go migration. otelcol.exporter.kafka now also applies backoff. (#​7366)
  • otelcol.connector.signaltometrics: otelcol.connector.signaltometrics error_mode now defaults to ignore (was propagate). A failing OTTL expression now skips the record and logs the error instead of dropping the whole payload. Set error_mode = "propagate" to restore the previous behavior. (#​7366)
  • loki.write: loki.write configurations that set wal { enabled = true } now fail to load unless Alloy runs with --stability.level=experimental. To keep using the WAL, add --stability.level=experimental to the alloy run command. To keep the default stability level, remove the wal block or set enabled = false. (#​7257)
  • loki.write: Remove tenant label from metrics (#​7232)
Features 🌟
Bug Fixes 🐛

Upgrading

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

Installation

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

v1.20.1

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Bug Fixes 🐛

Upgrading

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

Installation

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

v1.20.0

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⚠ BREAKING CHANGES
  • discovery.hetzner: discovery.hetzner no longer exports the __meta_hetzner_datacenter label for targets with role = "hcloud". Relabeling rules that reference this label for hcloud targets silently stop matching. The label is unaffected for role = "robot" targets, which also now export it under the additional name __meta_hetzner_robot_datacenter.
  • otelcol.receiver.filelog: otelcol.receiver.filelog's top_n now distinguishes an explicit 0 ("track all files") from leaving it unset ("apply the default"), matching upstream. Breaking change: previously, top_n = 0 was treated the same as unset.
  • otelcol.exporter.awss3: Apply upstream retry defaults and expose retry_on_failure (#​7138)
  • otelcol.processor.memory_limiter: Apply upstream GC interval defaults and expose them (#​7137)
  • otelcol.receiver.kafka: plaintext credentials are now translated into a sasl block with mechanism set to PLAIN, matching what upstream's Kafka client actually requires. This also applies to otelcol.exporter.kafka. Configs relying on the old (broken) silent-drop behavior will now authenticate correctly instead of connecting anonymously.
  • otelcol.processor.k8sattributes: otelcol.processor.k8sattributes now extracts container.image.tags (a list) instead of container.image.tag (a string) by default. Default label/annotation attribute keys for pod, namespace, and node sources change from the deprecated plural form (k8s.pod.labels.) to the singular form (k8s.pod.label.). There's no configuration option to restore the previous behavior. The deployment_name_from_replicaset argument has also been removed; the processor now always extracts the deployment name from the ReplicaSet name.
  • otelcol.receiver.faro: otelcol.receiver.faro now emits deployment.environment.name instead of the deprecated deployment.environment resource attribute by default.
  • otelcol.processor.transform: Base64Decode has been removed. Use Decode(value, "base64") instead. This also affects otelcol.processor.filter and any other OTTL-consuming component.
  • otelcol.processor.transform: Previously a no-op, set(target, nil) now sets target to nil, because upstream's ottl.set.allowNil feature gate is enabled by default as of this bump.
  • prometheus.exporter.windows now applies the documented default textfile directory (\textfile_inputs) when neither textfile.directories nor the deprecated text_file.text_file_directory is set, restoring behavior that was lost in v1.11.0. Deployments that were relying on the collector silently returning nothing will start receiving any .prom files found there, or an error if that directory doesn't exist, either of which can be avoided by setting directories explicitly or removing textfile from enabled_collectors.
Features 🌟
Bug Fixes 🐛

[!IMPORTANT]
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@renovate
renovate Bot requested a review from a team as a code owner October 6, 2026 18:36
@renovate
renovate Bot force-pushed the renovate/tool-updates branch 3 times, most recently from 589de39 to 82bc175 Compare October 22, 2026 22:38
@renovate
renovate Bot force-pushed the renovate/tool-updates branch from 82bc175 to f02c9b8 Compare October 28, 2026 23:39
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