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Update module github.com/prometheus/client_golang to v1.25.0 - #2361

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Update module github.com/prometheus/client_golang to v1.25.0#2361
red-hat-konflux[bot] merged 1 commit into
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konflux/mintmaker/master/github.com-prometheus-client_golang-1.x

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@red-hat-konflux red-hat-konflux Bot commented Oct 12, 2026 •
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This PR contains the following updates:

Package Change Age Confidence
github.com/prometheus/client_golang v1.24.1 → v1.25.0 age confidence

Release Notes

prometheus/client_golang (github.com/prometheus/client_golang)

v1.25.0

Compare Source

⚠️ This release raises the minimum required Go version to 1.26 and includes breaking API changes in api/prometheus/v1 (see the [CHANGE] entries below). ⚠️

1.25.0 / 2026-10-07

  • [CHANGE] Minimum required Go version is now 1.26, only the two latest Go versions (1.26 and 1.27) are supported from now on. #​2138
  • [CHANGE] api/prometheus/v1: Query, QueryRange, Series, LabelNames, and LabelValues now return Infos annotations in addition to Warnings, matching the Prometheus server's info annotations. This changes the signatures of these methods and of api.Client's Do/DoGetFallback; custom API client implementations must be updated. #​1963
  • [CHANGE] api/prometheus/v1: Rework TSDBBlocks result types to align with the Prometheus server's tsdb.BlockMeta: TSDBBlocksResult now contains Blocks []TSDBBlockMeta directly instead of mirroring the full API envelope, nested types are renamed (TSDBBlockMeta, TSDBBlockStats, TSDBBlockMetaCompaction), stat fields are uint64 with omitempty tags, and the optional compaction parents field is included. #​1928
  • [FEATURE] testutil: Add GatherAndFormat to encode a subset of metrics from a Gatherer. #​2091
  • [FEATURE] promhttp: Add HandlerOpts.AcceptedFormats to customize the formats negotiated from the incoming Accept header, enabling opt-in to experimental formats such as OpenMetrics 2.0 without changing default negotiation. #​2146
  • [ENHANCEMENT] promhttp: Negotiated metrics responses now include a Vary header. #​2142
  • [ENHANCEMENT] prometheus: Regenerate the default runtime collector metrics for Go 1.25 and Go 1.26. #​2090, #​2095
  • [ENHANCEMENT] testutil: Finalize OpenMetrics output in GatherAndFormat and CollectAndFormat (terminating # EOF). #​2125
  • [BUGFIX] api: Match complete URL path placeholders only; a :foo argument no longer substitutes inside :foobar. #​2136
  • [BUGFIX] exp/api/remote: Reset the pooled buffer before generic proto marshaling, preventing corrupted remote-write payloads. #​2139
  • [BUGFIX] testutil/promlint: Fix "mibi" unit prefix to "mebi". #​2135
What's changed

What's Changed

New Contributors

Full Changelog: prometheus/client_golang@v1.24.1...v1.25.0

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Summary by Sourcery

Enhancements:

  • Update Prometheus client libraries to the v1.25.0 dependency set, including refreshed compression, OAuth2, and Prometheus ecosystem modules.

@red-hat-konflux
Update module github.com/prometheus/client_golang to v1.25.0
937b97f 
Signed-off-by: red-hat-konflux <126015336+red-hat-konflux[bot]@users.noreply.github.com>
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red-hat-konflux Bot requested a review from a team as a code owner October 12, 2026 04:29
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red-hat-konflux Bot enabled auto-merge (squash) October 12, 2026 04:29
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ℹ️ Artifact update notice

File name: go.mod

In order to perform the update(s) described in the table above, Renovate ran the go get command, which resulted in the following additional change(s):

  • 5 additional dependencies were updated

Due to Go's usage of Minimal Version Selection (MVS), these packages have been updated to the minimum version available, so will still abide by minimumReleaseAge=3 days

Details:

Package Change
github.com/klauspost/compress v1.19.1 -> v1.20.1
github.com/prometheus/client_model v0.6.2 -> v0.6.3
github.com/prometheus/common v0.70.1 -> v0.72.0
github.com/prometheus/procfs v0.21.1 -> v0.22.0
golang.org/x/oauth2 v0.36.0 -> v0.37.0

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red-hat-konflux Bot merged commit f4a6e0e into master Oct 12, 2026
6 of 7 checks passed
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Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

This dependency-only PR upgrades github.com/prometheus/client_golang from v1.24.1 to v1.25.0 and refreshes its transitive module graph and checksums. Review should focus on the release's Go 1.26 minimum, breaking api/prometheus/v1 signatures and TSDB block types, plus compatibility of any local callers or custom API implementations; the upstream release also brings format-negotiation, runtime-metrics, testutil, and correctness fixes.

File-Level Changes

Change Details Files
Upgrade Prometheus client libraries and their transitive dependencies to the v1.25.0 dependency set.
  • Update the direct client_golang requirement from v1.24.1 to v1.25.0.
  • Refresh related indirect modules, including client_model, common, procfs, compress, and oauth2.
  • Regenerate module checksums for the dependency changes.
 go.mod
go.sum
Adopt the upstream release's API and runtime compatibility changes.
  • Account for the Go 1.26 minimum requirement when validating build and CI environments.
  • Review callers and custom implementations of api/prometheus/v1 methods and Client Do/DoGetFallback for the added Infos return value.
  • Review TSDBBlocks consumers for the reworked result and renamed metadata/stat types.
 go.mod
go.sum
Inherit upstream HTTP, formatting, runtime metrics, and correctness improvements through the dependency upgrade.
  • Validate promhttp content negotiation, AcceptedFormats behavior, and the new Vary response header where applicable.
  • Validate metric formatting helpers, including OpenMetrics termination and GatherAndFormat usage if consumed.
  • Exercise affected remote-write, URL placeholder, and runtime collector behavior through existing integration and unit tests.
 go.mod
go.sum
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sourcery-ai[bot]
sourcery-ai Bot approved these changes Oct 12, 2026
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Hey - I've reviewed your changes and they look great!

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Approved.

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 58.95%. Comparing base (5bc6a6b) to head (937b97f).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files 
@@           Coverage Diff           @@
##           master    #2361   +/-   ##
=======================================
  Coverage   58.95%   58.95%           
=======================================
  Files         150      150           
  Lines        9626     9626           
=======================================
  Hits         5675     5675           
  Misses       3352     3352           
  Partials      599      599
Flag Coverage Δ
unittests 58.95% <ø> (ø)

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red-hat-konflux Bot deleted the konflux/mintmaker/master/github.com-prometheus-client_golang-1.x branch October 12, 2026 04:36
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