Merge pull request #314 from opencloud-eu/dependabot/go_modules/github.com/prometheus/client_golang-1.21.1

Bump github.com/prometheus/client_golang from 1.21.0 to 1.21.1

go.mod

@@ -70,7 +70,7 @@ require (
 	github.com/owncloud/libre-graph-api-go v1.0.5-0.20240829135935-80dc00d6f5ea
 	github.com/pkg/errors v0.9.1
 	github.com/pkg/xattr v0.4.10
-	github.com/prometheus/client_golang v1.21.0
+	github.com/prometheus/client_golang v1.21.1
 	github.com/r3labs/sse/v2 v2.10.0
 	github.com/riandyrn/otelchi v0.12.0
 	github.com/rogpeppe/go-internal v1.14.1

go.sum

@@ -922,8 +922,8 @@ github.com/prometheus/client_golang v1.11.0/go.mod h1:Z6t4BnS23TR94PD6BsDNk8yVqr
 github.com/prometheus/client_golang v1.12.1/go.mod h1:3Z9XVyYiZYEO+YQWt3RD2R3jrbd179Rt297l4aS6nDY=
 github.com/prometheus/client_golang v1.12.2/go.mod h1:3Z9XVyYiZYEO+YQWt3RD2R3jrbd179Rt297l4aS6nDY=
 github.com/prometheus/client_golang v1.13.0/go.mod h1:vTeo+zgvILHsnnj/39Ou/1fPN5nJFOEMgftOUOmlvYQ=
-github.com/prometheus/client_golang v1.21.0 h1:DIsaGmiaBkSangBgMtWdNfxbMNdku5IK6iNhrEqWvdA=
-github.com/prometheus/client_golang v1.21.0/go.mod h1:U9NM32ykUErtVBxdvD3zfi+EuFkkaBvMb09mIfe0Zgg=
+github.com/prometheus/client_golang v1.21.1 h1:DOvXXTqVzvkIewV/CDPFdejpMCGeMcbGCQ8YOmu+Ibk=
+github.com/prometheus/client_golang v1.21.1/go.mod h1:U9NM32ykUErtVBxdvD3zfi+EuFkkaBvMb09mIfe0Zgg=
 github.com/prometheus/client_model v0.0.0-20170216185247-6f3806018612/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
 github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
 github.com/prometheus/client_model v0.0.0-20190115171406-56726106282f/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=

vendor/github.com/prometheus/client_golang/prometheus/atomic_update.go

@@ -1,50 +0,0 @@
-// Copyright 2014 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package prometheus
-
-import (
-	"math"
-	"sync/atomic"
-	"time"
-)
-
-// atomicUpdateFloat atomically updates the float64 value pointed to by bits
-// using the provided updateFunc, with an exponential backoff on contention.
-func atomicUpdateFloat(bits *uint64, updateFunc func(float64) float64) {
-	const (
-		// both numbers are derived from empirical observations
-		// documented in this PR: https://github.com/prometheus/client_golang/pull/1661
-		maxBackoff     = 320 * time.Millisecond
-		initialBackoff = 10 * time.Millisecond
-	)
-	backoff := initialBackoff
-
-	for {
-		loadedBits := atomic.LoadUint64(bits)
-		oldFloat := math.Float64frombits(loadedBits)
-		newFloat := updateFunc(oldFloat)
-		newBits := math.Float64bits(newFloat)
-
-		if atomic.CompareAndSwapUint64(bits, loadedBits, newBits) {
-			break
-		} else {
-			// Exponential backoff with sleep and cap to avoid infinite wait
-			time.Sleep(backoff)
-			backoff *= 2
-			if backoff > maxBackoff {
-				backoff = maxBackoff
-			}
-		}
-	}
-}

vendor/github.com/prometheus/client_golang/prometheus/counter.go

@@ -134,9 +134,13 @@ func (c *counter) Add(v float64) {
 		return
 	}
 
-	atomicUpdateFloat(&c.valBits, func(oldVal float64) float64 {
-		return oldVal + v
-	})
+	for {
+		oldBits := atomic.LoadUint64(&c.valBits)
+		newBits := math.Float64bits(math.Float64frombits(oldBits) + v)
+		if atomic.CompareAndSwapUint64(&c.valBits, oldBits, newBits) {
+			return
+		}
+	}
 }
 
 func (c *counter) AddWithExemplar(v float64, e Labels) {

vendor/github.com/prometheus/client_golang/prometheus/gauge.go

@@ -120,9 +120,13 @@ func (g *gauge) Dec() {
 }
 
 func (g *gauge) Add(val float64) {
-	atomicUpdateFloat(&g.valBits, func(oldVal float64) float64 {
-		return oldVal + val
-	})
+	for {
+		oldBits := atomic.LoadUint64(&g.valBits)
+		newBits := math.Float64bits(math.Float64frombits(oldBits) + val)
+		if atomic.CompareAndSwapUint64(&g.valBits, oldBits, newBits) {
+			return
+		}
+	}
 }
 
 func (g *gauge) Sub(val float64) {

vendor/github.com/prometheus/client_golang/prometheus/histogram.go

@@ -1647,9 +1647,13 @@ func waitForCooldown(count uint64, counts *histogramCounts) {
 // atomicAddFloat adds the provided float atomically to another float
 // represented by the bit pattern the bits pointer is pointing to.
 func atomicAddFloat(bits *uint64, v float64) {
-	atomicUpdateFloat(bits, func(oldVal float64) float64 {
-		return oldVal + v
-	})
+	for {
+		loadedBits := atomic.LoadUint64(bits)
+		newBits := math.Float64bits(math.Float64frombits(loadedBits) + v)
+		if atomic.CompareAndSwapUint64(bits, loadedBits, newBits) {
+			break
+		}
+	}
 }
 
 // atomicDecUint32 atomically decrements the uint32 p points to.  See

vendor/github.com/prometheus/client_golang/prometheus/process_collector_darwin.go

@@ -11,6 +11,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+//go:build darwin && !ios
+
 package prometheus
 
 import (

vendor/github.com/prometheus/client_golang/prometheus/process_collector_mem_cgo_darwin.c

@@ -11,7 +11,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build darwin && cgo
+//go:build darwin && !ios && cgo
 
 #include <mach/mach_init.h>
 #include <mach/task.h>

vendor/github.com/prometheus/client_golang/prometheus/process_collector_mem_cgo_darwin.go

@@ -11,7 +11,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build darwin && cgo
+//go:build darwin && !ios && cgo
 
 package prometheus
 

vendor/github.com/prometheus/client_golang/prometheus/process_collector_mem_nocgo_darwin.go

@@ -11,7 +11,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build darwin && !cgo
+//go:build darwin && !ios && !cgo
 
 package prometheus
 

vendor/github.com/prometheus/client_golang/prometheus/process_collector_not_supported.go

@@ -11,8 +11,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build wasip1 || js
-// +build wasip1 js
+//go:build wasip1 || js || ios
+// +build wasip1 js ios
 
 package prometheus
 

vendor/github.com/prometheus/client_golang/prometheus/summary.go

@@ -471,9 +471,13 @@ func (s *noObjectivesSummary) Observe(v float64) {
 	n := atomic.AddUint64(&s.countAndHotIdx, 1)
 	hotCounts := s.counts[n>>63]
 
-	atomicUpdateFloat(&hotCounts.sumBits, func(oldVal float64) float64 {
-		return oldVal + v
-	})
+	for {
+		oldBits := atomic.LoadUint64(&hotCounts.sumBits)
+		newBits := math.Float64bits(math.Float64frombits(oldBits) + v)
+		if atomic.CompareAndSwapUint64(&hotCounts.sumBits, oldBits, newBits) {
+			break
+		}
+	}
 	// Increment count last as we take it as a signal that the observation
 	// is complete.
 	atomic.AddUint64(&hotCounts.count, 1)
@@ -515,13 +519,14 @@ func (s *noObjectivesSummary) Write(out *dto.Metric) error {
 	// Finally add all the cold counts to the new hot counts and reset the cold counts.
 	atomic.AddUint64(&hotCounts.count, count)
 	atomic.StoreUint64(&coldCounts.count, 0)
-
-	// Use atomicUpdateFloat to update hotCounts.sumBits atomically.
-	atomicUpdateFloat(&hotCounts.sumBits, func(oldVal float64) float64 {
-		return oldVal + sum.GetSampleSum()
-	})
-	atomic.StoreUint64(&coldCounts.sumBits, 0)
-
+	for {
+		oldBits := atomic.LoadUint64(&hotCounts.sumBits)
+		newBits := math.Float64bits(math.Float64frombits(oldBits) + sum.GetSampleSum())
+		if atomic.CompareAndSwapUint64(&hotCounts.sumBits, oldBits, newBits) {
+			atomic.StoreUint64(&coldCounts.sumBits, 0)
+			break
+		}
+	}
 	return nil
 }
 

vendor/modules.txt

@@ -1638,7 +1638,7 @@ github.com/prometheus/alertmanager/matchers/parse
 github.com/prometheus/alertmanager/pkg/labels
 github.com/prometheus/alertmanager/template
 github.com/prometheus/alertmanager/types
-# github.com/prometheus/client_golang v1.21.0
+# github.com/prometheus/client_golang v1.21.1
 ## explicit; go 1.21
 github.com/prometheus/client_golang/internal/github.com/golang/gddo/httputil
 github.com/prometheus/client_golang/internal/github.com/golang/gddo/httputil/header