Adding upstream version 1.34.4.

Signed-off-by: Daniel Baumann <daniel@debian.org>

plugins/inputs/cloudwatch/utils.go

@@ -0,0 +1,48 @@
+package cloudwatch
+
+import (
+	"slices"
+	"strings"
+
+	"github.com/aws/aws-sdk-go-v2/service/cloudwatch/types"
+
+	"github.com/influxdata/telegraf/internal"
+)
+
+func metricMatch(cm *cloudwatchMetric, m types.Metric) bool {
+	if !slices.Contains(cm.MetricNames, *m.MetricName) {
+		return false
+	}
+	// Dimensions need to match completely so exit early if the length mismatches
+	if len(cm.Dimensions) != len(m.Dimensions) {
+		return false
+	}
+	// Sort the dimensions for efficient comparison
+	slices.SortStableFunc(m.Dimensions, func(a, b types.Dimension) int {
+		return strings.Compare(*a.Name, *b.Name)
+	})
+	return slices.EqualFunc(cm.Dimensions, m.Dimensions, func(rd *dimension, vd types.Dimension) bool {
+		return rd.Name == *vd.Name && (rd.valueMatcher == nil || rd.valueMatcher.Match(*vd.Value))
+	})
+}
+
+func sanitizeMeasurement(namespace string) string {
+	namespace = strings.ReplaceAll(namespace, "/", "_")
+	namespace = snakeCase(namespace)
+	return "cloudwatch_" + namespace
+}
+
+func snakeCase(s string) string {
+	s = internal.SnakeCase(s)
+	s = strings.ReplaceAll(s, " ", "_")
+	s = strings.ReplaceAll(s, "__", "_")
+	return s
+}
+
+func ctod(cDimensions []types.Dimension) *map[string]string {
+	dimensions := make(map[string]string, len(cDimensions))
+	for i := range cDimensions {
+		dimensions[snakeCase(*cDimensions[i].Name)] = *cDimensions[i].Value
+	}
+	return &dimensions
+}