mirror of
https://github.com/ceph/ceph-csi.git
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431e9231d2
Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.68.1 to 1.69.0. - [Release notes](https://github.com/grpc/grpc-go/releases) - [Commits](https://github.com/grpc/grpc-go/compare/v1.68.1...v1.69.0) --- updated-dependencies: - dependency-name: google.golang.org/grpc dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>
82 lines
2.4 KiB
Go
82 lines
2.4 KiB
Go
/*
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* Copyright 2024 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package stats
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import "maps"
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// MetricSet is a set of metrics to record. Once created, MetricSet is immutable,
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// however Add and Remove can make copies with specific metrics added or
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// removed, respectively.
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//
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// Do not construct directly; use NewMetricSet instead.
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type MetricSet struct {
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// metrics are the set of metrics to initialize.
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metrics map[string]bool
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}
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// NewMetricSet returns a MetricSet containing metricNames.
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func NewMetricSet(metricNames ...string) *MetricSet {
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newMetrics := make(map[string]bool)
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for _, metric := range metricNames {
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newMetrics[metric] = true
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}
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return &MetricSet{metrics: newMetrics}
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}
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// Metrics returns the metrics set. The returned map is read-only and must not
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// be modified.
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func (m *MetricSet) Metrics() map[string]bool {
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return m.metrics
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}
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// Add adds the metricNames to the metrics set and returns a new copy with the
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// additional metrics.
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func (m *MetricSet) Add(metricNames ...string) *MetricSet {
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newMetrics := make(map[string]bool)
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for metric := range m.metrics {
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newMetrics[metric] = true
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}
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for _, metric := range metricNames {
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newMetrics[metric] = true
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}
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return &MetricSet{metrics: newMetrics}
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}
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// Join joins the metrics passed in with the metrics set, and returns a new copy
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// with the merged metrics.
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func (m *MetricSet) Join(metrics *MetricSet) *MetricSet {
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newMetrics := make(map[string]bool)
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maps.Copy(newMetrics, m.metrics)
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maps.Copy(newMetrics, metrics.metrics)
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return &MetricSet{metrics: newMetrics}
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}
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// Remove removes the metricNames from the metrics set and returns a new copy
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// with the metrics removed.
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func (m *MetricSet) Remove(metricNames ...string) *MetricSet {
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newMetrics := make(map[string]bool)
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for metric := range m.metrics {
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newMetrics[metric] = true
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}
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for _, metric := range metricNames {
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delete(newMetrics, metric)
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}
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return &MetricSet{metrics: newMetrics}
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}
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