mirror of
https://github.com/prometheus/statsd_exporter.git
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73 lines
3 KiB
Go
73 lines
3 KiB
Go
// Copyright 2020 The Prometheus Authors
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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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package mapper
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import "time"
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type MapperConfigDefaults struct {
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ObserverType ObserverType `yaml:"observer_type"`
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MatchType MatchType `yaml:"match_type"`
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GlobDisableOrdering bool `yaml:"glob_disable_ordering"`
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Ttl time.Duration `yaml:"ttl"`
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SummaryOptions SummaryOptions `yaml:"summary_options"`
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HistogramOptions HistogramOptions `yaml:"histogram_options"`
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}
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// mapperConfigDefaultsAlias is used to unmarshal the yaml config into mapperConfigDefaults and allows deprecated fields
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type mapperConfigDefaultsAlias struct {
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ObserverType ObserverType `yaml:"observer_type"`
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TimerType ObserverType `yaml:"timer_type,omitempty"` // DEPRECATED - field only present to preserve backwards compatibility in configs
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Buckets []float64 `yaml:"buckets"` // DEPRECATED - field only present to preserve backwards compatibility in configs
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Quantiles []MetricObjective `yaml:"quantiles"` // DEPRECATED - field only present to preserve backwards compatibility in configs
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MatchType MatchType `yaml:"match_type"`
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GlobDisableOrdering bool `yaml:"glob_disable_ordering"`
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Ttl time.Duration `yaml:"ttl"`
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SummaryOptions SummaryOptions `yaml:"summary_options"`
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HistogramOptions HistogramOptions `yaml:"histogram_options"`
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}
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// UnmarshalYAML is a custom unmarshal function to allow use of deprecated config keys
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// observer_type will override timer_type
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func (d *MapperConfigDefaults) UnmarshalYAML(unmarshal func(interface{}) error) error {
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var tmp mapperConfigDefaultsAlias
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if err := unmarshal(&tmp); err != nil {
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return err
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}
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// Copy defaults
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d.ObserverType = tmp.ObserverType
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d.MatchType = tmp.MatchType
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d.GlobDisableOrdering = tmp.GlobDisableOrdering
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d.Ttl = tmp.Ttl
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d.SummaryOptions = tmp.SummaryOptions
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d.HistogramOptions = tmp.HistogramOptions
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// Use deprecated TimerType if necessary
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if tmp.ObserverType == "" {
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d.ObserverType = tmp.TimerType
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}
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// Use deprecated quantiles if necessary
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if len(tmp.SummaryOptions.Quantiles) == 0 && len(tmp.Quantiles) > 0 {
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d.SummaryOptions = SummaryOptions{Quantiles: tmp.Quantiles}
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}
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// Use deprecated buckets if necessary
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if len(tmp.HistogramOptions.Buckets) == 0 && len(tmp.Buckets) > 0 {
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d.HistogramOptions = HistogramOptions{Buckets: tmp.Buckets}
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}
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return nil
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}
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