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options.go
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options.go
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// Copyright (c) 2018 The Jaeger 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 static
import (
"flag"
"github.com/spf13/viper"
)
const (
samplingStrategiesFile = "sampling.strategies-file"
)
// Options holds configuration for the static sampling strategy store.
type Options struct {
// StrategiesFile is the path for the sampling strategies file in JSON format
StrategiesFile string
}
// AddFlags adds flags for Options
func AddFlags(flagSet *flag.FlagSet) {
flagSet.String(samplingStrategiesFile, "", "The path for the sampling strategies file in JSON format. See sampling documentation to see format of the file")
}
// InitFromViper initializes Options with properties from viper
func (opts *Options) InitFromViper(v *viper.Viper) *Options {
opts.StrategiesFile = v.GetString(samplingStrategiesFile)
return opts
}