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options.go
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options.go
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// Copyright (c) 2019 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 grpc
import (
"flag"
"github.com/spf13/viper"
"github.com/jaegertracing/jaeger/plugin/storage/grpc/config"
)
const (
pluginBinary = "grpc-storage-plugin.binary"
pluginConfigurationFile = "grpc-storage-plugin.configuration-file"
pluginLogLevel = "grpc-storage-plugin.log-level"
defaultPluginLogLevel = "warn"
)
// Options contains GRPC plugins configs and provides the ability
// to bind them to command line flags
type Options struct {
Configuration config.Configuration
}
// AddFlags adds flags for Options
func (opt *Options) AddFlags(flagSet *flag.FlagSet) {
flagSet.String(pluginBinary, "", "The location of the plugin binary")
flagSet.String(pluginConfigurationFile, "", "A path pointing to the plugin's configuration file, made available to the plugin with the --config arg")
flagSet.String(pluginLogLevel, defaultPluginLogLevel, "Set the log level of the plugin's logger")
}
// InitFromViper initializes Options with properties from viper
func (opt *Options) InitFromViper(v *viper.Viper) {
opt.Configuration.PluginBinary = v.GetString(pluginBinary)
opt.Configuration.PluginConfigurationFile = v.GetString(pluginConfigurationFile)
opt.Configuration.PluginLogLevel = v.GetString(pluginLogLevel)
}