forked from jaegertracing/jaeger
/
flags.go
58 lines (50 loc) · 1.88 KB
/
flags.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 grpc
import (
"flag"
"strings"
"github.com/spf13/viper"
"github.com/jaegertracing/jaeger/pkg/config/tlscfg"
)
const (
gRPCPrefix = "reporter.grpc."
collectorHostPort = gRPCPrefix + "host-port"
retry = gRPCPrefix + "retry.max"
defaultMaxRetry = 3
discoveryMinPeers = gRPCPrefix + "discovery.min-peers"
)
var tlsFlagsConfig = tlscfg.ClientFlagsConfig{
Prefix: gRPCPrefix,
ShowEnabled: true,
ShowServerName: true,
}
// AddFlags adds flags for Options.
func AddFlags(flags *flag.FlagSet) {
flags.String(collectorHostPort, "", "Comma-separated string representing host:port of a static list of collectors to connect to directly")
flags.Uint(retry, defaultMaxRetry, "Sets the maximum number of retries for a call")
flags.Int(discoveryMinPeers, 3, "Max number of collectors to which the agent will try to connect at any given time")
tlsFlagsConfig.AddFlags(flags)
}
// InitFromViper initializes Options with properties retrieved from Viper.
func (b *ConnBuilder) InitFromViper(v *viper.Viper) *ConnBuilder {
hostPorts := v.GetString(collectorHostPort)
if hostPorts != "" {
b.CollectorHostPorts = strings.Split(hostPorts, ",")
}
b.MaxRetry = uint(v.GetInt(retry))
b.TLS = tlsFlagsConfig.InitFromViper(v)
b.DiscoveryMinPeers = v.GetInt(discoveryMinPeers)
return b
}