102 lines
3.1 KiB
Go
102 lines
3.1 KiB
Go
// Copyright (c) 2017 Uber Technologies, Inc.
|
|
//
|
|
// 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 remote
|
|
|
|
import (
|
|
"time"
|
|
|
|
"github.com/uber/jaeger-client-go"
|
|
)
|
|
|
|
const (
|
|
defaultMaxValueLength = 2048
|
|
defaultRefreshInterval = time.Minute
|
|
defaultHostPort = "localhost:5778"
|
|
)
|
|
|
|
// Option is a function that sets some option on the RestrictionManager
|
|
type Option func(options *options)
|
|
|
|
// Options is a factory for all available options
|
|
var Options options
|
|
|
|
type options struct {
|
|
denyBaggageOnInitializationFailure bool
|
|
metrics *jaeger.Metrics
|
|
logger jaeger.Logger
|
|
hostPort string
|
|
refreshInterval time.Duration
|
|
}
|
|
|
|
// DenyBaggageOnInitializationFailure creates an Option that determines the startup failure mode of RestrictionManager.
|
|
// If DenyBaggageOnInitializationFailure is true, RestrictionManager will not allow any baggage to be written until baggage
|
|
// restrictions have been retrieved from agent.
|
|
// If DenyBaggageOnInitializationFailure is false, RestrictionManager will allow any baggage to be written until baggage
|
|
// restrictions have been retrieved from agent.
|
|
func (options) DenyBaggageOnInitializationFailure(b bool) Option {
|
|
return func(o *options) {
|
|
o.denyBaggageOnInitializationFailure = b
|
|
}
|
|
}
|
|
|
|
// Metrics creates an Option that initializes Metrics on the RestrictionManager, which is used to emit statistics.
|
|
func (options) Metrics(m *jaeger.Metrics) Option {
|
|
return func(o *options) {
|
|
o.metrics = m
|
|
}
|
|
}
|
|
|
|
// Logger creates an Option that sets the logger used by the RestrictionManager.
|
|
func (options) Logger(logger jaeger.Logger) Option {
|
|
return func(o *options) {
|
|
o.logger = logger
|
|
}
|
|
}
|
|
|
|
// HostPort creates an Option that sets the hostPort of the local agent that contains the baggage restrictions.
|
|
func (options) HostPort(hostPort string) Option {
|
|
return func(o *options) {
|
|
o.hostPort = hostPort
|
|
}
|
|
}
|
|
|
|
// RefreshInterval creates an Option that sets how often the RestrictionManager will poll local agent for
|
|
// the baggage restrictions.
|
|
func (options) RefreshInterval(refreshInterval time.Duration) Option {
|
|
return func(o *options) {
|
|
o.refreshInterval = refreshInterval
|
|
}
|
|
}
|
|
|
|
func applyOptions(o ...Option) options {
|
|
opts := options{}
|
|
for _, option := range o {
|
|
option(&opts)
|
|
}
|
|
if opts.metrics == nil {
|
|
opts.metrics = jaeger.NewNullMetrics()
|
|
}
|
|
if opts.logger == nil {
|
|
opts.logger = jaeger.NullLogger
|
|
}
|
|
if opts.hostPort == "" {
|
|
opts.hostPort = defaultHostPort
|
|
}
|
|
if opts.refreshInterval == 0 {
|
|
opts.refreshInterval = defaultRefreshInterval
|
|
}
|
|
return opts
|
|
}
|