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