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features.go
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features.go
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/*
* Copyright (c) 2020 Baidu, 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 options
import (
"github.com/spf13/pflag"
"github.com/baidu/easyfaas/pkg/server"
)
type FeatureOptions struct {
EnableProfiling bool
EnableContentionProfiling bool
EnableMetrics bool
SummaryOverheadMs int
// EnableSwaggerUI bool
}
func NewFeatureOptions() *FeatureOptions {
defaults := server.NewConfig()
return &FeatureOptions{
EnableProfiling: defaults.EnableProfiling,
EnableContentionProfiling: defaults.EnableContentionProfiling,
EnableMetrics: defaults.EnableMetrics,
SummaryOverheadMs: defaults.SummaryOverheadMs,
// EnableSwaggerUI: defaults.EnableSwaggerUI,
}
}
func (o *FeatureOptions) AddFlags(fs *pflag.FlagSet) {
if o == nil {
return
}
fs.BoolVar(&o.EnableProfiling, "profiling", o.EnableProfiling,
"Enable profiling via web interface host:port/debug/pprof/")
fs.BoolVar(&o.EnableContentionProfiling, "contention-profiling", o.EnableContentionProfiling,
"Enable lock contention profiling, if profiling is enabled")
fs.BoolVar(&o.EnableMetrics, "enable-metrics", o.EnableMetrics,
"Enable prometheus metrics via web interface host:port/metrics")
fs.IntVar(&o.SummaryOverheadMs, "summary-overhead", o.SummaryOverheadMs,
"Record request summary log if request overhead longer than summary-overhead ms, set 0 if you want to record all request summary log")
// fs.BoolVar(&o.EnableSwaggerUI, "enable-swagger-ui", o.EnableSwaggerUI,
// "Enables swagger ui on the apiserver at /swagger-ui")
}
func (o *FeatureOptions) ApplyTo(c *server.Config) error {
if o == nil {
return nil
}
c.EnableProfiling = o.EnableProfiling
c.EnableContentionProfiling = o.EnableContentionProfiling
c.EnableMetrics = o.EnableMetrics
c.SummaryOverheadMs = o.SummaryOverheadMs
// c.EnableSwaggerUI = o.EnableSwaggerUI
return nil
}
func (o *FeatureOptions) Validate() []error {
if o == nil {
return nil
}
errs := []error{}
return errs
}