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flags.go
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flags.go
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package main
import (
"flag"
"time"
)
type KubeHTTPProxyFlags struct {
Kubernetes struct {
Config string
RetryBackoffString string
RetryBackoff time.Duration
}
Frontend struct {
Address string
Port int
}
Backend struct {
Namespace string
Service string
Port string
}
Admin struct {
Address string
Port int
}
Varnish struct {
SecretFile string
Storage string
VCLTemplate string
VCLTemplatePoll bool
}
}
func (f *KubeHTTPProxyFlags) Parse() error {
var err error
flag.StringVar(&f.Kubernetes.Config, "kubeconfig", "", "kubeconfig file")
flag.StringVar(&f.Kubernetes.RetryBackoffString, "retry-backoff", "30s", "backoff for Kubernetes API reconnection attempts")
flag.StringVar(&f.Frontend.Address, "frontend-addr", "0.0.0.0", "TCP address to listen on")
flag.IntVar(&f.Frontend.Port, "frontend-port", 80, "TCP address to listen on")
flag.StringVar(&f.Backend.Namespace, "backend-namespace", "", "name of Kubernetes backend namespace")
flag.StringVar(&f.Backend.Service, "backend-service", "", "name of Kubernetes backend service")
flag.StringVar(&f.Backend.Port, "backend-port", "http", "name of backend port")
flag.StringVar(&f.Admin.Address, "admin-addr", "127.0.0.1", "TCP address for the admin port")
flag.IntVar(&f.Admin.Port, "admin-port", 6082, "TCP address for the admin port")
flag.StringVar(&f.Varnish.SecretFile, "varnish-secret-file", "/etc/varnish/secret", "Varnish secret file")
flag.StringVar(&f.Varnish.Storage, "varnish-storage", "file,/tmp/varnish-data,1G", "varnish storage config")
flag.StringVar(&f.Varnish.VCLTemplate, "varnish-vcl-template", "/etc/varnish/default.vcl.tmpl", "VCL template file")
flag.BoolVar(&f.Varnish.VCLTemplatePoll, "varnish-vcl-template-poll", false, "poll for file changes instead of using inotify (useful on some network filesystems)")
flag.Parse()
f.Kubernetes.RetryBackoff, err = time.ParseDuration(f.Kubernetes.RetryBackoffString)
if err != nil {
return err
}
return nil
}