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discoverer_option.go
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/
discoverer_option.go
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package service
import (
"time"
"github.com/vdaas/vald/internal/client/v1/client/mirror"
"github.com/vdaas/vald/internal/errgroup"
"github.com/vdaas/vald/internal/errors"
)
type DiscovererOption func(d *discoverer) error
var defaultMirrOpts = []DiscovererOption{
WithAdvertiseInterval("1s"),
}
func WithErrorGroup(eg errgroup.Group) DiscovererOption {
return func(d *discoverer) error {
if eg != nil {
d.eg = eg
}
return nil
}
}
func WithValdAddrs(addrs ...string) DiscovererOption {
return func(d *discoverer) error {
if len(addrs) == 0 {
return errors.NewErrCriticalOption("lbAddrs", addrs)
}
if d.gwAddrs == nil {
d.gwAddrs = make([]string, 0, len(addrs))
}
d.gwAddrs = append(d.gwAddrs, addrs...)
return nil
}
}
func WithSelfMirrorAddrs(addrs ...string) DiscovererOption {
return func(d *discoverer) error {
if len(addrs) == 0 {
return errors.NewErrCriticalOption("selfMirrorAddrs", addrs)
}
if d.selfMirrAddrs == nil {
d.selfMirrAddrs = make([]string, 0, len(addrs))
}
d.selfMirrAddrs = append(d.selfMirrAddrs, addrs...)
return nil
}
}
func WithDiscoverer(c mirror.Client) DiscovererOption {
return func(d *discoverer) error {
if c != nil {
d.client = c
}
return nil
}
}
func WithAdvertiseInterval(s string) DiscovererOption {
return func(d *discoverer) error {
if len(s) == 0 {
return errors.NewErrInvalidOption("advertiseInterval", s)
}
dur, err := time.ParseDuration(s)
if err != nil {
return errors.NewErrInvalidOption("advertiseInterval", s, err)
}
d.advertiseDur = dur
return nil
}
}