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options.go
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options.go
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package etcd
import (
"context"
"time"
"github.com/geiqin/go-micro/config/source"
)
type addressKey struct{}
type prefixKey struct{}
type stripPrefixKey struct{}
type authKey struct{}
type dialTimeoutKey struct{}
type authCreds struct {
Username string
Password string
}
// WithAddress sets the etcd address
func WithAddress(a ...string) source.Option {
return func(o *source.Options) {
if o.Context == nil {
o.Context = context.Background()
}
o.Context = context.WithValue(o.Context, addressKey{}, a)
}
}
// WithPrefix sets the key prefix to use
func WithPrefix(p string) source.Option {
return func(o *source.Options) {
if o.Context == nil {
o.Context = context.Background()
}
o.Context = context.WithValue(o.Context, prefixKey{}, p)
}
}
// StripPrefix indicates whether to remove the prefix from config entries, or leave it in place.
func StripPrefix(strip bool) source.Option {
return func(o *source.Options) {
if o.Context == nil {
o.Context = context.Background()
}
o.Context = context.WithValue(o.Context, stripPrefixKey{}, strip)
}
}
// Auth allows you to specify username/password
func Auth(username, password string) source.Option {
return func(o *source.Options) {
if o.Context == nil {
o.Context = context.Background()
}
o.Context = context.WithValue(o.Context, authKey{}, &authCreds{Username: username, Password: password})
}
}
// WithDialTimeout set the time out for dialing to etcd
func WithDialTimeout(timeout time.Duration) source.Option {
return func(o *source.Options) {
if o.Context == nil {
o.Context = context.Background()
}
o.Context = context.WithValue(o.Context, dialTimeoutKey{}, timeout)
}
}