add registry base interface, mdns, noop implementations, add resolver, client

registry/options.go

@@ -0,0 +1,115 @@
+package registry
+
+import (
+	"context"
+	"crypto/tls"
+	"time"
+)
+
+type Options struct {
+	Addrs     []string
+	Timeout   time.Duration
+	Secure    bool
+	TLSConfig *tls.Config
+	// Other options for implementations of the interface
+	// can be stored in a context
+	Context context.Context
+}
+
+type RegisterOptions struct {
+	TTL time.Duration
+	// Other options for implementations of the interface
+	// can be stored in a context
+	Context context.Context
+}
+
+type WatchOptions struct {
+	// Specify a service to watch
+	// If blank, the watch is for all services
+	Service string
+	// Other options for implementations of the interface
+	// can be stored in a context
+	Context context.Context
+}
+
+type DeregisterOptions struct {
+	Context context.Context
+}
+
+type GetOptions struct {
+	Context context.Context
+}
+
+type ListOptions struct {
+	Context context.Context
+}
+
+// Addrs is the registry addresses to use
+func Addrs(addrs ...string) Option {
+	return func(o *Options) {
+		o.Addrs = addrs
+	}
+}
+
+func Timeout(t time.Duration) Option {
+	return func(o *Options) {
+		o.Timeout = t
+	}
+}
+
+// Secure communication with the registry
+func Secure(b bool) Option {
+	return func(o *Options) {
+		o.Secure = b
+	}
+}
+
+// Specify TLS Config
+func TLSConfig(t *tls.Config) Option {
+	return func(o *Options) {
+		o.TLSConfig = t
+	}
+}
+
+func RegisterTTL(t time.Duration) RegisterOption {
+	return func(o *RegisterOptions) {
+		o.TTL = t
+	}
+}
+
+func RegisterContext(ctx context.Context) RegisterOption {
+	return func(o *RegisterOptions) {
+		o.Context = ctx
+	}
+}
+
+// Watch a service
+func WatchService(name string) WatchOption {
+	return func(o *WatchOptions) {
+		o.Service = name
+	}
+}
+
+func WatchContext(ctx context.Context) WatchOption {
+	return func(o *WatchOptions) {
+		o.Context = ctx
+	}
+}
+
+func DeregisterContext(ctx context.Context) DeregisterOption {
+	return func(o *DeregisterOptions) {
+		o.Context = ctx
+	}
+}
+
+func GetContext(ctx context.Context) GetOption {
+	return func(o *GetOptions) {
+		o.Context = ctx
+	}
+}
+
+func ListContext(ctx context.Context) ListOption {
+	return func(o *ListOptions) {
+		o.Context = ctx
+	}
+}