chore: import upstream snapshot with attribution

service/profile/profile.go

@@ -0,0 +1,90 @@
+// Package profileconfig provides grouped plugin profiles for go-micro
+package profile
+
+import (
+	"os"
+	"strings"
+
+	natslib "github.com/nats-io/nats.go"
+	"go-micro.dev/v6/broker"
+	"go-micro.dev/v6/broker/nats"
+	"go-micro.dev/v6/events"
+	nevents "go-micro.dev/v6/events/natsjs"
+	"go-micro.dev/v6/registry"
+	nreg "go-micro.dev/v6/registry/nats"
+	"go-micro.dev/v6/store"
+	nstore "go-micro.dev/v6/store/nats-js-kv"
+
+	"go-micro.dev/v6/transport"
+	ntx "go-micro.dev/v6/transport/nats"
+)
+
+type Profile struct {
+	Registry  registry.Registry
+	Broker    broker.Broker
+	Store     store.Store
+	Transport transport.Transport
+	Stream    events.Stream
+}
+
+// LocalProfile returns a profile with local mDNS as the registry, HTTP as the broker, file as the store, and HTTP as the transport
+// It is used for local development and testing
+func LocalProfile() (Profile, error) {
+	stream, err := events.NewStream()
+	return Profile{
+		Registry:  registry.NewMDNSRegistry(),
+		Broker:    broker.NewHttpBroker(),
+		Store:     store.NewFileStore(),
+		Transport: transport.NewHTTPTransport(),
+		Stream:    stream,
+	}, err
+}
+
+// NatsProfile returns a profile with NATS as the registry, broker, store, and transport
+// It uses the environment variable MICR_NATS_ADDRESS to set the NATS server address
+// If the variable is not set, it defaults to nats://0.0.0.0:4222 which will connect to a local NATS server
+func NatsProfile() (Profile, error) {
+	addr := os.Getenv("MICRO_NATS_ADDRESS")
+	if addr == "" {
+		addr = "nats://0.0.0.0:4222"
+	}
+	// Split the address by comma, trim whitespace, and convert to a slice of strings
+	addrs := splitNatsAdressList(addr)
+
+	reg := nreg.NewNatsRegistry(registry.Addrs(addrs...))
+
+	nopts := natslib.GetDefaultOptions()
+	nopts.Servers = addrs
+	brok := nats.NewNatsBroker(broker.Addrs(addrs...), nats.Options(nopts))
+
+	st := nstore.NewStore(nstore.NatsOptions(natslib.Options{Servers: addrs}))
+	tx := ntx.NewTransport(ntx.Options(natslib.Options{Servers: addrs}))
+
+	stream, err := nevents.NewStream(
+		nevents.Address(addr),
+	)
+
+	registry.DefaultRegistry = reg
+	broker.DefaultBroker = brok
+	store.DefaultStore = st
+	transport.DefaultTransport = tx
+	return Profile{
+		Registry:  reg,
+		Broker:    brok,
+		Store:     st,
+		Transport: tx,
+		Stream:    stream,
+	}, err
+}
+
+func splitNatsAdressList(addr string) []string {
+	// Split the address by comma
+	addrs := strings.Split(addr, ",")
+	// Trim any whitespace from each address
+	for i, a := range addrs {
+		addrs[i] = strings.TrimSpace(a)
+	}
+	return addrs
+}
+
+// Add more profiles as needed, e.g. grpc