logger: add Clone method

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
logger: breaking changes to log level parsing
2021-08-30 16:21:01 +03:00 · 2021-08-30 16:21:01 +03:00 · 2021-08-30 16:20:10 +03:00 · 2021-08-21 01:00:10 +03:00 · 2021-08-20 22:48:03 +03:00 · 2021-08-20 22:44:17 +03:00
40 changed files with 671 additions and 324 deletions
--- a/auth/auth.go
+++ b/auth/auth.go
@@ -55,7 +55,7 @@ type Auth interface {
 type Account struct {
 	// Metadata any other associated metadata
 	Metadata metadata.Metadata `json:"metadata"`
-	// ID of the account e.g. email or uuid
+	// ID of the account e.g. email or id
 	ID string `json:"id"`
 	// Type of the account, e.g. service
 	Type string `json:"type"`
--- a/auth/noop.go
+++ b/auth/noop.go
@@ -1,7 +1,7 @@
 package auth

 import (
-	"github.com/google/uuid"
+	"github.com/unistack-org/micro/v3/util/id"
 )

 type noopAuth struct {
@@ -61,11 +61,11 @@ func (n *noopAuth) Verify(acc *Account, res *Resource, opts ...VerifyOption) err

 // Inspect a token
 func (n *noopAuth) Inspect(token string) (*Account, error) {
-	uid, err := uuid.NewRandom()
+	id, err := id.New()
 	if err != nil {
 		return nil, err
 	}
-	return &Account{ID: uid.String(), Issuer: n.Options().Issuer}, nil
+	return &Account{ID: id, Issuer: n.Options().Issuer}, nil
 }

 // Token generation using an account id and secret
--- a/broker/memory.go
+++ b/broker/memory.go
@@ -4,10 +4,10 @@ import (
 	"context"
 	"sync"

-	"github.com/google/uuid"
 	"github.com/unistack-org/micro/v3/logger"
 	"github.com/unistack-org/micro/v3/metadata"
 	maddr "github.com/unistack-org/micro/v3/util/addr"
+	"github.com/unistack-org/micro/v3/util/id"
 	mnet "github.com/unistack-org/micro/v3/util/net"
 	"github.com/unistack-org/micro/v3/util/rand"
 )
@@ -224,7 +224,7 @@ func (m *memoryBroker) BatchSubscribe(ctx context.Context, topic string, handler
 	}
 	m.RUnlock()

-	id, err := uuid.NewRandom()
+	sid, err := id.New()
 	if err != nil {
 		return nil, err
 	}
@@ -233,7 +233,7 @@ func (m *memoryBroker) BatchSubscribe(ctx context.Context, topic string, handler

 	sub := &memorySubscriber{
 		exit:         make(chan bool, 1),
-		id:           id.String(),
+		id:           sid,
 		topic:        topic,
 		batchhandler: handler,
 		opts:         options,
@@ -269,7 +269,7 @@ func (m *memoryBroker) Subscribe(ctx context.Context, topic string, handler Hand
 	}
 	m.RUnlock()

-	id, err := uuid.NewRandom()
+	sid, err := id.New()
 	if err != nil {
 		return nil, err
 	}
@@ -278,7 +278,7 @@ func (m *memoryBroker) Subscribe(ctx context.Context, topic string, handler Hand

 	sub := &memorySubscriber{
 		exit:    make(chan bool, 1),
-		id:      id.String(),
+		id:      sid,
 		topic:   topic,
 		handler: handler,
 		opts:    options,
--- a/config/default.go
+++ b/config/default.go
@@ -2,12 +2,12 @@ package config

 import (
 	"context"
+	"fmt"
 	"reflect"
 	"strconv"
 	"strings"

 	"github.com/imdario/mergo"
-	"github.com/unistack-org/micro/v3/util/jitter"
 	rutil "github.com/unistack-org/micro/v3/util/reflect"
 )

@@ -271,17 +271,7 @@ func (c *defaultConfig) Name() string {
 }

 func (c *defaultConfig) Watch(ctx context.Context, opts ...WatchOption) (Watcher, error) {
-	w := &defaultWatcher{
-		opts:  c.opts,
-		wopts: NewWatchOptions(opts...),
-		done:  make(chan struct{}),
-		vchan: make(chan map[string]interface{}),
-		echan: make(chan error),
-	}
-
-	go w.run()
-
-	return w, nil
+	return nil, fmt.Errorf("not implemented")
 }

 // NewConfig returns new default config source
@@ -292,76 +282,3 @@ func NewConfig(opts ...Option) Config {
 	}
 	return &defaultConfig{opts: options}
 }
-
-type defaultWatcher struct {
-	opts  Options
-	wopts WatchOptions
-	done  chan struct{}
-	vchan chan map[string]interface{}
-	echan chan error
-}
-
-func (w *defaultWatcher) run() {
-	ticker := jitter.NewTicker(w.wopts.MinInterval, w.wopts.MaxInterval)
-	defer ticker.Stop()
-
-	src := w.opts.Struct
-	if w.wopts.Struct != nil {
-		src = w.wopts.Struct
-	}
-
-	for {
-		select {
-		case <-w.done:
-			return
-		case <-ticker.C:
-			dst, err := rutil.Zero(src)
-			if err == nil {
-				err = fillValues(reflect.ValueOf(dst), w.opts.StructTag)
-			}
-			if err != nil {
-				w.echan <- err
-				return
-			}
-			srcmp, err := rutil.StructFieldsMap(src)
-			if err != nil {
-				w.echan <- err
-				return
-			}
-			dstmp, err := rutil.StructFieldsMap(dst)
-			if err != nil {
-				w.echan <- err
-				return
-			}
-			for sk, sv := range srcmp {
-				if reflect.DeepEqual(dstmp[sk], sv) {
-					delete(dstmp, sk)
-				}
-			}
-			if len(dstmp) > 0 {
-				w.vchan <- dstmp
-				src = dst
-			}
-		}
-	}
-}
-
-func (w *defaultWatcher) Next() (map[string]interface{}, error) {
-	select {
-	case <-w.done:
-		break
-	case err := <-w.echan:
-		return nil, err
-	case v, ok := <-w.vchan:
-		if !ok {
-			break
-		}
-		return v, nil
-	}
-	return nil, ErrWatcherStopped
-}
-
-func (w *defaultWatcher) Stop() error {
-	close(w.done)
-	return nil
-}
--- a/config/default_test.go
+++ b/config/default_test.go
@@ -4,7 +4,6 @@ import (
 	"context"
 	"fmt"
 	"testing"
-	"time"

 	"github.com/unistack-org/micro/v3/config"
 )
@@ -18,57 +17,6 @@ type Cfg struct {
 	IntValue int `default:"99"`
 }

-func TestWatch(t *testing.T) {
-	ctx := context.Background()
-
-	conf := &Cfg{IntValue: 10}
-
-	cfg := config.NewConfig(config.Struct(conf))
-	if err := cfg.Init(); err != nil {
-		t.Fatal(err)
-	}
-	if err := cfg.Load(ctx); err != nil {
-		t.Fatal(err)
-	}
-
-	w, err := cfg.Watch(ctx, config.WatchInterval(200*time.Millisecond, 500*time.Millisecond))
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	defer func() {
-		_ = w.Stop()
-	}()
-
-	done := make(chan struct{})
-
-	go func() {
-		for {
-			mp, err := w.Next()
-			if err != nil && err != config.ErrWatcherStopped {
-				t.Fatal(err)
-			} else if err == config.ErrWatcherStopped {
-				return
-			}
-			if len(mp) != 1 {
-				t.Fatal(fmt.Errorf("default watcher err: %v", mp))
-			}
-
-			v, ok := mp["IntValue"]
-			if !ok {
-				t.Fatal(fmt.Errorf("default watcher err: %v", v))
-			}
-			if nv, ok := v.(int); !ok || nv != 99 {
-				t.Fatal(fmt.Errorf("default watcher err: %v", v))
-			}
-			close(done)
-			return
-		}
-	}()
-
-	<-done
-}
-
 func TestDefault(t *testing.T) {
 	ctx := context.Background()
 	conf := &Cfg{IntValue: 10}
--- a/errors/errors.go
+++ b/errors/errors.go
@@ -37,7 +37,7 @@ var (

 // Error type
 type Error struct {
-	// Id holds error id or service, usually someting like my_service or uuid
+	// Id holds error id or service, usually someting like my_service or id
 	Id string
 	// Detail holds some useful details about error
 	Detail string
--- a/flow/default.go
+++ b/flow/default.go
@@ -6,13 +6,13 @@ import (
 	"path/filepath"
 	"sync"

-	"github.com/google/uuid"
 	"github.com/silas/dag"
 	"github.com/unistack-org/micro/v3/client"
 	"github.com/unistack-org/micro/v3/codec"
 	"github.com/unistack-org/micro/v3/logger"
 	"github.com/unistack-org/micro/v3/metadata"
 	"github.com/unistack-org/micro/v3/store"
+	"github.com/unistack-org/micro/v3/util/id"
 )

 type microFlow struct {
@@ -149,18 +149,18 @@ func (w *microWorkflow) getSteps(start string, reverse bool) ([][]Step, error) {
 	return steps, nil
 }

-func (w *microWorkflow) Abort(ctx context.Context, eid string) error {
-	workflowStore := store.NewNamespaceStore(w.opts.Store, filepath.Join("workflows", eid))
+func (w *microWorkflow) Abort(ctx context.Context, id string) error {
+	workflowStore := store.NewNamespaceStore(w.opts.Store, filepath.Join("workflows", id))
 	return workflowStore.Write(ctx, "status", &codec.Frame{Data: []byte(StatusAborted.String())})
 }

-func (w *microWorkflow) Suspend(ctx context.Context, eid string) error {
-	workflowStore := store.NewNamespaceStore(w.opts.Store, filepath.Join("workflows", eid))
+func (w *microWorkflow) Suspend(ctx context.Context, id string) error {
+	workflowStore := store.NewNamespaceStore(w.opts.Store, filepath.Join("workflows", id))
 	return workflowStore.Write(ctx, "status", &codec.Frame{Data: []byte(StatusSuspend.String())})
 }

-func (w *microWorkflow) Resume(ctx context.Context, eid string) error {
-	workflowStore := store.NewNamespaceStore(w.opts.Store, filepath.Join("workflows", eid))
+func (w *microWorkflow) Resume(ctx context.Context, id string) error {
+	workflowStore := store.NewNamespaceStore(w.opts.Store, filepath.Join("workflows", id))
 	return workflowStore.Write(ctx, "status", &codec.Frame{Data: []byte(StatusRunning.String())})
 }

@@ -176,11 +176,10 @@ func (w *microWorkflow) Execute(ctx context.Context, req *Message, opts ...Execu
 	}
 	w.Unlock()

-	uid, err := uuid.NewRandom()
+	eid, err := id.New()
 	if err != nil {
 		return "", err
 	}
-	eid := uid.String()

 	stepStore := store.NewNamespaceStore(w.opts.Store, filepath.Join("steps", eid))
 	workflowStore := store.NewNamespaceStore(w.opts.Store, filepath.Join("workflows", eid))
@@ -330,7 +329,7 @@ func (w *microWorkflow) Execute(ctx context.Context, req *Message, opts ...Execu
 		close(cherr)
 	case <-chstatus:
 		close(chstatus)
-		return uid.String(), nil
+		return eid, nil
 	}

 	switch {
@@ -351,7 +350,7 @@ func (w *microWorkflow) Execute(ctx context.Context, req *Message, opts ...Execu
 		break
 	}

-	return uid.String(), err
+	return eid, err
 }

 func NewFlow(opts ...Option) Flow {
--- a/flow/flow.go
+++ b/flow/flow.go
@@ -116,11 +116,11 @@ type Workflow interface {
 	// Steps returns steps slice where parallel steps returned on the same level
 	Steps() ([][]Step, error)
 	// Suspend suspends execution
-	Suspend(ctx context.Context, eid string) error
+	Suspend(ctx context.Context, id string) error
 	// Resume resumes execution
-	Resume(ctx context.Context, eid string) error
+	Resume(ctx context.Context, id string) error
 	// Abort abort execution
-	Abort(ctx context.Context, eid string) error
+	Abort(ctx context.Context, id string) error
 }

 // Flow the base interface to interact with workflows
--- a/go.mod
+++ b/go.mod
@@ -4,10 +4,12 @@ go 1.16

 require (
 	github.com/ef-ds/deque v1.0.4
-	github.com/golang-jwt/jwt v3.2.2+incompatible
-	github.com/google/uuid v1.3.0
+	github.com/golang-jwt/jwt/v4 v4.0.0
 	github.com/imdario/mergo v0.3.12
 	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/silas/dag v0.0.0-20210121180416-41cf55125c34
+	github.com/stretchr/testify v1.7.0
+	github.com/unistack-org/micro-proto v0.0.8
 	golang.org/x/net v0.0.0-20210510120150-4163338589ed
+	google.golang.org/protobuf v1.26.0 // indirect
 )
--- a/go.sum
+++ b/go.sum
@@ -1,22 +1,102 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/ef-ds/deque v1.0.4 h1:iFAZNmveMT9WERAkqLJ+oaABF9AcVQ5AjXem/hroniI=
 github.com/ef-ds/deque v1.0.4/go.mod h1:gXDnTC3yqvBcHbq2lcExjtAcVrOnJCbMcZXmuj8Z4tg=
-github.com/golang-jwt/jwt v3.2.2+incompatible h1:IfV12K8xAKAnZqdXVzCZ+TOjboZ2keLg81eXfW3O+oY=
-github.com/golang-jwt/jwt v3.2.2+incompatible/go.mod h1:8pz2t5EyA70fFQQSrl6XZXzqecmYZeUEB8OUGHkxJ+I=
-github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
-github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
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 github.com/silas/dag v0.0.0-20210121180416-41cf55125c34/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
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+golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20210510120150-4163338589ed h1:p9UgmWI9wKpfYmgaV/IZKGdXc5qEK45tDwwwDyjS26I=
 golang.org/x/net v0.0.0-20210510120150-4163338589ed/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
+golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
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+golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
+google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
+google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
+google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
+google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
+google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
+google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
+google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
+google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
+google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
+google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
+google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0 h1:bxAC2xTBsZGibn2RTntX0oH50xLsqy1OxA9tTL3p/lk=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
--- a/logger/default.go
+++ b/logger/default.go
@@ -11,15 +11,6 @@ import (
 	"time"
 )

-func init() {
-	lvl, err := GetLevel(os.Getenv("MICRO_LOG_LEVEL"))
-	if err != nil {
-		lvl = InfoLevel
-	}
-
-	DefaultLogger = NewLogger(WithLevel(lvl))
-}
-
 type defaultLogger struct {
 	enc  *json.Encoder
 	opts Options
@@ -40,7 +31,6 @@ func (l *defaultLogger) Init(opts ...Option) error {
 		l.logFunc = l.opts.Wrappers[i-1].Log(l.logFunc)
 		l.logfFunc = l.opts.Wrappers[i-1].Logf(l.logfFunc)
 	}
-
 	l.Unlock()
 	return nil
 }
@@ -49,6 +39,28 @@ func (l *defaultLogger) String() string {
 	return "micro"
 }

+func (l *defaultLogger) Clone(opts ...Option) Logger {
+	newopts := NewOptions(opts...)
+	oldopts := l.opts
+	for _, o := range opts {
+		o(&newopts)
+		o(&oldopts)
+	}
+
+	oldopts.Wrappers = newopts.Wrappers
+	l.Lock()
+	cl := &defaultLogger{opts: oldopts, logFunc: l.logFunc, logfFunc: l.logfFunc}
+	l.Unlock()
+
+	// wrap the Log func
+	for i := len(newopts.Wrappers); i > 0; i-- {
+		cl.logFunc = newopts.Wrappers[i-1].Log(cl.logFunc)
+		cl.logfFunc = newopts.Wrappers[i-1].Logf(cl.logfFunc)
+	}
+
+	return cl
+}
+
 func (l *defaultLogger) V(level Level) bool {
 	l.RLock()
 	ok := l.opts.Level.Enabled(level)
@@ -56,26 +68,26 @@ func (l *defaultLogger) V(level Level) bool {
 	return ok
 }

-func (l *defaultLogger) Fields(fields map[string]interface{}) Logger {
-	nl := &defaultLogger{opts: l.opts, enc: l.enc}
-	nl.opts.Fields = make(map[string]interface{}, len(l.opts.Fields)+len(fields))
-	l.RLock()
-	for k, v := range l.opts.Fields {
-		nl.opts.Fields[k] = v
-	}
-	l.RUnlock()
+func (l *defaultLogger) Level(level Level) {
+	l.Lock()
+	l.opts.Level = level
+	l.Unlock()
+}

-	for k, v := range fields {
-		nl.opts.Fields[k] = v
+func (l *defaultLogger) Fields(fields ...interface{}) Logger {
+	nl := &defaultLogger{opts: l.opts, enc: l.enc}
+	if len(fields) == 0 {
+		return nl
+	} else if len(fields)%2 != 0 {
+		fields = fields[:len(fields)-1]
 	}
+	nl.opts.Fields = append(l.opts.Fields, fields...)
 	return nl
 }

-func copyFields(src map[string]interface{}) map[string]interface{} {
-	dst := make(map[string]interface{}, len(src))
-	for k, v := range src {
-		dst[k] = v
-	}
+func copyFields(src []interface{}) []interface{} {
+	dst := make([]interface{}, len(src))
+	copy(dst, src)
 	return dst
 }

@@ -162,19 +174,23 @@ func (l *defaultLogger) Log(ctx context.Context, level Level, args ...interface{
 	fields := copyFields(l.opts.Fields)
 	l.RUnlock()

-	fields["level"] = level.String()
+	fields = append(fields, "level", level.String())

 	if _, file, line, ok := runtime.Caller(l.opts.CallerSkipCount); ok {
-		fields["caller"] = fmt.Sprintf("%s:%d", logCallerfilePath(file), line)
+		fields = append(fields, "caller", fmt.Sprintf("%s:%d", logCallerfilePath(file), line))
 	}
+	fields = append(fields, "timestamp", time.Now().Format("2006-01-02 15:04:05"))

-	fields["timestamp"] = time.Now().Format("2006-01-02 15:04:05")
 	if len(args) > 0 {
-		fields["msg"] = fmt.Sprint(args...)
+		fields = append(fields, "msg", fmt.Sprint(args...))
 	}

+	out := make(map[string]interface{}, len(fields)/2)
+	for i := 0; i < len(fields); i += 2 {
+		out[fields[i].(string)] = fields[i+1]
+	}
 	l.RLock()
-	_ = l.enc.Encode(fields)
+	_ = l.enc.Encode(out)
 	l.RUnlock()
 }

@@ -187,30 +203,30 @@ func (l *defaultLogger) Logf(ctx context.Context, level Level, msg string, args
 	fields := copyFields(l.opts.Fields)
 	l.RUnlock()

-	fields["level"] = level.String()
+	fields = append(fields, "level", level.String())

 	if _, file, line, ok := runtime.Caller(l.opts.CallerSkipCount); ok {
-		fields["caller"] = fmt.Sprintf("%s:%d", logCallerfilePath(file), line)
+		fields = append(fields, "caller", fmt.Sprintf("%s:%d", logCallerfilePath(file), line))
 	}

-	fields["timestamp"] = time.Now().Format("2006-01-02 15:04:05")
+	fields = append(fields, "timestamp", time.Now().Format("2006-01-02 15:04:05"))
 	if len(args) > 0 {
-		fields["msg"] = fmt.Sprintf(msg, args...)
+		fields = append(fields, "msg", fmt.Sprintf(msg, args...))
 	} else if msg != "" {
-		fields["msg"] = msg
+		fields = append(fields, "msg", msg)
+	}
+
+	out := make(map[string]interface{}, len(fields)/2)
+	for i := 0; i < len(fields); i += 2 {
+		out[fields[i].(string)] = fields[i+1]
 	}
 	l.RLock()
-	_ = l.enc.Encode(fields)
+	_ = l.enc.Encode(out)
 	l.RUnlock()
 }

 func (l *defaultLogger) Options() Options {
-	// not guard against options Context values
-	l.RLock()
-	opts := l.opts
-	opts.Fields = copyFields(l.opts.Fields)
-	l.RUnlock()
-	return opts
+	return l.opts
 }

 // NewLogger builds a new logger based on options
--- a/logger/level.go
+++ b/logger/level.go
@@ -1,24 +1,20 @@
 package logger

-import (
-	"fmt"
-)
-
 // Level means logger level
 type Level int8

 const (
-	// TraceLevel level. Designates finer-grained informational events than the Debug.
+	// TraceLevel level usually used to find bugs, very verbose
 	TraceLevel Level = iota - 2
-	// DebugLevel level. Usually only enabled when debugging. Very verbose logging.
+	// DebugLevel level used only when enabled debugging
 	DebugLevel
-	// InfoLevel level. General operational entries about what's going on inside the application.
+	// InfoLevel level used for general info about what's going on inside the application
 	InfoLevel
-	// WarnLevel level. Non-critical entries that deserve eyes.
+	// WarnLevel level used for non-critical entries
 	WarnLevel
-	// ErrorLevel level. Used for errors that should definitely be noted.
+	// ErrorLevel level used for errors that should definitely be noted
 	ErrorLevel
-	// FatalLevel level. Logs and then calls `os.Exit(1)`. highest level of severity.
+	// FatalLevel level used for critical errors and then calls `os.Exit(1)`
 	FatalLevel
 )

@@ -38,7 +34,7 @@ func (l Level) String() string {
 	case FatalLevel:
 		return "fatal"
 	}
-	return ""
+	return "info"
 }

 // Enabled returns true if the given level is at or above this level.
@@ -46,22 +42,22 @@ func (l Level) Enabled(lvl Level) bool {
 	return lvl >= l
 }

-// GetLevel converts a level string into a logger Level value.
-// returns an error if the input string does not match known values.
-func GetLevel(levelStr string) (Level, error) {
-	switch levelStr {
+// ParseLevel converts a level string into a logger Level value.
+// returns an InfoLevel if the input string does not match known values.
+func ParseLevel(lvl string) Level {
+	switch lvl {
 	case TraceLevel.String():
-		return TraceLevel, nil
+		return TraceLevel
 	case DebugLevel.String():
-		return DebugLevel, nil
+		return DebugLevel
 	case InfoLevel.String():
-		return InfoLevel, nil
+		return InfoLevel
 	case WarnLevel.String():
-		return WarnLevel, nil
+		return WarnLevel
 	case ErrorLevel.String():
-		return ErrorLevel, nil
+		return ErrorLevel
 	case FatalLevel.String():
-		return FatalLevel, nil
+		return FatalLevel
 	}
-	return InfoLevel, fmt.Errorf("unknown Level String: '%s', use InfoLevel", levelStr)
+	return InfoLevel
 }
--- a/logger/logger.go
+++ b/logger/logger.go
@@ -1,11 +1,14 @@
 // Package logger provides a log interface
 package logger

-import "context"
+import (
+	"context"
+	"os"
+)

 var (
 	// DefaultLogger variable
-	DefaultLogger Logger = NewLogger()
+	DefaultLogger Logger = NewLogger(WithLevel(ParseLevel(os.Getenv("MICRO_LOG_LEVEL"))))
 	// DefaultLevel used by logger
 	DefaultLevel Level = InfoLevel
 	// DefaultCallerSkipCount used by logger
@@ -16,12 +19,16 @@ var (
 type Logger interface {
 	// Init initialises options
 	Init(opts ...Option) error
+	// Clone create logger copy with new options
+	Clone(opts ...Option) Logger
 	// V compare provided verbosity level with current log level
 	V(level Level) bool
+	// Level sets the log level for logger
+	Level(level Level)
 	// The Logger options
 	Options() Options
-	// Fields set fields to always be logged
-	Fields(fields map[string]interface{}) Logger
+	// Fields set fields to always be logged with keyval pairs
+	Fields(fields ...interface{}) Logger
 	// Info level message
 	Info(ctx context.Context, args ...interface{})
 	// Trace level message
@@ -54,6 +61,9 @@ type Logger interface {
 	String() string
 }

+// Field contains keyval pair
+type Field interface{}
+
 // Info writes msg to default logger on info level
 func Info(ctx context.Context, args ...interface{}) {
 	DefaultLogger.Info(ctx, args...)
@@ -125,6 +135,6 @@ func Init(opts ...Option) error {
 }

 // Fields create logger with specific fields
-func Fields(fields map[string]interface{}) Logger {
-	return DefaultLogger.Fields(fields)
+func Fields(fields ...interface{}) Logger {
+	return DefaultLogger.Fields(fields...)
 }
--- a/logger/logger_test.go
+++ b/logger/logger_test.go
@@ -3,9 +3,58 @@ package logger
 import (
 	"bytes"
 	"context"
+	"log"
 	"testing"
 )

+func TestClone(t *testing.T) {
+	ctx := context.TODO()
+	buf := bytes.NewBuffer(nil)
+	l := NewLogger(WithLevel(TraceLevel), WithOutput(buf))
+	if err := l.Init(); err != nil {
+		t.Fatal(err)
+	}
+	nl := l.Clone(WithLevel(ErrorLevel))
+	if err := nl.Init(); err != nil {
+		t.Fatal(err)
+	}
+	nl.Info(ctx, "info message")
+	if len(buf.Bytes()) != 0 {
+		t.Fatal("message must not be logged")
+	}
+	l.Info(ctx, "info message")
+	if len(buf.Bytes()) == 0 {
+		t.Fatal("message must be logged")
+	}
+}
+
+func TestRedirectStdLogger(t *testing.T) {
+	buf := bytes.NewBuffer(nil)
+	l := NewLogger(WithLevel(TraceLevel), WithOutput(buf))
+	if err := l.Init(); err != nil {
+		t.Fatal(err)
+	}
+	fn := RedirectStdLogger(l, ErrorLevel)
+	defer fn()
+	log.Print("test")
+	if !bytes.Contains(buf.Bytes(), []byte(`"level":"error","msg":"test","timestamp"`)) {
+		t.Fatalf("logger error, buf %s", buf.Bytes())
+	}
+}
+
+func TestStdLogger(t *testing.T) {
+	buf := bytes.NewBuffer(nil)
+	l := NewLogger(WithLevel(TraceLevel), WithOutput(buf))
+	if err := l.Init(); err != nil {
+		t.Fatal(err)
+	}
+	lg := NewStdLogger(l, ErrorLevel)
+	lg.Print("test")
+	if !bytes.Contains(buf.Bytes(), []byte(`"level":"error","msg":"test","timestamp"`)) {
+		t.Fatalf("logger error, buf %s", buf.Bytes())
+	}
+}
+
 func TestLogger(t *testing.T) {
 	ctx := context.TODO()
 	buf := bytes.NewBuffer(nil)
@@ -15,7 +64,7 @@ func TestLogger(t *testing.T) {
 	}
 	l.Trace(ctx, "trace_msg1")
 	l.Warn(ctx, "warn_msg1")
-	l.Fields(map[string]interface{}{"error": "test"}).Info(ctx, "error message")
+	l.Fields("error", "test").Info(ctx, "error message")
 	l.Warn(ctx, "first", " ", "second")
 	if !bytes.Contains(buf.Bytes(), []byte(`"level":"trace","msg":"trace_msg1"`)) {
 		t.Fatalf("logger error, buf %s", buf.Bytes())
--- a/logger/options.go
+++ b/logger/options.go
@@ -16,7 +16,7 @@ type Options struct {
 	// Context holds exernal options
 	Context context.Context
 	// Fields holds additional metadata
-	Fields map[string]interface{}
+	Fields []interface{}
 	// Name holds the logger name
 	Name string
 	// CallerSkipCount number of frmaes to skip
@@ -31,7 +31,7 @@ type Options struct {
 func NewOptions(opts ...Option) Options {
 	options := Options{
 		Level:           DefaultLevel,
-		Fields:          make(map[string]interface{}),
+		Fields:          make([]interface{}, 0, 6),
 		Out:             os.Stderr,
 		CallerSkipCount: DefaultCallerSkipCount,
 		Context:         context.Background(),
@@ -43,7 +43,7 @@ func NewOptions(opts ...Option) Options {
 }

 // WithFields set default fields for the logger
-func WithFields(fields map[string]interface{}) Option {
+func WithFields(fields ...interface{}) Option {
 	return func(o *Options) {
 		o.Fields = fields
 	}
--- a/logger/stdlogger.go
+++ b/logger/stdlogger.go
@@ -0,0 +1,35 @@
+package logger
+
+import (
+	"bytes"
+	"log"
+)
+
+type stdLogger struct {
+	l     Logger
+	level Level
+}
+
+func NewStdLogger(l Logger, level Level) *log.Logger {
+	return log.New(&stdLogger{l: l, level: level}, "" /* prefix */, 0 /* flags */)
+}
+
+func (sl *stdLogger) Write(p []byte) (int, error) {
+	p = bytes.TrimSpace(p)
+	sl.l.Log(sl.l.Options().Context, sl.level, string(p))
+	return len(p), nil
+}
+
+func RedirectStdLogger(l Logger, level Level) func() {
+	flags := log.Flags()
+	prefix := log.Prefix()
+	writer := log.Writer()
+	log.SetFlags(0)
+	log.SetPrefix("")
+	log.SetOutput(&stdLogger{l: l, level: level})
+	return func() {
+		log.SetFlags(flags)
+		log.SetPrefix(prefix)
+		log.SetOutput(writer)
+	}
+}
--- a/logger/wrapper.go
+++ b/logger/wrapper.go
@@ -20,9 +20,7 @@ type Wrapper interface {
 	Logf(LogfFunc) LogfFunc
 }

-var (
-	_ Logger = &OmitLogger{}
-)
+var _ Logger = &OmitLogger{}

 type OmitLogger struct {
 	l Logger
@@ -40,12 +38,20 @@ func (w *OmitLogger) V(level Level) bool {
 	return w.l.V(level)
 }

+func (w *OmitLogger) Level(level Level) {
+	w.l.Level(level)
+}
+
+func (w *OmitLogger) Clone(opts ...Option) Logger {
+	return w.l.Clone(opts...)
+}
+
 func (w *OmitLogger) Options() Options {
 	return w.l.Options()
 }

-func (w *OmitLogger) Fields(fields map[string]interface{}) Logger {
-	return w.l.Fields(fields)
+func (w *OmitLogger) Fields(fields ...interface{}) Logger {
+	return w.l.Fields(fields...)
 }

 func (w *OmitLogger) Info(ctx context.Context, args ...interface{}) {
--- a/meter/generate.go
+++ b/meter/generate.go
@@ -1,3 +1,8 @@
 package meter

-//go:generate protoc -I./handler -I../ -I/home/vtolstov/.cache/go-path/pkg/mod/github.com/unistack-org/micro-proto@v0.0.1 --micro_out=components=micro|http|server,standalone=false,debug=true,paths=source_relative:./handler handler/handler.proto
+//go:generate sh -c "protoc -I./handler -I../ -I$(go list -f '{{ .Dir }}' -m github.com/unistack-org/micro-proto) --go-micro_out='components=micro|http|server',standalone=false,debug=true,paths=source_relative:./handler handler/handler.proto"
+
+import (
+	_ "github.com/unistack-org/micro-proto/api"
+	_ "github.com/unistack-org/micro-proto/openapiv2"
+)
--- a/meter/handler/handler.proto
+++ b/meter/handler/handler.proto
@@ -11,17 +11,17 @@ service Meter {
 	rpc Metrics(micro.codec.Frame) returns (micro.codec.Frame) {
 		option (micro.openapiv2.openapiv2_operation) = {
      operation_id: "Metrics";
-        responses: {
-          key: "default";
+      responses: {
+        response_code: {
+          name: "default";
          value: {
-            description: "Error response";
-            schema: {
-              json_schema: {
-                ref: "micro.codec.Frame";
-              }
-            }
-          }
-        }
+            json_reference: {
+              description: "Error response";
+              _ref: "micro.codec.Frame";
+            };
+          };
+        };
+      };
    };
 		option (micro.api.http) = { get: "/metrics"; };
  };
--- a/meter/handler/handler_micro.pb.go
+++ b/meter/handler/handler_micro.pb.go
@@ -1,5 +1,7 @@
-// Code generated by protoc-gen-micro
+// Code generated by protoc-gen-go-micro. DO NOT EDIT.
+// protoc-gen-go-micro version: v3.4.2
 // source: handler.proto
+
 package handler

 import (
@@ -8,15 +10,21 @@ import (
 	codec "github.com/unistack-org/micro/v3/codec"
 )

-func NewMeterEndpoints() []*api.Endpoint {
-	return []*api.Endpoint{
-		&api.Endpoint{
+var (
+	MeterName = "Meter"
+
+	MeterEndpoints = []api.Endpoint{
+		{
 			Name:    "Meter.Metrics",
 			Path:    []string{"/metrics"},
 			Method:  []string{"GET"},
 			Handler: "rpc",
 		},
 	}
+)
+
+func NewMeterEndpoints() []api.Endpoint {
+	return MeterEndpoints
 }

 type MeterServer interface {
--- a/meter/handler/handler_micro_http.pb.go
+++ b/meter/handler/handler_micro_http.pb.go
@@ -1,5 +1,7 @@
-// Code generated by protoc-gen-micro
+// Code generated by protoc-gen-go-micro. DO NOT EDIT.
+// protoc-gen-go-micro version: v3.4.2
 // source: handler.proto
+
 package handler

 import (
@@ -26,8 +28,8 @@ func RegisterMeterServer(s server.Server, sh MeterServer, opts ...server.Handler
 	}
 	h := &meterServer{sh}
 	var nopts []server.HandlerOption
-	for _, endpoint := range NewMeterEndpoints() {
-		nopts = append(nopts, api.WithEndpoint(endpoint))
+	for _, endpoint := range MeterEndpoints {
+		nopts = append(nopts, api.WithEndpoint(&endpoint))
 	}
 	return s.Handle(s.NewHandler(&Meter{h}, append(nopts, opts...)...))
 }
--- a/network/options.go
+++ b/network/options.go
@@ -1,13 +1,13 @@
 package network

 import (
-	"github.com/google/uuid"
 	"github.com/unistack-org/micro/v3/logger"
 	"github.com/unistack-org/micro/v3/meter"
 	"github.com/unistack-org/micro/v3/network/tunnel"
 	"github.com/unistack-org/micro/v3/proxy"
 	"github.com/unistack-org/micro/v3/router"
 	"github.com/unistack-org/micro/v3/tracer"
+	"github.com/unistack-org/micro/v3/util/id"
 )

 // Option func
@@ -119,7 +119,7 @@ func Tracer(t tracer.Tracer) Option {
 // NewOptions returns network default options
 func NewOptions(opts ...Option) Options {
 	options := Options{
-		Id:      uuid.New().String(),
+		Id:      id.Must(),
 		Name:    "go.micro",
 		Address: ":0",
 		Logger:  logger.DefaultLogger,
--- a/network/tunnel/broker/broker.go
+++ b/network/tunnel/broker/broker.go
@@ -7,6 +7,7 @@ import (

 	"github.com/unistack-org/micro/v3/broker"
 	"github.com/unistack-org/micro/v3/logger"
+	"github.com/unistack-org/micro/v3/metadata"
 	"github.com/unistack-org/micro/v3/network/transport"
 	"github.com/unistack-org/micro/v3/network/tunnel"
 )
--- a/network/tunnel/options.go
+++ b/network/tunnel/options.go
@@ -3,11 +3,11 @@ package tunnel
 import (
 	"time"

-	"github.com/google/uuid"
 	"github.com/unistack-org/micro/v3/logger"
 	"github.com/unistack-org/micro/v3/meter"
 	"github.com/unistack-org/micro/v3/network/transport"
 	"github.com/unistack-org/micro/v3/tracer"
+	"github.com/unistack-org/micro/v3/util/id"
 )

 var (
@@ -164,7 +164,7 @@ func DialWait(b bool) DialOption {
 // NewOptions returns router default options with filled values
 func NewOptions(opts ...Option) Options {
 	options := Options{
-		ID:      uuid.New().String(),
+		ID:      id.Must(),
 		Address: DefaultAddress,
 		Token:   DefaultToken,
 		Logger:  logger.DefaultLogger,
--- a/register/memory.go
+++ b/register/memory.go
@@ -6,8 +6,8 @@ import (
 	"sync"
 	"time"

-	"github.com/google/uuid"
 	"github.com/unistack-org/micro/v3/logger"
+	"github.com/unistack-org/micro/v3/util/id"
 )

 var (
@@ -378,13 +378,16 @@ func (m *memory) ListServices(ctx context.Context, opts ...ListOption) ([]*Servi
 }

 func (m *memory) Watch(ctx context.Context, opts ...WatchOption) (Watcher, error) {
+	id, err := id.New()
+	if err != nil {
+		return nil, err
+	}
 	wo := NewWatchOptions(opts...)
-
 	// construct the watcher
 	w := &watcher{
 		exit: make(chan bool),
 		res:  make(chan *Result),
-		id:   uuid.New().String(),
+		id:   id,
 		wo:   wo,
 	}

--- a/router/options.go
+++ b/router/options.go
@@ -3,9 +3,9 @@ package router
 import (
 	"context"

-	"github.com/google/uuid"
 	"github.com/unistack-org/micro/v3/logger"
 	"github.com/unistack-org/micro/v3/register"
+	"github.com/unistack-org/micro/v3/util/id"
 )

 // Options are router options
@@ -80,7 +80,7 @@ func Name(n string) Option {
 // NewOptions returns router default options
 func NewOptions(opts ...Option) Options {
 	options := Options{
-		Id:       uuid.New().String(),
+		Id:       id.Must(),
 		Network:  DefaultNetwork,
 		Register: register.DefaultRegister,
 		Logger:   logger.DefaultLogger,
--- a/server/generate.go
+++ b/server/generate.go
@@ -1,3 +1,8 @@
 package server

-//go:generate protoc -I./health -I../ -I/home/vtolstov/.cache/go-path/pkg/mod/github.com/unistack-org/micro-proto@v0.0.1 --micro_out=components=micro|http|server,standalone=false,debug=true,paths=source_relative:./health health/health.proto
+//go:generate sh -c "protoc -I./health -I../ -I$(go list -f '{{ .Dir }}' -m github.com/unistack-org/micro-proto) --go-micro_out='components=micro|http|server',standalone=false,debug=true,paths=source_relative:./health health/health.proto"
+
+import (
+	_ "github.com/unistack-org/micro-proto/api"
+	_ "github.com/unistack-org/micro-proto/openapiv2"
+)
--- a/server/health/health.proto
+++ b/server/health/health.proto
@@ -11,51 +11,51 @@ service Health {
 	rpc Live(micro.codec.Frame) returns (micro.codec.Frame) {
 		option (micro.openapiv2.openapiv2_operation) = {
      operation_id: "Live";
-        responses: {
-          key: "default";
+      responses: {
+        response_code: {
+          name: "default";
          value: {
-            description: "Error response";
-            schema: {
-              json_schema: {
-                ref: "micro.codec.Frame";
-              }
-            }
-          }
-        }
+            json_reference: {
+              description: "Error response";
+              _ref: "micro.codec.Frame";
+            };
+          };
+        };
+      };
    };
 		option (micro.api.http) = { get: "/live"; };
  };
 	rpc Ready(micro.codec.Frame) returns (micro.codec.Frame) {
 		option (micro.openapiv2.openapiv2_operation) = {
      operation_id: "Ready";
-        responses: {
-          key: "default";
+      responses: {
+        response_code: {
+          name: "default";
          value: {
-            description: "Error response";
-            schema: {
-              json_schema: {
-                ref: "micro.codec.Frame";
-              }
-            }
-          }
-        }
+            json_reference: {
+              description: "Error response";
+              _ref: "micro.codec.Frame";
+            };
+          };
+        };
+      };
    };
 		option (micro.api.http) = { get: "/ready"; };
  };
 	rpc Version(micro.codec.Frame) returns (micro.codec.Frame) {
 		option (micro.openapiv2.openapiv2_operation) = {
      operation_id: "Version";
-        responses: {
-          key: "default";
+      responses: {
+        response_code: {
+          name: "default";
          value: {
-            description: "Error response";
-            schema: {
-              json_schema: {
-                ref: "micro.codec.Frame";
-              }
-            }
-          }
-        }
+            json_reference: {
+              description: "Error response";
+              _ref: "micro.codec.Frame";
+            };
+          };
+        };
+      };
    };
 		option (micro.api.http) = { get: "/version"; };
  };
--- a/server/health/health_micro.pb.go
+++ b/server/health/health_micro.pb.go
@@ -1,5 +1,7 @@
-// Code generated by protoc-gen-micro
+// Code generated by protoc-gen-go-micro. DO NOT EDIT.
+// protoc-gen-go-micro version: v3.4.2
 // source: health.proto
+
 package health

 import (
@@ -8,27 +10,33 @@ import (
 	codec "github.com/unistack-org/micro/v3/codec"
 )

-func NewHealthEndpoints() []*api.Endpoint {
-	return []*api.Endpoint{
-		&api.Endpoint{
+var (
+	HealthName = "Health"
+
+	HealthEndpoints = []api.Endpoint{
+		{
 			Name:    "Health.Live",
 			Path:    []string{"/live"},
 			Method:  []string{"GET"},
 			Handler: "rpc",
 		},
-		&api.Endpoint{
+		{
 			Name:    "Health.Ready",
 			Path:    []string{"/ready"},
 			Method:  []string{"GET"},
 			Handler: "rpc",
 		},
-		&api.Endpoint{
+		{
 			Name:    "Health.Version",
 			Path:    []string{"/version"},
 			Method:  []string{"GET"},
 			Handler: "rpc",
 		},
 	}
+)
+
+func NewHealthEndpoints() []api.Endpoint {
+	return HealthEndpoints
 }

 type HealthServer interface {
--- a/server/health/health_micro_http.pb.go
+++ b/server/health/health_micro_http.pb.go
@@ -1,5 +1,7 @@
-// Code generated by protoc-gen-micro
+// Code generated by protoc-gen-go-micro. DO NOT EDIT.
+// protoc-gen-go-micro version: v3.4.2
 // source: health.proto
+
 package health

 import (
@@ -36,8 +38,8 @@ func RegisterHealthServer(s server.Server, sh HealthServer, opts ...server.Handl
 	}
 	h := &healthServer{sh}
 	var nopts []server.HandlerOption
-	for _, endpoint := range NewHealthEndpoints() {
-		nopts = append(nopts, api.WithEndpoint(endpoint))
+	for _, endpoint := range HealthEndpoints {
+		nopts = append(nopts, api.WithEndpoint(&endpoint))
 	}
 	return s.Handle(s.NewHandler(&Health{h}, append(nopts, opts...)...))
 }
--- a/server/server.go
+++ b/server/server.go
@@ -5,10 +5,10 @@ import (
 	"context"
 	"time"

-	"github.com/google/uuid"
 	"github.com/unistack-org/micro/v3/codec"
 	"github.com/unistack-org/micro/v3/metadata"
 	"github.com/unistack-org/micro/v3/register"
+	"github.com/unistack-org/micro/v3/util/id"
 )

 // DefaultServer default server
@@ -22,7 +22,7 @@ var (
 	// DefaultVersion will be used if no version passed
 	DefaultVersion = "latest"
 	// DefaultID will be used if no id passed
-	DefaultID = uuid.New().String()
+	DefaultID = id.Must()
 	// DefaultRegisterCheck holds func that run before register server
 	DefaultRegisterCheck = func(context.Context) error { return nil }
 	// DefaultRegisterInterval holds interval for register
--- a/util/auth/auth.go
+++ b/util/auth/auth.go
@@ -4,9 +4,9 @@ import (
 	"context"
 	"time"

-	"github.com/google/uuid"
 	"github.com/unistack-org/micro/v3/auth"
 	"github.com/unistack-org/micro/v3/logger"
+	"github.com/unistack-org/micro/v3/util/id"
 )

 // Verify the auth credentials and refresh the auth token periodically
@@ -22,7 +22,11 @@ func Verify(a auth.Auth) error {
 			auth.WithScopes("service"),
 		}

-		acc, err := a.Generate(uuid.New().String(), opts...)
+		id, err := id.New()
+		if err != nil {
+			return err
+		}
+		acc, err := a.Generate(id, opts...)
 		if err != nil {
 			return err
 		}
--- a/util/id/LICENSE
+++ b/util/id/LICENSE
@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2018-2021 Matous Dzivjak <matousdzivjak@gmail.com>
+Copyright (c) 2021 Unistack LLC <v.tolstov@unistack.org>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
--- a/util/id/id.go
+++ b/util/id/id.go
@@ -0,0 +1,112 @@
+package id
+
+import (
+	"context"
+	"crypto/rand"
+	"errors"
+	"math"
+
+	"github.com/unistack-org/micro/v3/logger"
+)
+
+// DefaultAlphabet is the alphabet used for ID characters by default
+var DefaultAlphabet = []rune("6789BCDFGHJKLMNPQRTWbcdfghjkmnpqrtwz")
+
+// DefaultSize is the size used for ID by default
+// To get uuid like collision specify 21
+var DefaultSize = 16
+
+// getMask generates bit mask used to obtain bits from the random bytes that are used to get index of random character
+// from the alphabet. Example: if the alphabet has 6 = (110)_2 characters it is sufficient to use mask 7 = (111)_2
+func getMask(alphabetSize int) int {
+	for i := 1; i <= 8; i++ {
+		mask := (2 << uint(i)) - 1
+		if mask >= alphabetSize-1 {
+			return mask
+		}
+	}
+	return 0
+}
+
+// New returns new id or error
+func New(opts ...Option) (string, error) {
+	options := NewOptions(opts...)
+
+	if len(options.Alphabet) == 0 || len(options.Alphabet) > 255 {
+		return "", errors.New("alphabet must not be empty and contain no more than 255 chars")
+	}
+	if options.Size <= 0 {
+		return "", errors.New("size must be positive integer")
+	}
+
+	chars := options.Alphabet
+
+	mask := getMask(len(chars))
+	// estimate how many random bytes we will need for the ID, we might actually need more but this is tradeoff
+	// between average case and worst case
+	ceilArg := 1.6 * float64(mask*options.Size) / float64(len(options.Alphabet))
+	step := int(math.Ceil(ceilArg))
+
+	id := make([]rune, options.Size)
+	bytes := make([]byte, step)
+	for j := 0; ; {
+		_, err := rand.Read(bytes)
+		if err != nil {
+			return "", err
+		}
+		for i := 0; i < step; i++ {
+			currByte := bytes[i] & byte(mask)
+			if currByte < byte(len(chars)) {
+				id[j] = chars[currByte]
+				j++
+				if j == options.Size {
+					return string(id[:options.Size]), nil
+				}
+			}
+		}
+	}
+}
+
+// Must is the same as New but fatals on error
+func Must(opts ...Option) string {
+	id, err := New(opts...)
+	if err != nil {
+		logger.Fatal(context.TODO(), err)
+	}
+	return id
+}
+
+// Options contains id deneration options
+type Options struct {
+	Alphabet []rune
+	Size     int
+}
+
+// Option func signature
+type Option func(*Options)
+
+// Alphabet specifies alphabet to use
+func Alphabet(alphabet string) Option {
+	return func(o *Options) {
+		o.Alphabet = []rune(alphabet)
+	}
+}
+
+// Size specifies id size
+func Size(size int) Option {
+	return func(o *Options) {
+		o.Size = size
+	}
+}
+
+// NewOptions returns new Options struct filled by opts
+func NewOptions(opts ...Option) Options {
+	options := Options{
+		Alphabet: DefaultAlphabet,
+		Size:     DefaultSize,
+	}
+	for _, o := range opts {
+		o(&options)
+	}
+	return options
+}
--- a/util/id/id_internal_test.go
+++ b/util/id/id_internal_test.go
@@ -0,0 +1,41 @@
+package id
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestHasNoCollisions(t *testing.T) {
+	tries := 100_000
+	used := make(map[string]bool, tries)
+	for i := 0; i < tries; i++ {
+		id := Must()
+		require.False(t, used[id], "shouldn't return colliding IDs")
+		used[id] = true
+	}
+}
+
+func TestFlatDistribution(t *testing.T) {
+	tries := 100_000
+	alphabet := "abcdefghij"
+	size := 10
+	chars := make(map[rune]int)
+	for i := 0; i < tries; i++ {
+		id := Must(Alphabet(alphabet), Size(size))
+		for _, r := range id {
+			chars[r]++
+		}
+	}
+
+	for _, count := range chars {
+		require.InEpsilon(t, size*tries/len(alphabet), count, .01, "should have flat distribution")
+	}
+}
+
+// Benchmark id generator
+func BenchmarkNanoid(b *testing.B) {
+	for n := 0; n < b.N; n++ {
+		_, _ = New()
+	}
+}
--- a/util/id/id_test.go
+++ b/util/id/id_test.go
@@ -0,0 +1,68 @@
+package id_test
+
+import (
+	"strings"
+	"testing"
+	"unicode/utf8"
+
+	"github.com/stretchr/testify/assert"
+	id "github.com/unistack-org/micro/v3/util/id"
+)
+
+func TestGenerate(t *testing.T) {
+	t.Run("short alphabet", func(t *testing.T) {
+		alphabet := ""
+		_, err := id.New(id.Alphabet(alphabet), id.Size(32))
+		assert.Error(t, err, "should return error if the alphabet is too small")
+	})
+
+	t.Run("long alphabet", func(t *testing.T) {
+		alphabet := strings.Repeat("a", 256)
+		_, err := id.New(id.Alphabet(alphabet), id.Size(32))
+		assert.Error(t, err, "should return error if the alphabet is too long")
+	})
+
+	t.Run("negative ID length", func(t *testing.T) {
+		_, err := id.New(id.Alphabet("abcdef"), id.Size(-1))
+		assert.Error(t, err, "should return error if the requested ID length is invalid")
+	})
+
+	t.Run("happy path", func(t *testing.T) {
+		alphabet := "abcdef"
+		id, err := id.New(id.Alphabet(alphabet), id.Size(6))
+		assert.NoError(t, err, "shouldn't return error")
+		assert.Len(t, id, 6, "should return ID of requested length")
+		for _, r := range id {
+			assert.True(t, strings.ContainsRune(alphabet, r), "should use given alphabet")
+		}
+	})
+
+	t.Run("works with unicode", func(t *testing.T) {
+		alphabet := "🚀💩🦄🤖"
+		id, err := id.New(id.Alphabet(alphabet), id.Size(6))
+		assert.NoError(t, err, "shouldn't return error")
+		assert.Equal(t, utf8.RuneCountInString(id), 6, "should return ID of requested length")
+		for _, r := range id {
+			assert.True(t, strings.ContainsRune(alphabet, r), "should use given alphabet")
+		}
+	})
+}
+
+func TestNew(t *testing.T) {
+	t.Run("negative ID length", func(t *testing.T) {
+		_, err := id.New(id.Size(-1))
+		assert.Error(t, err, "should return error if the requested ID length is invalid")
+	})
+
+	t.Run("happy path", func(t *testing.T) {
+		nid, err := id.New()
+		assert.NoError(t, err, "shouldn't return error")
+		assert.Len(t, nid, id.DefaultSize, "should return ID of default length")
+	})
+
+	t.Run("custom length", func(t *testing.T) {
+		id, err := id.New(id.Size(6))
+		assert.NoError(t, err, "shouldn't return error")
+		assert.Len(t, id, 6, "should return ID of requested length")
+	})
+}
--- a/util/pool/default.go
+++ b/util/pool/default.go
@@ -5,8 +5,8 @@ import (
 	"sync"
 	"time"

-	"github.com/google/uuid"
 	"github.com/unistack-org/micro/v3/network/transport"
+	"github.com/unistack-org/micro/v3/util/id"
 )

 type pool struct {
@@ -87,9 +87,13 @@ func (p *pool) Get(ctx context.Context, addr string, opts ...transport.DialOptio
 	if err != nil {
 		return nil, err
 	}
+	id, err := id.New()
+	if err != nil {
+		return nil, err
+	}
 	return &poolConn{
 		Client:  c,
-		id:      uuid.New().String(),
+		id:      id,
 		created: time.Now(),
 	}, nil
 }
--- a/util/ring/buffer.go
+++ b/util/ring/buffer.go
@@ -5,7 +5,7 @@ import (
 	"sync"
 	"time"

-	"github.com/google/uuid"
+	"github.com/unistack-org/micro/v3/util/id"
 )

 // Buffer is ring buffer
@@ -112,7 +112,7 @@ func (b *Buffer) Stream() (<-chan *Entry, chan bool) {
 	defer b.Unlock()

 	entries := make(chan *Entry, 128)
-	id := uuid.New().String()
+	id := id.Must()
 	stop := make(chan bool)

 	b.streams[id] = &Stream{
--- a/util/token/basic/basic.go
+++ b/util/token/basic/basic.go
@@ -6,9 +6,9 @@ import (
 	"fmt"
 	"time"

-	"github.com/google/uuid"
 	"github.com/unistack-org/micro/v3/auth"
 	"github.com/unistack-org/micro/v3/store"
+	"github.com/unistack-org/micro/v3/util/id"
 	"github.com/unistack-org/micro/v3/util/token"
 )

@@ -44,7 +44,11 @@ func (b *Basic) Generate(acc *auth.Account, opts ...token.GenerateOption) (*toke
 	}

 	// write to the store
-	key := uuid.New().String()
+	key, err := id.New()
+	if err !=nil {
+		return nil, err
+	}
+	
 	err = b.store.Write(context.Background(), fmt.Sprintf("%v%v", StorePrefix, key), bytes, store.WriteTTL(options.Expiry))
 	if err != nil {
 		return nil, err
--- a/util/token/jwt/jwt.go
+++ b/util/token/jwt/jwt.go
@@ -4,7 +4,7 @@ import (
 	"encoding/base64"
 	"time"

-	"github.com/golang-jwt/jwt"
+	"github.com/golang-jwt/jwt/v4"
 	"github.com/unistack-org/micro/v3/auth"
 	"github.com/unistack-org/micro/v3/metadata"
 	"github.com/unistack-org/micro/v3/util/token"
Author	SHA1	Message	Date
Vasiliy Tolstov	2fbaa26f0f	logger: add Clone method Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>	2021-08-30 16:21:01 +03:00
Vasiliy Tolstov	35d3e4b332	logger: breaking changes to log level parsing Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>	2021-08-30 16:21:01 +03:00
dependabot[bot]	e98a93d530	build(deps): bump github.com/unistack-org/micro-proto (#56 ) Bumps [github.com/unistack-org/micro-proto](https://github.com/unistack-org/micro-proto) from 0.0.5 to 0.0.8. - [Release notes](https://github.com/unistack-org/micro-proto/releases) - [Commits](https://github.com/unistack-org/micro-proto/compare/v0.0.5...v0.0.8) --- updated-dependencies: - dependency-name: github.com/unistack-org/micro-proto dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2021-08-30 16:20:10 +03:00
Vasiliy Tolstov	e3545532e8	minor changes Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>	2021-08-21 01:00:10 +03:00
Vasiliy Tolstov	09653c2fb2	util/id: specify default size for uuid behaviour Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>	2021-08-20 22:48:03 +03:00
Vasiliy Tolstov	70adfeab0d	fix flow Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>	2021-08-20 22:44:17 +03:00
Vasiliy Tolstov	a45b672c98	drop uuid and use modified nanoid Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>	2021-08-20 22:40:48 +03:00
Vasiliy Tolstov	4509323cae	update and regen all Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>	2021-08-16 23:56:50 +03:00
Vasiliy Tolstov	b3f4c670d5	regen all Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>	2021-08-16 18:57:19 +03:00
Vasiliy Tolstov	778dd449e2	logger: add NewStdLogger and RedirectStdLogger Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>	2021-08-06 13:45:11 +03:00
Vasiliy Tolstov	1d16983b67	logger: add NewStdLogger that can be used as std *log.Logger Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>	2021-08-06 11:52:04 +03:00
Vasiliy Tolstov	f386bffd37	logger: change logger interface Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>	2021-08-06 02:15:57 +03:00
Vasiliy Tolstov	772bde7938	network/tunnel/broker: fix metadata compile issue Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>	2021-08-06 02:14:56 +03:00
Vasiliy Tolstov	ea16f5f825	config/default: not implement watcher as it cant change Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>	2021-08-04 16:04:58 +03:00
Vasiliy Tolstov	c2f34df493	config: minor changes to split config and watcher files Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>	2021-08-04 13:51:43 +03:00