@@ -1,298 +0,0 @@
|
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// Package wrapper provides wrapper for Logger
|
||||
package wrapper
|
||||
|
||||
import (
|
||||
"context"
|
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"fmt"
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"go.unistack.org/micro/v4/client"
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"go.unistack.org/micro/v4/logger"
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"go.unistack.org/micro/v4/options"
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"go.unistack.org/micro/v4/server"
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)
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var (
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// DefaultClientCallObserver called by wrapper in client Call
|
||||
DefaultClientCallObserver = func(ctx context.Context, req client.Request, rsp interface{}, opts []options.Option, err error) []string {
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labels := []string{"service", req.Service(), "endpoint", req.Endpoint()}
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if err != nil {
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labels = append(labels, "error", err.Error())
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}
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return labels
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}
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// DefaultClientStreamObserver called by wrapper in client Stream
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DefaultClientStreamObserver = func(ctx context.Context, req client.Request, opts []options.Option, stream client.Stream, err error) []string {
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labels := []string{"service", req.Service(), "endpoint", req.Endpoint()}
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if err != nil {
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labels = append(labels, "error", err.Error())
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}
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return labels
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}
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// DefaultServerHandlerObserver called by wrapper in server Handler
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DefaultServerHandlerObserver = func(ctx context.Context, req server.Request, rsp interface{}, err error) []string {
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labels := []string{"service", req.Service(), "endpoint", req.Endpoint()}
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if err != nil {
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labels = append(labels, "error", err.Error())
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}
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return labels
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}
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// DefaultClientCallFuncObserver called by wrapper in client CallFunc
|
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DefaultClientCallFuncObserver = func(ctx context.Context, addr string, req client.Request, rsp interface{}, opts client.CallOptions, err error) []string {
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labels := []string{"service", req.Service(), "endpoint", req.Endpoint()}
|
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if err != nil {
|
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labels = append(labels, "error", err.Error())
|
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}
|
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return labels
|
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}
|
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|
||||
// DefaultSkipEndpoints wrapper not called for this endpoints
|
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DefaultSkipEndpoints = []string{"Meter.Metrics", "Health.Live", "Health.Ready", "Health.Version"}
|
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)
|
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type lWrapper struct {
|
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client.Client
|
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serverHandler server.HandlerFunc
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clientCallFunc client.CallFunc
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opts Options
|
||||
}
|
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|
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type (
|
||||
// ClientCallObserver func signature
|
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ClientCallObserver func(context.Context, client.Request, interface{}, []options.Option, error) []string
|
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// ClientStreamObserver func signature
|
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ClientStreamObserver func(context.Context, client.Request, []options.Option, client.Stream, error) []string
|
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// ClientCallFuncObserver func signature
|
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ClientCallFuncObserver func(context.Context, string, client.Request, interface{}, client.CallOptions, error) []string
|
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// ServerHandlerObserver func signature
|
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ServerHandlerObserver func(context.Context, server.Request, interface{}, error) []string
|
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)
|
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|
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// Options struct for wrapper
|
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type Options struct {
|
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// Logger that used for log
|
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Logger logger.Logger
|
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// ServerHandlerObservers funcs
|
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ServerHandlerObservers []ServerHandlerObserver
|
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// ClientCallObservers funcs
|
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ClientCallObservers []ClientCallObserver
|
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// ClientStreamObservers funcs
|
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ClientStreamObservers []ClientStreamObserver
|
||||
// ClientCallFuncObservers funcs
|
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ClientCallFuncObservers []ClientCallFuncObserver
|
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// SkipEndpoints
|
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SkipEndpoints []string
|
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// Level for logger
|
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Level logger.Level
|
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// Enabled flag
|
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Enabled bool
|
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}
|
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|
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// Option func signature
|
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type Option func(*Options)
|
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|
||||
// NewOptions creates Options from Option slice
|
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func NewOptions(opts ...Option) Options {
|
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options := Options{
|
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Logger: logger.DefaultLogger,
|
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Level: logger.TraceLevel,
|
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ClientCallObservers: []ClientCallObserver{DefaultClientCallObserver},
|
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ClientStreamObservers: []ClientStreamObserver{DefaultClientStreamObserver},
|
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ClientCallFuncObservers: []ClientCallFuncObserver{DefaultClientCallFuncObserver},
|
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ServerHandlerObservers: []ServerHandlerObserver{DefaultServerHandlerObserver},
|
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SkipEndpoints: DefaultSkipEndpoints,
|
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}
|
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|
||||
for _, o := range opts {
|
||||
o(&options)
|
||||
}
|
||||
|
||||
return options
|
||||
}
|
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|
||||
// WithEnabled enable/diable flag
|
||||
func WithEnabled(b bool) Option {
|
||||
return func(o *Options) {
|
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o.Enabled = b
|
||||
}
|
||||
}
|
||||
|
||||
// WithLevel log level
|
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func WithLevel(l logger.Level) Option {
|
||||
return func(o *Options) {
|
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o.Level = l
|
||||
}
|
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}
|
||||
|
||||
// WithLogger logger
|
||||
func WithLogger(l logger.Logger) Option {
|
||||
return func(o *Options) {
|
||||
o.Logger = l
|
||||
}
|
||||
}
|
||||
|
||||
// WithClientCallObservers funcs
|
||||
func WithClientCallObservers(ob ...ClientCallObserver) Option {
|
||||
return func(o *Options) {
|
||||
o.ClientCallObservers = ob
|
||||
}
|
||||
}
|
||||
|
||||
// WithClientStreamObservers funcs
|
||||
func WithClientStreamObservers(ob ...ClientStreamObserver) Option {
|
||||
return func(o *Options) {
|
||||
o.ClientStreamObservers = ob
|
||||
}
|
||||
}
|
||||
|
||||
// WithClientCallFuncObservers funcs
|
||||
func WithClientCallFuncObservers(ob ...ClientCallFuncObserver) Option {
|
||||
return func(o *Options) {
|
||||
o.ClientCallFuncObservers = ob
|
||||
}
|
||||
}
|
||||
|
||||
// WithServerHandlerObservers funcs
|
||||
func WithServerHandlerObservers(ob ...ServerHandlerObserver) Option {
|
||||
return func(o *Options) {
|
||||
o.ServerHandlerObservers = ob
|
||||
}
|
||||
}
|
||||
|
||||
// SkipEndpoins
|
||||
func SkipEndpoints(eps ...string) Option {
|
||||
return func(o *Options) {
|
||||
o.SkipEndpoints = append(o.SkipEndpoints, eps...)
|
||||
}
|
||||
}
|
||||
|
||||
func (l *lWrapper) Call(ctx context.Context, req client.Request, rsp interface{}, opts ...options.Option) error {
|
||||
err := l.Client.Call(ctx, req, rsp, opts...)
|
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|
||||
endpoint := fmt.Sprintf("%s.%s", req.Service(), req.Endpoint())
|
||||
for _, ep := range l.opts.SkipEndpoints {
|
||||
if ep == endpoint {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
if !l.opts.Enabled {
|
||||
return err
|
||||
}
|
||||
|
||||
var labels []string
|
||||
for _, o := range l.opts.ClientCallObservers {
|
||||
labels = append(labels, o(ctx, req, rsp, opts, err)...)
|
||||
}
|
||||
l.opts.Logger.Fields(labels).Log(ctx, l.opts.Level)
|
||||
|
||||
return err
|
||||
}
|
||||
|
||||
func (l *lWrapper) Stream(ctx context.Context, req client.Request, opts ...options.Option) (client.Stream, error) {
|
||||
stream, err := l.Client.Stream(ctx, req, opts...)
|
||||
|
||||
endpoint := fmt.Sprintf("%s.%s", req.Service(), req.Endpoint())
|
||||
for _, ep := range l.opts.SkipEndpoints {
|
||||
if ep == endpoint {
|
||||
return stream, err
|
||||
}
|
||||
}
|
||||
|
||||
if !l.opts.Enabled {
|
||||
return stream, err
|
||||
}
|
||||
|
||||
var labels []string
|
||||
for _, o := range l.opts.ClientStreamObservers {
|
||||
labels = append(labels, o(ctx, req, opts, stream, err)...)
|
||||
}
|
||||
l.opts.Logger.Fields(labels).Log(ctx, l.opts.Level)
|
||||
|
||||
return stream, err
|
||||
}
|
||||
|
||||
func (l *lWrapper) ServerHandler(ctx context.Context, req server.Request, rsp interface{}) error {
|
||||
err := l.serverHandler(ctx, req, rsp)
|
||||
|
||||
endpoint := req.Endpoint()
|
||||
for _, ep := range l.opts.SkipEndpoints {
|
||||
if ep == endpoint {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
if !l.opts.Enabled {
|
||||
return err
|
||||
}
|
||||
|
||||
var labels []string
|
||||
for _, o := range l.opts.ServerHandlerObservers {
|
||||
labels = append(labels, o(ctx, req, rsp, err)...)
|
||||
}
|
||||
l.opts.Logger.Fields(labels).Log(ctx, l.opts.Level)
|
||||
|
||||
return err
|
||||
}
|
||||
|
||||
// NewClientWrapper accepts an open options and returns a Client Wrapper
|
||||
func NewClientWrapper(opts ...Option) client.Wrapper {
|
||||
return func(c client.Client) client.Client {
|
||||
options := NewOptions()
|
||||
for _, o := range opts {
|
||||
o(&options)
|
||||
}
|
||||
return &lWrapper{opts: options, Client: c}
|
||||
}
|
||||
}
|
||||
|
||||
// NewClientCallWrapper accepts an options and returns a Call Wrapper
|
||||
func NewClientCallWrapper(opts ...Option) client.CallWrapper {
|
||||
return func(h client.CallFunc) client.CallFunc {
|
||||
options := NewOptions()
|
||||
for _, o := range opts {
|
||||
o(&options)
|
||||
}
|
||||
|
||||
l := &lWrapper{opts: options, clientCallFunc: h}
|
||||
return l.ClientCallFunc
|
||||
}
|
||||
}
|
||||
|
||||
func (l *lWrapper) ClientCallFunc(ctx context.Context, addr string, req client.Request, rsp interface{}, opts client.CallOptions) error {
|
||||
err := l.clientCallFunc(ctx, addr, req, rsp, opts)
|
||||
|
||||
endpoint := fmt.Sprintf("%s.%s", req.Service(), req.Endpoint())
|
||||
for _, ep := range l.opts.SkipEndpoints {
|
||||
if ep == endpoint {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
if !l.opts.Enabled {
|
||||
return err
|
||||
}
|
||||
|
||||
var labels []string
|
||||
for _, o := range l.opts.ClientCallFuncObservers {
|
||||
labels = append(labels, o(ctx, addr, req, rsp, opts, err)...)
|
||||
}
|
||||
l.opts.Logger.Fields(labels).Log(ctx, l.opts.Level)
|
||||
|
||||
return err
|
||||
}
|
||||
|
||||
// NewServerHandlerWrapper accepts an options and returns a Handler Wrapper
|
||||
func NewServerHandlerWrapper(opts ...Option) server.HandlerWrapper {
|
||||
return func(h server.HandlerFunc) server.HandlerFunc {
|
||||
options := NewOptions()
|
||||
for _, o := range opts {
|
||||
o(&options)
|
||||
}
|
||||
|
||||
l := &lWrapper{opts: options, serverHandler: h}
|
||||
return l.ServerHandler
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user