mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-04 04:49:08 +08:00
89 lines
2.7 KiB
Go
89 lines
2.7 KiB
Go
package proxy
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import (
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"context"
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"strconv"
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"strings"
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"go.uber.org/zap"
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"google.golang.org/grpc"
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"github.com/milvus-io/milvus-proto/go-api/v2/hook"
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"github.com/milvus-io/milvus/internal/util/hookutil"
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"github.com/milvus-io/milvus/pkg/log"
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"github.com/milvus-io/milvus/pkg/metrics"
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"github.com/milvus-io/milvus/pkg/util/paramtable"
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)
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var hoo hook.Hook
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func UnaryServerHookInterceptor() grpc.UnaryServerInterceptor {
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hookutil.InitOnceHook()
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hoo = hookutil.Hoo
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return func(ctx context.Context, req any, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
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var (
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fullMethod = info.FullMethod
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newCtx context.Context
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isMock bool
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mockResp interface{}
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realResp interface{}
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realErr error
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err error
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)
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if isMock, mockResp, err = hoo.Mock(ctx, req, fullMethod); isMock {
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log.Info("hook mock", zap.String("user", getCurrentUser(ctx)),
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zap.String("full method", fullMethod), zap.Error(err))
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metrics.ProxyHookFunc.WithLabelValues(metrics.HookMock, fullMethod).Inc()
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updateProxyFunctionCallMetric(fullMethod)
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return mockResp, err
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}
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if newCtx, err = hoo.Before(ctx, req, fullMethod); err != nil {
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log.Warn("hook before error", zap.String("user", getCurrentUser(ctx)), zap.String("full method", fullMethod),
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zap.Any("request", req), zap.Error(err))
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metrics.ProxyHookFunc.WithLabelValues(metrics.HookBefore, fullMethod).Inc()
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updateProxyFunctionCallMetric(fullMethod)
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return nil, err
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}
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realResp, realErr = handler(newCtx, req)
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if err = hoo.After(newCtx, realResp, realErr, fullMethod); err != nil {
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log.Warn("hook after error", zap.String("user", getCurrentUser(ctx)), zap.String("full method", fullMethod),
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zap.Any("request", req), zap.Error(err))
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metrics.ProxyHookFunc.WithLabelValues(metrics.HookAfter, fullMethod).Inc()
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updateProxyFunctionCallMetric(fullMethod)
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return nil, err
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}
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return realResp, realErr
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}
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}
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func updateProxyFunctionCallMetric(fullMethod string) {
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strs := strings.Split(fullMethod, "/")
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method := strs[len(strs)-1]
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if method == "" {
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return
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}
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metrics.ProxyFunctionCall.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10), method, metrics.TotalLabel, "", "").Inc()
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metrics.ProxyFunctionCall.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10), method, metrics.FailLabel, "", "").Inc()
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}
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func getCurrentUser(ctx context.Context) string {
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username, err := GetCurUserFromContext(ctx)
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if err != nil {
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log.Warn("fail to get current user", zap.Error(err))
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}
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return username
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}
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func SetMockAPIHook(apiUser string, mockErr error) {
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if apiUser == "" && mockErr == nil {
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hoo = &hookutil.DefaultHook{}
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return
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}
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hoo = &hookutil.MockAPIHook{
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MockErr: mockErr,
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User: apiUser,
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}
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}
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