wehub-resource-sync
498b235461
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76 lines
2.9 KiB
Go
76 lines
2.9 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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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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"github.com/milvus-io/milvus/internal/util/hookutil"
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"github.com/milvus-io/milvus/pkg/v3/metrics"
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"github.com/milvus-io/milvus/pkg/v3/mlog"
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"github.com/milvus-io/milvus/pkg/v3/util/paramtable"
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)
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func UnaryServerHookInterceptor() grpc.UnaryServerInterceptor {
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return func(ctx context.Context, req any, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
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return HookInterceptor(ctx, req, GetCurUserFromContextOrDefault(ctx), info.FullMethod, handler)
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}
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}
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func HookInterceptor(ctx context.Context, req any, userName, fullMethod string, handler grpc.UnaryHandler) (interface{}, error) {
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hoo := hookutil.GetHook()
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var (
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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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mlog.Info(ctx, "hook mock", mlog.String("user", userName),
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mlog.String("full method", fullMethod), mlog.Err(err))
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metrics.ProxyHookFunc.WithLabelValues(metrics.HookMock, fullMethod).Inc()
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updateProxyFunctionCallMetric(fullMethod, err)
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if err != nil {
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// NOTE: don't use the merr, because it will cause the wrong retry behavior in the sdk
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err = status.Error(codes.InvalidArgument, "detail: "+err.Error())
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}
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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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mlog.Warn(ctx, "hook before error", mlog.String("user", userName), mlog.String("full method", fullMethod),
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mlog.Any("request", req), mlog.Err(err))
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metrics.ProxyHookFunc.WithLabelValues(metrics.HookBefore, fullMethod).Inc()
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updateProxyFunctionCallMetric(fullMethod, err)
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// NOTE: don't use the merr, because it will cause the wrong retry behavior in the sdk
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return nil, status.Error(codes.InvalidArgument, "detail: "+err.Error())
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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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mlog.Warn(ctx, "hook after error", mlog.String("user", userName), mlog.String("full method", fullMethod),
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mlog.Any("request", req), mlog.Err(err))
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metrics.ProxyHookFunc.WithLabelValues(metrics.HookAfter, fullMethod).Inc()
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updateProxyFunctionCallMetric(fullMethod, err)
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// NOTE: don't use the merr, because it will cause the wrong retry behavior in the sdk
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return nil, status.Error(codes.InvalidArgument, "detail: "+err.Error())
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}
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return realResp, realErr
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}
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func updateProxyFunctionCallMetric(fullMethod string, err error) {
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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, failMetricLabel(err), "", "").Inc()
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}
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