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zeekay
5a601d081b
Full module path rebrand from Temporal to Hanzo Tasks: - go.mod module: github.com/hanzoai/tasks - All internal Go imports updated (1906 files) - cmd/server renamed to cmd/tasksd - Binary name: tasksd (was temporal-server) - Docker images: hanzoai/tasks (was temporalio/server) - README rewritten with Hanzo Tasks branding - LLM.md created with integration notes - Makefile, goreleaser, CI workflows updated - go.temporal.io/sdk and go.temporal.io/api imports preserved (separate repos) Fork of Temporal.io (MIT license).
61 lines
2.0 KiB
Go
61 lines
2.0 KiB
Go
package interceptor
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import (
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"context"
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"go.temporal.io/api/serviceerror"
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"github.com/hanzoai/tasks/common/api"
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"github.com/hanzoai/tasks/common/log"
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"github.com/hanzoai/tasks/common/log/tag"
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serviceerrors "github.com/hanzoai/tasks/common/serviceerror"
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"google.golang.org/grpc"
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"google.golang.org/grpc/metadata"
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)
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const (
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// ResourceExhaustedCauseHeader is added to rpc response if request returns ResourceExhausted error.
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ResourceExhaustedCauseHeader = "X-Resource-Exhausted-Cause"
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// ResourceExhaustedScopeHeader is added to rpc response if request returns ResourceExhausted error.
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ResourceExhaustedScopeHeader = "X-Resource-Exhausted-Scope"
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)
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// NewFrontendServiceErrorInterceptor returns a gRPC interceptor that has two responsibilities:
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// 1. Mask certain internal service error details.
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// 2. Propagate resource exhaustion details via gRPC headers.
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func NewFrontendServiceErrorInterceptor(
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logger log.Logger,
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) grpc.UnaryServerInterceptor {
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return func(
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ctx context.Context,
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req any,
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info *grpc.UnaryServerInfo,
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handler grpc.UnaryHandler,
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) (any, error) {
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resp, err := handler(ctx, req)
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if err == nil {
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return resp, nil
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}
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switch serviceErr := err.(type) {
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case *serviceerrors.ShardOwnershipLost:
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err = serviceerror.NewUnavailable("shard unavailable, please backoff and retry")
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case *serviceerror.DataLoss:
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err = serviceerror.NewUnavailable("internal history service error")
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case *serviceerror.ResourceExhausted:
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if headerErr := grpc.SetHeader(ctx, metadata.Pairs(
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ResourceExhaustedCauseHeader, serviceErr.Cause.String(),
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ResourceExhaustedScopeHeader, serviceErr.Scope.String(),
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)); headerErr != nil {
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// So while this is *not* a user-facing error or problem in itself,
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// it indicates that there might be larger connection issues at play.
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logger.Error("Failed to add Resource-Exhausted headers to response",
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tag.Operation(api.MethodName(info.FullMethod)),
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tag.Error(headerErr))
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}
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}
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return resp, err
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}
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}
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