36 lines
893 B
Go
36 lines
893 B
Go
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package tenantctx
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import (
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"context"
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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 headerKey = "x-tenant-id"
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func InjectTenantId(ctx context.Context, tenantId string) context.Context {
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return metadata.AppendToOutgoingContext(ctx, headerKey, tenantId)
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}
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func ExtractTenantId(ctx context.Context) string {
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md, ok := metadata.FromIncomingContext(ctx)
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if !ok {
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return ""
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}
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vals := md.Get(headerKey)
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if len(vals) == 0 {
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return ""
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}
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return vals[0]
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}
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func UnaryClientInterceptor() grpc.UnaryClientInterceptor {
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return func(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
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if tid, ok := ctx.Value("tenantId").(string); ok && tid != "" {
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ctx = metadata.AppendToOutgoingContext(ctx, headerKey, tid)
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}
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return invoker(ctx, method, req, reply, cc, opts...)
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}
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}
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