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0f6380b474
# Which Problems Are Solved
Comparing the v3 and v4 deployments we noticed an increase in memory
usage. A first analysis revealed that it might be related to the
(multiple) initialization of the `i18n.Translator`, partially related
# How the Problems Are Solved
Initialize the tranlator once (apart from the translator interceptor,
which uses context / request specific information) and pass it to all
necessary middleware.
# Additional Changes
Removed unnecessary error return parameter from the translator
initialization.
# Additional Context
- noticed internally
- backport to v4.x
(cherry picked from commit a0c3ccecf7)
38 lines
1015 B
Go
38 lines
1015 B
Go
package connect_middleware
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import (
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"context"
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"connectrpc.com/connect"
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"github.com/zitadel/zitadel/internal/api/authz"
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"github.com/zitadel/zitadel/internal/i18n"
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_ "github.com/zitadel/zitadel/internal/statik"
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"github.com/zitadel/zitadel/internal/telemetry/tracing"
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)
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func TranslationHandler() connect.UnaryInterceptorFunc {
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return func(handler connect.UnaryFunc) connect.UnaryFunc {
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return func(ctx context.Context, req connect.AnyRequest) (connect.AnyResponse, error) {
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resp, err := handler(ctx, req)
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ctx, span := tracing.NewSpan(ctx)
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defer func() { span.EndWithError(err) }()
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if err != nil {
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translator := getTranslator(ctx)
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return resp, translateError(ctx, err, translator)
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}
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if loc, ok := resp.Any().(localizers); ok {
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translator := getTranslator(ctx)
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translateFields(ctx, loc, translator)
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}
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return resp, nil
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}
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}
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}
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func getTranslator(ctx context.Context) *i18n.Translator {
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return i18n.NewZitadelTranslator(authz.GetInstance(ctx).DefaultLanguage())
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}
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