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feat(otel): Add a 'error_type' metrics attribute to separate context errors (#3566)

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Co-authored-by: vragov_pf <vragov_pf@magnit.ru>
This commit is contained in:
pvragov
2025-10-29 21:09:12 +07:00
committed by GitHub
parent 5771fa474a
commit 7f48276660
1 changed files with 20 additions and 3 deletions
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23
extra/redisotel/metrics.go
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@@ -2,6 +2,7 @@ package redisotel
import (
"context"
"errors"
"fmt"
"net"
"sync"
@@ -271,9 +272,10 @@ func (mh *metricsHook) DialHook(hook redis.DialHook) redis.DialHook {
dur := time.Since(start)
attrs := make([]attribute.KeyValue, 0, len(mh.attrs)+1)
attrs := make([]attribute.KeyValue, 0, len(mh.attrs)+2)
attrs = append(attrs, mh.attrs...)
attrs = append(attrs, statusAttr(err))
attrs = append(attrs, errorTypeAttribute(err))
mh.createTime.Record(ctx, milliseconds(dur), metric.WithAttributeSet(attribute.NewSet(attrs...)))
return conn, err
@@ -288,10 +290,11 @@ func (mh *metricsHook) ProcessHook(hook redis.ProcessHook) redis.ProcessHook {
dur := time.Since(start)
attrs := make([]attribute.KeyValue, 0, len(mh.attrs)+2)
attrs := make([]attribute.KeyValue, 0, len(mh.attrs)+3)
attrs = append(attrs, mh.attrs...)
attrs = append(attrs, attribute.String("type", "command"))
attrs = append(attrs, statusAttr(err))
attrs = append(attrs, errorTypeAttribute(err))
mh.useTime.Record(ctx, milliseconds(dur), metric.WithAttributeSet(attribute.NewSet(attrs...)))
@@ -309,10 +312,11 @@ func (mh *metricsHook) ProcessPipelineHook(
dur := time.Since(start)
attrs := make([]attribute.KeyValue, 0, len(mh.attrs)+2)
attrs := make([]attribute.KeyValue, 0, len(mh.attrs)+3)
attrs = append(attrs, mh.attrs...)
attrs = append(attrs, attribute.String("type", "pipeline"))
attrs = append(attrs, statusAttr(err))
attrs = append(attrs, errorTypeAttribute(err))
mh.useTime.Record(ctx, milliseconds(dur), metric.WithAttributeSet(attribute.NewSet(attrs...)))
@@ -330,3 +334,16 @@ func statusAttr(err error) attribute.KeyValue {
}
return attribute.String("status", "ok")
}
func errorTypeAttribute(err error) attribute.KeyValue {
switch {
case err == nil:
return attribute.String("error_type", "none")
case errors.Is(err, context.Canceled):
return attribute.String("error_type", "context_canceled")
case errors.Is(err, context.DeadlineExceeded):
return attribute.String("error_type", "context_timeout")
default:
return attribute.String("error_type", "other")
}
}