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fix(inputs.snmp): Fix crash when trying to format fields from unknown OIDs (#16155)

This commit is contained in:
Thomas Casteleyn 2024-11-07 15:18:39 +01:00 committed by GitHub
parent 18b2d3cdc3
commit 58b4126f0b
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GPG Key ID: B5690EEEBB952194
1 changed files with 11 additions and 3 deletions
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14
internal/snmp/translator_gosmi.go
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@ -12,6 +12,8 @@ import (
"github.com/influxdata/telegraf"
)
var errCannotFormatUnkownType = errors.New("cannot format value, unknown type")
type gosmiTranslator struct {
}
@ -64,6 +66,10 @@ func (g *gosmiTranslator) SnmpFormatEnum(oid string, value interface{}, full boo
return "", err
}
if node.Type == nil {
return "", errCannotFormatUnkownType
}
var v models.Value
if full {
v = node.FormatValue(value, models.FormatEnumName, models.FormatEnumValue)
@ -71,7 +77,7 @@ func (g *gosmiTranslator) SnmpFormatEnum(oid string, value interface{}, full boo
v = node.FormatValue(value, models.FormatEnumName)
}
return v.Formatted, nil
return v.String(), nil
}
func (g *gosmiTranslator) SnmpFormatDisplayHint(oid string, value interface{}) (string, error) {
@ -85,9 +91,11 @@ func (g *gosmiTranslator) SnmpFormatDisplayHint(oid string, value interface{}) (
return "", err
}
v := node.FormatValue(value)
if node.Type == nil {
return "", errCannotFormatUnkownType
}
return v.Formatted, nil
return node.FormatValue(value).String(), nil
}
func getIndex(mibPrefix string, node gosmi.SmiNode) (col []string, tagOids map[string]struct{}) {