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Fix relabel.Regexp zero value marshalling (#14517)

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Signed-off-by: Marco Pracucci <marco@pracucci.com>
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Marco Pracucci 2024-07-26 14:55:39 +02:00 committed by GitHub
parent 71c90c71d4
commit d4f098ae80
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2 changed files with 17 additions and 0 deletions
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4
model/relabel/relabel.go
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@ -213,6 +213,10 @@ func (re Regexp) IsZero() bool {
// String returns the original string used to compile the regular expression.
func (re Regexp) String() string {
if re.Regexp == nil {
return ""
}
str := re.Regexp.String()
// Trim the anchor `^(?:` prefix and `)$` suffix.
return str[4 : len(str)-2]

13
model/relabel/relabel_test.go
View file

@ -900,3 +900,16 @@ action: replace
})
}
}
func TestRegexp_ShouldMarshalAndUnmarshalZeroValue(t *testing.T) {
var zero Regexp
marshalled, err := yaml.Marshal(&zero)
require.NoError(t, err)
require.Equal(t, "null\n", string(marshalled))
var unmarshalled Regexp
err = yaml.Unmarshal(marshalled, &unmarshalled)
require.NoError(t, err)
require.Nil(t, unmarshalled.Regexp)
}