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Stricter json parsing (#204)

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This commit is contained in:
Holger Obermaier
2026-03-11 15:59:14 +01:00
committed by GitHub
parent a927565868
commit b65576431e
39 changed files with 246 additions and 191 deletions
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8
collectors/iostatMetric.go
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@@ -9,6 +9,7 @@ package collectors
import (
"bufio"
"bytes"
"encoding/json"
"errors"
"fmt"
@@ -52,9 +53,10 @@ func (m *IOstatCollector) Init(config json.RawMessage) error {
return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
}
if len(config) > 0 {
err = json.Unmarshal(config, &m.config)
if err != nil {
return err
d := json.NewDecoder(bytes.NewReader(config))
d.DisallowUnknownFields()
if err := d.Decode(&m.config); err != nil {
return fmt.Errorf("%s Init(): Error decoding JSON config: %w", m.name, err)
}
}
// https://www.kernel.org/doc/html/latest/admin-guide/iostats.html