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add MustNormalize (#3385)

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Signed-off-by: Chris O'Haver <cohaver@infoblox.com>
This commit is contained in:
Chris O'Haver 2019-10-19 03:08:14 -04:00 • committed by Miek Gieben
parent 5f114d38ca
commit 6f375cbbda
2 changed files with 26 additions and 2 deletions
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17
plugin/normalize.go
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@ -61,13 +61,26 @@ type (
// Normalize will return the host portion of host, stripping
// of any port or transport. The host will also be fully qualified and lowercased.
// An empty string is returned on failure
func (h Host) Normalize() string {
// The error can be ignored here, because this function should only be called after the corefile has already been vetted.
host, _ := h.MustNormalize()
return host
}
// MustNormalize will return the host portion of host, stripping
// of any port or transport. The host will also be fully qualified and lowercased.
// An error is returned on error
func (h Host) MustNormalize() (string, error) {
s := string(h)
_, s = parse.Transport(s)
// The error can be ignored here, because this function is called after the corefile has already been vetted.
host, _, _, _ := SplitHostPort(s)
return Name(host).Normalize()
host, _, _, err := SplitHostPort(s)
if err != nil {
return "", err
}
return Name(host).Normalize(), nil
}
// SplitHostPort splits s up in a host and port portion, taking reverse address notation into account.