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middleware/file: don't reload zone when SOA isn't changed (#707)

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* middleware/file: don't reload zone when SOA isn't changed

Give Parse an extra argument which is the SOA's serial, if > 0 we check
against the just parsed SOA and then just return.

Most notable use is in reload.go which is both used in the file and auto
middleware.

Fixes #415

* PR comments
This commit is contained in:
Miek Gieben
2017-06-08 18:43:11 +01:00
committed by GitHub
parent 1c45e262f5
commit 990460ee7c
20 changed files with 122 additions and 80 deletions
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5
middleware/auto/walk.go
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@@ -45,9 +45,10 @@ func (a Auto) Walk() error {
}
defer reader.Close()
zo, err := file.Parse(reader, origin, path)
// Serial for loading a zone is 0, because it is a new zone.
zo, err := file.Parse(reader, origin, path, 0)
if err != nil {
// Parse barfs warning by itself...
log.Printf("[WARNING] Parse zone `%s': %v", origin, err)
return nil
}