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package setup
import (
"strconv"
"github.com/miekg/coredns/middleware"
)
func parseRoller(c *Controller) (*middleware.LogRoller, error) {
var size, age, keep int
// This is kind of a hack to support nested blocks:
// As we are already in a block: either log or errors,
// c.nesting > 0 but, as soon as c meets a }, it thinks
// the block is over and return false for c.NextBlock.
for c.NextBlock() {
what := c.Val()
if !c.NextArg() {
return nil, c.ArgErr()
}
value := c.Val()
var err error
switch what {
case "size":
size, err = strconv.Atoi(value)
case "age":
age, err = strconv.Atoi(value)
case "keep":
keep, err = strconv.Atoi(value)
}
if err != nil {
return nil, err
}
}
return &middleware.LogRoller{
MaxSize: size,
MaxAge: age,
MaxBackups: keep,
LocalTime: true,
}, nil
}
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