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package chaos
import (
"github.com/miekg/coredns/core/dnsserver"
"github.com/mholt/caddy"
)
func init() {
caddy.RegisterPlugin("chaos", caddy.Plugin{
ServerType: "dns",
Action: setup,
})
}
func setup(c *caddy.Controller) error {
version, authors, err := chaosParse(c)
if err != nil {
return err
}
dnsserver.GetConfig(c).AddMiddleware(func(next dnsserver.Handler) dnsserver.Handler {
return Chaos{Next: next, Version: version, Authors: authors}
})
return nil
}
func chaosParse(c *caddy.Controller) (string, map[string]bool, error) {
version := ""
authors := make(map[string]bool)
for c.Next() {
args := c.RemainingArgs()
if len(args) == 0 {
return defaultVersion, nil, nil
}
if len(args) == 1 {
return args[0], nil, nil
}
version = args[0]
for _, a := range args[1:] {
authors[a] = true
}
return version, authors, nil
}
return version, authors, nil
}
const defaultVersion = "CoreDNS"
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