5d70567f1c
This allows for CH TXT queries that return some information about the server and/or the authors (or whatever you put in there).
45 lines
909 B
Go
45 lines
909 B
Go
package setup
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import (
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"github.com/miekg/coredns/middleware"
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"github.com/miekg/coredns/middleware/chaos"
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)
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// Chaos configures a new Chaos middleware instance.
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func Chaos(c *Controller) (middleware.Middleware, error) {
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version, authors, err := chaosParse(c)
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if err != nil {
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return nil, err
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}
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return func(next middleware.Handler) middleware.Handler {
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return chaos.Chaos{
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Next: next,
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Version: version,
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Authors: authors,
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}
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}, nil
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}
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func chaosParse(c *Controller) (string, map[string]bool, error) {
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version := ""
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authors := make(map[string]bool)
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for c.Next() {
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args := c.RemainingArgs()
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if len(args) == 0 {
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return defaultVersion, nil, nil
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}
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if len(args) == 1 {
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return args[0], nil, nil
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}
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version = args[0]
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for _, a := range args[1:] {
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authors[a] = true
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}
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return version, authors, nil
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}
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return version, authors, nil
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}
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const defaultVersion = "CoreDNS"
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