2dd8a687b3
Stop the caddy message and start our own init notifications. Log the version of CoreDNS when starting up. Fix all middleware's setup functions so that return the error prefixed with *which* middleware was failing; leads to better debuggable errors when starting up.
51 lines
1 KiB
Go
51 lines
1 KiB
Go
package chaos
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import (
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"github.com/miekg/coredns/core/dnsserver"
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"github.com/miekg/coredns/middleware"
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"github.com/mholt/caddy"
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)
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func init() {
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caddy.RegisterPlugin("chaos", caddy.Plugin{
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ServerType: "dns",
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Action: setup,
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})
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}
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func setup(c *caddy.Controller) error {
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version, authors, err := chaosParse(c)
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if err != nil {
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return middleware.Error("chaos", err)
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}
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dnsserver.GetConfig(c).AddMiddleware(func(next dnsserver.Handler) dnsserver.Handler {
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return Chaos{Next: next, Version: version, Authors: authors}
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})
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return nil
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}
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func chaosParse(c *caddy.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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var defaultVersion = caddy.AppName + "-" + caddy.AppVersion
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