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	Abstract the caddy call and make it simpler. See #3261 for some part of the discussion. Go from: ~~~ go func init() { caddy.RegisterPlugin("any", caddy.Plugin{ ServerType: "dns", Action: setup, }) } ~~~ To: ~~~ go func init() { plugin.Register("any", setup) } ~~~ This requires some external documents in coredns.io to be updated as well; the old way still works, so it's backwards compatible. Signed-off-by: Miek Gieben <miek@miek.nl>
		
			
				
	
	
		
			68 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
//go:generate go run owners_generate.go
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package chaos
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import (
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	"sort"
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	"github.com/coredns/coredns/core/dnsserver"
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	"github.com/coredns/coredns/plugin"
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	"github.com/caddyserver/caddy"
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)
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func init() { plugin.Register("chaos", setup) }
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func setup(c *caddy.Controller) error {
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	version, authors, err := parse(c)
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	if err != nil {
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		return plugin.Error("chaos", err)
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	}
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	dnsserver.GetConfig(c).AddPlugin(func(next plugin.Handler) plugin.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 parse(c *caddy.Controller) (string, []string, error) {
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	// Set here so we pick up AppName and AppVersion that get set in coremain's init().
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	chaosVersion = caddy.AppName + "-" + caddy.AppVersion
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	version := ""
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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 trim(chaosVersion), Owners, nil
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		}
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		if len(args) == 1 {
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			return trim(args[0]), Owners, nil
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		}
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		version = args[0]
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		authors := make(map[string]struct{})
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		for _, a := range args[1:] {
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			authors[a] = struct{}{}
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		}
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		list := []string{}
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		for k := range authors {
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			k = trim(k) // limit size to 255 chars
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			list = append(list, k)
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		}
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		sort.Strings(list)
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		return version, list, nil
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	}
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	return version, Owners, nil
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}
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func trim(s string) string {
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	if len(s) < 256 {
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		return s
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	}
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	return s[:255]
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}
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var chaosVersion string
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