mirror of
				https://github.com/coredns/coredns.git
				synced 2025-10-30 01:34:21 -04:00 
			
		
		
		
	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.
		
			
				
	
	
		
			52 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package chaos
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| 
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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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| 
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| 	"github.com/mholt/caddy"
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| )
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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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| 
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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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| 
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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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| 
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| 	return nil
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| }
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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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| 
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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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| 
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| var defaultVersion = caddy.AppName + "-" + caddy.AppVersion
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