c4ab98c6e3
This checks if the next middleware to be called is nil, and if so returns ServerFailure and an error. This makes the next calling more robust and saves some lines of code. Also prefix the error with the name of the middleware to aid in debugging.
28 lines
516 B
Go
28 lines
516 B
Go
package whoami
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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("whoami", caddy.Plugin{
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ServerType: "dns",
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Action: setupWhoami,
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})
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}
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func setupWhoami(c *caddy.Controller) error {
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c.Next() // 'whoami'
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if c.NextArg() {
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return middleware.Error("whoami", c.ArgErr())
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}
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dnsserver.GetConfig(c).AddMiddleware(func(next middleware.Handler) middleware.Handler {
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return Whoami{}
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})
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return nil
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}
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