123a76c91e
* middleware/proxy: absorb httpproxy Move the httproxy into proxy. This adds and Exchanger interface which is used to exchange the messages with the upstream. The https_google upstream will re-resolve itself and update the upstream hosts used every 300s. * Remove and add TODO
42 lines
785 B
Go
42 lines
785 B
Go
package proxy
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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("proxy", 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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upstreams, err := NewStaticUpstreams(&c.Dispenser)
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if err != nil {
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return middleware.Error("proxy", err)
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}
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P := &Proxy{}
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dnsserver.GetConfig(c).AddMiddleware(func(next middleware.Handler) middleware.Handler {
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P.Next = next
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P.Upstreams = &upstreams
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return P
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})
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c.OnStartup(OnStartupMetrics)
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for _, u := range upstreams {
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c.OnStartup(func() error {
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return u.Exchanger().OnStartup(P)
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})
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c.OnShutdown(func() error {
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return u.Exchanger().OnShutdown(P)
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})
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}
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return nil
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}
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