Optionally disable tunneldns http response caching to fix #745
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@ -4,6 +4,7 @@ import (
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"net"
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"strconv"
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"sync"
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"os"
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"github.com/coredns/coredns/core/dnsserver"
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"github.com/coredns/coredns/plugin"
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@ -90,12 +91,19 @@ func CreateListener(address string, port uint16, upstreams []string, bootstraps
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upstreamList = append(upstreamList, upstream)
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}
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// Create a local cache with HTTPS proxy plugin
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chain := cache.New()
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chain.Next = ProxyPlugin{
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Upstreams: upstreamList,
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}
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}
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// Optionally disable http response caching
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if os.Getenv("DISABLE_TUNNELDNS_CACHE") == "true" {
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chain.Next = ProxyPlugin{}
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}
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// Format an endpoint
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endpoint := "dns://" + net.JoinHostPort(address, strconv.FormatUint(uint64(port), 10))
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