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Use TCP for weave dns. #1038

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Feb 26, 2016
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Use TCP for weave dns. #1038

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5 changes: 4 additions & 1 deletion probe/appclient/resolver.go
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Original file line number Diff line number Diff line change
Expand Up @@ -57,10 +57,13 @@ func NewResolver(targets []string, lookup LookupIP, setters ...setter) Resolver

// LookupUsing produces a LookupIP function for the given DNS server.
func LookupUsing(dnsServer string) func(host string) (ips []net.IP, err error) {
client := dns.Client{
Net: "tcp",
}
return func(host string) (ips []net.IP, err error) {
m := &dns.Msg{}
m.SetQuestion(dns.Fqdn(host), dns.TypeA)
in, err := dns.Exchange(m, dnsServer)
in, _, err := client.Exchange(m, dnsServer)
if err != nil {
return nil, err
}
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