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f901b0cefa
* tests: CoreDNSServerAndPorts Copy from kubernetes.go and renamed to fit the style, adapted almost all callers. This is a mechanicl change, no testdata was changed. * typos
56 lines
1.4 KiB
Go
56 lines
1.4 KiB
Go
package test
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import (
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"testing"
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"github.com/miekg/dns"
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)
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// Start 2 tests server, server A will proxy to B, server B is an CH server.
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func TestProxyToChaosServer(t *testing.T) {
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t.Parallel()
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corefile := `.:0 {
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chaos CoreDNS-001 miek@miek.nl
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}
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`
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chaos, udpChaos, _, err := CoreDNSServerAndPorts(corefile)
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if err != nil {
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t.Fatalf("Could not get CoreDNS serving instance: %s", err)
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}
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defer chaos.Stop()
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corefileProxy := `.:0 {
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proxy . ` + udpChaos + `
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}
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`
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proxy, udp, _, err := CoreDNSServerAndPorts(corefileProxy)
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if err != nil {
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t.Fatalf("Could not get CoreDNS serving instance")
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}
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defer proxy.Stop()
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chaosTest(t, udpChaos)
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chaosTest(t, udp)
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// chaosTest(t, tcp, "tcp"), commented out because we use the original transport to reach the
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// proxy and we only forward to the udp port.
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}
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func chaosTest(t *testing.T, server string) {
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m := new(dns.Msg)
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m.Question = make([]dns.Question, 1)
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m.Question[0] = dns.Question{Qclass: dns.ClassCHAOS, Name: "version.bind.", Qtype: dns.TypeTXT}
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r, err := dns.Exchange(m, server)
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if err != nil {
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t.Fatalf("Could not send message: %s", err)
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}
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if r.Rcode != dns.RcodeSuccess || len(r.Answer) == 0 {
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t.Fatalf("Expected successful reply, got %s", dns.RcodeToString[r.Rcode])
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}
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if r.Answer[0].String() != `version.bind. 0 CH TXT "CoreDNS-001"` {
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t.Fatalf("Expected version.bind. reply, got %s", r.Answer[0].String())
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}
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}
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