Function TestDynamicResolution

e2e/resolution_test.go:123–278

(t *testing.T)

}

func TestDynamicResolution(t *testing.T) {
	t.Parallel()
	h := NewHarness(t)

	dnsIP := GetIP(h.Subnet, 100)
	node1IP := GetIP(h.Subnet, 2)
	node2IP_A := GetIP(h.Subnet, 3)
	node2IP_B := GetIP(h.Subnet, 4)

	// Initial DNS setup
	corefile := `
. {
    file /etc/coredns/example.com.db example.com {
		reload 2s
	}
    log
    errors
}
`
	zoneFileA := fmt.Sprintf(`
example.com. 0 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2017042745 7200 3600 1209600 0
node2.example.com. 0 IN A %s
`, node2IP_A)
	h.StartDNS("dns", dnsIP, corefile, map[string]string{"example.com.db": zoneFileA})

	key1 := state.GenerateKey()
	key2 := state.GenerateKey()

	centralCfg := state.CentralCfg{
		Routers: []state.RouterCfg{
			{
				NodeCfg: state.NodeCfg{
					Id:        "node-1",
					PubKey:    key1.Pubkey(),
					Addresses: []netip.Addr{netip.MustParseAddr("10.0.0.1")},
				},
			},
			{
				NodeCfg: state.NodeCfg{
					Id:        "node-2",
					PubKey:    key2.Pubkey(),
					Addresses: []netip.Addr{netip.MustParseAddr("10.0.0.2")},
				},
				// Node 2's endpoint is a hostname
				Endpoints: []*state.DynamicEndpoint{
					state.NewDynamicEndpoint("node2.example.com"),
				},
			},
		},
		Graph: []string{"node-1, node-2"},
	}

	testDir := h.SetupTestDir()
	centralPath := h.WriteConfig(testDir, "central.yaml", centralCfg)

	node1Cfg := SimpleLocal("node-1", key1)
	node1Cfg.DnsResolvers = []string{dnsIP + ":53"}
	node1Path := h.WriteConfig(testDir, "node1.yaml", node1Cfg)