7f950e496a
* commit for testing in cluster * commit for testing in cluster * refactor and add ns.dns record * Release 007 * reduce heap allocations * gofmt * revert accidental Makefile commits * restore prior rcode for disabled pod mode * revert Makefile deltas * add unit tests * more unit tests * make isRequestInReverseRange easier to test * more unit tests * addressing review feedback * commit setup.go
133 lines
3 KiB
Go
133 lines
3 KiB
Go
package kubernetes
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import "testing"
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import "net"
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import "github.com/coredns/coredns/middleware/etcd/msg"
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import "k8s.io/client-go/1.5/pkg/api"
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import "github.com/miekg/dns"
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func TestRecordForNS(t *testing.T) {
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k := Kubernetes{Zones: []string{"inter.webs.test"}}
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corednsRecord.Hdr.Name = "coredns.kube-system."
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corednsRecord.A = net.IP("1.2.3.4")
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r, _ := k.parseRequest("inter.webs.test", dns.TypeNS)
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expected := "/coredns/test/webs/inter/kube-system/coredns"
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var svcs []msg.Service
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k.recordsForNS(r, &svcs)
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if svcs[0].Key != expected {
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t.Errorf("Expected result '%v'. Instead got result '%v'.", expected, svcs[0].Key)
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}
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}
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func TestDefaultNSMsg(t *testing.T) {
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k := Kubernetes{Zones: []string{"inter.webs.test"}}
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corednsRecord.Hdr.Name = "coredns.kube-system."
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corednsRecord.A = net.IP("1.2.3.4")
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r, _ := k.parseRequest("ns.dns.inter.webs.test", dns.TypeA)
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expected := "/coredns/test/webs/inter/dns/ns"
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svc := k.defaultNSMsg(r)
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if svc.Key != expected {
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t.Errorf("Expected result '%v'. Instead got result '%v'.", expected, svc.Key)
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}
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}
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func TestIsDefaultNS(t *testing.T) {
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k := Kubernetes{Zones: []string{"inter.webs.test"}}
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r, _ := k.parseRequest("ns.dns.inter.webs.test", dns.TypeA)
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var name string
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var expected bool
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name = "ns.dns.inter.webs.test"
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expected = true
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if isDefaultNS(name, r) != expected {
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t.Errorf("Expected IsDefaultNS('%v') to be '%v'.", name, expected)
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}
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name = "ns.dns.blah.inter.webs.test"
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expected = false
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if isDefaultNS(name, r) != expected {
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t.Errorf("Expected IsDefaultNS('%v') to be '%v'.", name, expected)
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}
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}
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type APIConnTest struct{}
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func (APIConnTest) Run() {
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return
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}
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func (APIConnTest) Stop() error {
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return nil
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}
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func (APIConnTest) ServiceList() []*api.Service {
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svc := api.Service{
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ObjectMeta: api.ObjectMeta{
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Name: "dns-service",
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Namespace: "kube-system",
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},
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Spec: api.ServiceSpec{
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ClusterIP: "10.0.0.111",
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},
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}
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return []*api.Service{&svc}
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}
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func (APIConnTest) PodIndex(string) []interface{} {
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return nil
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}
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func (APIConnTest) EndpointsList() api.EndpointsList {
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return api.EndpointsList{
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Items: []api.Endpoints{
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{
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Subsets: []api.EndpointSubset{
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{
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Addresses: []api.EndpointAddress{
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{
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IP: "172.0.40.10",
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},
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},
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},
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},
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ObjectMeta: api.ObjectMeta{
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Name: "dns-service",
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Namespace: "kube-system",
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},
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},
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},
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}
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}
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type InterfaceAddrsTest struct{}
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func (i InterfaceAddrsTest) InterfaceAddrs() ([]net.Addr, error) {
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_, ipnet, _ := net.ParseCIDR("172.0.40.10/32")
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return []net.Addr{ipnet}, nil
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}
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func TestDoCoreDNSRecord(t *testing.T) {
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corednsRecord = dns.A{}
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k := Kubernetes{Zones: []string{"inter.webs.test"}}
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k.interfaceAddrs = &InterfaceAddrsTest{}
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k.APIConn = &APIConnTest{}
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cdr := k.CoreDNSRecord()
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expected := "10.0.0.111"
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if cdr.A.String() != expected {
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t.Errorf("Expected A to be '%v', got '%v'", expected, cdr.A.String())
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}
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expected = "dns-service.kube-system.svc."
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if cdr.Hdr.Name != expected {
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t.Errorf("Expected Hdr.Name to be '%v', got '%v'", expected, cdr.Hdr.Name)
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}
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}
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