[WiP] Adds testing for bridge's IPv6 support
* fixes #10001 * test for global subnets <= 80 * test for global subnets > 80 * test link local allocations * test duplicated addresses * test regression from bug #11427 Signed-off-by: Christian Simon <simon@swine.de>
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@ -1,6 +1,7 @@
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package bridge
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import (
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"fmt"
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"net"
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"strconv"
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"testing"
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@ -104,6 +105,123 @@ func TestHostnameFormatChecking(t *testing.T) {
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}
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}
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func newInterfaceAllocation(t *testing.T, input engine.Env) (output engine.Env) {
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eng := engine.New()
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eng.Logging = false
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done := make(chan bool)
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// set IPv6 global if given
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if input.Exists("globalIPv6Network") {
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_, globalIPv6Network, _ = net.ParseCIDR(input.Get("globalIPv6Network"))
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}
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job := eng.Job("allocate_interface", "container_id")
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job.Env().Init(&input)
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reader, _ := job.Stdout.AddPipe()
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go func() {
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output.Decode(reader)
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done <- true
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}()
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res := Allocate(job)
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job.Stdout.Close()
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<-done
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if input.Exists("expectFail") && input.GetBool("expectFail") {
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if res == engine.StatusOK {
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t.Fatal("Doesn't fail to allocate network interface")
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}
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} else {
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if res != engine.StatusOK {
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t.Fatal("Failed to allocate network interface")
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}
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}
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if input.Exists("globalIPv6Network") {
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// check for bug #11427
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_, subnet, _ := net.ParseCIDR(input.Get("globalIPv6Network"))
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if globalIPv6Network.IP.String() != subnet.IP.String() {
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t.Fatal("globalIPv6Network was modified during allocation")
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}
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// clean up IPv6 global
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globalIPv6Network = nil
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}
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return
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}
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func TestIPv6InterfaceAllocationAutoNetmaskGt80(t *testing.T) {
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input := engine.Env{}
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_, subnet, _ := net.ParseCIDR("2001:db8:1234:1234:1234::/81")
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// set global ipv6
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input.Set("globalIPv6Network", subnet.String())
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output := newInterfaceAllocation(t, input)
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// ensure low manually assigend global ip
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ip := net.ParseIP(output.Get("GlobalIPv6"))
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_, subnet, _ = net.ParseCIDR(fmt.Sprintf("%s/%d", subnet.IP.String(), 120))
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if !subnet.Contains(ip) {
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t.Fatalf("Error ip %s not in subnet %s", ip.String(), subnet.String())
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}
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}
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func TestIPv6InterfaceAllocationAutoNetmaskLe80(t *testing.T) {
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input := engine.Env{}
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_, subnet, _ := net.ParseCIDR("2001:db8:1234:1234:1234::/80")
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// set global ipv6
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input.Set("globalIPv6Network", subnet.String())
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input.Set("RequestedMac", "ab:cd:ab:cd:ab:cd")
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output := newInterfaceAllocation(t, input)
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// ensure global ip with mac
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ip := net.ParseIP(output.Get("GlobalIPv6"))
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expected_ip := net.ParseIP("2001:db8:1234:1234:1234:abcd:abcd:abcd")
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if ip.String() != expected_ip.String() {
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t.Fatalf("Error ip %s should be %s", ip.String(), expected_ip.String())
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}
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// ensure link local format
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ip = net.ParseIP(output.Get("LinkLocalIPv6"))
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expected_ip = net.ParseIP("fe80::a9cd:abff:fecd:abcd")
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if ip.String() != expected_ip.String() {
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t.Fatalf("Error ip %s should be %s", ip.String(), expected_ip.String())
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}
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}
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func TestIPv6InterfaceAllocationRequest(t *testing.T) {
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input := engine.Env{}
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_, subnet, _ := net.ParseCIDR("2001:db8:1234:1234:1234::/80")
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expected_ip := net.ParseIP("2001:db8:1234:1234:1234::1328")
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// set global ipv6
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input.Set("globalIPv6Network", subnet.String())
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input.Set("RequestedIPv6", expected_ip.String())
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output := newInterfaceAllocation(t, input)
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// ensure global ip with mac
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ip := net.ParseIP(output.Get("GlobalIPv6"))
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if ip.String() != expected_ip.String() {
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t.Fatalf("Error ip %s should be %s", ip.String(), expected_ip.String())
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}
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// retry -> fails for duplicated address
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input.SetBool("expectFail", true)
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output = newInterfaceAllocation(t, input)
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}
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func TestMacAddrGeneration(t *testing.T) {
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ip := net.ParseIP("192.168.0.1")
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mac := generateMacAddr(ip).String()
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