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[WiP] Adds testing for bridge's IPv6 support

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* 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>
This commit is contained in:
Christian Simon 2015-03-17 22:45:10 +01:00
parent f42acd070a
commit 4307ec283b
1 changed files with 118 additions and 0 deletions
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118
daemon/networkdriver/bridge/driver_test.go
View file

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