open-nomad/nomad/structs/network_test.go
2015-11-16 13:10:57 -08:00

358 lines
7.2 KiB
Go

package structs
import (
"net"
"reflect"
"testing"
)
func TestNetworkIndex_Overcommitted(t *testing.T) {
idx := NewNetworkIndex()
// Consume some network
reserved := &NetworkResource{
Device: "eth0",
IP: "192.168.0.100",
MBits: 505,
ReservedPorts: []Port{{"one", 8000}, {"two", 9000}},
}
collide := idx.AddReserved(reserved)
if collide {
t.Fatalf("bad")
}
if !idx.Overcommitted() {
t.Fatalf("have no resources")
}
// Add resources
n := &Node{
Resources: &Resources{
Networks: []*NetworkResource{
&NetworkResource{
Device: "eth0",
CIDR: "192.168.0.100/32",
MBits: 1000,
},
},
},
}
idx.SetNode(n)
if idx.Overcommitted() {
t.Fatalf("have resources")
}
// Double up our ussage
idx.AddReserved(reserved)
if !idx.Overcommitted() {
t.Fatalf("should be overcommitted")
}
}
func TestNetworkIndex_SetNode(t *testing.T) {
idx := NewNetworkIndex()
n := &Node{
Resources: &Resources{
Networks: []*NetworkResource{
&NetworkResource{
Device: "eth0",
CIDR: "192.168.0.100/32",
MBits: 1000,
},
},
},
Reserved: &Resources{
Networks: []*NetworkResource{
&NetworkResource{
Device: "eth0",
IP: "192.168.0.100",
ReservedPorts: []Port{{"ssh", 22}},
MBits: 1,
},
},
},
}
collide := idx.SetNode(n)
if collide {
t.Fatalf("bad")
}
if len(idx.AvailNetworks) != 1 {
t.Fatalf("Bad")
}
if idx.AvailBandwidth["eth0"] != 1000 {
t.Fatalf("Bad")
}
if idx.UsedBandwidth["eth0"] != 1 {
t.Fatalf("Bad")
}
if _, ok := idx.UsedPorts["192.168.0.100"][22]; !ok {
t.Fatalf("Bad")
}
}
func TestNetworkIndex_AddAllocs(t *testing.T) {
idx := NewNetworkIndex()
allocs := []*Allocation{
&Allocation{
TaskResources: map[string]*Resources{
"web": &Resources{
Networks: []*NetworkResource{
&NetworkResource{
Device: "eth0",
IP: "192.168.0.100",
MBits: 20,
ReservedPorts: []Port{{"one", 8000}, {"two", 9000}},
},
},
},
},
},
&Allocation{
TaskResources: map[string]*Resources{
"api": &Resources{
Networks: []*NetworkResource{
&NetworkResource{
Device: "eth0",
IP: "192.168.0.100",
MBits: 50,
ReservedPorts: []Port{{"one", 10000}},
},
},
},
},
},
}
collide := idx.AddAllocs(allocs)
if collide {
t.Fatalf("bad")
}
if idx.UsedBandwidth["eth0"] != 70 {
t.Fatalf("Bad")
}
if _, ok := idx.UsedPorts["192.168.0.100"][8000]; !ok {
t.Fatalf("Bad")
}
if _, ok := idx.UsedPorts["192.168.0.100"][9000]; !ok {
t.Fatalf("Bad")
}
if _, ok := idx.UsedPorts["192.168.0.100"][10000]; !ok {
t.Fatalf("Bad")
}
}
func TestNetworkIndex_AddReserved(t *testing.T) {
idx := NewNetworkIndex()
reserved := &NetworkResource{
Device: "eth0",
IP: "192.168.0.100",
MBits: 20,
ReservedPorts: []Port{{"one", 8000}, {"two", 9000}},
}
collide := idx.AddReserved(reserved)
if collide {
t.Fatalf("bad")
}
if idx.UsedBandwidth["eth0"] != 20 {
t.Fatalf("Bad")
}
if _, ok := idx.UsedPorts["192.168.0.100"][8000]; !ok {
t.Fatalf("Bad")
}
if _, ok := idx.UsedPorts["192.168.0.100"][9000]; !ok {
t.Fatalf("Bad")
}
// Try to reserve the same network
collide = idx.AddReserved(reserved)
if !collide {
t.Fatalf("bad")
}
}
func TestNetworkIndex_yieldIP(t *testing.T) {
idx := NewNetworkIndex()
n := &Node{
Resources: &Resources{
Networks: []*NetworkResource{
&NetworkResource{
Device: "eth0",
CIDR: "192.168.0.100/30",
MBits: 1000,
},
},
},
Reserved: &Resources{
Networks: []*NetworkResource{
&NetworkResource{
Device: "eth0",
IP: "192.168.0.100",
ReservedPorts: []Port{{"ssh", 22}},
MBits: 1,
},
},
},
}
idx.SetNode(n)
var out []string
idx.yieldIP(func(n *NetworkResource, ip net.IP) (stop bool) {
out = append(out, ip.String())
return
})
expect := []string{"192.168.0.100", "192.168.0.101",
"192.168.0.102", "192.168.0.103"}
if !reflect.DeepEqual(out, expect) {
t.Fatalf("bad: %v", out)
}
}
func TestNetworkIndex_AssignNetwork(t *testing.T) {
idx := NewNetworkIndex()
n := &Node{
Resources: &Resources{
Networks: []*NetworkResource{
&NetworkResource{
Device: "eth0",
CIDR: "192.168.0.100/30",
MBits: 1000,
},
},
},
Reserved: &Resources{
Networks: []*NetworkResource{
&NetworkResource{
Device: "eth0",
IP: "192.168.0.100",
ReservedPorts: []Port{{"ssh", 22}},
MBits: 1,
},
},
},
}
idx.SetNode(n)
allocs := []*Allocation{
&Allocation{
TaskResources: map[string]*Resources{
"web": &Resources{
Networks: []*NetworkResource{
&NetworkResource{
Device: "eth0",
IP: "192.168.0.100",
MBits: 20,
ReservedPorts: []Port{{"one", 8000}, {"two", 9000}},
},
},
},
},
},
&Allocation{
TaskResources: map[string]*Resources{
"api": &Resources{
Networks: []*NetworkResource{
&NetworkResource{
Device: "eth0",
IP: "192.168.0.100",
MBits: 50,
ReservedPorts: []Port{{"main", 10000}},
},
},
},
},
},
}
idx.AddAllocs(allocs)
// Ask for a reserved port
ask := &NetworkResource{
ReservedPorts: []Port{{"main", 8000}},
}
offer, err := idx.AssignNetwork(ask)
if err != nil {
t.Fatalf("err: %v", err)
}
if offer == nil {
t.Fatalf("bad")
}
if offer.IP != "192.168.0.101" {
t.Fatalf("bad: %#v", offer)
}
rp := Port{"main", 8000}
if len(offer.ReservedPorts) != 1 || offer.ReservedPorts[0] != rp {
t.Fatalf("bad: %#v", offer)
}
// Ask for dynamic ports
ask = &NetworkResource{
DynamicPorts: []Port{{"http", 0}, {"https", 0}, {"admin", 0}},
}
offer, err = idx.AssignNetwork(ask)
if err != nil {
t.Fatalf("err: %v", err)
}
if offer == nil {
t.Fatalf("bad")
}
if offer.IP != "192.168.0.100" {
t.Fatalf("bad: %#v", offer)
}
if len(offer.DynamicPorts) != 3 {
t.Fatalf("There should be three dynamic ports")
}
for _, port := range offer.DynamicPorts {
if port.Value == 0 {
t.Fatalf("Dynamic Port: %v should have been assigned a host port", port.Label)
}
}
// Ask for reserved + dynamic ports
ask = &NetworkResource{
ReservedPorts: []Port{{"main", 2345}},
DynamicPorts: []Port{{"http", 0}, {"https", 0}, {"admin", 0}},
}
offer, err = idx.AssignNetwork(ask)
if err != nil {
t.Fatalf("err: %v", err)
}
if offer == nil {
t.Fatalf("bad")
}
if offer.IP != "192.168.0.100" {
t.Fatalf("bad: %#v", offer)
}
rp = Port{"main", 2345}
if len(offer.ReservedPorts) != 1 || offer.ReservedPorts[0] != rp {
t.Fatalf("bad: %#v", offer)
}
// Ask for too much bandwidth
ask = &NetworkResource{
MBits: 1000,
}
offer, err = idx.AssignNetwork(ask)
if err.Error() != "bandwidth exceeded" {
t.Fatalf("err: %v", err)
}
if offer != nil {
t.Fatalf("bad")
}
}
func TestIntContains(t *testing.T) {
l := []Port{{"one", 1}, {"two", 2}, {"ten", 10}, {"twenty", 20}}
if isPortReserved(l, 50) {
t.Fatalf("bad")
}
if !isPortReserved(l, 20) {
t.Fatalf("bad")
}
if !isPortReserved(l, 1) {
t.Fatalf("bad")
}
}