751 lines
15 KiB
Go
751 lines
15 KiB
Go
package structs
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import (
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"fmt"
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"net"
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"reflect"
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"testing"
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)
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func TestNetworkIndex_Overcommitted(t *testing.T) {
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idx := NewNetworkIndex()
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// Consume some network
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reserved := &NetworkResource{
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Device: "eth0",
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IP: "192.168.0.100",
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MBits: 505,
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ReservedPorts: []Port{{"one", 8000, 0}, {"two", 9000, 0}},
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}
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collide := idx.AddReserved(reserved)
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if collide {
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t.Fatalf("bad")
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}
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if !idx.Overcommitted() {
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t.Fatalf("have no resources")
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}
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// Add resources
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n := &Node{
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NodeResources: &NodeResources{
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Networks: []*NetworkResource{
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{
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Device: "eth0",
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CIDR: "192.168.0.100/32",
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MBits: 1000,
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},
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},
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},
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}
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idx.SetNode(n)
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if idx.Overcommitted() {
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t.Fatalf("have resources")
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}
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// Double up our usage
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idx.AddReserved(reserved)
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if !idx.Overcommitted() {
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t.Fatalf("should be overcommitted")
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}
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}
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func TestNetworkIndex_SetNode(t *testing.T) {
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idx := NewNetworkIndex()
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n := &Node{
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NodeResources: &NodeResources{
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Networks: []*NetworkResource{
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{
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Device: "eth0",
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CIDR: "192.168.0.100/32",
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IP: "192.168.0.100",
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MBits: 1000,
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},
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},
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},
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ReservedResources: &NodeReservedResources{
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Networks: NodeReservedNetworkResources{
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ReservedHostPorts: "22",
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},
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},
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}
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collide := idx.SetNode(n)
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if collide {
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t.Fatalf("bad")
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}
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if len(idx.AvailNetworks) != 1 {
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t.Fatalf("Bad")
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}
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if idx.AvailBandwidth["eth0"] != 1000 {
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t.Fatalf("Bad")
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}
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if !idx.UsedPorts["192.168.0.100"].Check(22) {
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t.Fatalf("Bad")
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}
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}
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func TestNetworkIndex_AddAllocs(t *testing.T) {
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idx := NewNetworkIndex()
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allocs := []*Allocation{
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{
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AllocatedResources: &AllocatedResources{
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Tasks: map[string]*AllocatedTaskResources{
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"web": {
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Networks: []*NetworkResource{
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{
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Device: "eth0",
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IP: "192.168.0.100",
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MBits: 20,
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ReservedPorts: []Port{{"one", 8000, 0}, {"two", 9000, 0}},
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},
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},
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},
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},
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},
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},
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{
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AllocatedResources: &AllocatedResources{
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Tasks: map[string]*AllocatedTaskResources{
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"api": {
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Networks: []*NetworkResource{
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{
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Device: "eth0",
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IP: "192.168.0.100",
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MBits: 50,
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ReservedPorts: []Port{{"one", 10000, 0}},
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},
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},
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},
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},
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},
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},
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}
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collide := idx.AddAllocs(allocs)
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if collide {
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t.Fatalf("bad")
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}
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if idx.UsedBandwidth["eth0"] != 70 {
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t.Fatalf("Bad")
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}
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if !idx.UsedPorts["192.168.0.100"].Check(8000) {
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t.Fatalf("Bad")
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}
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if !idx.UsedPorts["192.168.0.100"].Check(9000) {
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t.Fatalf("Bad")
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}
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if !idx.UsedPorts["192.168.0.100"].Check(10000) {
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t.Fatalf("Bad")
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}
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}
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func TestNetworkIndex_AddReserved(t *testing.T) {
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idx := NewNetworkIndex()
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reserved := &NetworkResource{
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Device: "eth0",
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IP: "192.168.0.100",
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MBits: 20,
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ReservedPorts: []Port{{"one", 8000, 0}, {"two", 9000, 0}},
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}
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collide := idx.AddReserved(reserved)
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if collide {
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t.Fatalf("bad")
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}
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if idx.UsedBandwidth["eth0"] != 20 {
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t.Fatalf("Bad")
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}
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if !idx.UsedPorts["192.168.0.100"].Check(8000) {
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t.Fatalf("Bad")
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}
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if !idx.UsedPorts["192.168.0.100"].Check(9000) {
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t.Fatalf("Bad")
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}
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// Try to reserve the same network
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collide = idx.AddReserved(reserved)
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if !collide {
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t.Fatalf("bad")
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}
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}
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// XXX Reserving ports doesn't work when yielding from a CIDR block. This is
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// okay for now since we do not actually fingerprint CIDR blocks.
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func TestNetworkIndex_yieldIP(t *testing.T) {
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idx := NewNetworkIndex()
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n := &Node{
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NodeResources: &NodeResources{
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Networks: []*NetworkResource{
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{
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Device: "eth0",
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CIDR: "192.168.0.100/30",
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MBits: 1000,
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},
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},
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},
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}
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idx.SetNode(n)
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var out []string
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idx.yieldIP(func(n *NetworkResource, ip net.IP) (stop bool) {
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out = append(out, ip.String())
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return
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})
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expect := []string{"192.168.0.100", "192.168.0.101",
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"192.168.0.102", "192.168.0.103"}
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if !reflect.DeepEqual(out, expect) {
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t.Fatalf("bad: %v", out)
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}
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}
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func TestNetworkIndex_AssignNetwork(t *testing.T) {
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idx := NewNetworkIndex()
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n := &Node{
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NodeResources: &NodeResources{
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Networks: []*NetworkResource{
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{
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Device: "eth0",
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CIDR: "192.168.0.100/30",
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MBits: 1000,
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},
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},
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},
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}
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idx.SetNode(n)
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allocs := []*Allocation{
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{
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TaskResources: map[string]*Resources{
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"web": {
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Networks: []*NetworkResource{
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{
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Device: "eth0",
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IP: "192.168.0.100",
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MBits: 20,
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ReservedPorts: []Port{{"one", 8000, 0}, {"two", 9000, 0}},
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},
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},
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},
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},
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},
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{
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TaskResources: map[string]*Resources{
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"api": {
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Networks: []*NetworkResource{
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{
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Device: "eth0",
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IP: "192.168.0.100",
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MBits: 50,
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ReservedPorts: []Port{{"main", 10000, 0}},
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},
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},
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},
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},
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},
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}
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idx.AddAllocs(allocs)
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// Ask for a reserved port
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ask := &NetworkResource{
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ReservedPorts: []Port{{"main", 8000, 0}},
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}
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offer, err := idx.AssignNetwork(ask)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if offer == nil {
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t.Fatalf("bad")
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}
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if offer.IP != "192.168.0.101" {
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t.Fatalf("bad: %#v", offer)
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}
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rp := Port{"main", 8000, 0}
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if len(offer.ReservedPorts) != 1 || offer.ReservedPorts[0] != rp {
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t.Fatalf("bad: %#v", offer)
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}
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// Ask for dynamic ports
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ask = &NetworkResource{
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DynamicPorts: []Port{{"http", 0, 80}, {"https", 0, 443}, {"admin", 0, 8080}},
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}
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offer, err = idx.AssignNetwork(ask)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if offer == nil {
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t.Fatalf("bad")
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}
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if offer.IP != "192.168.0.100" {
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t.Fatalf("bad: %#v", offer)
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}
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if len(offer.DynamicPorts) != 3 {
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t.Fatalf("There should be three dynamic ports")
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}
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for _, port := range offer.DynamicPorts {
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if port.Value == 0 {
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t.Fatalf("Dynamic Port: %v should have been assigned a host port", port.Label)
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}
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}
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// Ask for reserved + dynamic ports
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ask = &NetworkResource{
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ReservedPorts: []Port{{"main", 2345, 0}},
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DynamicPorts: []Port{{"http", 0, 80}, {"https", 0, 443}, {"admin", 0, 8080}},
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}
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offer, err = idx.AssignNetwork(ask)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if offer == nil {
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t.Fatalf("bad")
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}
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if offer.IP != "192.168.0.100" {
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t.Fatalf("bad: %#v", offer)
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}
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rp = Port{"main", 2345, 0}
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if len(offer.ReservedPorts) != 1 || offer.ReservedPorts[0] != rp {
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t.Fatalf("bad: %#v", offer)
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}
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// Ask for too much bandwidth
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ask = &NetworkResource{
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MBits: 1000,
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}
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offer, err = idx.AssignNetwork(ask)
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if err.Error() != "bandwidth exceeded" {
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t.Fatalf("err: %v", err)
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}
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if offer != nil {
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t.Fatalf("bad")
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}
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}
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// This test ensures that even with a small domain of available ports we are
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// able to make a dynamic port allocation.
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func TestNetworkIndex_AssignNetwork_Dynamic_Contention(t *testing.T) {
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// Create a node that only has one free port
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idx := NewNetworkIndex()
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n := &Node{
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NodeResources: &NodeResources{
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Networks: []*NetworkResource{
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{
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Device: "eth0",
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CIDR: "192.168.0.100/32",
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IP: "192.168.0.100",
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MBits: 1000,
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},
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},
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},
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ReservedResources: &NodeReservedResources{
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Networks: NodeReservedNetworkResources{
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ReservedHostPorts: fmt.Sprintf("%d-%d", MinDynamicPort, MaxDynamicPort-1),
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},
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},
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}
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idx.SetNode(n)
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// Ask for dynamic ports
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ask := &NetworkResource{
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DynamicPorts: []Port{{"http", 0, 80}},
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}
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offer, err := idx.AssignNetwork(ask)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if offer == nil {
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t.Fatalf("bad")
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}
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if offer.IP != "192.168.0.100" {
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t.Fatalf("bad: %#v", offer)
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}
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if len(offer.DynamicPorts) != 1 {
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t.Fatalf("There should be one dynamic ports")
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}
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if p := offer.DynamicPorts[0].Value; p != MaxDynamicPort {
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t.Fatalf("Dynamic Port: should have been assigned %d; got %d", p, MaxDynamicPort)
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}
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}
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// COMPAT(0.11): Remove in 0.11
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func TestNetworkIndex_Overcommitted_Old(t *testing.T) {
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idx := NewNetworkIndex()
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// Consume some network
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reserved := &NetworkResource{
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Device: "eth0",
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IP: "192.168.0.100",
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MBits: 505,
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ReservedPorts: []Port{{"one", 8000, 0}, {"two", 9000, 0}},
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}
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collide := idx.AddReserved(reserved)
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if collide {
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t.Fatalf("bad")
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}
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if !idx.Overcommitted() {
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t.Fatalf("have no resources")
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}
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// Add resources
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n := &Node{
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Resources: &Resources{
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Networks: []*NetworkResource{
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{
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Device: "eth0",
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CIDR: "192.168.0.100/32",
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MBits: 1000,
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},
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},
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},
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}
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idx.SetNode(n)
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if idx.Overcommitted() {
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t.Fatalf("have resources")
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}
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// Double up our usage
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idx.AddReserved(reserved)
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if !idx.Overcommitted() {
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t.Fatalf("should be overcommitted")
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}
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}
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// COMPAT(0.11): Remove in 0.11
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func TestNetworkIndex_SetNode_Old(t *testing.T) {
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idx := NewNetworkIndex()
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n := &Node{
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Resources: &Resources{
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Networks: []*NetworkResource{
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{
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Device: "eth0",
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CIDR: "192.168.0.100/32",
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MBits: 1000,
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},
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},
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},
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Reserved: &Resources{
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Networks: []*NetworkResource{
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{
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Device: "eth0",
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IP: "192.168.0.100",
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ReservedPorts: []Port{{"ssh", 22, 0}},
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MBits: 1,
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},
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},
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},
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}
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collide := idx.SetNode(n)
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if collide {
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t.Fatalf("bad")
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}
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if len(idx.AvailNetworks) != 1 {
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t.Fatalf("Bad")
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}
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if idx.AvailBandwidth["eth0"] != 1000 {
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t.Fatalf("Bad")
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}
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if idx.UsedBandwidth["eth0"] != 1 {
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t.Fatalf("Bad")
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}
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if !idx.UsedPorts["192.168.0.100"].Check(22) {
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t.Fatalf("Bad")
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}
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}
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// COMPAT(0.11): Remove in 0.11
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func TestNetworkIndex_AddAllocs_Old(t *testing.T) {
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idx := NewNetworkIndex()
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allocs := []*Allocation{
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{
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TaskResources: map[string]*Resources{
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"web": {
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Networks: []*NetworkResource{
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{
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Device: "eth0",
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IP: "192.168.0.100",
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MBits: 20,
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ReservedPorts: []Port{{"one", 8000, 0}, {"two", 9000, 0}},
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},
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},
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},
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},
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},
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{
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TaskResources: map[string]*Resources{
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"api": {
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Networks: []*NetworkResource{
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{
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Device: "eth0",
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IP: "192.168.0.100",
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MBits: 50,
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ReservedPorts: []Port{{"one", 10000, 0}},
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},
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},
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},
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},
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},
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}
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collide := idx.AddAllocs(allocs)
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if collide {
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t.Fatalf("bad")
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}
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if idx.UsedBandwidth["eth0"] != 70 {
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t.Fatalf("Bad")
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}
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if !idx.UsedPorts["192.168.0.100"].Check(8000) {
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t.Fatalf("Bad")
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}
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if !idx.UsedPorts["192.168.0.100"].Check(9000) {
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t.Fatalf("Bad")
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}
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if !idx.UsedPorts["192.168.0.100"].Check(10000) {
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t.Fatalf("Bad")
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}
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}
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// COMPAT(0.11): Remove in 0.11
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func TestNetworkIndex_yieldIP_Old(t *testing.T) {
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idx := NewNetworkIndex()
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n := &Node{
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Resources: &Resources{
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Networks: []*NetworkResource{
|
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{
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Device: "eth0",
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CIDR: "192.168.0.100/30",
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MBits: 1000,
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},
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},
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},
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Reserved: &Resources{
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Networks: []*NetworkResource{
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{
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Device: "eth0",
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IP: "192.168.0.100",
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ReservedPorts: []Port{{"ssh", 22, 0}},
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MBits: 1,
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},
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},
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},
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}
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idx.SetNode(n)
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var out []string
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idx.yieldIP(func(n *NetworkResource, ip net.IP) (stop bool) {
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out = append(out, ip.String())
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return
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})
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expect := []string{"192.168.0.100", "192.168.0.101",
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"192.168.0.102", "192.168.0.103"}
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if !reflect.DeepEqual(out, expect) {
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t.Fatalf("bad: %v", out)
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}
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}
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|
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// COMPAT(0.11): Remove in 0.11
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func TestNetworkIndex_AssignNetwork_Old(t *testing.T) {
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idx := NewNetworkIndex()
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n := &Node{
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Resources: &Resources{
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Networks: []*NetworkResource{
|
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{
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Device: "eth0",
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CIDR: "192.168.0.100/30",
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MBits: 1000,
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},
|
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},
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},
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Reserved: &Resources{
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Networks: []*NetworkResource{
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{
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Device: "eth0",
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IP: "192.168.0.100",
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ReservedPorts: []Port{{"ssh", 22, 0}},
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MBits: 1,
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},
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},
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},
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}
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idx.SetNode(n)
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|
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allocs := []*Allocation{
|
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{
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TaskResources: map[string]*Resources{
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"web": {
|
|
Networks: []*NetworkResource{
|
|
{
|
|
Device: "eth0",
|
|
IP: "192.168.0.100",
|
|
MBits: 20,
|
|
ReservedPorts: []Port{{"one", 8000, 0}, {"two", 9000, 0}},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
TaskResources: map[string]*Resources{
|
|
"api": {
|
|
Networks: []*NetworkResource{
|
|
{
|
|
Device: "eth0",
|
|
IP: "192.168.0.100",
|
|
MBits: 50,
|
|
ReservedPorts: []Port{{"main", 10000, 0}},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
idx.AddAllocs(allocs)
|
|
|
|
// Ask for a reserved port
|
|
ask := &NetworkResource{
|
|
ReservedPorts: []Port{{"main", 8000, 0}},
|
|
}
|
|
offer, err := idx.AssignNetwork(ask)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if offer == nil {
|
|
t.Fatalf("bad")
|
|
}
|
|
if offer.IP != "192.168.0.101" {
|
|
t.Fatalf("bad: %#v", offer)
|
|
}
|
|
rp := Port{"main", 8000, 0}
|
|
if len(offer.ReservedPorts) != 1 || offer.ReservedPorts[0] != rp {
|
|
t.Fatalf("bad: %#v", offer)
|
|
}
|
|
|
|
// Ask for dynamic ports
|
|
ask = &NetworkResource{
|
|
DynamicPorts: []Port{{"http", 0, 80}, {"https", 0, 443}, {"admin", 0, 8080}},
|
|
}
|
|
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, 0}},
|
|
DynamicPorts: []Port{{"http", 0, 80}, {"https", 0, 443}, {"admin", 0, 8080}},
|
|
}
|
|
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, 0}
|
|
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")
|
|
}
|
|
}
|
|
|
|
// COMPAT(0.11): Remove in 0.11
|
|
// This test ensures that even with a small domain of available ports we are
|
|
// able to make a dynamic port allocation.
|
|
func TestNetworkIndex_AssignNetwork_Dynamic_Contention_Old(t *testing.T) {
|
|
|
|
// Create a node that only has one free port
|
|
idx := NewNetworkIndex()
|
|
n := &Node{
|
|
Resources: &Resources{
|
|
Networks: []*NetworkResource{
|
|
{
|
|
Device: "eth0",
|
|
CIDR: "192.168.0.100/32",
|
|
MBits: 1000,
|
|
},
|
|
},
|
|
},
|
|
Reserved: &Resources{
|
|
Networks: []*NetworkResource{
|
|
{
|
|
Device: "eth0",
|
|
IP: "192.168.0.100",
|
|
MBits: 1,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
for i := MinDynamicPort; i < MaxDynamicPort; i++ {
|
|
n.Reserved.Networks[0].ReservedPorts = append(n.Reserved.Networks[0].ReservedPorts, Port{Value: i})
|
|
}
|
|
|
|
idx.SetNode(n)
|
|
|
|
// Ask for dynamic ports
|
|
ask := &NetworkResource{
|
|
DynamicPorts: []Port{{"http", 0, 80}},
|
|
}
|
|
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) != 1 {
|
|
t.Fatalf("There should be three dynamic ports")
|
|
}
|
|
if p := offer.DynamicPorts[0].Value; p != MaxDynamicPort {
|
|
t.Fatalf("Dynamic Port: should have been assigned %d; got %d", p, MaxDynamicPort)
|
|
}
|
|
}
|
|
|
|
func TestIntContains(t *testing.T) {
|
|
l := []int{1, 2, 10, 20}
|
|
if isPortReserved(l, 50) {
|
|
t.Fatalf("bad")
|
|
}
|
|
if !isPortReserved(l, 20) {
|
|
t.Fatalf("bad")
|
|
}
|
|
if !isPortReserved(l, 1) {
|
|
t.Fatalf("bad")
|
|
}
|
|
}
|