libnetwork/sandbox_test.go

218 lines
4.7 KiB
Go

package libnetwork
import (
"testing"
"github.com/docker/libnetwork/config"
"github.com/docker/libnetwork/netlabel"
"github.com/docker/libnetwork/options"
"github.com/docker/libnetwork/osl"
"github.com/docker/libnetwork/testutils"
)
func createEmptyCtrlr() *controller {
return &controller{sandboxes: sandboxTable{}}
}
func getTestEnv(t *testing.T) (NetworkController, Network, Network) {
netType := "bridge"
option := options.Generic{
"EnableIPForwarding": true,
}
genericOption := make(map[string]interface{})
genericOption[netlabel.GenericData] = option
cfgOptions, err := OptionBoltdbWithRandomDBFile()
if err != nil {
t.Fatal(err)
}
c, err := New(append(cfgOptions, config.OptionDriverConfig(netType, genericOption))...)
if err != nil {
t.Fatal(err)
}
name1 := "test_nw_1"
netOption1 := options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": name1,
},
}
n1, err := c.NewNetwork(netType, name1, "", NetworkOptionGeneric(netOption1))
if err != nil {
t.Fatal(err)
}
name2 := "test_nw_2"
netOption2 := options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": name2,
},
}
n2, err := c.NewNetwork(netType, name2, "", NetworkOptionGeneric(netOption2))
if err != nil {
t.Fatal(err)
}
return c, n1, n2
}
func TestSandboxAddEmpty(t *testing.T) {
ctrlr := createEmptyCtrlr()
sbx, err := ctrlr.NewSandbox("sandbox0")
if err != nil {
t.Fatal(err)
}
if err := sbx.Delete(); err != nil {
t.Fatal(err)
}
if len(ctrlr.sandboxes) != 0 {
t.Fatalf("controller sandboxes is not empty. len = %d", len(ctrlr.sandboxes))
}
osl.GC()
}
func TestSandboxAddMultiPrio(t *testing.T) {
if !testutils.IsRunningInContainer() {
defer testutils.SetupTestOSContext(t)()
}
c, nw, _ := getTestEnv(t)
ctrlr := c.(*controller)
sbx, err := ctrlr.NewSandbox("sandbox1")
if err != nil {
t.Fatal(err)
}
sid := sbx.ID()
ep1, err := nw.CreateEndpoint("ep1")
if err != nil {
t.Fatal(err)
}
ep2, err := nw.CreateEndpoint("ep2")
if err != nil {
t.Fatal(err)
}
ep3, err := nw.CreateEndpoint("ep3")
if err != nil {
t.Fatal(err)
}
if err := ep1.Join(sbx, JoinOptionPriority(ep1, 1)); err != nil {
t.Fatal(err)
}
if err := ep2.Join(sbx, JoinOptionPriority(ep2, 2)); err != nil {
t.Fatal(err)
}
if err := ep3.Join(sbx, JoinOptionPriority(ep3, 3)); err != nil {
t.Fatal(err)
}
if ctrlr.sandboxes[sid].endpoints[0].ID() != ep3.ID() {
t.Fatal("Expected ep3 to be at the top of the heap. But did not find ep3 at the top of the heap")
}
if len(sbx.Endpoints()) != 3 {
t.Fatal("Expected 3 endpoints to be connected to the sandbox.")
}
if err := ep3.Leave(sbx); err != nil {
t.Fatal(err)
}
if ctrlr.sandboxes[sid].endpoints[0].ID() != ep2.ID() {
t.Fatal("Expected ep2 to be at the top of the heap after removing ep3. But did not find ep2 at the top of the heap")
}
if err := ep2.Leave(sbx); err != nil {
t.Fatal(err)
}
if ctrlr.sandboxes[sid].endpoints[0].ID() != ep1.ID() {
t.Fatal("Expected ep1 to be at the top of the heap after removing ep2. But did not find ep1 at the top of the heap")
}
// Re-add ep3 back
if err := ep3.Join(sbx, JoinOptionPriority(ep3, 3)); err != nil {
t.Fatal(err)
}
if ctrlr.sandboxes[sid].endpoints[0].ID() != ep3.ID() {
t.Fatal("Expected ep3 to be at the top of the heap after adding ep3 back. But did not find ep3 at the top of the heap")
}
if err := sbx.Delete(); err != nil {
t.Fatal(err)
}
if len(ctrlr.sandboxes) != 0 {
t.Fatalf("controller sandboxes is not empty. len = %d", len(ctrlr.sandboxes))
}
osl.GC()
}
func TestSandboxAddSamePrio(t *testing.T) {
if !testutils.IsRunningInContainer() {
defer testutils.SetupTestOSContext(t)()
}
c, nw1, nw2 := getTestEnv(t)
ctrlr := c.(*controller)
sbx, err := ctrlr.NewSandbox("sandbox1")
if err != nil {
t.Fatal(err)
}
sid := sbx.ID()
ep1, err := nw1.CreateEndpoint("ep1")
if err != nil {
t.Fatal(err)
}
ep2, err := nw2.CreateEndpoint("ep2")
if err != nil {
t.Fatal(err)
}
if err := ep1.Join(sbx); err != nil {
t.Fatal(err)
}
if err := ep2.Join(sbx); err != nil {
t.Fatal(err)
}
if ctrlr.sandboxes[sid].endpoints[0].ID() != ep1.ID() {
t.Fatal("Expected ep1 to be at the top of the heap. But did not find ep1 at the top of the heap")
}
if err := ep1.Leave(sbx); err != nil {
t.Fatal(err)
}
if ctrlr.sandboxes[sid].endpoints[0].ID() != ep2.ID() {
t.Fatal("Expected ep2 to be at the top of the heap after removing ep3. But did not find ep2 at the top of the heap")
}
if err := ep2.Leave(sbx); err != nil {
t.Fatal(err)
}
if err := sbx.Delete(); err != nil {
t.Fatal(err)
}
if len(ctrlr.sandboxes) != 0 {
t.Fatalf("controller containers is not empty. len = %d", len(ctrlr.sandboxes))
}
osl.GC()
}