func TestGetAllChildren(t *testing.T) {
eng := NewTestEngine(t)
daemon := mkDaemonFromEngine(eng, t)
defer nuke(daemon)
config, _, _, err := runconfig.Parse([]string{unitTestImageID, "echo test"}, nil)
if err != nil {
t.Fatal(err)
}
container := daemon.Get(createNamedTestContainer(eng, config, t, "/webapp"))
webapp, err := daemon.GetByName("/webapp")
if err != nil {
t.Fatal(err)
}
if webapp.ID != container.ID {
t.Fatalf("Expect webapp id to match container id: %s != %s", webapp.ID, container.ID)
}
config, _, _, err = runconfig.Parse([]string{unitTestImageID, "echo test"}, nil)
if err != nil {
t.Fatal(err)
}
childContainer := daemon.Get(createTestContainer(eng, config, t))
if err := daemon.RegisterLink(webapp, childContainer, "db"); err != nil {
t.Fatal(err)
}
children, err := daemon.Children("/webapp")
if err != nil {
t.Fatal(err)
}
if children == nil {
t.Fatal("Children should not be nil")
}
if len(children) == 0 {
t.Fatal("Children should not be empty")
}
for key, value := range children {
if key != "/webapp/db" {
t.Fatalf("Expected /webapp/db got %s", key)
}
if value.ID != childContainer.ID {
t.Fatalf("Expected id %s got %s", childContainer.ID, value.ID)
}
}
}
func TestContainerNameValidation(t *testing.T) {
eng := NewTestEngine(t)
daemon := mkDaemonFromEngine(eng, t)
defer nuke(daemon)
for _, test := range []struct {
Name string
Valid bool
}{
{"abc-123_AAA.1", true},
{"\000asdf", false},
} {
config, _, _, err := runconfig.Parse([]string{unitTestImageID, "echo test"}, nil)
if err != nil {
if !test.Valid {
continue
}
t.Fatal(err)
}
var outputBuffer = bytes.NewBuffer(nil)
job := eng.Job("create", test.Name)
if err := job.ImportEnv(config); err != nil {
t.Fatal(err)
}
job.Stdout.Add(outputBuffer)
if err := job.Run(); err != nil {
if !test.Valid {
continue
}
t.Fatal(err)
}
container := daemon.Get(engine.Tail(outputBuffer, 1))
if container.Name != "/"+test.Name {
t.Fatalf("Expect /%s got %s", test.Name, container.Name)
}
if c := daemon.Get("/" + test.Name); c == nil {
t.Fatalf("Couldn't retrieve test container as /%s", test.Name)
} else if c.ID != container.ID {
t.Fatalf("Container /%s has ID %s instead of %s", test.Name, c.ID, container.ID)
}
}
}
func getContainer(eng *engine.Engine, id string, t log.Fataler) *daemon.Container {
daemon := mkDaemonFromEngine(eng, t)
c := daemon.Get(id)
if c == nil {
t.Fatal(fmt.Errorf("No such container: %s", id))
}
return c
}
func TestLinkChildContainer(t *testing.T) {
eng := NewTestEngine(t)
daemon := mkDaemonFromEngine(eng, t)
defer nuke(daemon)
config, _, _, err := runconfig.Parse([]string{unitTestImageID, "echo test"}, nil)
if err != nil {
t.Fatal(err)
}
container := daemon.Get(createNamedTestContainer(eng, config, t, "/webapp"))
webapp, err := daemon.GetByName("/webapp")
if err != nil {
t.Fatal(err)
}
if webapp.ID != container.ID {
t.Fatalf("Expect webapp id to match container id: %s != %s", webapp.ID, container.ID)
}
config, _, _, err = runconfig.Parse([]string{GetTestImage(daemon).ID, "echo test"}, nil)
if err != nil {
t.Fatal(err)
}
childContainer := daemon.Get(createTestContainer(eng, config, t))
if err := daemon.RegisterLink(webapp, childContainer, "db"); err != nil {
t.Fatal(err)
}
// Get the child by it's new name
db, err := daemon.GetByName("/webapp/db")
if err != nil {
t.Fatal(err)
}
if db.ID != childContainer.ID {
t.Fatalf("Expect db id to match container id: %s != %s", db.ID, childContainer.ID)
}
}
func TestGet(t *testing.T) {
daemon := mkDaemon(t)
defer nuke(daemon)
container1, _, _ := mkContainer(daemon, []string{"_", "ls", "-al"}, t)
defer daemon.Destroy(container1)
container2, _, _ := mkContainer(daemon, []string{"_", "ls", "-al"}, t)
defer daemon.Destroy(container2)
container3, _, _ := mkContainer(daemon, []string{"_", "ls", "-al"}, t)
defer daemon.Destroy(container3)
if daemon.Get(container1.ID) != container1 {
t.Errorf("Get(test1) returned %v while expecting %v", daemon.Get(container1.ID), container1)
}
if daemon.Get(container2.ID) != container2 {
t.Errorf("Get(test2) returned %v while expecting %v", daemon.Get(container2.ID), container2)
}
if daemon.Get(container3.ID) != container3 {
t.Errorf("Get(test3) returned %v while expecting %v", daemon.Get(container3.ID), container3)
}
}
func TestRandomContainerName(t *testing.T) {
eng := NewTestEngine(t)
daemon := mkDaemonFromEngine(eng, t)
defer nuke(daemon)
config, _, _, err := runconfig.Parse([]string{GetTestImage(daemon).ID, "echo test"}, nil)
if err != nil {
t.Fatal(err)
}
container := daemon.Get(createTestContainer(eng, config, t))
containerID := container.ID
if container.Name == "" {
t.Fatalf("Expected not empty container name")
}
if c := daemon.Get(container.Name); c == nil {
log.Fatalf("Could not lookup container %s by its name", container.Name)
} else if c.ID != containerID {
log.Fatalf("Looking up container name %s returned id %s instead of %s", container.Name, c.ID, containerID)
}
}
func TestDefaultContainerName(t *testing.T) {
eng := NewTestEngine(t)
daemon := mkDaemonFromEngine(eng, t)
defer nuke(daemon)
config, _, _, err := runconfig.Parse([]string{unitTestImageID, "echo test"}, nil)
if err != nil {
t.Fatal(err)
}
container := daemon.Get(createNamedTestContainer(eng, config, t, "some_name"))
containerID := container.ID
if container.Name != "/some_name" {
t.Fatalf("Expect /some_name got %s", container.Name)
}
if c := daemon.Get("/some_name"); c == nil {
t.Fatalf("Couldn't retrieve test container as /some_name")
} else if c.ID != containerID {
t.Fatalf("Container /some_name has ID %s instead of %s", c.ID, containerID)
}
}
func TestDestroy(t *testing.T) {
daemon := mkDaemon(t)
defer nuke(daemon)
container, _, err := daemon.Create(&runconfig.Config{
Image: GetTestImage(daemon).ID,
Cmd: []string{"ls", "-al"},
}, "")
if err != nil {
t.Fatal(err)
}
// Destroy
if err := daemon.Destroy(container); err != nil {
t.Error(err)
}
// Make sure daemon.Exists() behaves correctly
if daemon.Exists("test_destroy") {
t.Errorf("Exists() returned true")
}
// Make sure daemon.List() doesn't list the destroyed container
if len(daemon.List()) != 0 {
t.Errorf("Expected 0 container, %v found", len(daemon.List()))
}
// Make sure daemon.Get() refuses to return the unexisting container
if daemon.Get(container.ID) != nil {
t.Errorf("Unable to get newly created container")
}
// Test double destroy
if err := daemon.Destroy(container); err == nil {
// It should have failed
t.Errorf("Double destroy did not fail")
}
}
func containerAssertNotExists(eng *engine.Engine, id string, t log.Fataler) {
daemon := mkDaemonFromEngine(eng, t)
if c := daemon.Get(id); c != nil {
t.Fatal(fmt.Errorf("Container %s should not exist", id))
}
}
func startEchoServerContainer(t *testing.T, proto string) (*daemon.Daemon, *daemon.Container, string) {
var (
err error
id string
outputBuffer = bytes.NewBuffer(nil)
strPort string
eng = NewTestEngine(t)
daemon = mkDaemonFromEngine(eng, t)
port = 5554
p nat.Port
)
defer func() {
if err != nil {
daemon.Nuke()
}
}()
for {
port += 1
strPort = strconv.Itoa(port)
var cmd string
if proto == "tcp" {
cmd = "socat TCP-LISTEN:" + strPort + ",reuseaddr,fork EXEC:/bin/cat"
} else if proto == "udp" {
cmd = "socat UDP-RECVFROM:" + strPort + ",fork EXEC:/bin/cat"
} else {
t.Fatal(fmt.Errorf("Unknown protocol %v", proto))
}
ep := make(map[nat.Port]struct{}, 1)
p = nat.Port(fmt.Sprintf("%s/%s", strPort, proto))
ep[p] = struct{}{}
jobCreate := eng.Job("create")
jobCreate.Setenv("Image", unitTestImageID)
jobCreate.SetenvList("Cmd", []string{"sh", "-c", cmd})
jobCreate.SetenvList("PortSpecs", []string{fmt.Sprintf("%s/%s", strPort, proto)})
jobCreate.SetenvJson("ExposedPorts", ep)
jobCreate.Stdout.Add(outputBuffer)
if err := jobCreate.Run(); err != nil {
t.Fatal(err)
}
id = engine.Tail(outputBuffer, 1)
// FIXME: this relies on the undocumented behavior of daemon.Create
// which will return a nil error AND container if the exposed ports
// are invalid. That behavior should be fixed!
if id != "" {
break
}
t.Logf("Port %v already in use, trying another one", strPort)
}
jobStart := eng.Job("start", id)
portBindings := make(map[nat.Port][]nat.PortBinding)
portBindings[p] = []nat.PortBinding{
{},
}
if err := jobStart.SetenvJson("PortsBindings", portBindings); err != nil {
t.Fatal(err)
}
if err := jobStart.Run(); err != nil {
t.Fatal(err)
}
container := daemon.Get(id)
if container == nil {
t.Fatalf("Couldn't fetch test container %s", id)
}
setTimeout(t, "Waiting for the container to be started timed out", 2*time.Second, func() {
for !container.State.IsRunning() {
time.Sleep(10 * time.Millisecond)
}
})
// Even if the state is running, lets give some time to lxc to spawn the process
container.State.WaitStop(500 * time.Millisecond)
strPort = container.NetworkSettings.Ports[p][0].HostPort
return daemon, container, strPort
}
func TestDaemonCreate(t *testing.T) {
daemon := mkDaemon(t)
defer nuke(daemon)
// Make sure we start we 0 containers
if len(daemon.List()) != 0 {
t.Errorf("Expected 0 containers, %v found", len(daemon.List()))
}
container, _, err := daemon.Create(&runconfig.Config{
Image: GetTestImage(daemon).ID,
Cmd: []string{"ls", "-al"},
},
"",
)
if err != nil {
t.Fatal(err)
}
defer func() {
if err := daemon.Destroy(container); err != nil {
t.Error(err)
}
}()
// Make sure we can find the newly created container with List()
if len(daemon.List()) != 1 {
t.Errorf("Expected 1 container, %v found", len(daemon.List()))
}
// Make sure the container List() returns is the right one
if daemon.List()[0].ID != container.ID {
t.Errorf("Unexpected container %v returned by List", daemon.List()[0])
}
// Make sure we can get the container with Get()
if daemon.Get(container.ID) == nil {
t.Errorf("Unable to get newly created container")
}
// Make sure it is the right container
if daemon.Get(container.ID) != container {
t.Errorf("Get() returned the wrong container")
}
// Make sure Exists returns it as existing
if !daemon.Exists(container.ID) {
t.Errorf("Exists() returned false for a newly created container")
}
// Test that conflict error displays correct details
testContainer, _, _ := daemon.Create(
&runconfig.Config{
Image: GetTestImage(daemon).ID,
Cmd: []string{"ls", "-al"},
},
"conflictname",
)
if _, _, err := daemon.Create(&runconfig.Config{Image: GetTestImage(daemon).ID, Cmd: []string{"ls", "-al"}}, testContainer.Name); err == nil || !strings.Contains(err.Error(), utils.TruncateID(testContainer.ID)) {
t.Fatalf("Name conflict error doesn't include the correct short id. Message was: %s", err.Error())
}
// Make sure create with bad parameters returns an error
if _, _, err = daemon.Create(&runconfig.Config{Image: GetTestImage(daemon).ID}, ""); err == nil {
t.Fatal("Builder.Create should throw an error when Cmd is missing")
}
if _, _, err := daemon.Create(
&runconfig.Config{
Image: GetTestImage(daemon).ID,
Cmd: []string{},
},
"",
); err == nil {
t.Fatal("Builder.Create should throw an error when Cmd is empty")
}
config := &runconfig.Config{
Image: GetTestImage(daemon).ID,
Cmd: []string{"/bin/ls"},
PortSpecs: []string{"80"},
}
container, _, err = daemon.Create(config, "")
_, err = daemon.Commit(container, "testrepo", "testtag", "", "", true, config)
if err != nil {
t.Error(err)
}
// test expose 80:8000
container, warnings, err := daemon.Create(&runconfig.Config{
Image: GetTestImage(daemon).ID,
Cmd: []string{"ls", "-al"},
PortSpecs: []string{"80:8000"},
},
"",
)
if err != nil {
t.Fatal(err)
}
if warnings == nil || len(warnings) != 1 {
t.Error("Expected a warning, got none")
}
}