func TestPostCommit(t *testing.T) {
eng := NewTestEngine(t)
defer mkDaemonFromEngine(eng, t).Nuke()
// Create a container and remove a file
containerID := createTestContainer(eng,
&runconfig.Config{
Image: unitTestImageID,
Cmd: []string{"touch", "/test"},
},
t,
)
containerRun(eng, containerID, t)
req, err := http.NewRequest("POST", "/commit?repo=testrepo&testtag=tag&container="+containerID, bytes.NewReader([]byte{}))
if err != nil {
t.Fatal(err)
}
r := httptest.NewRecorder()
server.ServeRequest(eng, api.APIVERSION, r, req)
assertHttpNotError(r, t)
if r.Code != http.StatusCreated {
t.Fatalf("%d Created expected, received %d\n", http.StatusCreated, r.Code)
}
var env engine.Env
if err := env.Decode(r.Body); err != nil {
t.Fatal(err)
}
if err := eng.Job("image_inspect", env.Get("Id")).Run(); err != nil {
t.Fatalf("The image has not been committed")
}
}
// CmdCommit creates a new image from a container's changes.
//
// Usage: docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]
func (cli *DockerCli) CmdCommit(args ...string) error {
cmd := cli.Subcmd("commit", "CONTAINER [REPOSITORY[:TAG]]", "Create a new image from a container's changes", true)
flPause := cmd.Bool([]string{"p", "-pause"}, true, "Pause container during commit")
flComment := cmd.String([]string{"m", "-message"}, "", "Commit message")
flAuthor := cmd.String([]string{"a", "#author", "-author"}, "", "Author (e.g., \"John Hannibal Smith <*****@*****.**>\")")
flChanges := opts.NewListOpts(nil)
cmd.Var(&flChanges, []string{"c", "-change"}, "Apply Dockerfile instruction to the created image")
// FIXME: --run is deprecated, it will be replaced with inline Dockerfile commands.
flConfig := cmd.String([]string{"#run", "#-run"}, "", "This option is deprecated and will be removed in a future version in favor of inline Dockerfile-compatible commands")
cmd.Require(flag.Max, 2)
cmd.Require(flag.Min, 1)
utils.ParseFlags(cmd, args, true)
var (
name = cmd.Arg(0)
repository, tag = parsers.ParseRepositoryTag(cmd.Arg(1))
)
//Check if the given image name can be resolved
if repository != "" {
if err := registry.ValidateRepositoryName(repository); err != nil {
return err
}
}
v := url.Values{}
v.Set("container", name)
v.Set("repo", repository)
v.Set("tag", tag)
v.Set("comment", *flComment)
v.Set("author", *flAuthor)
for _, change := range flChanges.GetAll() {
v.Add("changes", change)
}
if *flPause != true {
v.Set("pause", "0")
}
var (
config *runconfig.Config
env engine.Env
)
if *flConfig != "" {
config = &runconfig.Config{}
if err := json.Unmarshal([]byte(*flConfig), config); err != nil {
return err
}
}
stream, _, err := cli.call("POST", "/commit?"+v.Encode(), config, nil)
if err != nil {
return err
}
if err := env.Decode(stream); err != nil {
return err
}
fmt.Fprintf(cli.out, "%s\n", env.Get("Id"))
return nil
}
// Issue 7941 - test to make sure a "null" in JSON is just ignored.
// W/o this fix a null in JSON would be parsed into a string var as "null"
func TestPostCreateNull(t *testing.T) {
eng := NewTestEngine(t)
daemon := mkDaemonFromEngine(eng, t)
defer daemon.Nuke()
configStr := fmt.Sprintf(`{
"Hostname":"",
"Domainname":"",
"Memory":0,
"MemorySwap":0,
"CpuShares":0,
"Cpuset":null,
"AttachStdin":true,
"AttachStdout":true,
"AttachStderr":true,
"PortSpecs":null,
"ExposedPorts":{},
"Tty":true,
"OpenStdin":true,
"StdinOnce":true,
"Env":[],
"Cmd":"ls",
"Image":"%s",
"Volumes":{},
"WorkingDir":"",
"Entrypoint":null,
"NetworkDisabled":false,
"OnBuild":null}`, unitTestImageID)
req, err := http.NewRequest("POST", "/containers/create", strings.NewReader(configStr))
if err != nil {
t.Fatal(err)
}
req.Header.Set("Content-Type", "application/json")
r := httptest.NewRecorder()
if err := server.ServeRequest(eng, api.APIVERSION, r, req); err != nil {
t.Fatal(err)
}
assertHttpNotError(r, t)
if r.Code != http.StatusCreated {
t.Fatalf("%d Created expected, received %d\n", http.StatusCreated, r.Code)
}
var apiRun engine.Env
if err := apiRun.Decode(r.Body); err != nil {
t.Fatal(err)
}
containerID := apiRun.Get("Id")
containerAssertExists(eng, containerID, t)
c := daemon.Get(containerID)
if c.Config.Cpuset != "" {
t.Fatalf("Cpuset should have been empty - instead its:" + c.Config.Cpuset)
}
}
// TODO: Krane clean up because i needed to add Ship to String
func (cli *KraneCli) createContainer(config *runconfig.Config, hostConfig *runconfig.HostConfig, cidfile, name string, ship string) (engine.Env, error) {
containerValues := url.Values{}
if name != "" {
containerValues.Set("name", name)
}
if ship != "" {
containerValues.Set("ship", ship)
}
mergedConfig := runconfig.MergeConfigs(config, hostConfig)
var containerIDFile *cidFile
if cidfile != "" {
var err error
if containerIDFile, err = newCIDFile(cidfile); err != nil {
return nil, err
}
defer containerIDFile.Close()
}
//create the container
stream, statusCode, err := cli.call("POST", "/containers/create?"+containerValues.Encode(), mergedConfig, false)
//if image not found try to pull it
if statusCode == 404 {
fmt.Fprintf(cli.err, "Unable to find image '%s' locally\n", config.Image)
// we don't want to write to stdout anything apart from container.ID
if err = cli.pullImageCustomOut(config.Image, cli.err); err != nil {
return nil, err
}
// Retry
if stream, _, err = cli.call("POST", "/containers/create?"+containerValues.Encode(), mergedConfig, false); err != nil {
return nil, err
}
} else if err != nil {
return nil, err
}
var result engine.Env
if err := result.Decode(stream); err != nil {
return nil, err
}
for _, warning := range result.GetList("Warnings") {
fmt.Fprintf(cli.err, "WARNING: %s\n", warning)
}
if containerIDFile != nil {
if err = containerIDFile.Write(result.Get("Id")); err != nil {
return nil, err
}
}
return result, nil
}
// FIXME: --viz and --tree are deprecated. Remove them in a future version.
func (cli *DockerCli) printTreeNode(noTrunc bool, image *engine.Env, prefix string) {
var imageID string
if noTrunc {
imageID = image.Get("Id")
} else {
imageID = stringid.TruncateID(image.Get("Id"))
}
fmt.Fprintf(cli.out, "%s%s Virtual Size: %s", prefix, imageID, units.HumanSize(float64(image.GetInt64("VirtualSize"))))
if image.GetList("RepoTags")[0] != "<none>:<none>" {
fmt.Fprintf(cli.out, " Tags: %s\n", strings.Join(image.GetList("RepoTags"), ", "))
} else {
fmt.Fprint(cli.out, "\n")
}
}
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 ContainerCreate(job *engine.Job) engine.Status {
configuration := job.Eng.Hack_GetGlobalVar("configuration").(types.KraneConfiguration)
config := runconfig.ContainerConfigFromJob(job)
if len(job.Args) != 2 {
return job.Errorf("Usage: %s CONTAINER\n", job.Name)
}
ship := configuration.Production.Fleet.Find(job.Args[1])
containerValues := url.Values{}
containerValues.Set("name", job.Args[0])
cli := client.NewKraneClientApi(ship, false, job)
stream, statusCode, err := cli.Call("POST", "/containers/create?"+containerValues.Encode(), config, false)
if statusCode == 404 {
job.Printf("Unable to find image '%s' in %s://%s:%d\n", config.Image, ship.Schema, ship.Fqdn, ship.Port)
if err = pullImage(job, config.Image, ship); err != nil {
return job.Errorf("Cannot pull image %s: %s\n", config.Image, err)
}
if stream, _, err = cli.Call("POST", "/containers/create?"+containerValues.Encode(), config, false); err != nil {
return job.Errorf("Cannot create container: %s\n", err)
}
} else if err != nil {
return job.Errorf("Cannot create container: %s\n", err)
}
var runResult engine.Env
if err := runResult.Decode(stream); err != nil {
return job.Errorf("Error with container: %s\n", err)
}
for _, warning := range runResult.GetList("Warnings") {
job.Stdout.Write([]byte(fmt.Sprintf("WARNING: %s\n", warning)))
}
job.Stdout.Write([]byte(runResult.Get("Id")))
return engine.StatusOK
}
func TestPostContainersCreate(t *testing.T) {
eng := NewTestEngine(t)
defer mkDaemonFromEngine(eng, t).Nuke()
configJSON, err := json.Marshal(&runconfig.Config{
Image: unitTestImageID,
Memory: 33554432,
Cmd: []string{"touch", "/test"},
})
if err != nil {
t.Fatal(err)
}
req, err := http.NewRequest("POST", "/containers/create", bytes.NewReader(configJSON))
if err != nil {
t.Fatal(err)
}
req.Header.Set("Content-Type", "application/json")
r := httptest.NewRecorder()
if err := server.ServeRequest(eng, api.APIVERSION, r, req); err != nil {
t.Fatal(err)
}
assertHttpNotError(r, t)
if r.Code != http.StatusCreated {
t.Fatalf("%d Created expected, received %d\n", http.StatusCreated, r.Code)
}
var apiRun engine.Env
if err := apiRun.Decode(r.Body); err != nil {
t.Fatal(err)
}
containerID := apiRun.Get("Id")
containerAssertExists(eng, containerID, t)
containerRun(eng, containerID, t)
if !containerFileExists(eng, containerID, "test", t) {
t.Fatal("Test file was not created")
}
}
// CmdCp copies files/folders from a path on the container to a directory on the host running the command.
//
// If HOSTDIR is '-', the data is written as a tar file to STDOUT.
//
// Usage: docker cp CONTAINER:PATH HOSTDIR
func (cli *DockerCli) CmdCp(args ...string) error {
cmd := cli.Subcmd("cp", "CONTAINER:PATH HOSTDIR|-", "Copy files/folders from a PATH on the container to a HOSTDIR on the host\nrunning the command. Use '-' to write the data\nas a tar file to STDOUT.", true)
cmd.Require(flag.Exact, 2)
cmd.ParseFlags(args, true)
var copyData engine.Env
info := strings.Split(cmd.Arg(0), ":")
if len(info) != 2 {
return fmt.Errorf("Error: Path not specified")
}
copyData.Set("Resource", info[1])
copyData.Set("HostPath", cmd.Arg(1))
stream, statusCode, err := cli.call("POST", "/containers/"+info[0]+"/copy", copyData, nil)
if stream != nil {
defer stream.Close()
}
if statusCode == 404 {
return fmt.Errorf("No such container: %v", info[0])
}
if err != nil {
return err
}
if statusCode == 200 {
dest := copyData.Get("HostPath")
if dest == "-" {
_, err = io.Copy(cli.out, stream)
} else {
err = archive.Untar(stream, dest, &archive.TarOptions{NoLchown: true})
}
if err != nil {
return err
}
}
return nil
}
func postContainersCopy(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if vars == nil {
return fmt.Errorf("Missing parameter")
}
var copyData engine.Env
if err := checkForJson(r); err != nil {
return err
}
if err := copyData.Decode(r.Body); err != nil {
return err
}
if copyData.Get("Resource") == "" {
return fmt.Errorf("Path cannot be empty")
}
origResource := copyData.Get("Resource")
if copyData.Get("Resource")[0] == '/' {
copyData.Set("Resource", copyData.Get("Resource")[1:])
}
job := eng.Job("container_copy", vars["name"], copyData.Get("Resource"))
job.Stdout.Add(w)
w.Header().Set("Content-Type", "application/x-tar")
if err := job.Run(); err != nil {
log.Errorf("%s", err.Error())
if strings.Contains(strings.ToLower(err.Error()), "no such id") {
w.WriteHeader(http.StatusNotFound)
} else if strings.Contains(err.Error(), "no such file or directory") {
return fmt.Errorf("Could not find the file %s in container %s", origResource, vars["name"])
}
}
return nil
}
// FIXME: --viz and --tree are deprecated. Remove them in a future version.
func (cli *DockerCli) printVizNode(noTrunc bool, image *engine.Env, prefix string) {
var (
imageID string
parentID string
)
if noTrunc {
imageID = image.Get("Id")
parentID = image.Get("ParentId")
} else {
imageID = stringid.TruncateID(image.Get("Id"))
parentID = stringid.TruncateID(image.Get("ParentId"))
}
if parentID == "" {
fmt.Fprintf(cli.out, " base -> \"%s\" [style=invis]\n", imageID)
} else {
fmt.Fprintf(cli.out, " \"%s\" -> \"%s\"\n", parentID, imageID)
}
if image.GetList("RepoTags")[0] != "<none>:<none>" {
fmt.Fprintf(cli.out, " \"%s\" [label=\"%s\\n%s\",shape=box,fillcolor=\"paleturquoise\",style=\"filled,rounded\"];\n",
imageID, imageID, strings.Join(image.GetList("RepoTags"), "\\n"))
}
}
func (container *Container) allocateNetwork() error {
mode := container.hostConfig.NetworkMode
if container.Config.NetworkDisabled || mode.IsContainer() || mode.IsHost() {
return nil
}
var (
env *engine.Env
err error
eng = container.daemon.eng
)
job := eng.Job("allocate_interface", container.ID)
if env, err = job.Stdout.AddEnv(); err != nil {
return err
}
if err := job.Run(); err != nil {
return err
}
if container.Config.PortSpecs != nil {
if err := migratePortMappings(container.Config, container.hostConfig); err != nil {
return err
}
container.Config.PortSpecs = nil
if err := container.WriteHostConfig(); err != nil {
return err
}
}
var (
portSpecs = make(nat.PortSet)
bindings = make(nat.PortMap)
)
if container.Config.ExposedPorts != nil {
portSpecs = container.Config.ExposedPorts
}
if container.hostConfig.PortBindings != nil {
for p, b := range container.hostConfig.PortBindings {
bindings[p] = []nat.PortBinding{}
for _, bb := range b {
bindings[p] = append(bindings[p], nat.PortBinding{
HostIp: bb.HostIp,
HostPort: bb.HostPort,
})
}
}
}
container.NetworkSettings.PortMapping = nil
for port := range portSpecs {
if err := container.allocatePort(eng, port, bindings); err != nil {
return err
}
}
container.WriteHostConfig()
container.NetworkSettings.Ports = bindings
container.NetworkSettings.Bridge = env.Get("Bridge")
container.NetworkSettings.IPAddress = env.Get("IP")
container.NetworkSettings.IPPrefixLen = env.GetInt("IPPrefixLen")
container.NetworkSettings.Gateway = env.Get("Gateway")
return nil
}
func (container *Container) AllocateNetwork() error {
mode := container.hostConfig.NetworkMode
if container.Config.NetworkDisabled || !mode.IsPrivate() {
return nil
}
var (
env *engine.Env
err error
eng = container.daemon.eng
)
job := eng.Job("allocate_interface", container.ID)
job.Setenv("RequestedMac", container.Config.MacAddress)
if env, err = job.Stdout.AddEnv(); err != nil {
return err
}
if err = job.Run(); err != nil {
return err
}
// Error handling: At this point, the interface is allocated so we have to
// make sure that it is always released in case of error, otherwise we
// might leak resources.
if container.Config.PortSpecs != nil {
if err = migratePortMappings(container.Config, container.hostConfig); err != nil {
eng.Job("release_interface", container.ID).Run()
return err
}
container.Config.PortSpecs = nil
if err = container.WriteHostConfig(); err != nil {
eng.Job("release_interface", container.ID).Run()
return err
}
}
var (
portSpecs = make(nat.PortSet)
bindings = make(nat.PortMap)
)
if container.Config.ExposedPorts != nil {
portSpecs = container.Config.ExposedPorts
}
if container.hostConfig.PortBindings != nil {
for p, b := range container.hostConfig.PortBindings {
bindings[p] = []nat.PortBinding{}
for _, bb := range b {
bindings[p] = append(bindings[p], nat.PortBinding{
HostIp: bb.HostIp,
HostPort: bb.HostPort,
})
}
}
}
container.NetworkSettings.PortMapping = nil
for port := range portSpecs {
if err = container.allocatePort(eng, port, bindings); err != nil {
eng.Job("release_interface", container.ID).Run()
return err
}
}
container.WriteHostConfig()
container.NetworkSettings.Ports = bindings
container.NetworkSettings.Bridge = env.Get("Bridge")
container.NetworkSettings.IPAddress = env.Get("IP")
container.NetworkSettings.IPPrefixLen = env.GetInt("IPPrefixLen")
container.NetworkSettings.MacAddress = env.Get("MacAddress")
container.NetworkSettings.Gateway = env.Get("Gateway")
container.NetworkSettings.LinkLocalIPv6Address = env.Get("LinkLocalIPv6")
container.NetworkSettings.LinkLocalIPv6PrefixLen = 64
container.NetworkSettings.GlobalIPv6Address = env.Get("GlobalIPv6")
container.NetworkSettings.GlobalIPv6PrefixLen = env.GetInt("GlobalIPv6PrefixLen")
container.NetworkSettings.IPv6Gateway = env.Get("IPv6Gateway")
return nil
}