func NewBox(ctx context.Context, cfg isolate.BoxConfig) (isolate.Box, error) {
spoolPath, ok := cfg["spool"].(string)
if !ok {
spoolPath = defaultSpoolPath
}
var locator []string
if endpoint, ok := cfg["locator"].(string); ok {
locator = append(locator, endpoint)
}
ctx, cancel := context.WithCancel(ctx)
box := &Box{
ctx: ctx,
cancellation: cancel,
spoolPath: spoolPath,
storage: createCodeStorage(locator),
children: make(map[int]*exec.Cmd),
// NOTE: configurable
spawnSm: semaphore.New(10),
}
box.wg.Add(1)
go func() {
defer box.wg.Done()
box.sigchldHandler()
}()
return box, nil
}
// NewBox ...
func NewBox(ctx context.Context, cfg isolate.BoxConfig) (isolate.Box, error) {
var config = &dockerBoxConfig{
DockerEndpoint: client.DefaultDockerHost,
SpawnConcurrency: defaultSpawnConcurrency,
}
decoderConfig := mapstructure.DecoderConfig{
WeaklyTypedInput: true,
Result: config,
TagName: "json",
}
decoder, err := mapstructure.NewDecoder(&decoderConfig)
if err != nil {
return nil, err
}
if err = decoder.Decode(cfg); err != nil {
return nil, err
}
client, err := client.NewClient(config.DockerEndpoint, config.APIVersion, nil, defaultHeaders)
if err != nil {
return nil, err
}
ctx, cancellation := context.WithCancel(ctx)
box := &Box{
ctx: ctx,
cancellation: cancellation,
client: client,
spawnSM: semaphore.New(config.SpawnConcurrency),
config: config,
containers: make(map[string]*process),
}
body, err := json.Marshal(config)
if err != nil {
return nil, err
}
dockerConfig.Set(string(body))
go box.watchEvents()
return box, nil
}
// NewBox creates new Box
func NewBox(ctx context.Context, cfg isolate.BoxConfig) (isolate.Box, error) {
apexctx.GetLogger(ctx).Warn("Porto Box is unstable")
var config = &portoBoxConfig{
SpawnConcurrency: 10,
DialRetries: 10,
CleanupEnabled: true,
WeakEnabled: false,
}
decoderConfig := mapstructure.DecoderConfig{
WeaklyTypedInput: true,
Result: config,
TagName: "json",
}
decoder, err := mapstructure.NewDecoder(&decoderConfig)
if err != nil {
return nil, err
}
if err = decoder.Decode(cfg); err != nil {
return nil, err
}
if config.Layers == "" {
return nil, fmt.Errorf("option Layers is invalid or unspecified")
}
if config.Containers == "" {
return nil, fmt.Errorf("option Containers is invalid or unspecified")
}
if config.Journal == "" {
return nil, fmt.Errorf("option Journal is empty or unspecified")
}
if config.VolumeBackend == "" {
config.VolumeBackend = defaultVolumeBackend
}
apexctx.GetLogger(ctx).WithField("dir", config.Layers).Info("create directory for Layers")
if err = os.MkdirAll(config.Layers, 0755); err != nil {
return nil, err
}
apexctx.GetLogger(ctx).WithField("dir", config.Containers).Info("create directory for Containers")
if err = os.MkdirAll(config.Containers, 0755); err != nil {
return nil, err
}
blobRepo, err := NewBlobRepository(ctx, BlobRepositoryConfig{SpoolPath: config.Layers})
if err != nil {
return nil, err
}
tr := &http.Transport{
Dial: func(network, addr string) (net.Conn, error) {
for i := 0; i <= config.DialRetries; i++ {
dialer := net.Dialer{
DualStack: true,
Timeout: 5 * time.Second,
}
conn, err := dialer.Dial(network, addr)
if err == nil {
return conn, err
}
sleepTime := time.Duration(rand.Int63n(500)) * time.Millisecond
apexctx.GetLogger(ctx).WithError(err).Errorf("dial error to %s %s. Sleep %v", network, addr, sleepTime)
time.Sleep(sleepTime)
}
return nil, fmt.Errorf("no retries available")
},
}
portoConn, err := portoConnect()
if err != nil {
return nil, err
}
defer portoConn.Close()
rootPrefix, err := portoConn.GetProperty("self", "absolute_name")
if err != nil {
return nil, err
}
if rootPrefix == "/" {
rootPrefix = ""
}
ctx, onClose := context.WithCancel(ctx)
box := &Box{
config: config,
journal: newJournal(),
transport: tr,
spawnSM: semaphore.New(config.SpawnConcurrency),
containers: make(map[string]*container),
onClose: onClose,
rootPrefix: rootPrefix,
blobRepo: blobRepo,
}
body, err := json.Marshal(config)
if err != nil {
return nil, err
}
portoConfig.Set(string(body))
if err = box.loadJournal(ctx); err != nil {
box.Close()
return nil, err
}
layers, err := portoConn.ListLayers()
if err != nil {
return nil, err
}
box.journal.UpdateFromPorto(layers)
journalContent.Set(box.journal.String())
go box.waitLoop(ctx)
go box.dumpJournalEvery(ctx, time.Minute)
return box, nil
}