func (r *remote) Client(b Backend) (Client, error) {
c := &client{
clientCommon: clientCommon{
backend: b,
containers: make(map[string]*container),
locker: locker.New(),
},
remote: r,
exitNotifiers: make(map[string]*exitNotifier),
}
r.Lock()
r.clients = append(r.clients, c)
r.Unlock()
return c, nil
}
// New creates a new instance of network controller.
func New(cfgOptions ...config.Option) (NetworkController, error) {
c := &controller{
id: stringid.GenerateRandomID(),
cfg: config.ParseConfigOptions(cfgOptions...),
sandboxes: sandboxTable{},
svcRecords: make(map[string]svcInfo),
serviceBindings: make(map[serviceKey]*service),
agentInitDone: make(chan struct{}),
networkLocker: locker.New(),
}
if err := c.initStores(); err != nil {
return nil, err
}
drvRegistry, err := drvregistry.New(c.getStore(datastore.LocalScope), c.getStore(datastore.GlobalScope), c.RegisterDriver, nil, c.cfg.PluginGetter)
if err != nil {
return nil, err
}
for _, i := range getInitializers() {
var dcfg map[string]interface{}
// External plugins don't need config passed through daemon. They can
// bootstrap themselves
if i.ntype != "remote" {
dcfg = c.makeDriverConfig(i.ntype)
}
if err := drvRegistry.AddDriver(i.ntype, i.fn, dcfg); err != nil {
return nil, err
}
}
if err = initIPAMDrivers(drvRegistry, nil, c.getStore(datastore.GlobalScope)); err != nil {
return nil, err
}
c.drvRegistry = drvRegistry
if c.cfg != nil && c.cfg.Cluster.Watcher != nil {
if err := c.initDiscovery(c.cfg.Cluster.Watcher); err != nil {
// Failing to initialize discovery is a bad situation to be in.
// But it cannot fail creating the Controller
log.Errorf("Failed to Initialize Discovery : %v", err)
}
}
c.WalkNetworks(populateSpecial)
// Reserve pools first before doing cleanup. Otherwise the
// cleanups of endpoint/network and sandbox below will
// generate many unnecessary warnings
c.reservePools()
// Cleanup resources
c.sandboxCleanup(c.cfg.ActiveSandboxes)
c.cleanupLocalEndpoints()
c.networkCleanup()
if err := c.startExternalKeyListener(); err != nil {
return nil, err
}
return c, nil
}