func (pm *Manager) restorePlugin(p *v2.Plugin) error {
p.RuntimeSourcePath = filepath.Join(pm.runRoot, p.GetID())
if p.IsEnabled() {
return pm.restore(p)
}
return nil
}
func (pm *Manager) enable(p *v2.Plugin, force bool) error {
if p.IsEnabled() && !force {
return fmt.Errorf("plugin %s is already enabled", p.Name())
}
spec, err := p.InitSpec(oci.DefaultSpec(), pm.libRoot)
if err != nil {
return err
}
p.RestartManager = restartmanager.New(container.RestartPolicy{Name: "always"}, 0)
if err := pm.containerdClient.Create(p.GetID(), "", "", specs.Spec(*spec), libcontainerd.WithRestartManager(p.RestartManager)); err != nil {
if err := p.RestartManager.Cancel(); err != nil {
logrus.Errorf("enable: restartManager.Cancel failed due to %v", err)
}
return err
}
p.PClient, err = plugins.NewClient("unix://"+filepath.Join(p.RuntimeSourcePath, p.GetSocket()), nil)
if err != nil {
if err := p.RestartManager.Cancel(); err != nil {
logrus.Errorf("enable: restartManager.Cancel failed due to %v", err)
}
return err
}
pm.pluginStore.SetState(p, true)
pm.pluginStore.CallHandler(p)
return nil
}
func (pm *Manager) enable(p *v2.Plugin, c *controller, force bool) error {
if p.IsEnabled() && !force {
return fmt.Errorf("plugin %s is already enabled", p.Name())
}
spec, err := p.InitSpec(oci.DefaultSpec(), pm.libRoot)
if err != nil {
return err
}
c.restart = true
c.exitChan = make(chan bool)
pm.mu.Lock()
pm.cMap[p] = c
pm.mu.Unlock()
if err := pm.containerdClient.Create(p.GetID(), "", "", specs.Spec(*spec), attachToLog(p.GetID())); err != nil {
return err
}
client, err := plugins.NewClientWithTimeout("unix://"+filepath.Join(p.GetRuntimeSourcePath(), p.GetSocket()), nil, c.timeoutInSecs)
if err != nil {
c.restart = false
shutdownPlugin(p, c, pm.containerdClient)
return err
}
p.SetPClient(client)
pm.pluginStore.SetState(p, true)
pm.pluginStore.CallHandler(p)
return nil
}
func (pm *Manager) restorePlugin(p *v2.Plugin) error {
p.Restore(pm.runRoot)
if p.IsEnabled() {
return pm.restore(p)
}
return nil
}
// Get returns an enabled plugin matching the given name and capability.
func (ps *Store) Get(name, capability string, mode int) (plugingetter.CompatPlugin, error) {
var (
p *v2.Plugin
err error
)
// Lookup using new model.
if ps != nil {
p, err = ps.GetV2Plugin(name)
if err == nil {
p.AddRefCount(mode)
if p.IsEnabled() {
return p.FilterByCap(capability)
}
// Plugin was found but it is disabled, so we should not fall back to legacy plugins
// but we should error out right away
return nil, ErrNotFound(name)
}
if _, ok := errors.Cause(err).(ErrNotFound); !ok {
return nil, err
}
}
// Lookup using legacy model.
if allowV1PluginsFallback {
p, err := plugins.Get(name, capability)
if err != nil {
return nil, fmt.Errorf("legacy plugin: %v", err)
}
return p, nil
}
return nil, err
}
func (pm *Manager) enable(p *v2.Plugin, force bool) error {
if p.IsEnabled() && !force {
return fmt.Errorf("plugin %s is already enabled", p.Name())
}
spec, err := p.InitSpec(oci.DefaultSpec(), pm.libRoot)
if err != nil {
return err
}
p.Lock()
p.Restart = true
p.Unlock()
if err := pm.containerdClient.Create(p.GetID(), "", "", specs.Spec(*spec)); err != nil {
return err
}
p.PClient, err = plugins.NewClient("unix://"+filepath.Join(p.RuntimeSourcePath, p.GetSocket()), nil)
if err != nil {
p.Lock()
p.Restart = false
p.Unlock()
return err
}
pm.pluginStore.SetState(p, true)
pm.pluginStore.CallHandler(p)
return nil
}
func (pm *Manager) enable(p *v2.Plugin, c *controller, force bool) error {
p.Rootfs = filepath.Join(pm.libRoot, p.PluginObj.ID, "rootfs")
if p.IsEnabled() && !force {
return fmt.Errorf("plugin %s is already enabled", p.Name())
}
spec, err := p.InitSpec(oci.DefaultSpec())
if err != nil {
return err
}
c.restart = true
c.exitChan = make(chan bool)
pm.mu.Lock()
pm.cMap[p] = c
pm.mu.Unlock()
if p.PropagatedMount != "" {
if err := mount.MakeRShared(p.PropagatedMount); err != nil {
return err
}
}
if err := pm.containerdClient.Create(p.GetID(), "", "", specs.Spec(*spec), attachToLog(p.GetID())); err != nil {
if p.PropagatedMount != "" {
if err := mount.Unmount(p.PropagatedMount); err != nil {
logrus.Warnf("Could not unmount %s: %v", p.PropagatedMount, err)
}
}
return err
}
return pm.pluginPostStart(p, c)
}
func (pm *Manager) disable(p *v2.Plugin, c *controller) error {
if !p.IsEnabled() {
return fmt.Errorf("plugin %s is already disabled", p.Name())
}
c.restart = false
shutdownPlugin(p, c, pm.containerdClient)
pm.pluginStore.SetState(p, false)
return nil
}
func (pm *Manager) disable(p *v2.Plugin) error {
if !p.IsEnabled() {
return fmt.Errorf("plugin %s is already disabled", p.Name())
}
p.Lock()
p.Restart = false
p.Unlock()
shutdownPlugin(p, pm.containerdClient)
pm.pluginStore.SetState(p, false)
return nil
}
func (pm *Manager) disable(p *v2.Plugin) error {
if !p.IsEnabled() {
return fmt.Errorf("plugin %s is already disabled", p.Name())
}
p.Lock()
p.Restart = false
p.Unlock()
if err := pm.containerdClient.Signal(p.GetID(), int(syscall.SIGKILL)); err != nil {
logrus.Error(err)
}
pm.pluginStore.SetState(p, false)
return nil
}
// Get returns an enabled plugin matching the given name and capability.
func (ps *Store) Get(name, capability string, mode int) (plugingetter.CompatPlugin, error) {
var (
p *v2.Plugin
err error
)
// Lookup using new model.
if ps != nil {
fullName := name
if named, err := reference.ParseNamed(fullName); err == nil { // FIXME: validate
if reference.IsNameOnly(named) {
named = reference.WithDefaultTag(named)
}
ref, ok := named.(reference.NamedTagged)
if !ok {
return nil, fmt.Errorf("invalid name: %s", named.String())
}
fullName = ref.String()
}
p, err = ps.GetByName(fullName)
if err == nil {
p.Lock()
p.RefCount += mode
p.Unlock()
if p.IsEnabled() {
return p.FilterByCap(capability)
}
// Plugin was found but it is disabled, so we should not fall back to legacy plugins
// but we should error out right away
return nil, ErrNotFound(fullName)
}
if _, ok := err.(ErrNotFound); !ok {
return nil, err
}
}
// Lookup using legacy model.
if allowV1PluginsFallback {
p, err := plugins.Get(name, capability)
if err != nil {
return nil, fmt.Errorf("legacy plugin: %v", err)
}
return p, nil
}
return nil, err
}
