Esempio n. 1
0
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
}
Esempio n. 2
0
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
}
Esempio n. 3
0
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
}
Esempio n. 4
0
func (pm *Manager) restorePlugin(p *v2.Plugin) error {
	p.Restore(pm.runRoot)
	if p.IsEnabled() {
		return pm.restore(p)
	}
	return nil
}
Esempio n. 5
0
// 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
}
Esempio n. 6
0
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
}
Esempio n. 7
0
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)
}
Esempio n. 8
0
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
}
Esempio n. 9
0
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
}
Esempio n. 10
0
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
}
Esempio n. 11
0
// 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
}