Golang node.CreateOrUpdate函數代碼示例

// Reregistered is called when the executor is successfully re-registered with the slave.
// This can happen when the slave fails over.
func (k *KubernetesExecutor) Reregistered(driver bindings.ExecutorDriver, slaveInfo *mesos.SlaveInfo) {
	if k.isDone() {
		return
	}
	log.Infof("Reregistered with slave %v\n", slaveInfo)
	if !(&k.state).transition(disconnectedState, connectedState) {
		log.Errorf("failed to reregister/transition to a connected state")
	}

	if slaveInfo != nil {
		_, err := node.CreateOrUpdate(k.client, slaveInfo.GetHostname(), node.SlaveAttributesToLabels(slaveInfo.Attributes))
		if err != nil {
			log.Errorf("cannot update node labels: %v", err)
		}
	}

	if slaveInfo != nil && k.nodeInfos != nil {
		// make sure nodeInfos is not nil and send new NodeInfo
		k.lock.Lock()
		defer k.lock.Unlock()
		if k.isDone() {
			return
		}
		k.nodeInfos <- nodeInfo(slaveInfo, nil)
	}
}

// Registered is called when the executor is successfully registered with the slave.
func (k *KubernetesExecutor) Registered(driver bindings.ExecutorDriver,
	executorInfo *mesos.ExecutorInfo, frameworkInfo *mesos.FrameworkInfo, slaveInfo *mesos.SlaveInfo) {
	if k.isDone() {
		return
	}
	log.Infof("Executor %v of framework %v registered with slave %v\n",
		executorInfo, frameworkInfo, slaveInfo)
	if !(&k.state).transition(disconnectedState, connectedState) {
		log.Errorf("failed to register/transition to a connected state")
	}

	if executorInfo != nil && executorInfo.Data != nil {
		k.initializeStaticPodsSource(executorInfo.Data)
	}

	if slaveInfo != nil {
		_, err := node.CreateOrUpdate(k.client, slaveInfo.GetHostname(), node.SlaveAttributesToLabels(slaveInfo.Attributes))
		if err != nil {
			log.Errorf("cannot update node labels: %v", err)
		}
	}

	// emit an empty update to allow the mesos "source" to be marked as seen
	k.lock.Lock()
	defer k.lock.Unlock()
	k.sendPodUpdate(&kubetypes.PodUpdate{
		Pods: []*api.Pod{},
		Op:   kubetypes.SET,
	})

	if slaveInfo != nil && k.nodeInfos != nil {
		k.nodeInfos <- nodeInfo(slaveInfo, executorInfo) // leave it behind the upper lock to avoid panics
	}
}

// Registered is called when the executor is successfully registered with the slave.
func (k *Executor) Registered(
	driver bindings.ExecutorDriver,
	executorInfo *mesos.ExecutorInfo,
	frameworkInfo *mesos.FrameworkInfo,
	slaveInfo *mesos.SlaveInfo,
) {
	if k.isDone() {
		return
	}

	log.Infof(
		"Executor %v of framework %v registered with slave %v\n",
		executorInfo, frameworkInfo, slaveInfo,
	)

	if !(&k.state).transition(disconnectedState, connectedState) {
		log.Errorf("failed to register/transition to a connected state")
	}

	if executorInfo != nil && executorInfo.Data != nil {
		err := k.initializeStaticPodsSource(slaveInfo.GetHostname(), executorInfo.Data)
		if err != nil {
			log.Errorf("failed to initialize static pod configuration: %v", err)
		}
	}

	annotations, err := executorInfoToAnnotations(executorInfo)
	if err != nil {
		log.Errorf(
			"cannot get node annotations from executor info %v error %v",
			executorInfo, err,
		)
	}

	if slaveInfo != nil {
		_, err := node.CreateOrUpdate(
			k.client,
			slaveInfo.GetHostname(),
			node.SlaveAttributesToLabels(slaveInfo.Attributes),
			annotations,
		)

		if err != nil {
			log.Errorf("cannot update node labels: %v", err)
		}
	}

	// emit an empty update to allow the mesos "source" to be marked as seen
	k.lock.Lock()
	defer k.lock.Unlock()
	k.sendPodsSnapshot()

	if slaveInfo != nil && k.nodeInfos != nil {
		k.nodeInfos <- nodeInfo(slaveInfo, executorInfo) // leave it behind the upper lock to avoid panics
	}
}

// Reregistered is called when the executor is successfully re-registered with the slave.
// This can happen when the slave fails over.
func (k *KubernetesExecutor) Reregistered(driver bindings.ExecutorDriver, slaveInfo *mesos.SlaveInfo) {
	if k.isDone() {
		return
	}
	log.Infof("Reregistered with slave %v\n", slaveInfo)
	if !(&k.state).transition(disconnectedState, connectedState) {
		log.Errorf("failed to reregister/transition to a connected state")
	}

	if slaveInfo != nil {
		_, err := node.CreateOrUpdate(k.client, slaveInfo.GetHostname(), node.SlaveAttributesToLabels(slaveInfo.Attributes))
		if err != nil {
			log.Errorf("cannot update node labels: %v", err)
		}
	}

	k.initialRegistration.Do(k.onInitialRegistration)
}

func (cw *clientAPIWrapper) createOrUpdate(hostname string, slaveAttrLabels, annotations map[string]string) (*api.Node, error) {
	return node.CreateOrUpdate(cw.client, hostname, slaveAttrLabels, annotations)
}