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upgrade.go
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upgrade.go
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package cluster
import (
"fmt"
"github.com/rancher/rke/k8s"
"github.com/rancher/rke/services"
"github.com/sirupsen/logrus"
)
func (c *Cluster) ClusterUpgrade() error {
// make sure all nodes are Ready
logrus.Debugf("[upgrade] Checking node status")
if err := checkK8sNodesState(c.LocalKubeConfigPath); err != nil {
return err
}
// upgrade Contol Plane
logrus.Infof("[upgrade] Upgrading Control Plane Services")
if err := services.UpgradeControlPlane(c.ControlPlaneHosts, c.EtcdHosts, c.Services); err != nil {
return err
}
logrus.Infof("[upgrade] Control Plane Services updgraded successfully")
// upgrade Worker Plane
logrus.Infof("[upgrade] Upgrading Worker Plane Services")
if err := services.UpgradeWorkerPlane(c.ControlPlaneHosts, c.WorkerHosts, c.Services, c.LocalKubeConfigPath); err != nil {
return err
}
logrus.Infof("[upgrade] Worker Plane Services updgraded successfully")
return nil
}
func checkK8sNodesState(localConfigPath string) error {
k8sClient, err := k8s.NewClient(localConfigPath)
if err != nil {
return err
}
nodeList, err := k8s.GetNodeList(k8sClient)
if err != nil {
return err
}
for _, node := range nodeList.Items {
ready := k8s.IsNodeReady(node)
if !ready {
return fmt.Errorf("[upgrade] Node: %s is NotReady", node.Name)
}
}
logrus.Infof("[upgrade] All nodes are Ready")
return nil
}