github.com/sealerio/sealer@v0.11.1-0.20240507115618-f4f89c5853ae/pkg/cluster-runtime/rollback.go (about)

     1  // Copyright © 2022 Alibaba Group Holding Ltd.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package clusterruntime
    16  
    17  import (
    18  	"net"
    19  
    20  	"github.com/sealerio/sealer/common"
    21  	"github.com/sealerio/sealer/pkg/registry"
    22  )
    23  
    24  func (i *Installer) Rollback() error {
    25  	var (
    26  		masters = i.infraDriver.GetHostIPListByRole(common.MASTER)
    27  		master0 = masters[0]
    28  		workers = getWorkerIPList(i.infraDriver)
    29  		all     = append(masters, workers...)
    30  		rootfs  = i.infraDriver.GetClusterRootfsPath()
    31  	)
    32  
    33  	crInfo, err := i.containerRuntimeInstaller.GetInfo()
    34  	if err != nil {
    35  		return err
    36  	}
    37  
    38  	var deployHosts []net.IP
    39  	if i.regConfig.LocalRegistry != nil {
    40  		installer := registry.NewInstaller(nil, i.regConfig.LocalRegistry, i.infraDriver, i.Distributor)
    41  		if *i.regConfig.LocalRegistry.HA {
    42  			deployHosts, err = installer.Reconcile(masters)
    43  			if err != nil {
    44  				return err
    45  			}
    46  		} else {
    47  			deployHosts, err = installer.Reconcile([]net.IP{master0})
    48  			if err != nil {
    49  				return err
    50  			}
    51  		}
    52  	}
    53  	registryConfigurator, err := registry.NewConfigurator(deployHosts, crInfo, i.regConfig, i.infraDriver, i.Distributor)
    54  	if err != nil {
    55  		return err
    56  	}
    57  
    58  	if err = registryConfigurator.InstallOn(masters, workers); err != nil {
    59  		return err
    60  	}
    61  
    62  	if err := i.runClusterHook(master0, RollbackCluster); err != nil {
    63  		return err
    64  	}
    65  
    66  	//distribute rootfs after rollback
    67  	if err := i.Distributor.Distribute(all, rootfs); err != nil {
    68  		return err
    69  	}
    70  
    71  	return nil
    72  }