github.com/alibaba/sealer@v0.8.6-0.20220430115802-37a2bdaa8173/sealer/cmd/delete.go (about) 1 // Copyright © 2021 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 cmd 16 17 import ( 18 "fmt" 19 20 "github.com/alibaba/sealer/pkg/clusterfile" 21 22 "github.com/alibaba/sealer/pkg/runtime" 23 24 "github.com/spf13/cobra" 25 26 "github.com/alibaba/sealer/apply" 27 "github.com/alibaba/sealer/common" 28 ) 29 30 var ( 31 deleteArgs *common.RunArgs 32 deleteClusterFile string 33 deleteClusterName string 34 ) 35 36 // deleteCmd represents the delete command 37 var deleteCmd = &cobra.Command{ 38 Use: "delete", 39 Short: "delete a cluster", 40 Long: `if provider is Bare Metal Server will delete kubernetes nodes`, 41 Args: cobra.NoArgs, 42 Example: ` 43 delete to default cluster: 44 sealer delete --masters x.x.x.x --nodes x.x.x.x 45 sealer delete --masters x.x.x.x-x.x.x.y --nodes x.x.x.x-x.x.x.y 46 delete all: 47 sealer delete --all [--force] 48 sealer delete -f /root/.sealer/mycluster/Clusterfile [--force] 49 sealer delete -c my-cluster [--force] 50 `, 51 RunE: func(cmd *cobra.Command, args []string) error { 52 all, err := cmd.Flags().GetBool("all") 53 if err != nil { 54 return err 55 } 56 if deleteClusterName == "" && deleteClusterFile == "" { 57 if !all && deleteArgs.Masters == "" && deleteArgs.Nodes == "" { 58 return fmt.Errorf("the delete parameter needs to be set") 59 } 60 deleteClusterName, err = clusterfile.GetDefaultClusterName() 61 if err == clusterfile.ErrClusterNotExist { 62 fmt.Println("Find no exist cluster, skip delete") 63 return nil 64 } 65 if err != nil { 66 return err 67 } 68 deleteClusterFile = common.GetClusterWorkClusterfile(deleteClusterName) 69 } else if deleteClusterName != "" && deleteClusterFile != "" { 70 tmpClusterfile := common.GetClusterWorkClusterfile(deleteClusterName) 71 if tmpClusterfile != deleteClusterFile { 72 return fmt.Errorf("arguments error:%s and %s refer to different clusters", deleteClusterFile, tmpClusterfile) 73 } 74 } else if deleteClusterFile == "" { 75 deleteClusterFile = common.GetClusterWorkClusterfile(deleteClusterName) 76 } 77 if deleteArgs.Nodes != "" || deleteArgs.Masters != "" { 78 applier, err := apply.NewScaleApplierFromArgs(deleteClusterFile, deleteArgs, common.DeleteSubCmd) 79 if err != nil { 80 return err 81 } 82 return applier.Apply() 83 } 84 85 applier, err := apply.NewApplierFromFile(deleteClusterFile) 86 if err != nil { 87 return err 88 } 89 return applier.Delete() 90 }, 91 } 92 93 func init() { 94 deleteArgs = &common.RunArgs{} 95 rootCmd.AddCommand(deleteCmd) 96 deleteCmd.Flags().StringVarP(&deleteArgs.Masters, "masters", "m", "", "reduce Count or IPList to masters") 97 deleteCmd.Flags().StringVarP(&deleteArgs.Nodes, "nodes", "n", "", "reduce Count or IPList to nodes") 98 deleteCmd.Flags().StringVarP(&deleteClusterFile, "Clusterfile", "f", "", "delete a kubernetes cluster with Clusterfile Annotations") 99 deleteCmd.Flags().StringVarP(&deleteClusterName, "cluster", "c", "", "delete a kubernetes cluster with cluster name") 100 deleteCmd.Flags().BoolVar(&runtime.ForceDelete, "force", false, "We also can input an --force flag to delete cluster by force") 101 deleteCmd.Flags().BoolP("all", "a", false, "this flags is for delete nodes, if this is true, empty all node ip") 102 }