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uninstall.go
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uninstall.go
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// Copyright 2020 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package cmd
import (
"fmt"
"os"
"strings"
"github.com/pingcap/errors"
"github.com/pingcap/tiup/pkg/environment"
"github.com/pingcap/tiup/pkg/localdata"
"github.com/pingcap/tiup/pkg/utils"
"github.com/spf13/cobra"
)
func newUninstallCmd() *cobra.Command {
var all, self bool
cmdUnInst := &cobra.Command{
Use: "uninstall <component1>:<version>",
Short: "Uninstall components or versions of a component",
Long: `If you specify a version number, uninstall the specified version of
the component. You must use --all explicitly if you want to remove all
components or versions which are installed. You can uninstall multiple
components or multiple versions of a component at once. The --self flag
which is used to uninstall tiup.
# Uninstall tiup
tiup uninstall --self
# Uninstall the specific version a component
tiup uninstall tidb:v3.0.10
# Uninstall all version of specific component
tiup uninstall tidb --all
# Uninstall all installed components
tiup uninstall --all`,
RunE: func(cmd *cobra.Command, args []string) error {
teleCommand = cmd.CommandPath()
env := environment.GlobalEnv()
if self {
deletable := []string{"bin", "manifest", "manifests", "components", "storage/cluster/packages"}
for _, dir := range deletable {
if err := os.RemoveAll(env.Profile().Path(dir)); err != nil {
return errors.Trace(err)
}
fmt.Printf("Remove directory '%s' successfully!\n", env.Profile().Path(dir))
}
fmt.Printf("Uninstalled TiUP successfully! (User data reserved, you can delete '%s' manually if you confirm userdata useless)\n", env.Profile().Root())
return nil
}
switch {
case len(args) > 0:
return removeComponents(env, args, all)
case len(args) == 0 && all:
if err := os.RemoveAll(env.LocalPath(localdata.ComponentParentDir)); err != nil {
return errors.Trace(err)
}
fmt.Println("Uninstalled all components successfully!")
return nil
default:
return cmd.Help()
}
},
}
cmdUnInst.Flags().BoolVar(&all, "all", false, "Remove all components or versions.")
cmdUnInst.Flags().BoolVar(&self, "self", false, "Uninstall tiup and clean all local data")
return cmdUnInst
}
func removeComponents(env *environment.Environment, specs []string, all bool) error {
for _, spec := range specs {
paths := []string{}
if strings.Contains(spec, ":") {
parts := strings.SplitN(spec, ":", 2)
// after this version is deleted, component will have no version left. delete the whole component dir directly
dir, err := os.ReadDir(env.LocalPath(localdata.ComponentParentDir, parts[0]))
if err != nil {
return errors.Trace(err)
}
if parts[1] == utils.NightlyVersionAlias {
for _, fi := range dir {
if utils.Version(fi.Name()).IsNightly() {
paths = append(paths, env.LocalPath(localdata.ComponentParentDir, parts[0], fi.Name()))
}
}
} else {
paths = append(paths, env.LocalPath(localdata.ComponentParentDir, parts[0], parts[1]))
}
if len(dir)-len(paths) < 1 {
paths = append(paths, env.LocalPath(localdata.ComponentParentDir, parts[0]))
}
} else {
if !all {
fmt.Printf("Use `tiup uninstall %s --all` if you want to remove all versions.\n", spec)
continue
}
paths = append(paths, env.LocalPath(localdata.ComponentParentDir, spec))
}
for _, path := range paths {
if err := os.RemoveAll(path); err != nil {
return errors.Trace(err)
}
}
fmt.Printf("Uninstalled component `%s` successfully!\n", spec)
}
return nil
}