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revert.go
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revert.go
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/*
Copyright 2017 WALLIX
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,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package commands
import (
"errors"
"github.com/spf13/cobra"
"github.com/wallix/awless/config"
"github.com/wallix/awless/database"
"github.com/wallix/awless/logger"
"github.com/wallix/awless/template"
)
func init() {
RootCmd.AddCommand(revertCmd)
}
var revertCmd = &cobra.Command{
Use: "revert REVERTID",
Short: "Revert a template execution given a revert ID (see `awless log` to list revert ids)",
Example: " awless revert 01BA7RV6ES86PZYCM3H28WM6KZ",
PersistentPreRun: applyHooks(initLoggerHook, initAwlessEnvHook, initCloudServicesHook, initSyncerHook, firstInstallDoneHook),
PersistentPostRun: applyHooks(verifyNewVersionHook, onVersionUpgrade),
RunE: func(c *cobra.Command, args []string) error {
if len(args) < 1 {
return errors.New("REVERTID required (see `awless log` to list revert ids)")
}
revertId := args[0]
var loaded *template.TemplateExecution
exitOn(database.Execute(func(db *database.DB) (terr error) {
loaded, terr = db.GetTemplate(revertId)
return
}))
if loc := loaded.Locale; loc != "" && loc != config.GetAWSRegion() {
logger.Errorf("This template was originally run in region %s. You are currently in region %s", loc, config.GetAWSRegion())
logger.Infof("You can revert it using the region flag: `awless revert %s -r %s`", revertId, loc)
exitOn(errors.New("region mismatched"))
}
reverted, err := loaded.Template.Revert()
exitOn(err)
tplExec := &template.TemplateExecution{
Template: reverted,
Locale: config.GetAWSRegion(),
Source: reverted.String(),
}
exitOn(runTemplate(tplExec))
return nil
},
}