Migrate restic swift backend to plural path names

restic_migrateswift.go

package main
        
import (
        "fmt"   
        "github.com/ncw/swift"                                                                                                     
        "strings"
)               
                                                                                                                                   
func main() {
        container := "restictestcontainer"
        prefixMap := map[string]string{                                                                                            
                "key/":      "keys/",                                                                                              
                "snapshot/": "snapshots/",                                                                                         
                "lock/":     "locks/",
        }
        
        c := swift.Connection{
                StorageUrl: "http://127.0.0.1:12345/v1/AUTH_admin",                                                                
                AuthToken:  "AUTH_tkbffc8a34abc04de8b0ff32a28a341f02",                                                             
        }                                                                                                                          
                                                                                                                                   
        if !c.Authenticated() {
                fmt.Println("Not authenticated")
                return                                                                                                             
        }
        for oldPrefix, newPrefix := range prefixMap {                                                                              
                c.ObjectsWalk(container, &swift.ObjectsOpts{Prefix: oldPrefix},                                                    
                        func(opts *swift.ObjectsOpts) (interface{}, error) {                                                       
                                objectNames, err := c.ObjectNames(container, opts)                                                 
                                if err != nil {                                                                                    
                                        fmt.Println(err)                                                                           
                                        return nil, err                                                                            
                                }                                                                                                  
                                for _, objName := range objectNames {
                                        newObjName := strings.TrimPrefix(objName, oldPrefix)                                       
                                        if newObjName == "" {
                                                continue                                                                           
                                        }
                                        newObjName = newPrefix + newObjName                                                        
                                        fmt.Printf("%s -> %s\n", objName, newObjName)                                              
                                        err := c.ObjectMove(container, objName, container, newObjName)                             
                                        if err != nil {                                                                            
                                                fmt.Printf("Failed to move %s:\n%v", objName, err)                                 
                                        }                                                                                          
                                }                                                                                                  
                                return objectNames, nil                                                                            
                        },              
                )                       
        }                                       
}                                       
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