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package abi
import (
"context"
"strings"
"github.com/containers/podman/v2/libpod"
"github.com/containers/podman/v2/pkg/copy"
"github.com/containers/podman/v2/pkg/domain/entities"
"github.com/pkg/errors"
)
func (ic *ContainerEngine) ContainerCp(ctx context.Context, source, dest string, options entities.ContainerCpOptions) error {
srcCtr, srcPath := parsePath(ic.Libpod, source)
destCtr, destPath := parsePath(ic.Libpod, dest)
if srcCtr != nil && destCtr != nil {
return errors.Errorf("invalid arguments %q, %q: you must use just one container", source, dest)
}
if srcCtr == nil && destCtr == nil {
return errors.Errorf("invalid arguments %q, %q: you must specify one container", source, dest)
}
if len(srcPath) == 0 || len(destPath) == 0 {
return errors.Errorf("invalid arguments %q, %q: you must specify paths", source, dest)
}
var sourceItem, destinationItem copy.CopyItem
var err error
// Copy from the container to the host.
if srcCtr != nil {
sourceItem, err = copy.CopyItemForContainer(srcCtr, srcPath, options.Pause, true)
defer sourceItem.CleanUp()
if err != nil {
return err
}
} else {
sourceItem, err = copy.CopyItemForHost(srcPath, true)
if err != nil {
return err
}
}
if destCtr != nil {
destinationItem, err = copy.CopyItemForContainer(destCtr, destPath, options.Pause, false)
defer destinationItem.CleanUp()
if err != nil {
return err
}
} else {
destinationItem, err = copy.CopyItemForHost(destPath, false)
defer destinationItem.CleanUp()
if err != nil {
return err
}
}
// Copy from the host to the container.
return copy.Copy(&sourceItem, &destinationItem, options.Extract)
}
func parsePath(runtime *libpod.Runtime, path string) (*libpod.Container, string) {
if len(path) == 0 {
return nil, ""
}
if path[0] == '.' || path[0] == '/' { // A path cannot point to a container.
return nil, path
}
pathArr := strings.SplitN(path, ":", 2)
if len(pathArr) == 2 {
ctr, err := runtime.LookupContainer(pathArr[0])
if err == nil {
return ctr, pathArr[1]
}
}
return nil, path
}
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