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package containers
import (
"context"
"io"
"net/http"
"net/url"
"github.com/containers/podman/v4/pkg/bindings"
"github.com/containers/podman/v4/pkg/copy"
"github.com/containers/podman/v4/pkg/domain/entities"
"github.com/pkg/errors"
)
// Stat checks if the specified path is on the container. Note that the stat
// report may be set even in case of an error. This happens when the path
// resolves to symlink pointing to a non-existent path.
func Stat(ctx context.Context, nameOrID string, path string) (*entities.ContainerStatReport, error) {
conn, err := bindings.GetClient(ctx)
if err != nil {
return nil, err
}
params := url.Values{}
params.Set("path", path)
response, err := conn.DoRequest(ctx, nil, http.MethodHead, "/containers/%s/archive", params, nil, nameOrID)
if err != nil {
return nil, err
}
defer response.Body.Close()
var finalErr error
if response.StatusCode == http.StatusNotFound {
finalErr = copy.ErrENOENT
} else if response.StatusCode != http.StatusOK {
finalErr = errors.New(response.Status)
}
var statReport *entities.ContainerStatReport
fileInfo, err := copy.ExtractFileInfoFromHeader(&response.Header)
if err != nil && finalErr == nil {
return nil, err
}
if fileInfo != nil {
statReport = &entities.ContainerStatReport{FileInfo: *fileInfo}
}
return statReport, finalErr
}
func CopyFromArchive(ctx context.Context, nameOrID string, path string, reader io.Reader) (entities.ContainerCopyFunc, error) {
return CopyFromArchiveWithOptions(ctx, nameOrID, path, reader, nil)
}
// CopyFromArchiveWithOptions copy files into container
//
// FIXME: remove this function and make CopyFromArchive accept the option as the last parameter in podman 4.0
func CopyFromArchiveWithOptions(ctx context.Context, nameOrID string, path string, reader io.Reader, options *CopyOptions) (entities.ContainerCopyFunc, error) {
conn, err := bindings.GetClient(ctx)
if err != nil {
return nil, err
}
params, err := options.ToParams()
if err != nil {
return nil, err
}
params.Set("path", path)
return func() error {
response, err := conn.DoRequest(ctx, reader, http.MethodPut, "/containers/%s/archive", params, nil, nameOrID)
if err != nil {
return err
}
if response.StatusCode != http.StatusOK {
return errors.New(response.Status)
}
return response.Process(nil)
}, nil
}
// CopyToArchive copy files from container
func CopyToArchive(ctx context.Context, nameOrID string, path string, writer io.Writer) (entities.ContainerCopyFunc, error) {
conn, err := bindings.GetClient(ctx)
if err != nil {
return nil, err
}
params := url.Values{}
params.Set("path", path)
response, err := conn.DoRequest(ctx, nil, http.MethodGet, "/containers/%s/archive", params, nil, nameOrID)
if err != nil {
return nil, err
}
if response.StatusCode != http.StatusOK {
defer response.Body.Close()
return nil, response.Process(nil)
}
return func() error {
defer response.Body.Close()
_, err := io.Copy(writer, response.Body)
return err
}, nil
}
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