Files
moby/client/container_resize.go
2025-08-20 07:41:57 -05:00

45 lines
1.4 KiB
Go

package client
import (
"context"
"net/url"
"strconv"
)
// ContainerResizeOptions holds parameters to resize a TTY.
// It can be used to resize container TTYs and
// exec process TTYs too.
type ContainerResizeOptions struct {
Height uint
Width uint
}
// ContainerResize changes the size of the pseudo-TTY for a container.
func (cli *Client) ContainerResize(ctx context.Context, containerID string, options ContainerResizeOptions) error {
containerID, err := trimID("container", containerID)
if err != nil {
return err
}
return cli.resize(ctx, "/containers/"+containerID, options.Height, options.Width)
}
// ContainerExecResize changes the size of the tty for an exec process running inside a container.
func (cli *Client) ContainerExecResize(ctx context.Context, execID string, options ContainerResizeOptions) error {
execID, err := trimID("exec", execID)
if err != nil {
return err
}
return cli.resize(ctx, "/exec/"+execID, options.Height, options.Width)
}
func (cli *Client) resize(ctx context.Context, basePath string, height, width uint) error {
// FIXME(thaJeztah): the API / backend accepts uint32, but container.ResizeOptions uses uint.
query := url.Values{}
query.Set("h", strconv.FormatUint(uint64(height), 10))
query.Set("w", strconv.FormatUint(uint64(width), 10))
resp, err := cli.post(ctx, basePath+"/resize", query, nil, nil)
defer ensureReaderClosed(resp)
return err
}