57 lines
1.2 KiB
Go
57 lines
1.2 KiB
Go
package main
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import (
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"fmt"
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"strconv"
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"github.com/Microsoft/hcsshim/internal/appargs"
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"github.com/urfave/cli"
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)
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var resizeTtyCommand = cli.Command{
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Name: "resize-tty",
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Usage: "resize-tty updates the terminal size for a container process",
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ArgsUsage: `<container-id> <width> <height>`,
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Flags: []cli.Flag{
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&cli.IntFlag{
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Name: "pid, p",
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Usage: "the process pid (defaults to init pid)",
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},
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},
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Before: appargs.Validate(
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argID,
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appargs.Int(10, 1, 65535),
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appargs.Int(10, 1, 65535),
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),
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Action: func(context *cli.Context) error {
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id := context.Args()[0]
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width, _ := strconv.ParseUint(context.Args()[1], 10, 16)
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height, _ := strconv.ParseUint(context.Args()[2], 10, 16)
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c, err := getContainer(id, true)
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if err != nil {
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return err
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}
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defer c.Close()
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pid := context.Int("pid")
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if pid == 0 {
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if err := stateKey.Get(id, keyInitPid, &pid); err != nil {
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return err
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}
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} else {
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// If a pid was provided map it to its hcs pid.
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if err := stateKey.Get(id, fmt.Sprintf(keyPidMapFmt, pid), &pid); err != nil {
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return err
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}
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}
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p, err := c.hc.OpenProcess(pid)
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if err != nil {
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return err
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}
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defer p.Close()
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return p.ResizeConsole(uint16(width), uint16(height))
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},
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}
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