// AttachShellWithClearEnvironment attaches a shell to the container.
// It clears all environment variables before attaching.
func (c *Container) AttachShellWithClearEnvironment() error {
if err := c.makeSure(isDefined | isRunning); err != nil {
return err
}
c.mu.Lock()
defer c.mu.Unlock()
if int(C.go_lxc_attach(c.container, true)) < 0 {
return ErrAttachFailed
}
return nil
}
// AttachShell attaches a shell to the container.
// It clears all environment variables before attaching.
func (c *Container) AttachShell(options AttachOptions) error {
if err := c.makeSure(isRunning); err != nil {
return err
}
c.mu.Lock()
defer c.mu.Unlock()
cenv := makeNullTerminatedArgs(options.Env)
if cenv == nil {
return ErrAllocationFailed
}
defer freeNullTerminatedArgs(cenv, len(options.Env))
cenvToKeep := makeNullTerminatedArgs(options.EnvToKeep)
if cenvToKeep == nil {
return ErrAllocationFailed
}
defer freeNullTerminatedArgs(cenvToKeep, len(options.EnvToKeep))
cwd := C.CString(options.Cwd)
defer C.free(unsafe.Pointer(cwd))
ret := int(C.go_lxc_attach(c.container,
C.bool(options.ClearEnv),
C.int(options.Namespaces),
C.long(options.Arch),
C.uid_t(options.UID),
C.gid_t(options.GID),
C.int(options.StdinFd),
C.int(options.StdoutFd),
C.int(options.StderrFd),
cwd,
cenv,
cenvToKeep,
))
if ret < 0 {
return ErrAttachFailed
}
return nil
}