func findCommandAndSlaveNodes(tree *processtree.ProcessTree, command string, err error) (*processtree.CommandNode, *processtree.SlaveNode, error) {
if err != nil {
return nil, nil, err
}
commandNode := tree.FindCommand(command)
if commandNode == nil {
return nil, nil, errors.New("ERROR: Node not found!: " + command)
}
command = commandNode.Name
slaveNode := commandNode.Parent
return commandNode, slaveNode, nil
}
