func newRsyncStrategy(f *clientcmd.Factory, c *cobra.Command, o *RsyncOptions) (copyStrategy, error) {
// Determine the rsh command to pass to the local rsync command
rsh := cmdutil.SiblingCommand(c, "rsh")
rshCmd := []string{rsh}
// Append all original flags to rsh command
c.Flags().Visit(func(flag *pflag.Flag) {
if rshExcludeFlags.Has(flag.Name) {
return
}
rshCmd = append(rshCmd, fmt.Sprintf("--%s=%s", flag.Name, flag.Value.String()))
})
rshCmdStr := strings.Join(rshCmd, " ")
glog.V(4).Infof("Rsh command: %s", rshCmdStr)
remoteExec, err := newRemoteExecutor(f, o)
if err != nil {
return nil, err
}
// The blocking-io flag is used to resolve a sync issue when
// copying from the pod to the local machine
flags := []string{"-a", "--blocking-io", "--omit-dir-times", "--numeric-ids"}
flags = append(flags, rsyncFlagsFromOptions(o)...)
podName := o.Source.PodName
if o.Source.Local() {
podName = o.Destination.PodName
}
client, err := f.ClientSet()
if err != nil {
return nil, err
}
return &rsyncStrategy{
Flags: flags,
RshCommand: rshCmdStr,
RemoteExecutor: remoteExec,
LocalExecutor: newLocalExecutor(),
podChecker: podAPIChecker{client, o.Namespace, podName},
}, nil
}
// CheckExistingOpenShiftContainer checks the state of an OpenShift container. If one
// is already running, it throws an error. If one exists, it removes it so a new one
// can be created.
func (c *ClientStartConfig) CheckExistingOpenShiftContainer(out io.Writer) error {
exists, running, err := c.DockerHelper().GetContainerState(openShiftContainer)
if err != nil {
return errors.NewError("unexpected error while checking OpenShift container state").WithCause(err)
}
if running {
return errors.NewError("OpenShift is already running").WithSolution("To start OpenShift again, stop the current cluster:\n$ %s\n", cmdutil.SiblingCommand(c.command, "down"))
}
if exists {
err = c.DockerHelper().RemoveContainer(openShiftContainer)
if err != nil {
return errors.NewError("cannot delete existing OpenShift container").WithCause(err)
}
fmt.Fprintf(out, "Deleted existing OpenShift container\n")
}
return nil
}