Merge pull request #2746 from baude/remotecreate

podman-remote create|run

1 files changed, 1 insertions, 195 deletions

diff --git a/cmd/podman/utils.go b/cmd/podman/utils.go
index 45d081512..c763940db 100644
--- a/cmd/podman/utils.go
+++ b/cmd/podman/utils.go
@@ -1,205 +1,11 @@
 package main
 
 import (
-	"context"
 	"fmt"
-	"github.com/spf13/pflag"
-	"os"
-	gosignal "os/signal"
 
-	"github.com/containers/libpod/cmd/podman/cliconfig"
-	"github.com/containers/libpod/libpod"
-	"github.com/docker/docker/pkg/signal"
-	"github.com/docker/docker/pkg/term"
-	"github.com/pkg/errors"
-	"github.com/sirupsen/logrus"
-	"golang.org/x/crypto/ssh/terminal"
-	"k8s.io/client-go/tools/remotecommand"
+	"github.com/spf13/pflag"
 )
 
-type RawTtyFormatter struct {
-}
-
-// Start (if required) and attach to a container
-func startAttachCtr(ctr *libpod.Container, stdout, stderr, stdin *os.File, detachKeys string, sigProxy bool, startContainer bool, recursive bool) error {
-	ctx := context.Background()
-	resize := make(chan remotecommand.TerminalSize)
-
-	haveTerminal := terminal.IsTerminal(int(os.Stdin.Fd()))
-
-	// Check if we are attached to a terminal. If we are, generate resize
-	// events, and set the terminal to raw mode
-	if haveTerminal && ctr.Spec().Process.Terminal {
-		logrus.Debugf("Handling terminal attach")
-
-		subCtx, cancel := context.WithCancel(ctx)
-		defer cancel()
-
-		resizeTty(subCtx, resize)
-
-		oldTermState, err := term.SaveState(os.Stdin.Fd())
-		if err != nil {
-			return errors.Wrapf(err, "unable to save terminal state")
-		}
-
-		logrus.SetFormatter(&RawTtyFormatter{})
-		term.SetRawTerminal(os.Stdin.Fd())
-
-		defer restoreTerminal(oldTermState)
-	}
-
-	streams := new(libpod.AttachStreams)
-	streams.OutputStream = stdout
-	streams.ErrorStream = stderr
-	streams.InputStream = stdin
-	streams.AttachOutput = true
-	streams.AttachError = true
-	streams.AttachInput = true
-
-	if stdout == nil {
-		logrus.Debugf("Not attaching to stdout")
-		streams.AttachOutput = false
-	}
-	if stderr == nil {
-		logrus.Debugf("Not attaching to stderr")
-		streams.AttachError = false
-	}
-	if stdin == nil {
-		logrus.Debugf("Not attaching to stdin")
-		streams.AttachInput = false
-	}
-
-	if !startContainer {
-		if sigProxy {
-			ProxySignals(ctr)
-		}
-
-		return ctr.Attach(streams, detachKeys, resize)
-	}
-
-	attachChan, err := ctr.StartAndAttach(getContext(), streams, detachKeys, resize, recursive)
-	if err != nil {
-		return err
-	}
-
-	if sigProxy {
-		ProxySignals(ctr)
-	}
-
-	if stdout == nil && stderr == nil {
-		fmt.Printf("%s\n", ctr.ID())
-	}
-
-	err = <-attachChan
-	if err != nil {
-		return errors.Wrapf(err, "error attaching to container %s", ctr.ID())
-	}
-
-	return nil
-}
-
-// getResize returns a TerminalSize command matching stdin's current
-// size on success, and nil on errors.
-func getResize() *remotecommand.TerminalSize {
-	winsize, err := term.GetWinsize(os.Stdin.Fd())
-	if err != nil {
-		logrus.Warnf("Could not get terminal size %v", err)
-		return nil
-	}
-	return &remotecommand.TerminalSize{
-		Width:  winsize.Width,
-		Height: winsize.Height,
-	}
-}
-
-// Helper for prepareAttach - set up a goroutine to generate terminal resize events
-func resizeTty(ctx context.Context, resize chan remotecommand.TerminalSize) {
-	sigchan := make(chan os.Signal, 1)
-	gosignal.Notify(sigchan, signal.SIGWINCH)
-	go func() {
-		defer close(resize)
-		// Update the terminal size immediately without waiting
-		// for a SIGWINCH to get the correct initial size.
-		resizeEvent := getResize()
-		for {
-			if resizeEvent == nil {
-				select {
-				case <-ctx.Done():
-					return
-				case <-sigchan:
-					resizeEvent = getResize()
-				}
-			} else {
-				select {
-				case <-ctx.Done():
-					return
-				case <-sigchan:
-					resizeEvent = getResize()
-				case resize <- *resizeEvent:
-					resizeEvent = nil
-				}
-			}
-		}
-	}()
-}
-
-func restoreTerminal(state *term.State) error {
-	logrus.SetFormatter(&logrus.TextFormatter{})
-	return term.RestoreTerminal(os.Stdin.Fd(), state)
-}
-
-func (f *RawTtyFormatter) Format(entry *logrus.Entry) ([]byte, error) {
-	textFormatter := logrus.TextFormatter{}
-	bytes, err := textFormatter.Format(entry)
-
-	if err == nil {
-		bytes = append(bytes, '\r')
-	}
-
-	return bytes, err
-}
-
-// For pod commands that have a latest and all flag, getPodsFromContext gets
-// pods the user specifies. If there's an error before getting pods, the pods slice
-// will be empty and error will be not nil. If an error occured after, the pod slice
-// will hold all of the successful pods, and error will hold the last error.
-// The remaining errors will be logged. On success, pods will hold all pods and
-// error will be nil.
-func getPodsFromContext(c *cliconfig.PodmanCommand, r *libpod.Runtime) ([]*libpod.Pod, error) {
-	args := c.InputArgs
-	var pods []*libpod.Pod
-	var lastError error
-	var err error
-
-	if c.Bool("all") {
-		pods, err = r.GetAllPods()
-		if err != nil {
-			return nil, errors.Wrapf(err, "unable to get running pods")
-		}
-	}
-
-	if c.Bool("latest") {
-		pod, err := r.GetLatestPod()
-		if err != nil {
-			return nil, errors.Wrapf(err, "unable to get latest pod")
-		}
-		pods = append(pods, pod)
-	}
-
-	for _, i := range args {
-		pod, err := r.LookupPod(i)
-		if err != nil {
-			if lastError != nil {
-				logrus.Errorf("%q", lastError)
-			}
-			lastError = errors.Wrapf(err, "unable to find pod %s", i)
-			continue
-		}
-		pods = append(pods, pod)
-	}
-	return pods, lastError
-}
-
 //printParallelOutput takes the map of parallel worker results and outputs them
 // to stdout
 func printParallelOutput(m map[string]error, errCount int) error {