enable podman-remote on windows

build a podman-remote binary for windows that allows users to use the
remote client on windows and interact with podman on linux system.

Signed-off-by: baude <bbaude@redhat.com>

9 files changed, 170 insertions, 160 deletions

diff --git a/pkg/adapter/runtime_remote_supported.go b/pkg/adapter/runtime_remote_supported.go
new file mode 100644
index 000000000..b8e8da308
--- /dev/null
+++ b/pkg/adapter/runtime_remote_supported.go
@@ -0,0 +1 @@
+package adapter
diff --git a/pkg/adapter/sigproxy.go b/pkg/adapter/sigproxy_linux.go
index af968cb89..af968cb89 100644
--- a/pkg/adapter/sigproxy.go
+++ b/pkg/adapter/sigproxy_linux.go
diff --git a/pkg/adapter/terminal.go b/pkg/adapter/terminal.go
index 0b608decf..373c78322 100644
--- a/pkg/adapter/terminal.go
+++ b/pkg/adapter/terminal.go
@@ -2,16 +2,12 @@ package adapter
 
 import (
 	"context"
-	"fmt"
 	"os"
 	gosignal "os/signal"
 
-	"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"
 )
 
@@ -19,83 +15,6 @@ import (
 type RawTtyFormatter struct {
 }
 
-// StartAttachCtr starts and (if required) attaches to a container
-func StartAttachCtr(ctx context.Context, ctr *libpod.Container, stdout, stderr, stdin *os.File, detachKeys string, sigProxy bool, startContainer bool, recursive bool) error {
-	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(ctx, 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 {
diff --git a/pkg/adapter/terminal_linux.go b/pkg/adapter/terminal_linux.go
new file mode 100644
index 000000000..3c4c3bd38
--- /dev/null
+++ b/pkg/adapter/terminal_linux.go
@@ -0,0 +1,91 @@
+package adapter
+
+import (
+	"context"
+	"fmt"
+	"os"
+
+	"github.com/containers/libpod/libpod"
+	"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"
+)
+
+// StartAttachCtr starts and (if required) attaches to a container
+func StartAttachCtr(ctx context.Context, ctr *libpod.Container, stdout, stderr, stdin *os.File, detachKeys string, sigProxy bool, startContainer bool, recursive bool) error {
+	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(ctx, 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
+}
diff --git a/pkg/spec/config_linux.go b/pkg/spec/config_linux.go
index a1873086e..eb2acf984 100644
--- a/pkg/spec/config_linux.go
+++ b/pkg/spec/config_linux.go
@@ -244,3 +244,9 @@ func makeThrottleArray(throttleInput []string, rateType int) ([]spec.LinuxThrott
 	}
 	return ltds, nil
 }
+
+func getStatFromPath(path string) (unix.Stat_t, error) {
+	s := unix.Stat_t{}
+	err := unix.Stat(path, &s)
+	return s, err
+}
diff --git a/pkg/spec/createconfig.go b/pkg/spec/createconfig.go
index 064dedd45..d1b722807 100644
--- a/pkg/spec/createconfig.go
+++ b/pkg/spec/createconfig.go
@@ -19,7 +19,6 @@ import (
 	"github.com/opencontainers/runtime-tools/generate"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
-	"golang.org/x/sys/unix"
 )
 
 // Type constants
@@ -642,9 +641,3 @@ func NatToOCIPortBindings(ports nat.PortMap) ([]ocicni.PortMapping, error) {
 func (c *CreateConfig) AddPrivilegedDevices(g *generate.Generator) error {
 	return c.addPrivilegedDevices(g)
 }
-
-func getStatFromPath(path string) (unix.Stat_t, error) {
-	s := unix.Stat_t{}
-	err := unix.Stat(path, &s)
-	return s, err
-}
diff --git a/pkg/util/utils.go b/pkg/util/utils.go
index 136f8fadd..14b0c2b55 100644
--- a/pkg/util/utils.go
+++ b/pkg/util/utils.go
@@ -6,12 +6,10 @@ import (
 	"path/filepath"
 	"strings"
 	"sync"
-	"syscall"
 	"time"
 
 	"github.com/BurntSushi/toml"
 	"github.com/containers/image/types"
-	"github.com/containers/libpod/pkg/rootless"
 	"github.com/containers/storage"
 	"github.com/containers/storage/pkg/idtools"
 	"github.com/opencontainers/image-spec/specs-go/v1"
@@ -187,76 +185,6 @@ var (
 	rootlessRuntimeDir     string
 )
 
-// GetRootlessRuntimeDir returns the runtime directory when running as non root
-func GetRootlessRuntimeDir() (string, error) {
-	var rootlessRuntimeDirError error
-
-	rootlessRuntimeDirOnce.Do(func() {
-		runtimeDir := os.Getenv("XDG_RUNTIME_DIR")
-		uid := fmt.Sprintf("%d", rootless.GetRootlessUID())
-		if runtimeDir == "" {
-			tmpDir := filepath.Join("/run", "user", uid)
-			os.MkdirAll(tmpDir, 0700)
-			st, err := os.Stat(tmpDir)
-			if err == nil && int(st.Sys().(*syscall.Stat_t).Uid) == os.Geteuid() && st.Mode().Perm() == 0700 {
-				runtimeDir = tmpDir
-			}
-		}
-		if runtimeDir == "" {
-			tmpDir := filepath.Join(os.TempDir(), fmt.Sprintf("run-%s", uid))
-			os.MkdirAll(tmpDir, 0700)
-			st, err := os.Stat(tmpDir)
-			if err == nil && int(st.Sys().(*syscall.Stat_t).Uid) == os.Geteuid() && st.Mode().Perm() == 0700 {
-				runtimeDir = tmpDir
-			}
-		}
-		if runtimeDir == "" {
-			home := os.Getenv("HOME")
-			if home == "" {
-				rootlessRuntimeDirError = fmt.Errorf("neither XDG_RUNTIME_DIR nor HOME was set non-empty")
-				return
-			}
-			resolvedHome, err := filepath.EvalSymlinks(home)
-			if err != nil {
-				rootlessRuntimeDirError = errors.Wrapf(err, "cannot resolve %s", home)
-				return
-			}
-			runtimeDir = filepath.Join(resolvedHome, "rundir")
-		}
-		rootlessRuntimeDir = runtimeDir
-	})
-
-	if rootlessRuntimeDirError != nil {
-		return "", rootlessRuntimeDirError
-	}
-	return rootlessRuntimeDir, nil
-}
-
-// GetRootlessDirInfo returns the parent path of where the storage for containers and
-// volumes will be in rootless mode
-func GetRootlessDirInfo() (string, string, error) {
-	rootlessRuntime, err := GetRootlessRuntimeDir()
-	if err != nil {
-		return "", "", err
-	}
-
-	dataDir := os.Getenv("XDG_DATA_HOME")
-	if dataDir == "" {
-		home := os.Getenv("HOME")
-		if home == "" {
-			return "", "", fmt.Errorf("neither XDG_DATA_HOME nor HOME was set non-empty")
-		}
-		// runc doesn't like symlinks in the rootfs path, and at least
-		// on CoreOS /home is a symlink to /var/home, so resolve any symlink.
-		resolvedHome, err := filepath.EvalSymlinks(home)
-		if err != nil {
-			return "", "", errors.Wrapf(err, "cannot resolve %s", home)
-		}
-		dataDir = filepath.Join(resolvedHome, ".local", "share")
-	}
-	return dataDir, rootlessRuntime, nil
-}
-
 type tomlOptionsConfig struct {
 	MountProgram string `toml:"mount_program"`
 }
diff --git a/pkg/util/utils_supported.go b/pkg/util/utils_supported.go
new file mode 100644
index 000000000..af5e67fc1
--- /dev/null
+++ b/pkg/util/utils_supported.go
@@ -0,0 +1,60 @@
+// +build linux darwin
+
+package util
+
+// TODO once rootless function is consolidated under libpod, we
+//  should work to take darwin from this
+
+import (
+	"fmt"
+	"github.com/containers/libpod/pkg/rootless"
+	"github.com/pkg/errors"
+	"os"
+	"path/filepath"
+	"syscall"
+)
+
+// GetRootlessRuntimeDir returns the runtime directory when running as non root
+func GetRootlessRuntimeDir() (string, error) {
+	var rootlessRuntimeDirError error
+
+	rootlessRuntimeDirOnce.Do(func() {
+		runtimeDir := os.Getenv("XDG_RUNTIME_DIR")
+		uid := fmt.Sprintf("%d", rootless.GetRootlessUID())
+		if runtimeDir == "" {
+			tmpDir := filepath.Join("/run", "user", uid)
+			os.MkdirAll(tmpDir, 0700)
+			st, err := os.Stat(tmpDir)
+			if err == nil && int(st.Sys().(*syscall.Stat_t).Uid) == os.Geteuid() && st.Mode().Perm() == 0700 {
+				runtimeDir = tmpDir
+			}
+		}
+		if runtimeDir == "" {
+			tmpDir := filepath.Join(os.TempDir(), fmt.Sprintf("run-%s", uid))
+			os.MkdirAll(tmpDir, 0700)
+			st, err := os.Stat(tmpDir)
+			if err == nil && int(st.Sys().(*syscall.Stat_t).Uid) == os.Geteuid() && st.Mode().Perm() == 0700 {
+				runtimeDir = tmpDir
+			}
+		}
+		if runtimeDir == "" {
+			home := os.Getenv("HOME")
+			if home == "" {
+				rootlessRuntimeDirError = fmt.Errorf("neither XDG_RUNTIME_DIR nor HOME was set non-empty")
+				return
+			}
+			resolvedHome, err := filepath.EvalSymlinks(home)
+			if err != nil {
+				rootlessRuntimeDirError = errors.Wrapf(err, "cannot resolve %s", home)
+				return
+			}
+			runtimeDir = filepath.Join(resolvedHome, "rundir")
+		}
+		rootlessRuntimeDir = runtimeDir
+	})
+
+	if rootlessRuntimeDirError != nil {
+		return "", rootlessRuntimeDirError
+	}
+	return rootlessRuntimeDir, nil
+}
diff --git a/pkg/util/utils_windows.go b/pkg/util/utils_windows.go
new file mode 100644
index 000000000..1e9ccea90
--- /dev/null
+++ b/pkg/util/utils_windows.go
@@ -0,0 +1,12 @@
+// +build windows
+
+package util
+
+import (
+	"github.com/pkg/errors"
+)
+
+// GetRootlessRuntimeDir returns the runtime directory when running as non root
+func GetRootlessRuntimeDir() (string, error) {
+	return "", errors.New("this function is not implemented for windows")
+}