Remove varlink support from Podman

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

1 files changed, 0 insertions, 371 deletions

diff --git a/pkg/spec/config_linux.go b/pkg/spec/config_linux.go
deleted file mode 100644
index 319cce61f..000000000
--- a/pkg/spec/config_linux.go
+++ /dev/null
@@ -1,371 +0,0 @@
-// +build linux
-
-package createconfig
-
-import (
-	"fmt"
-	"io/ioutil"
-	"os"
-	"path/filepath"
-	"strconv"
-	"strings"
-
-	"github.com/containers/podman/v2/pkg/rootless"
-	"github.com/opencontainers/runc/libcontainer/configs"
-	"github.com/opencontainers/runc/libcontainer/devices"
-	spec "github.com/opencontainers/runtime-spec/specs-go"
-	"github.com/opencontainers/runtime-tools/generate"
-	"github.com/pkg/errors"
-	"golang.org/x/sys/unix"
-)
-
-// Device transforms a libcontainer configs.Device to a specs.LinuxDevice object.
-func Device(d *configs.Device) spec.LinuxDevice {
-	return spec.LinuxDevice{
-		Type:     string(d.Type),
-		Path:     d.Path,
-		Major:    d.Major,
-		Minor:    d.Minor,
-		FileMode: fmPtr(int64(d.FileMode)),
-		UID:      u32Ptr(int64(d.Uid)),
-		GID:      u32Ptr(int64(d.Gid)),
-	}
-}
-
-// DevicesFromPath computes a list of devices
-func DevicesFromPath(g *generate.Generator, devicePath string) error {
-	devs := strings.Split(devicePath, ":")
-	resolvedDevicePath := devs[0]
-	// check if it is a symbolic link
-	if src, err := os.Lstat(resolvedDevicePath); err == nil && src.Mode()&os.ModeSymlink == os.ModeSymlink {
-		if linkedPathOnHost, err := filepath.EvalSymlinks(resolvedDevicePath); err == nil {
-			resolvedDevicePath = linkedPathOnHost
-		}
-	}
-	st, err := os.Stat(resolvedDevicePath)
-	if err != nil {
-		return errors.Wrapf(err, "cannot stat %s", devicePath)
-	}
-	if st.IsDir() {
-		found := false
-		src := resolvedDevicePath
-		dest := src
-		var devmode string
-		if len(devs) > 1 {
-			if len(devs[1]) > 0 && devs[1][0] == '/' {
-				dest = devs[1]
-			} else {
-				devmode = devs[1]
-			}
-		}
-		if len(devs) > 2 {
-			if devmode != "" {
-				return errors.Wrapf(unix.EINVAL, "invalid device specification %s", devicePath)
-			}
-			devmode = devs[2]
-		}
-
-		// mount the internal devices recursively
-		if err := filepath.Walk(resolvedDevicePath, func(dpath string, f os.FileInfo, e error) error {
-
-			if f.Mode()&os.ModeDevice == os.ModeDevice {
-				found = true
-				device := fmt.Sprintf("%s:%s", dpath, filepath.Join(dest, strings.TrimPrefix(dpath, src)))
-				if devmode != "" {
-					device = fmt.Sprintf("%s:%s", device, devmode)
-				}
-				if err := addDevice(g, device); err != nil {
-					return errors.Wrapf(err, "failed to add %s device", dpath)
-				}
-			}
-			return nil
-		}); err != nil {
-			return err
-		}
-		if !found {
-			return errors.Wrapf(unix.EINVAL, "no devices found in %s", devicePath)
-		}
-		return nil
-	}
-
-	return addDevice(g, strings.Join(append([]string{resolvedDevicePath}, devs[1:]...), ":"))
-}
-
-func deviceCgroupRules(g *generate.Generator, deviceCgroupRules []string) error {
-	for _, deviceCgroupRule := range deviceCgroupRules {
-		if err := validateDeviceCgroupRule(deviceCgroupRule); err != nil {
-			return err
-		}
-		ss := parseDeviceCgroupRule(deviceCgroupRule)
-		if len(ss[0]) != 5 {
-			return errors.Errorf("invalid device cgroup rule format: '%s'", deviceCgroupRule)
-		}
-		matches := ss[0]
-		var major, minor *int64
-		if matches[2] == "*" {
-			majorDev := int64(-1)
-			major = &majorDev
-		} else {
-			majorDev, err := strconv.ParseInt(matches[2], 10, 64)
-			if err != nil {
-				return errors.Errorf("invalid major value in device cgroup rule format: '%s'", deviceCgroupRule)
-			}
-			major = &majorDev
-		}
-		if matches[3] == "*" {
-			minorDev := int64(-1)
-			minor = &minorDev
-		} else {
-			minorDev, err := strconv.ParseInt(matches[2], 10, 64)
-			if err != nil {
-				return errors.Errorf("invalid major value in device cgroup rule format: '%s'", deviceCgroupRule)
-			}
-			minor = &minorDev
-		}
-		g.AddLinuxResourcesDevice(true, matches[1], major, minor, matches[4])
-	}
-	return nil
-}
-
-func addDevice(g *generate.Generator, device string) error {
-	src, dst, permissions, err := ParseDevice(device)
-	if err != nil {
-		return err
-	}
-	dev, err := devices.DeviceFromPath(src, permissions)
-	if err != nil {
-		return errors.Wrapf(err, "%s is not a valid device", src)
-	}
-	if rootless.IsRootless() {
-		if _, err := os.Stat(src); err != nil {
-			if os.IsNotExist(err) {
-				return errors.Wrapf(err, "the specified device %s doesn't exist", src)
-			}
-			return errors.Wrapf(err, "stat device %s exist", src)
-		}
-		perm := "ro"
-		if strings.Contains(permissions, "w") {
-			perm = "rw"
-		}
-		devMnt := spec.Mount{
-			Destination: dst,
-			Type:        TypeBind,
-			Source:      src,
-			Options:     []string{"slave", "nosuid", "noexec", perm, "rbind"},
-		}
-		g.Config.Mounts = append(g.Config.Mounts, devMnt)
-		return nil
-	}
-	dev.Path = dst
-	linuxdev := spec.LinuxDevice{
-		Path:     dev.Path,
-		Type:     string(dev.Type),
-		Major:    dev.Major,
-		Minor:    dev.Minor,
-		FileMode: &dev.FileMode,
-		UID:      &dev.Uid,
-		GID:      &dev.Gid,
-	}
-	g.AddDevice(linuxdev)
-	g.AddLinuxResourcesDevice(true, string(dev.Type), &dev.Major, &dev.Minor, string(dev.Permissions))
-	return nil
-}
-
-// based on getDevices from runc (libcontainer/devices/devices.go)
-func getDevices(path string) ([]*configs.Device, error) {
-	files, err := ioutil.ReadDir(path)
-	if err != nil {
-		if rootless.IsRootless() && os.IsPermission(err) {
-			return nil, nil
-		}
-		return nil, err
-	}
-	out := []*configs.Device{}
-	for _, f := range files {
-		switch {
-		case f.IsDir():
-			switch f.Name() {
-			// ".lxc" & ".lxd-mounts" added to address https://github.com/lxc/lxd/issues/2825
-			case "pts", "shm", "fd", "mqueue", ".lxc", ".lxd-mounts":
-				continue
-			default:
-				sub, err := getDevices(filepath.Join(path, f.Name()))
-				if err != nil {
-					return nil, err
-				}
-				if sub != nil {
-					out = append(out, sub...)
-				}
-				continue
-			}
-		case f.Name() == "console":
-			continue
-		case f.Mode()&os.ModeSymlink != 0:
-			// do not add symlink'd devices to privileged devices
-			continue
-		}
-		device, err := devices.DeviceFromPath(filepath.Join(path, f.Name()), "rwm")
-		if err != nil {
-			if err == devices.ErrNotADevice {
-				continue
-			}
-			if os.IsNotExist(err) {
-				continue
-			}
-			return nil, err
-		}
-		out = append(out, device)
-	}
-	return out, nil
-}
-
-func addPrivilegedDevices(g *generate.Generator) error {
-	hostDevices, err := getDevices("/dev")
-	if err != nil {
-		return err
-	}
-	g.ClearLinuxDevices()
-
-	if rootless.IsRootless() {
-		mounts := make(map[string]interface{})
-		for _, m := range g.Mounts() {
-			mounts[m.Destination] = true
-		}
-		newMounts := []spec.Mount{}
-		for _, d := range hostDevices {
-			devMnt := spec.Mount{
-				Destination: d.Path,
-				Type:        TypeBind,
-				Source:      d.Path,
-				Options:     []string{"slave", "nosuid", "noexec", "rw", "rbind"},
-			}
-			if d.Path == "/dev/ptmx" || strings.HasPrefix(d.Path, "/dev/tty") {
-				continue
-			}
-			if _, found := mounts[d.Path]; found {
-				continue
-			}
-			st, err := os.Stat(d.Path)
-			if err != nil {
-				if err == unix.EPERM {
-					continue
-				}
-				return errors.Wrapf(err, "stat %s", d.Path)
-			}
-			// Skip devices that the user has not access to.
-			if st.Mode()&0007 == 0 {
-				continue
-			}
-			newMounts = append(newMounts, devMnt)
-		}
-		g.Config.Mounts = append(newMounts, g.Config.Mounts...)
-		g.Config.Linux.Resources.Devices = nil
-	} else {
-		for _, d := range hostDevices {
-			g.AddDevice(Device(d))
-		}
-		// Add resources device - need to clear the existing one first.
-		g.Config.Linux.Resources.Devices = nil
-		g.AddLinuxResourcesDevice(true, "", nil, nil, "rwm")
-	}
-
-	return nil
-}
-
-func (c *CreateConfig) createBlockIO() (*spec.LinuxBlockIO, error) {
-	var ret *spec.LinuxBlockIO
-	bio := &spec.LinuxBlockIO{}
-	if c.Resources.BlkioWeight > 0 {
-		ret = bio
-		bio.Weight = &c.Resources.BlkioWeight
-	}
-	if len(c.Resources.BlkioWeightDevice) > 0 {
-		var lwds []spec.LinuxWeightDevice
-		ret = bio
-		for _, i := range c.Resources.BlkioWeightDevice {
-			wd, err := ValidateweightDevice(i)
-			if err != nil {
-				return ret, errors.Wrapf(err, "invalid values for blkio-weight-device")
-			}
-			wdStat, err := GetStatFromPath(wd.Path)
-			if err != nil {
-				return ret, errors.Wrapf(err, "error getting stat from path %q", wd.Path)
-			}
-			lwd := spec.LinuxWeightDevice{
-				Weight: &wd.Weight,
-			}
-			lwd.Major = int64(unix.Major(wdStat.Rdev))
-			lwd.Minor = int64(unix.Minor(wdStat.Rdev))
-			lwds = append(lwds, lwd)
-		}
-		bio.WeightDevice = lwds
-	}
-	if len(c.Resources.DeviceReadBps) > 0 {
-		ret = bio
-		readBps, err := makeThrottleArray(c.Resources.DeviceReadBps, bps)
-		if err != nil {
-			return ret, err
-		}
-		bio.ThrottleReadBpsDevice = readBps
-	}
-	if len(c.Resources.DeviceWriteBps) > 0 {
-		ret = bio
-		writeBpds, err := makeThrottleArray(c.Resources.DeviceWriteBps, bps)
-		if err != nil {
-			return ret, err
-		}
-		bio.ThrottleWriteBpsDevice = writeBpds
-	}
-	if len(c.Resources.DeviceReadIOps) > 0 {
-		ret = bio
-		readIOps, err := makeThrottleArray(c.Resources.DeviceReadIOps, iops)
-		if err != nil {
-			return ret, err
-		}
-		bio.ThrottleReadIOPSDevice = readIOps
-	}
-	if len(c.Resources.DeviceWriteIOps) > 0 {
-		ret = bio
-		writeIOps, err := makeThrottleArray(c.Resources.DeviceWriteIOps, iops)
-		if err != nil {
-			return ret, err
-		}
-		bio.ThrottleWriteIOPSDevice = writeIOps
-	}
-	return ret, nil
-}
-
-func makeThrottleArray(throttleInput []string, rateType int) ([]spec.LinuxThrottleDevice, error) {
-	var (
-		ltds []spec.LinuxThrottleDevice
-		t    *throttleDevice
-		err  error
-	)
-	for _, i := range throttleInput {
-		if rateType == bps {
-			t, err = validateBpsDevice(i)
-		} else {
-			t, err = validateIOpsDevice(i)
-		}
-		if err != nil {
-			return []spec.LinuxThrottleDevice{}, err
-		}
-		ltdStat, err := GetStatFromPath(t.path)
-		if err != nil {
-			return ltds, errors.Wrapf(err, "error getting stat from path %q", t.path)
-		}
-		ltd := spec.LinuxThrottleDevice{
-			Rate: t.rate,
-		}
-		ltd.Major = int64(unix.Major(ltdStat.Rdev))
-		ltd.Minor = int64(unix.Minor(ltdStat.Rdev))
-		ltds = append(ltds, ltd)
-	}
-	return ltds, nil
-}
-
-func GetStatFromPath(path string) (unix.Stat_t, error) {
-	s := unix.Stat_t{}
-	err := unix.Stat(path, &s)
-	return s, err
-}