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// +build !remote
package config
import (
"os"
"path/filepath"
"regexp"
"strings"
"syscall"
units "github.com/docker/go-units"
"github.com/pkg/errors"
)
// isDirectory tests whether the given path exists and is a directory. It
// follows symlinks.
func isDirectory(path string) error {
path, err := resolveHomeDir(path)
if err != nil {
return err
}
info, err := os.Stat(path)
if err != nil {
return err
}
if !info.Mode().IsDir() {
// Return a PathError to be consistent with os.Stat().
return &os.PathError{
Op: "stat",
Path: path,
Err: syscall.ENOTDIR,
}
}
return nil
}
func (c *EngineConfig) validatePaths() error {
// Relative paths can cause nasty bugs, because core paths we use could
// shift between runs or even parts of the program. - The OCI runtime
// uses a different working directory than we do, for example.
if c.StaticDir != "" && !filepath.IsAbs(c.StaticDir) {
return errors.Errorf("static directory must be an absolute path - instead got %q", c.StaticDir)
}
if c.TmpDir != "" && !filepath.IsAbs(c.TmpDir) {
return errors.Errorf("temporary directory must be an absolute path - instead got %q", c.TmpDir)
}
if c.VolumePath != "" && !filepath.IsAbs(c.VolumePath) {
return errors.Errorf("volume path must be an absolute path - instead got %q", c.VolumePath)
}
return nil
}
func (c *ContainersConfig) validateDevices() error {
for _, d := range c.Devices {
_, _, _, err := Device(d)
if err != nil {
return err
}
}
return nil
}
func (c *ContainersConfig) validateUlimits() error {
for _, u := range c.DefaultUlimits {
ul, err := units.ParseUlimit(u)
if err != nil {
return errors.Wrapf(err, "unrecognized ulimit %s", u)
}
_, err = ul.GetRlimit()
if err != nil {
return err
}
}
return nil
}
func (c *ContainersConfig) validateTZ() error {
if c.TZ == "local" || c.TZ == "" {
return nil
}
lookupPaths := []string{
"/usr/share/zoneinfo",
"/etc/zoneinfo",
}
for _, paths := range lookupPaths {
zonePath := filepath.Join(paths, c.TZ)
if _, err := os.Stat(zonePath); err == nil {
// found zone information
return nil
}
}
return errors.Errorf(
"find timezone %s in paths: %s",
c.TZ, strings.Join(lookupPaths, ", "),
)
}
func (c *ContainersConfig) validateUmask() error {
validUmask := regexp.MustCompile(`^[0-7]{1,4}$`)
if !validUmask.MatchString(c.Umask) {
return errors.Errorf("not a valid umask %s", c.Umask)
}
return nil
}
func isRemote() bool {
return false
}
|
