Vendor in containers/common v0.12.0

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

vendor/github.com/containers/common/pkg/config/config_local.go

@@ -0,0 +1,81 @@
+// +build !remote
+
+package config
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"syscall"
+
+	units "github.com/docker/go-units"
+)
+
+// 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 fmt.Errorf("static directory must be an absolute path - instead got %q", c.StaticDir)
+	}
+	if c.TmpDir != "" && !filepath.IsAbs(c.TmpDir) {
+		return fmt.Errorf("temporary directory must be an absolute path - instead got %q", c.TmpDir)
+	}
+	if c.VolumePath != "" && !filepath.IsAbs(c.VolumePath) {
+		return fmt.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 fmt.Errorf("unrecognized ulimit %s: %v", u, err)
+		}
+		_, err = ul.GetRlimit()
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func isRemote() bool {
+	return false
+}