github.com/containerd/nerdctl@v1.7.7/pkg/mountutil/mountutil_freebsd.go (about)

     1  /*
     2     Copyright The containerd Authors.
     3  
     4     Licensed under the Apache License, Version 2.0 (the "License");
     5     you may not use this file except in compliance with the License.
     6     You may obtain a copy of the License at
     7  
     8         http://www.apache.org/licenses/LICENSE-2.0
     9  
    10     Unless required by applicable law or agreed to in writing, software
    11     distributed under the License is distributed on an "AS IS" BASIS,
    12     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13     See the License for the specific language governing permissions and
    14     limitations under the License.
    15  */
    16  
    17  package mountutil
    18  
    19  import (
    20  	"fmt"
    21  	"strings"
    22  
    23  	"github.com/containerd/containerd/oci"
    24  	"github.com/containerd/errdefs"
    25  	"github.com/containerd/log"
    26  	"github.com/containerd/nerdctl/pkg/mountutil/volumestore"
    27  )
    28  
    29  const (
    30  	DefaultMountType = "nullfs"
    31  
    32  	// FreeBSD doesn't support bind mounts.
    33  	DefaultPropagationMode = ""
    34  )
    35  
    36  func UnprivilegedMountFlags(path string) ([]string, error) {
    37  	m := []string{}
    38  	return m, nil
    39  }
    40  
    41  // parseVolumeOptions parses specified optsRaw with using information of
    42  // the volume type and the src directory when necessary.
    43  func parseVolumeOptions(vType, src, optsRaw string) ([]string, []oci.SpecOpts, error) {
    44  	var writeModeRawOpts []string
    45  	for _, opt := range strings.Split(optsRaw, ",") {
    46  		switch opt {
    47  		case "rw":
    48  			writeModeRawOpts = append(writeModeRawOpts, opt)
    49  		case "ro":
    50  			writeModeRawOpts = append(writeModeRawOpts, opt)
    51  		case "":
    52  			// NOP
    53  		default:
    54  			log.L.Warnf("unsupported volume option %q", opt)
    55  		}
    56  	}
    57  	var opts []string
    58  	if len(writeModeRawOpts) > 1 {
    59  		return nil, nil, fmt.Errorf("duplicated read/write volume option: %+v", writeModeRawOpts)
    60  	} else if len(writeModeRawOpts) > 0 && writeModeRawOpts[0] == "ro" {
    61  		opts = append(opts, "ro")
    62  	} // No need to return option when "rw"
    63  	return opts, nil, nil
    64  }
    65  
    66  func ProcessFlagTmpfs(s string) (*Processed, error) {
    67  	return nil, errdefs.ErrNotImplemented
    68  }
    69  
    70  func ProcessFlagMount(s string, volStore volumestore.VolumeStore) (*Processed, error) {
    71  	return nil, errdefs.ErrNotImplemented
    72  }