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87 lines
2.1 KiB
Go
87 lines
2.1 KiB
Go
// Copyright 2019 Yunion
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package procutils
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import (
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"os"
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"runtime"
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"strings"
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"time"
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"yunion.io/x/jsonutils"
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"yunion.io/x/pkg/errors"
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)
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type sFileStat struct {
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FileSize int64 `json:"file_size"`
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FileType string `json:"file_type"`
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FileName string `json:"file_name"`
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LastModAt time.Time `json:"last_mod_at"`
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}
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func (s *sFileStat) Name() string {
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return s.FileName
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}
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func (s *sFileStat) Size() int64 {
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return s.FileSize
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}
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func (s *sFileStat) Mode() os.FileMode {
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if s.IsDir() {
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return os.ModeDir
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}
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return os.FileMode(0)
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}
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func (s *sFileStat) ModTime() time.Time {
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return s.LastModAt
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}
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func (s *sFileStat) IsDir() bool {
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return s.FileType == "directory"
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}
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func (s *sFileStat) Sys() interface{} {
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return nil
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}
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func RemoteStat(filename string) (os.FileInfo, error) {
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args := []string{}
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switch runtime.GOOS {
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case "darwin":
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args = []string{"-f", `{"file_size":%z,"file_name":"%N","file_type":"%T"}`, filename}
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default:
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args = []string{"-c", `{"file_size":%s,"file_name":"%n","file_type":"%F"}`, filename}
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}
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output, err := NewRemoteCommandAsFarAsPossible("stat", args...).Output()
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if err != nil {
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if strings.Contains(strings.ToLower(string(output)), "no such file or directory") {
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return nil, os.ErrNotExist
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}
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return nil, errors.Wrap(err, "NewRemoteCommandAsFarAsPossible")
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}
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json, err := jsonutils.Parse(output)
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if err != nil {
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return nil, errors.Error(output)
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}
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fs := &sFileStat{}
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err = json.Unmarshal(fs)
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if err != nil {
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return nil, errors.Wrap(err, "json.Unmarshal")
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}
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return fs, nil
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}
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