1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
package types
import (
"errors"
"os"
"path/filepath"
"strconv"
"strings"
"github.com/containers/storage/pkg/fileutils"
"github.com/containers/storage/pkg/homedir"
"github.com/sirupsen/logrus"
)
func expandEnvPath(path string, rootlessUID int) (string, error) {
var err error
path = strings.ReplaceAll(path, "$UID", strconv.Itoa(rootlessUID))
path = os.ExpandEnv(path)
newpath, err := filepath.EvalSymlinks(path)
if err != nil {
newpath = filepath.Clean(path)
}
return newpath, nil
}
func DefaultConfigFile() (string, error) {
if defaultConfigFileSet {
return defaultConfigFile, nil
}
if path, ok := os.LookupEnv(storageConfEnv); ok {
return path, nil
}
if !usePerUserStorage() {
if err := fileutils.Exists(defaultOverrideConfigFile); err == nil {
return defaultOverrideConfigFile, nil
}
return defaultConfigFile, nil
}
if configHome := os.Getenv("XDG_CONFIG_HOME"); configHome != "" {
return filepath.Join(configHome, "containers/storage.conf"), nil
}
home := homedir.Get()
if home == "" {
return "", errors.New("cannot determine user's homedir")
}
return filepath.Join(home, ".config/containers/storage.conf"), nil
}
func reloadConfigurationFileIfNeeded(configFile string, storeOptions *StoreOptions) {
prevReloadConfig.mutex.Lock()
defer prevReloadConfig.mutex.Unlock()
fi, err := os.Stat(configFile)
if err != nil {
if !os.IsNotExist(err) {
logrus.Warningf("Failed to read %s %v\n", configFile, err.Error())
}
return
}
mtime := fi.ModTime()
if prevReloadConfig.storeOptions != nil && mtime.Equal(prevReloadConfig.mod) && prevReloadConfig.configFile == configFile {
*storeOptions = *prevReloadConfig.storeOptions
return
}
if err := ReloadConfigurationFile(configFile, storeOptions); err != nil {
logrus.Warningf("Failed to reload %q %v\n", configFile, err)
return
}
prevReloadConfig.storeOptions = storeOptions
prevReloadConfig.mod = mtime
prevReloadConfig.configFile = configFile
}
|
