k3s/pkg/util/file.go
Manuel Buil 869e030bdd VPN PoC
Signed-off-by: Manuel Buil <mbuil@suse.com>
2023-06-09 12:39:33 +02:00

42 lines
823 B
Go

//go:build !windows
package util
import (
"os"
"strings"
"time"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
func SetFileModeForPath(name string, mode os.FileMode) error {
return os.Chmod(name, mode)
}
func SetFileModeForFile(file *os.File, mode os.FileMode) error {
return file.Chmod(mode)
}
// ReadFile reads from a file
func ReadFile(path string) (string, error) {
if path == "" {
return "", nil
}
for start := time.Now(); time.Since(start) < 4*time.Minute; {
vpnBytes, err := os.ReadFile(path)
if err == nil {
return strings.TrimSpace(string(vpnBytes)), nil
} else if os.IsNotExist(err) {
logrus.Infof("Waiting for %s to be available\n", path)
time.Sleep(2 * time.Second)
} else {
return "", err
}
}
return "", errors.New("Timeout while trying to read the file")
}