diff options
| -rw-r--r-- | cloudinit/util.py | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/cloudinit/util.py b/cloudinit/util.py index 9e6e0a73..a8ddb390 100644 --- a/cloudinit/util.py +++ b/cloudinit/util.py @@ -1737,6 +1737,15 @@ def parse_mount_info(path, mountinfo_lines, log=LOG): return None +def parse_mtab(path): + """On older kernels there's no /proc/$$/mountinfo, so use mtab.""" + for line in load_file("/etc/mtab").splitlines(): + devpth, mount_point, fs_type = line.split()[:3] + if mount_point == path: + return devpth, fs_type, mount_point + return None + + def get_mount_info(path, log=LOG): # Use /proc/$$/mountinfo to find the device where path is mounted. # This is done because with a btrfs filesystem using os.stat(path) @@ -1767,8 +1776,11 @@ def get_mount_info(path, log=LOG): # So use /proc/$$/mountinfo to find the device underlying the # input path. mountinfo_path = '/proc/%s/mountinfo' % os.getpid() - lines = load_file(mountinfo_path).splitlines() - return parse_mount_info(path, lines, log) + if os.path.exists(mountinfo_path): + lines = load_file(mountinfo_path).splitlines() + return parse_mount_info(path, lines, log) + else: + return parse_mtab(path) def which(program): |