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Diffstat (limited to 'cloudinit/CloudConfig/cc_resizefs.py')
-rw-r--r-- | cloudinit/CloudConfig/cc_resizefs.py | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/cloudinit/CloudConfig/cc_resizefs.py b/cloudinit/CloudConfig/cc_resizefs.py deleted file mode 100644 index 2dc66def..00000000 --- a/cloudinit/CloudConfig/cc_resizefs.py +++ /dev/null @@ -1,108 +0,0 @@ -# vi: ts=4 expandtab -# -# Copyright (C) 2011 Canonical Ltd. -# Copyright (C) 2012 Hewlett-Packard Development Company, L.P. -# -# Author: Scott Moser <scott.moser@canonical.com> -# Author: Juerg Haefliger <juerg.haefliger@hp.com> -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License version 3, as -# published by the Free Software Foundation. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. - -import cloudinit.util as util -import subprocess -import os -import stat -import sys -import time -import tempfile -from cloudinit.CloudConfig import per_always - -frequency = per_always - - -def handle(_name, cfg, _cloud, log, args): - if len(args) != 0: - resize_root = False - if str(args[0]).lower() in ['true', '1', 'on', 'yes']: - resize_root = True - else: - resize_root = util.get_cfg_option_str(cfg, "resize_rootfs", True) - - if str(resize_root).lower() in ['false', '0']: - return - - # we use mktemp rather than mkstemp because early in boot nothing - # else should be able to race us for this, and we need to mknod. - devpth = tempfile.mktemp(prefix="cloudinit.resizefs.", dir="/run") - - try: - st_dev = os.stat("/").st_dev - dev = os.makedev(os.major(st_dev), os.minor(st_dev)) - os.mknod(devpth, 0400 | stat.S_IFBLK, dev) - except: - if util.is_container(): - log.debug("inside container, ignoring mknod failure in resizefs") - return - log.warn("Failed to make device node to resize /") - raise - - cmd = ['blkid', '-c', '/dev/null', '-sTYPE', '-ovalue', devpth] - try: - (fstype, _err) = util.subp(cmd) - except subprocess.CalledProcessError as e: - log.warn("Failed to get filesystem type of maj=%s, min=%s via: %s" % - (os.major(st_dev), os.minor(st_dev), cmd)) - log.warn("output=%s\nerror=%s\n", e.output[0], e.output[1]) - os.unlink(devpth) - raise - - if str(fstype).startswith("ext"): - resize_cmd = ['resize2fs', devpth] - elif fstype == "xfs": - resize_cmd = ['xfs_growfs', devpth] - else: - os.unlink(devpth) - log.debug("not resizing unknown filesystem %s" % fstype) - return - - if resize_root == "noblock": - fid = os.fork() - if fid == 0: - try: - do_resize(resize_cmd, devpth, log) - os._exit(0) # pylint: disable=W0212 - except Exception as exc: - sys.stderr.write("Failed: %s" % exc) - os._exit(1) # pylint: disable=W0212 - else: - do_resize(resize_cmd, devpth, log) - - log.debug("resizing root filesystem (type=%s, maj=%i, min=%i, val=%s)" % - (str(fstype).rstrip("\n"), os.major(st_dev), os.minor(st_dev), - resize_root)) - - return - - -def do_resize(resize_cmd, devpth, log): - try: - start = time.time() - util.subp(resize_cmd) - except subprocess.CalledProcessError as e: - log.warn("Failed to resize filesystem (%s)" % resize_cmd) - log.warn("output=%s\nerror=%s\n", e.output[0], e.output[1]) - os.unlink(devpth) - raise - - os.unlink(devpth) - log.debug("resize took %s seconds" % (time.time() - start)) |