diff options
| -rw-r--r-- | ChangeLog | 1 | ||||
| -rw-r--r-- | cloudinit/CloudConfig/cc_resizefs.py | 54 | ||||
| -rw-r--r-- | config/cloud.cfg | 1 | ||||
| -rw-r--r-- | doc/examples/cloud-config.txt | 6 |
4 files changed, 62 insertions, 0 deletions
@@ -3,3 +3,4 @@ syslog writing to it (LP: #704509) - rework of /var/lib/cloud layout - remove updates-check (LP: #653220) + - support resizing / on first boot (enabled by default) diff --git a/cloudinit/CloudConfig/cc_resizefs.py b/cloudinit/CloudConfig/cc_resizefs.py new file mode 100644 index 00000000..11a10005 --- /dev/null +++ b/cloudinit/CloudConfig/cc_resizefs.py @@ -0,0 +1,54 @@ +# vi: ts=4 expandtab +# +# Copyright (C) 2011 Canonical Ltd. +# +# Author: Scott Moser <scott.moser@canonical.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 traceback + +def handle(name,cfg,cloud,log,args): + if len(args) != 0: + resize_root = False + if str(value).lower() in [ 'true', '1', 'on', 'yes']: + resize_root = True + else: + resize_root = util.get_cfg_option_bool(cfg,"resize_rootfs",False) + + if not resize_root: return + + log.debug("resizing root filesystem on first boot") + + cmd = ['blkid', '-sTYPE', '-ovalue', '/dev/root'] + try: + (fstype,err) = util.subp(cmd) + except Exception, e: + log.warn("Failed to get filesystem type via %s" % cmd) + raise + + if fstype.startswith("ext"): + resize_cmd = [ 'resize2fs', '/dev/root' ] + elif fstype == "xfs": + resize_cmd = [ 'xfs_growfs', '/dev/root' ] + else: + log.debug("not resizing unknown filesystem %s" % fstype) + return + + try: + (out,err) = util.subp(resize_cmd) + except Exception, e: + log.warn("Failed to resize filesystem (%s,%s)" % cmd) + raise + diff --git a/config/cloud.cfg b/config/cloud.cfg index 63a67e78..da8c70a6 100644 --- a/config/cloud.cfg +++ b/config/cloud.cfg @@ -4,6 +4,7 @@ disable_root: 1 preserve_hostname: False cloud_config_modules: + - resizefs - mounts - rsyslog - ssh-import-id diff --git a/doc/examples/cloud-config.txt b/doc/examples/cloud-config.txt index a32fd038..0737aea7 100644 --- a/doc/examples/cloud-config.txt +++ b/doc/examples/cloud-config.txt @@ -275,3 +275,9 @@ rsyslog: - filename: 01-examplecom.conf content: | *.* @@syslogd.example.com + +# resize_rootfs should the / filesytem be resized on first boot +# this allows you to launch an instance with a larger disk / partition +# and have the instance automatically grow / to accomoddate it +# set to 'False' to disable +resize_rootfs: True |