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Message #19226
[Bug 1725067] Re: cloud-init resizefs fails when booting with root=PARTUUID=
This bug was fixed in the package cloud-init -
17.1-27-geb292c18-0ubuntu1~16.04.1
---------------
cloud-init (17.1-27-geb292c18-0ubuntu1~16.04.1) xenial-proposed; urgency=medium
* New upstream snapshot.
- EC2: Limit network config to fallback nic, fix local-ipv4 only
instances. (LP: #1728152)
- Gentoo: Use "rc-service" rather than "service". [Carlos Konstanski]
cloud-init (17.1-25-g17a15f9e-0ubuntu1~16.04.1) xenial-proposed;
urgency=medium
* New upstream snapshot.
- resizefs: Fix regression when system booted with root=PARTUUID=
(LP: #1725067)
- tools: make yum package installation more reliable
- citest: fix remaining warnings raised by integration tests.
- citest: show the class actual class name in results.
- ntp: fix config module schema to allow empty ntp config
(LP: #1724951)
- tools: disable fastestmirror if using proxy [Joshua Powers]
cloud-init (17.1-18-gd4f70470-0ubuntu1~16.04.2) xenial-proposed;
urgency=medium
* cherry-pick 41152f1: schema: Log debug instead of warning when
jsonschema is absent (LP: #1724354)
cloud-init (17.1-18-gd4f70470-0ubuntu1~16.04.1) xenial-proposed;
urgency=medium
* drop the following cherry picks, now incorporated in snapshot.
+ debian/patches/cpick-a2f8ce9c-Do-not-provide-systemd-fsck-drop...
* debian/copyright: dep5 updates, reorganize, add Apache 2.0 license.
(LP: #1718681)
* debian/control: drop dependency on python3-prettytable
* debian/rules: install rsyslog file with 0644 mode instead of 0755.
* debian/rules, debian/apport-launcher.py: add an apport hook. (LP: #1607345)
* New upstream snapshot. (LP: #1721847)
- simpletable: Fix get_string method to return table-formatted string
- net: Handle bridge stp values of 0 and convert to boolean type
[Chad Smith]
- tools: Give specific --abbrev=8 to "git describe"
- network: bridge_stp value not always correct [Ryan Harper]
- tests: re-enable tox with nocloud-kvm support [Joshua Powers]
- systemd: remove limit on tasks created by cloud-init-final.service.
[Robert Schweikert]
- suse: Support addition of zypper repos via cloud-config.
[Robert Schweikert]
- tests: Combine integration configs and testcases [Joshua Powers]
- Azure, CloudStack: Support reading dhcp options from systemd-networkd.
[Dimitri John Ledkov]
- packages/debian/copyright: remove mention of boto and MIT license
- systemd: only mention Before=apt-daily.service on debian based distros.
[Robert Schweikert]
- Add missing simpletable and simpletable tests for failed merge
[Chad Smith]
- Remove prettytable dependency, introduce simpletable [Andrew Jorgensen]
- debian/copyright: dep5 updates, reorganize, add Apache 2.0 license.
[Joshua Powers]
- tests: remove dependency on shlex [Joshua Powers]
- AltCloud: Trust PATH for udevadm and modprobe.
- DataSourceOVF: use util.find_devs_with(TYPE=iso9660)
[Ryan Harper]
- tests: remove a temp file used in bootcmd tests.
- release 17.1
- doc: document GCE datasource. [Arnd Hannemann]
- suse: updates to templates to support openSUSE and SLES.
[Robert Schweikert]
- suse: Copy sysvinit files from redhat with slight changes.
[Robert Schweikert]
- docs: fix sphinx module schema documentation [Chad Smith]
- tests: Add cloudinit package to all test targets [Chad Smith]
- Makefile: No longer look for yaml files in obsolete ./bin/.
- tests: fix ds-identify unit tests to set EC2_STRICT_ID_DEFAULT.
- ec2: Fix maybe_perform_dhcp_discovery to use /var/tmp as a tmpdir
[Chad Smith]
- Azure: wait longer for SSH pub keys to arrive.
[Paul Meyer]
- GCE: Fix usage of user-data.
- cmdline: add collect-logs subcommand. [Chad Smith]
- CloudStack: consider dhclient lease files named with a hyphen.
- resizefs: Drop check for read-only device file, do not warn on
overlayroot. [Chad Smith]
- tests: Enable the NoCloud KVM platform [Joshua Powers]
- resizefs: pass mount point to xfs_growfs [Dusty Mabe]
- vmware: Enable nics before sending the SUCCESS event. [Sankar Tanguturi]
- cloud-config modules: honor distros definitions in each module
[Chad Smith]
- chef: Add option to pin chef omnibus install version
[Ethan Apodaca]
- tests: execute: support command as string [Joshua Powers]
- schema and docs: Add jsonschema to resizefs and bootcmd modules
[Chad Smith]
- tools: Add xkvm script, wrapper around qemu-system [Joshua Powers]
- vmware customization: return network config format
[Sankar Tanguturi]
- Ec2: only attempt to operate at local mode on known platforms.
- Use /run/cloud-init for tempfile operations.
- ds-identify: Make OpenStack return maybe on arch other than intel.
- tests: mock missed openstack metadata uri network_data.json
[Chad Smith]
- relocate tests/unittests/helpers.py to cloudinit/tests
[Lars Kellogg-Stedman]
- tox: add nose timer output [Joshua Powers]
- upstart: do not package upstart jobs, drop ubuntu-init-switch module.
- tests: Stop leaking calls through unmocked metadata addresses
[Chad Smith]
- distro: allow distro to specify a default locale [Ryan Harper]
- tests: fix two recently added tests for sles distro.
- url_helper: dynamically import oauthlib import from inside oauth_headers
[Chad Smith]
- tox: make xenial environment run with python3.6
- suse: Add support for openSUSE and return SLES to a working state.
[Robert Schweikert]
- GCE: Add a main to the GCE Datasource.
- ec2: Add IPv6 dhcp support to Ec2DataSource. [Chad Smith]
- url_helper: fail gracefully if oauthlib is not available
[Lars Kellogg-Stedman]
- cloud-init analyze: fix issues running under python 2. [Andrew Jorgensen]
- Configure logging module to always use UTC time.
[Ryan Harper]
- Log a helpful message if a user script does not include shebang.
[Andrew Jorgensen]
- cli: Fix command line parsing of coniditionally loaded subcommands.
[Chad Smith]
- doc: Explain error behavior in user data include file format.
[Jason Butz]
- cc_landscape & cc_puppet: Fix six.StringIO use in writing configs
[Chad Smith]
- schema cli: Add schema subcommand to cloud-init cli and cc_runcmd schema
[Chad Smith]
- Debian: Remove non-free repositories from apt sources template.
[Joonas Kylmälä]
- tools: Add tooling for basic cloud-init performance analysis.
[Chad Smith]
- network: add v2 passthrough and fix parsing v2 config with bonds/bridge
params [Ryan Harper]
- doc: update capabilities with features available, link doc reference,
cli example [Ryan Harper]
- vcloud directory: Guest Customization support for passwords
[Maitreyee Saikia]
- ec2: Allow Ec2 to run in init-local using dhclient in a sandbox.
[Chad Smith]
- cc_ntp: fallback on timesyncd configuration if ntp is not installable
[Ryan Harper]
- net: Reduce duplicate code. Have get_interfaces_by_mac use
get_interfaces.
- tests: Fix build tree integration tests [Joshua Powers]
- sysconfig: Dont repeat header when rendering resolv.conf
[Ryan Harper]
- archlinux: Fix bug with empty dns, do not render 'lo' devices.
-- Chad Smith <chad.smith@xxxxxxxxxxxxx> Tue, 31 Oct 2017 13:10:51
-0600
** Changed in: cloud-init (Ubuntu Xenial)
Status: Fix Committed => Fix Released
--
You received this bug notification because you are a member of नेपाली
भाषा समायोजकहरुको समूह, which is subscribed to Xenial.
Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1725067
Title:
cloud-init resizefs fails when booting with root=PARTUUID=
Status in cloud-init:
Fix Released
Status in cloud-init package in Ubuntu:
Fix Released
Status in cloud-init source package in Xenial:
Fix Released
Status in cloud-init source package in Zesty:
Fix Released
Status in cloud-init source package in Artful:
Fix Released
Bug description:
http://pad.lv/1725067
https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1725067
=== Begin SRU Template ===
[Impact]
Growing the root partition would not resize and leave a Traceback in /var/log/cloud-init.log if both:
a.) The device /dev/root did not exist
-- this case only hit xenial only because zesty already had a /dev/root created in the image so resize succeeded.
b.) the kernel command line included PARTUUID=<value>
-- This potential SRU regression occurred because of code restructuring that still discovered (and logged) but didn't use the discovered kernel_cmdline root device path when resizing.
[Test Case]
get-proposed-image is
https://github.com/cloud-init/qa-scripts/blob/master/scripts/get-proposed-cloudimg
It downloads a cloud image of a given release, and then creates a -proposed
image with cloud-init upgraded.
A script 'recreate.sh' will run each of the steps below automated.
https://github.com/cloud-init/ubuntu-sru/blob/master/bugs/lp-1684869/recreate.sh
NOTE: By default the images downloaded start off as 2Gig partitions,
by requesting a 10G sparse qcow2 image resizefs should find the
partition and resize it to the full 10Gig. If resizefs fails, we'd
still be stuck with a 2GB response for "df -h /". This is what failed
on our previous SRU proposal. The disk stayed at 2G instead of being
resized to 10G.
1.) get a (proposed) disk image image.
and convert it to raw so you can read the partuuid with sfdisk
(get-proposed-image does this, if not,
'qemu-img convert -O raw orig.img orig.raw')
./get-proposed-image
2.) get the partition uuid of the first partition
# for xenial images that are dos partition table rather than gpt
# we need to convert that with:
# sgdisk --mbrtogpt $raw
$ raw=yakkety-server-cloudimg-amd64-proposed.raw
$ ptuuid=$(sfdisk --part-uuid $raw 1)
3.) create a nocloud seed
$ printf "%s\n%s\n%s\n%s\n" "#cloud-config" "password: passw0rd" \
"chpasswd: {expire: False}" "ssh_pwauth: True" > my-user-data
$ echo "instance-id: $(uuidgen || echo i-abcdefg)" > my-meta-data
$ cloud-localds my-seed.img my-user-data my-meta-data
4.) extract kernel from inside the image
$ sudo mount-image-callback $raw -- mchroot sh -xc 'cat /boot/vmlinu?-*' > kernel
5.) boot instance with disk backed by the raw disk above.
$ qemu-img create -f qcow2 -b $raw disk.img 10G
$ qemu-system-x86_64 -enable-kvm \
-drive file=disk.img,if=ide,index=0 -drive file=my-seed.img,if=ide \
-net nic -net user,hostfwd=tcp::2222-:22 \
-snapshot -m 768 -nographic -echr 0x05 \
-kernel kernel \
-append "root=PARTUUID=${ptuuid} ro console=tty1 console=ttyS0"
6.) log in, verify / has been resized.
log in with 'ubuntu' and password 'passw0rd'
$ df -h /
Filesystem Size Used Avail Use% Mounted on
/dev/root 9.6G 1009M 8.6G 11% /
[Regression Potential]
Regressions would surface as the root filesystem not being correctly resized.
The user would find themselves with not as much disk as expected.
[Other Info]
The qemu-system-x86 command above uses ide devices. This is because
the ide device emulated by qemu is built into the -generic kernel,
while the more common virtio-block or virtio-scsi are not. If you
attach those device types, it will fail with 'cant find root'.
Note that this was a regression of changes added in
* bug 1684869: growing root partition does not always work with root=PARTUUID=
* bug 1677376: growing partitions does not work when booted without initramfs
The issue probably is only seen if using the version of cloud-init
in xenial-proposed. Zesty and artful kernels or userspace made the change
actually not regress. However we will verify functionality for the uploaded
version in each of x, z, a.
[Other Info]
Upstream commit at
https://git.launchpad.net/cloud-init/commit/?id=17a15f9e0a
=== End SRU Template ===
A freshly built Ubuntu 17.10 image that's configured to boot without
initramfs by passing root=PARTUUID=<uuid> on the kernel commandline
comes up degraded because cloud-init fails to resize the root
partition.
Oct 20 00:07:30 ubuntu cloud-init[493]: 2017-10-20 00:07:30,656 - util.py[WARNING]: Failed to resize filesystem (cmd=('resize2fs', '/dev/root'))
Oct 20 00:07:30 ubuntu cloud-init[493]: 2017-10-20 00:07:30,662 - util.py[WARNING]: Running module resizefs (<module 'cloudinit.config.cc_resizefs' from '/usr/lib/python3/dist-packages/cloudinit/config/cc_resizefs.py'>) failed
Looking at the code, I see that there are two separate implementations
of rootdev_from_cmdline, one in cloudinit/util.py and one in
cloudinit/config/cc_resizefs.py; and the second does not handle
partuuid.
>>> from cloudinit.util import rootdev_from_cmdline
>>> rootdev_from_cmdline('BOOT_IMAGE=/boot/vmlinuz-4.4.0-1007-kvm root=PARTUUID=f122607f-3631-4411-bd34-de4bed76e0f7 ro console=tty1 console=ttyS0 systemd.log_level=debug')
'/dev/disk/by-partuuid/f122607f-3631-4411-bd34-de4bed76e0f7'
>>> from cloudinit.config.cc_resizefs import rootdev_from_cmdline
>>> rootdev_from_cmdline('OT_IMAGE=/boot/vmlinuz-4.4.0-1007-kvm root=PARTUUID=f122607f-3631-4411-bd34-de4bed76e0f7 ro console=tty1 console=ttyS0 systemd.log_level=debug')
'/dev/PARTUUID=f122607f-3631-4411-bd34-de4bed76e0f7'
>>>
This is related to bug #1684869; I'm not sure if it's the same bug
reintroduced or if was never fixed properly on trunk (17.1).
Related bugs:
* bug 1684869: growing root partition does not always work with root=PARTUUID=
* bug 1685291: RFC: virtio and virtio-scsi should be built in
* bug 1677376: growing partitions does not work when booted without initramfs
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