cloud-init status broken in groovy lxd containers

[ubuntu-server-builder]

This bug was originally filed in Launchpad as LP: #1886531

Launchpad details

affected_projects = ['cloud-init (Ubuntu)', 'cloud-init (Ubuntu Groovy)']
assignee = raharper
assignee_name = Ryan Harper
date_closed = 2020-08-25T19:31:55.841260+00:00
date_created = 2020-07-06T15:48:39.270589+00:00
date_fix_committed = 2020-07-10T13:24:33.260746+00:00
date_fix_released = 2020-08-25T19:31:55.841260+00:00
id = 1886531
importance = medium
is_complete = True
lp_url = https://bugs.launchpad.net/cloud-init/+bug/1886531
milestone = None
owner = rbalint
owner_name = Balint Reczey
private = False
status = fix_released
submitter = joalif
submitter_name = Ioanna Alifieraki
tags = ['id-596e17fac6e5ac8ded74a8ee']
duplicates = [1886562]

Launchpad user Ioanna Alifieraki(joalif) wrote on 2020-07-06T15:48:39.270589+00:00

[Impact]

cloud-init status returns error, in groovy lxd containers.
This is probably happening because it expects /etc/fstab to exist, but it doesn't.

[Test Case]

$ lxc launch ubuntu-daily:groovy g
$ lxc exec g -- /bin/bash
root@g:~# cloud-init status
status: error

From /var/log/cloud-init.log :

2020-07-06 14:51:47,011 - util.py[DEBUG]: Running module mounts (<module 'cloudinit.config.cc_mounts' from '/usr/lib/python3/dist-packages/cloudinit/config/cc_mounts.py'>) failed
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/cloudinit/stages.py", line 848, in _run_modules
ran, _r = cc.run(run_name, mod.handle, func_args,
File "/usr/lib/python3/dist-packages/cloudinit/cloud.py", line 54, in run
return self._runners.run(name, functor, args, freq, clear_on_fail)
File "/usr/lib/python3/dist-packages/cloudinit/helpers.py", line 185, in run
results = functor(*args)
File "/usr/lib/python3/dist-packages/cloudinit/config/cc_mounts.py", line 381, in handle
for line in util.load_file(FSTAB_PATH).splitlines():
File "/usr/lib/python3/dist-packages/cloudinit/util.py", line 1422, in load_file
with open(fname, 'rb') as ifh:
FileNotFoundError: [Errno 2] No such file or directory: '/etc/fstab'

[ubuntu-server-builder]

Launchpad user Launchpad Janitor(janitor) wrote on 2020-07-07T13:24:17.999677+00:00

Status changed to 'Confirmed' because the bug affects multiple users.

[ubuntu-server-builder]

Launchpad user Dan Streetman(ddstreet) wrote on 2020-07-09T11:54:45.605667+00:00

This is also causing the docker.io autopkgtest failures in g, as the docker.io test 'docker-in-lxd' does:

• lxc exec docker -- cloud-init status --wait
  ...........................
  status: error

which fails the test.

[ubuntu-server-builder]

Launchpad user Ryan Harper(raharper) wrote on 2020-07-09T15:43:03.749857+00:00

#484

[ubuntu-server-builder]

Launchpad user Dan Watkins(oddbloke) wrote on 2020-07-10T14:18:52.106976+00:00

This landed in 3d06abc, and I have since uploaded a new cloud-init package to groovy; it should migrate shortly.

[ubuntu-server-builder]

Launchpad user Launchpad Janitor(janitor) wrote on 2020-07-10T18:23:27.884026+00:00

This bug was fixed in the package cloud-init - 20.2-94-g3d06abc2-0ubuntu1

---

cloud-init (20.2-94-g3d06abc2-0ubuntu1) groovy; urgency=medium

• New upstream snapshot.
  • cc_mounts: handle missing fstab (cc_mounts: handle missing fstab #484) (LP: #1886531)
  • LXD cloud_tests: support more lxd image formats (LXD cloud_tests: support more lxd image formats #482) [Paride Legovini]
  • Add update_etc_hosts as default module on *BSD (Add update_etc_hosts as default module on *BSD #479) [Adam Dobrawy]
  • cloudinit: fix tip-pylint failures and bump pinned pylint version (cloudinit: fix tip-pylint failures and bump pinned pylint version #478)
  • Added BirknerAlex as contributor and sorted the file (Added BirknerAlex as contributor #477)
    [Alexander Birkner]
  • Update list of types of modules in cli.rst [saurabhvartak1982]
  • tests: use markers to configure disable_subp_usage (tests: use markers to configure disable_subp_usage #473)
  • Add mention of vendor-data to no-cloud format documentation (Add mention of vendor-data to no-cloud format documentation #470)
    [Landon Kirk]
  • Fix broken link to OpenStack metadata service docs (Fix broken link to metadata service docs #467)
    [Matt Riedemann]
  • Disable ec2 mirror for non aws instances (Disable ec2 mirror for non aws instances #390)
    [lucasmoura] (LP: #1456277)
  • cloud_tests: don't pass --python-version to read-dependencies (cloud_tests: don't pass --python-version to read-dependencies #465)
  • networking: refactor is_physical from cloudinit.net (networking: refactor is_physical from cloudinit.net #457) (LP: #1884619)
  • Enable use of the caplog fixture in pytest tests, and add a
    cc_final_message test using it (Enable use of the caplog fixture in pytest tests, and add a cc_final_message test using it #461)
  • RbxCloud: Add support for FreeBSD (RbxCloud: Add support for FreeBSD #464) [Adam Dobrawy]
  • Add schema for cc_chef module (Add schema for cc_chef module #375) [lucasmoura] (LP: #1858888)
  • test_util: add (partial) testing for util.mount_cb (test_util: add (partial) testing for util.mount_cb #463)
  • .travis.yml: revert to installing ubuntu-dev-tools (.travis.yml: revert to installing ubuntu-dev-tools #460)
  • HACKING.rst: add details of net refactor tracking (HACKING.rst: add details of net refactor tracking #456)
  • .travis.yml: rationalise installation of dependencies in host (.travis.yml: rationalise installation of dependencies in host #449)
  • Add dermotbradley as contributor. (Add dermotbradley as contributor #458) [dermotbradley]
  • net/networking: remove unused functions/methods (net/networking: remove unused functions/methods #453)
  • distros.networking: initial implementation of layout (distros.networking: initial implementation of layout #391)
  • cloud-init.service.tmpl: use "rhel" instead of "redhat" (cloud-init.service.tmpl: use "rhel" instead of "redhat" #452)
  • Change from redhat to rhel in systemd generator tmpl (Change from redhat to rhel in systemd generator tmpl #450)
    [Eduardo Otubo]
  • Hetzner: support reading user-data that is base64 encoded. (Hetzner: support reading user-data that is base64 encoded. #448)
    [Scott Moser] (LP: #1884071)
  • HACKING.rst: add strpath gotcha to testing gotchas section (HACKING.rst: add strpath gotcha to testing gotchas section #446)
  • cc_final_message: don't create directories when writing boot-finished
    (cc_final_message: don't create directories when writing boot-finished #445) (LP: #1883903)
  • .travis.yml: only store new schroot if something has changed (.travis.yml: only store new schroot if something has changed #440)
  • util: add ensure_dir_exists parameter to write_file (util: add ensure_dir_exists parameter to write_file #443)
  • printing the error stream of the dhclient process before killing it
    (printing the error stream of the dhclient process before killing it #369) [Moustafa Moustafa]
  • Fix link to the MAAS documentation (Fix link to the MAAS documentation #442)
    [Paride Legovini] (LP: #1883666)
  • RPM build: disable the dynamic mirror URLs when using a proxy (RPM build: disable the dynamic mirror URLs when using a proxy #437)
    [Paride Legovini]
  • util: rename write_file's copy_mode parameter to preserve_mode (util: rename write_file's copy_mode parameter to preserve_mode #439)
  • .travis.yml: use $TRAVIS_BUILD_DIR for lxd_image caching (.travis.yml: use $TRAVIS_BUILD_DIR for lxd_image caching #438)
  • cli.rst: alphabetise devel subcommands and add net-convert to list (cli.rst: alphabetise devel subcommands and add net-convert to list #430)
  • Default to UTF-8 in /var/log/cloud-init.log (Default to UTF-8 in /var/log/cloud-init.log #427) [James Falcon]
  • travis: cache the chroot we use for package builds (travis: cache the chroot we use for package builds #429)
  • test: fix all flake8 E126 errors (test: fix all flake8 E126 errors #425) [Joshua Powers]
  • Fixes KeyError for bridge with no "parameters:" setting (Fixes KeyError for bridge with no "parameters:" setting #423)
    [Brian Candler] (LP: #1879673)
  • When tools.conf does not exist, running cmd "vmware-toolbox-cmd
    config get deployPkg enable-custom-scripts", the return code will
    be EX_UNAVAILABLE(69), on this condition, it should not take it as
    error. (Fix the ProcessExecutionError issue during running "vmware-toolbox-cmd config get deployPkg enable-custom-scripts" #413) [chengcheng-chcheng]
  • Document CloudStack data-server well-known hostname (Document CloudStack data-server well-known hostname #399) [Gregor Riepl]
  • test: move conftest.py to top-level, to cover tests/ also (test: move conftest.py to top-level, to cover tests/ also #414)
  • Replace cc_chef is_installed with use of subp.is_exe. (Replace cc_chef is_installed with use of subp.is_exe. #421)
    [Scott Moser]
  • Move runparts to subp. (Move runparts to subp. #420) [Scott Moser]
  • Move subp into its own module. (Move subp into its own module. #416) [Scott Moser]
  • readme: point at travis-ci.com (readme: point at travis-ci.com #417) [Joshua Powers]
  • New feature flag functionality and fix includes failing silently (Include fails silently and new feature flag functionality #367)
    [James Falcon] (LP: #1734939)
  • Enhance poll imds logging (Enhance poll imds logging #365) [Moustafa Moustafa]
  • test: fix all flake8 E121 and E123 errors (test: fix all flake8 E121 and E123 errors #404) [Joshua Powers]

-- Daniel Watkins oddbloke@ubuntu.com Fri, 10 Jul 2020 09:11:25 -0400

[ubuntu-server-builder]

Launchpad user James Falcon(falcojr) wrote on 2020-08-25T19:31:57.660605+00:00

This bug is believed to be fixed in cloud-init in version 20.3. If this is still a problem for you, please make a comment and set the state back to New

Thank you.