[Bug 1366893] [NEW] cloud-init --local needs mounted /run but not guaranteed by upstart job

[Scott Moser]

Public bug reported:

in cloud-init local , cloud-init does:
 a. create /run/cloud-init if it does not exist
 b. write some data to /var/lib/cloud/data/status.json
 c. link /run/cloud-init/status.json

if /run is mounted over the top of /run between a and c, then we'll fail to create the symlink,
and will have a stack trace to console like:
Traceback (most recent call last):
  File "/usr/bin/cloud-init", line 618, in <module>
    sys.exit(main())
  File "/usr/bin/cloud-init", line 614, in main
    get_uptime=True, func=functor, args=(name, args))
  File "/usr/lib/python2.7/dist-packages/cloudinit/util.py", line 1875, in log_time
    ret = func(*args, **kwargs)
  File "/usr/bin/cloud-init", line 491, in status_wrapper
    force=True)
  File "/usr/lib/python2.7/dist-packages/cloudinit/util.py", line 1402, in sym_link
    os.symlink(source, link)

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: cloud-init 0.7.5-0ubuntu1.1
ProcVersionSignature: User Name 3.13.0-35.62-generic 3.13.11.6
Uname: Linux 3.13.0-35-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.3
Architecture: amd64
Date: Mon Sep  8 16:50:40 2014
PackageArchitecture: all
ProcEnviron:
 TERM=screen
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: cloud-init
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.init.cloud.init.local.conf: 2014-09-08T14:38:58.888631

** Affects: cloud-init (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty uec-images

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Title:
  cloud-init --local needs mounted /run but not guaranteed by upstart
  job

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