[Bug 1543025] Re: Wrong UTC zoneinfo in cloud-images

[Martin Pitt]

I think the bug is here in cloudinit/distros/__init__.py:

def set_etc_timezone(tz, tz_file=None, tz_conf="/etc/timezone",
                     tz_local="/etc/localtime"):
    util.write_file(tz_conf, str(tz).rstrip() + "\n")
    # This ensures that the correct tz will be used for the system
    if tz_local and tz_file:
        util.copy(tz_file, tz_local)
    return

/etc/localtime ought to be a symlink to the selected file in
/usr/share/zoneinfo/, not a copy (it used to in the past due to the
possibility of /usr/ being on a separate file system, but that got fixed
by initramfs-tools in a better way now). So with the copy() the symlink
doesn't get updated, and instead it clobbers the file in /usr/.

** Changed in: cloud-init (Ubuntu)
       Status: New => Triaged

** Also affects: cloud-init (Ubuntu Xenial)
   Importance: High
       Status: Triaged

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https://bugs.launchpad.net/bugs/1543025

Title:
  Wrong UTC zoneinfo in cloud-images

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