** Changed in: open-vm-tools (Debian)
Status: Incomplete => Fix Released
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https://bugs.launchpad.net/bugs/1750780
Title:
Race with local file systems can make open-vm-tools fail to start
Status in cloud-init:
Invalid
Status in open-vm-tools package in Ubuntu:
Fix Released
Status in systemd package in Ubuntu:
Fix Released
Status in open-vm-tools source package in Xenial:
Invalid
Status in systemd source package in Xenial:
New
Status in open-vm-tools package in Debian:
Fix Released
Bug description:
Since the change in [1] open-vm-tools-service starts very (very) early.
Not so much due to the
Before=cloud-init-local.service
But much more by
DefaultDependencies=no
That can trigger an issue that looks like
root@ubuntuguest:~# systemctl status -l open-vm-tools.service
● open-vm-tools.service - Service for virtual machines hosted on VMware
Loaded: loaded (/lib/systemd/system/open-vm-tools.service; enabled; vendor
preset: enabled)
Active: failed (Result: resources)
As it is right now open-vm-tools can race with the other early start and then
fail.
In detail one can find a message like:
open-vm-tools.service: Failed to run 'start' task: Read-only file system"
This is due to privtaeTmp=yes which is also set needing a writable
/var/tmp [2]
To ensure this works PrivateTmp would have to be removed (not good) or some
after dependencies added that make this work reliably.
I added
After=local-fs.target
which made it work for me in 3/3 tests.
I' like to have an ack by the cloud-init Team that this does not totally kill
the originally intended Before=cloud-init-local.service
I think it does not as local-fs can complete before cloud-init-local, then
open-vm-tools can initialize and finally cloud-init-local can pick up the data.
To summarize:
# cloud-init-local #
DefaultDependencies=no
Wants=network-pre.target
After=systemd-remount-fs.service
Before=NetworkManager.service
Before=network-pre.target
Before=shutdown.target
Before=sysinit.target
Conflicts=shutdown.target
RequiresMountsFor=/var/lib/cloud
# open-vm-tools #
DefaultDependencies=no
Before=cloud-init-local.service
Proposed is to add to the latter:
After=local-fs.target
[1]: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=859677
[2]: https://github.com/systemd/systemd/issues/5610
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