717462996a
The journal within systemd is able to be shipped from a physical hosts
to a centralized location. This change introduces
`systemd-journal-remote` which will ship all journals on the physical
host to the log host and store the journals under
"/var/log/journal/remote". This change gives deployers greater
visability into the cloud using the systemd built-ins.
> NOTE: This change is all accomplished in a playbook using our common
roles. While this could be moved into a role by itself, it would
be a waist of effort given how small this change is.
Given all services are inherently logging to the journal, this change
may allow us to one day deprecate or minimize the usage of our
rsyslog roles. If we were to remove the requirement for rsyslog to run
everywhere we could reduce overall internal cluster IO (CPU, network and
block) and remove the requirement for all services to ship log files from
all containers and hosts. This change is NOT modifying the integrated
logging architecture. At this time we're simply ensuring that the
journals on the physical host are co-located on the logging machines.
At this time there's no suitable package available for
systemd-journal-remote on suse so the playbook to install and setup
remote journalling is being omitted when the suse is detected. When a
suitable package is found the playbook omission should be removed.
Change-Id: I254d52df6303b7cc4d4071b4beaf347922b2616e
Related-Change: https://review.openstack.org/553707
Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>
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