Posts categorized under: OpenStack

Configuring collectd plugins with TripleO

A way of deploying OpenStack is to use TripleO. This takes the an approach to deploy a small OpenStack environment, and then to take OpenStack provided infrastructure and tools to deploy the actual production environment. This is actually done by an addition to the openstack command line client:

openstack overcloud …

Operational Tools in CentOS

A while ago, we proposed the OpsTools SIG. Its idea is to provide tools for operators, system administrators, etc.

Now we have a repository for testing purposes:

yum install http://buildlogs.centos.org/centos/7/opstools/x86_64/common/centos-release-opstools-1-2.el7.noarch.rpm

Documentation can be found on GitHub, and we …

Disable "Resource Usage"-dashboard in Horizon

When using Horizon as Admin user, you probably saw the metering dashboard, also known as "Resource Usage".

It internally uses Ceilometer; Ceilometer continuously collects data from configured data sources. In a cloud environment, this can quickly grow enormously. When someone visits the metering dashboard in Horizon, Ceilometer then will accumulate …

Caching in Horizon with Redis

Redis is a in-memory data structure store, which can be used as cache and session backend.

I thought to give it a try for Horizon. Installation is quite simple, either pip install django-redis or dnf --enablerepo=rawhide install python-django-redis.

Then change openstack_dashboard/local/local_settings.py aka. /etc/openstack-dashboard/local_settings to …

OpenStack Summit Tokyo

Over the past week, I attended the OpenStack Summit in Tokyo.

My primary focus was on Horizon sessions. Nevertheless, I was lucky to have one or two glimpses at more touristic spots in Tokyo.

temple in the area

Plugins

The first work session for Horizon started on Wednesday with plugins. Previously, there has been …

Testing Horizon git snapshots

Testing horizon git checkouts

One of the cool things in Horizon is, one can easily try newest things out. This assumes, you already have an OpenStack installation available somewhere.

If you haven't already installed git:

yum install git

To clone horizons upstream git repository, run the command

git clone https …

Truncating log files

Depending on your settings, OpenStack Dashboard produces lots of log output. Fortunately there is already a tool in place, which cleans them up for you. Looking at /var/log/httpd/ you'll probably notice files like access_log-(date).gz. They were generated by logrotate by compressing existent logs.

To use the …