Run a simple CoreOS cluster natively in OpenStack. Plus, learn a tremendous amount about the OpenStack CLI tools as opposed to Heat:https://docs.openstack.org/heat/latest/ References https://coreos.com/os/docs/latest/booting-on-openstack.html – Latest official documentation http://lollyrock.com/articles/coreos-openstack/ – Primary resource https://docs.openstack.org/magnum/latest/user/ – Magnum-specific settings (so this page can …

CoreOS Cluster on OpenStack Pike Read more »

Tagged with: ,

Found a number of references but here’s the recipe from zero to hero. References Useful writeup on CentOS 7: https://ask.openstack.org/en/question/67682/docker-setup-on-kilo/ Discussion of Docker storage: http://www.projectatomic.io/blog/2015/06/notes-on-fedora-centos-and-docker-storage-drivers/ Writeup on resize Docker storage: https://jpetazzo.github.io/2014/01/29/docker-device-mapper-resize/ CentOS 7 bug with overlayfs on XFS filesystem (obviates …

OpenStack Kilo and Docker: CentOS 7 Integration Read more »

Tagged with: , ,

Hi All! A detailed article to integrate OpenStack tenants with Nagios! While my promised articles on implementing High Availability within OpenStack (which I’ve done now for Icehouse and Kilo) are still just in my brain, here’s something else to keep …

OpenStack Tenants and Nagios Integration Script Read more »

Tagged with: , , , ,

Hi All. Today’s adventure touches on a common OpenStack Neutron theme: “I just created a VM. It’s running. It says it has an IP address. And I can’t ping it!!” Read on for tips on debugging Neutron DHCP Failures on …

Debugging Neutron DHCP Failures on OpenStack Read more »

Tagged with: , , ,