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OpenStack
How do you operationalize OpenStack?
So after “living with OpenStack” for a couple months now, I’ve been taking notes and such, figured I’d share them. This view is from a managed services environment, but an enterprise view would be ok as well. Our OpenStack architecture cannot, and will-not look like our Vmware architecture where each hypervisor node also provides storage, […]
Tags: Open Stack, OpenStack, Operationalization, Operations
Posted in Cloud, Coud Security, Networking, Open Compute, Open Stack, SmartCloud, SmartCloud Orchestrator, vCAC, Virtualization, vmware | No Comments »
OpenStack cloud-init cannot contact or ping 169.254.169.254 to establish meta-data connection – fix
Using OpenStack Open vSwitch with VLAN’s removes a lot of the trickery involved with using public and private IP’s. That way each VM gets it’s own real IP address assigned to it. In this case, our network layout looks as such: That being said, the VM’s still need a way to get back to 169.254.169.254 […]
Tags: 169.254.169.254, Cloud-Init, linux, OpenStack
Posted in Cloud, Cloud-Init, Linux, Networking, Neutron, Open Stack | 2 Comments »
Using haproxy as a load balancer for OpenStack services on RedHat OpenStack
Configuring RedHat OpenStack to be highly available is not like VMware where you just enable a couple features, check some boxes and voila! Quite the contrary… In fact; configuring RedHat OpenStack to be highly available is quite elegant. Lets look at it like this. You quite a few services that make up OpenStack as a […]
Tags: HA, haproxy, Highly Available, Open Stack, OpenStack
Posted in Linux, Neutron, Nova, OCP, Open Compute, Open Stack, Virtualization | 2 Comments »
OpenStack Havana – Fix for Unable to launch the instance due to “No valid host was found”
When trying to launch a dual homed VM within OpenStack Havana, I would get an Error in the horizon interface. When looking in Nova, I would see the error below when running: nova show ‘instancename’ fault | {u’message’: u’No valid host was found. ‘, u’code’: 500 Which by itself its pretty damn ambiguous, I stared […]
Tags: Havana, Neutron, Nova, Open Stack, OpenStack
Posted in Linux, Networking, Neutron, Nova, Open Stack | 2 Comments »