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Create a Logical Volume, EXT4 filesystem, mounted mount point and NFS export all via Puppet
I was building a NFS server for our users home directories to work with our FreeIPA implementation, and instead of setting up a logical volume, filesystem and mount point manually I decided to do it via Puppet. Since Puppet is our configuration management engine of choice, I might as well make something that’s reusable, right? […]
Tags: LVM, manifest, NFS, Puppet
Posted in Linux, Puppet | 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 »
Installing a active/passive MySQL database cluster for OpenStack Havana on RHEL 6.5
Since RHEL 6.5 does not ship with an Active/Active version of MySQL, you’re limited to using an Active/Passive configuration out of the box. There are other alternate methods, however; this is the supported configuration from RedHat. The requirements for creating an Active/Passive MySQL cluster are quite simple. You simply need shared storage. In this case, […]
Posted in Cloud, Linux, Open Stack, Virtualization, vmware | 1 Comment »