Sunday, September 27, 2015

CoreOS missing features

In a recent blog post from the CoreOS team they presented a new feature uses rkt and flannel in order to create an ephemeral network between containers on nodes. I do not completely understand the details but that's coming. What did catch my attention was that the cloud-config file that was demonstrated made it clear that the entire deployment needed to be CI capable with zero downtime. Meaning that each node would have to be replaced in realtime without any downtime.

Since this sort of realtime migration has not been discussed in any of the docs or posts I can only conclude that it's implemented with the paid-for CoreOS tools. This is yet another area that makes selling to managers and stakeholders difficult.

PS: I was told to expect an update on CoreOS pricing but that has not happened yet.

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