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Last pushed: 5 months ago
Short Description
tfplenum-base
Full Description

rock-containers

Repo to store container sources

Structure

This repo contains a structure allowing for tailoring applications
agnostic to the container management backend. The idea is that we
can create a new subdirectory to support a different orchestration
provider.

example/
  docker/
    Dockerfile
    other-files
    foo.txt
  kubernetes/
    pod1.json
    pod2.json
    whatever-goes-here.json

This sort of mirrors the structure used by Project Atomic's
nulecule library.

Containers

All the containers should be built upon rocknsm/base, which can be
found on Docker Hub and in the
base directory. base is built upon the centos/systemd container. We
run our containers using systemd (See this blog post
for discussion on the rationale. TLDR; you get lots of monitoring and
resource abilities and a familiar init structure.

Requirements. The one thing you have to ensure you do for this to work is
run the following on the host. After that, it just works :tm:

sudo setsebool container_manage_cgroup 1

Currently these containers are development. They add two things to the base
systemd container: RockNSM Devel Repo and
confd. The first let's us easily
build and deploy RPMs and the second lets us template configuration files
and configure them using environment variables.

TODO

We have several containers to build to make them 12 Factor
compliant. Check out the example and zookeeper builds to see examples
how to do it.

Lastly, I don't claim to be the end-all-be-all expert on these things. I accept
(and enjoy) a good argument. I have strong opinions, but happy to listen.

Thanks!

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Owner
prodian0013
Source Repository