Apollo coreos

This uses CoreOS, Etcd, Fleet and confd to provides distributed configuration and service discovery to Apollo api and web application.

Dependencies

This repo uses Vagrant and Virtualbox to create three CoreOS virtual machine.

Virtualbox 4.3.10 or greater.
Vagrant 1.6 or greater.

Configuring

Copy user-data.sample to user-data.

cp user-data.sample user-data

Generate a new etcd token here and change discovery: option in data-sample.

Add your ssh public key in user-data changing path and content as the example.

- path: /home/core/.ssh/authorized_keys.d/<USERNAME-HERE>
  permissions: 0600
  owner: core
  content: |
    <SSH-RSA-KEY-HERE>

Copy config.rb.sample to config.rb

cp config.rb.sample config.rb

Create a shared folder.

mkdir -p ~/.containers/apollo

Environment

Set the environment you are working on.

export APOLLO_ENVIRONMENT=local
export APOLLO_TAG=$APOLLO_ENVIRONMENT
export DOCKER_REGISTRY="${APOLLO_ENVIRONMENT}.registry.apollolab.com.br:5000"
export FLEETCTL_TUNNEL=172.16.16.101

It recommended to add it to ~/.bashrc. It's used in other projects.

Common address

As root set more one ip address to eth0.

ifconfig eth0:0 172.16.16.16

ssh

Add the following to ~/.ssh/config:

Host apollo
  User     core
  HostName 172.16.16.101
  IdentityFile ~/.ssh/id_rsa.pub

Add your key:

ssh-add ~/.ssh/id_rsa
ssh-add  ~/.vagrant.d/insecure_private_key

Check if it is correctly loaded:

ssh-add -l

Starting the cluster

It will start three nodes.

vagrant up

To get in a node use.

vagrant ssh apollo-01

Starting registry

You will need a local docker-registry. For more info see

Fleet

List machines.

fleetctl list-machines
MACHINE         IP              METADATA
b3dac926...     172.16.16.101    -

Reloading user-data

Inside a machine run:

sudo coreos-cloudinit --from-file /var/lib/coreos-vagrant/vagrantfile-user-data

wiliamsouza / apollo-coreos