amarts / moana

External Control Plane for Kadalu Storage - https://kadalu.io/rfcs/0005-external-control-plane-gluster.html

Moana

Development Setup

$ wget https://packages.erlang-solutions.com/erlang-solutions_2.0_all.deb && sudo dpkg -i erlang-solutions_2.0_all.deb
$ sudo apt-get update
$ sudo apt-get -y install esl-erlang elixir postgresql
$ mix local.hex --force
$ mix local.rebar --force

Install project dependencies

$ cd moana
$ mix deps.get

Database setup

sudo su - postgres
$ psql
postgres-# CREATE DATABSE moana_dev
postgres-# CREATE USER postgres;
postgres-# ALTER USER postgres PASSWORD 'postgres';
postgres-# ALTER USER postgres WITH SUPERUSER;

Database Migrations

$ mix ecto.create
$ mix ecto.migrate

Start Server

$ mix phx.server

Now you can visit localhost:4000 from your browser.

CLI

Create a Cluster using,

$ cd cli
$ python3 -m moana.main cluster create mycluster
Cluster created successfully
Cluster ID: 7253f57e-3d7f-4fe0-a970-63cbd62dbe56

Register a node using,

$ python3 -m moana.main node join node1.example.com -c mycluster
Node added to Cluster successfully
Node ID: a940d1a8-562c-4b1e-8da8-cf662a671112

Now initiate Create Volume Request,

$ python3 -m moana.main volume create gvol1 node1.example.com:/bricks/b1 -c mycluster
Volume creation request sent
Task ID: 52d4b435-9cf6-4d6d-89ea-1794f7154c74

Check the status of the task using,

$ python3 -m moana.main task list

or

$ python3 -m moana.main task list           \
    -t 52d4b435-9cf6-4d6d-89ea-1794f7154c74 \
    -c mycluster

Once node agent updates the status as Success/Failure, then Volume list will show the Volume details.

$ python3 -m moana.main volume list -c mycluster

Node Agent

Usage and developer Contributing details are documented here