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clusterdock is a framework for creating Docker-based container clusters

Project description


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:alt: Documentation Status

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**clusterdock** is a Python 3 project that enables users to build,
start, and manage Docker container-based clusters. It uses a pluggable
system for defining new types of clusters using folders called *topologies* and
is a swell project, if I may say so myself.


"I hate reading, make this quick."

Before doing anything, install a recent version of `Docker`_ to your machine. Next,
clone a clusterdock topology to your machine. For this example,
we'll use the `nodebase topology`_.
Assuming that you've already installed **clusterdock**, you could start a 2-node cluster:

.. _Docker:
.. _nodebase topology:

.. code-block:: console

$ git clone
$ clusterdock start topology_nodebase
2017-08-03 10:04:18 PM clusterdock.models INFO Starting cluster on network (cluster) ...
2017-08-03 10:04:18 PM clusterdock.models INFO Starting node node-1.cluster ...
2017-08-03 10:04:19 PM clusterdock.models INFO Starting node node-2.cluster ...
2017-08-03 10:04:20 PM clusterdock.models INFO Cluster started successfully (total time: 00:00:01.621).

To SSH into a node and look around:

.. code-block:: console

$ clusterdock ssh node-1.cluster
[root@node-1 ~]# ls -l / | head
total 64
dr-xr-xr-x 1 root root 4096 May 19 20:48 bin
drwxr-xr-x 5 root root 360 Aug 4 05:04 dev
drwxr-xr-x 1 root root 4096 Aug 4 05:04 etc
drwxr-xr-x 2 root root 4096 Sep 23 2011 home
dr-xr-xr-x 7 root root 4096 Mar 4 2015 lib
dr-xr-xr-x 1 root root 4096 May 19 20:48 lib64
drwx------ 2 root root 4096 Mar 4 2015 lost+found
drwxr-xr-x 2 root root 4096 Sep 23 2011 media
drwxr-xr-x 2 root root 4096 Sep 23 2011 mnt
[root@node-1 ~]# exit

To see the complete usage message for the topology:

.. code-block:: console

$ clusterdock start topology_nodebase -h
usage: clusterdock start [-h] [--node-disks map] [--always-pull]
[--namespace ns] [--network nw] [-o sys] [-r url]
[--nodes node [node ...]]

Start a nodebase cluster

positional arguments:
topology A clusterdock topology directory

optional arguments:
-h, --help show this help message and exit
--always-pull Pull latest images, even if they're available locally
(default: False)
--namespace ns Namespace to use when looking for images (default:
--network nw Docker network to use (default: cluster)
-o sys, --operating-system sys
Operating system to use for cluster nodes (default:
-r url, --registry url
Docker Registry from which to pull images (default:

nodebase arguments:
--node-disks map Map of node names to block devices (default: None)

Node groups:
--nodes node [node ...]
Nodes of the nodes group (default: ['node-1',

When you're done and want to clean up:

.. code-block:: console

$ clusterdock manage nuke
2017-08-03 10:06:28 PM clusterdock.actions.manage INFO Stopping and removing all containers ...
2017-08-03 10:06:30 PM clusterdock.actions.manage INFO Removing all user-defined networks ...


1.0.3 (2017-09-02)

* Cleaned up Node API.
* Added wait_for_permission and join_url_parts utility functions.

1.0.2 (2017-08-04)

* Updated how Cluster and Node objects are initialized.
* Added project logo.
* Doc improvements.

1.0.1 (2017-08-03)

* First release on PyPI.

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