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Project Description
Docker Compose for Swarm Mode
=============================

Drop in replacement for docker-compose that works with swarm mode
introduced in Docker 1.12 (and converter to Kubernetes format).

Motivation
----------

Docker 1.12 with its new `Swarm
mode <https: docs.docker.com="" engine="" swarm=""/>`__ has been out for a
while, but Docker Compose - the great tool for running multi-container
configurations - still (1.5+ months after Docker release) doesn't
support it.

The only thing they offer is generating a
`DAB <https: github.com="" docker="" docker="" blob="" master="" experimental="" docker-stacks-and-bundles.md="">`__
file from your ``docker-compose.yml`` and deploying it to Docker.
However DAB doesn't support a lot of ``docker-compose.yml`` stuff and
deploying it to Docker is an experimental feature that is not supported
yet in the latest 1.12.1 release.

So you should either stick with the previous version of Docker or throw
out all your docker-compose files and run a bunch of long
``docker service ...`` commands.

Neither option looked good to me so, as a temporary solution (I still
hope Docker Compose with swarm mode support will be released soon), I've
created a script that parses a ``docker-compose.yml`` file, generates
``docker service ...`` commands for you and runs them.

UPDATE
^^^^^^

After some stability and network issues with Docker swarm mode we've
decided to try our luck with Kubernetes.

Several existing compose-to-kubernetes translation tools have failed on
our compose files, so I decided to quick add such functionality to
docker-compose-swarm-mode.

Installation
------------

docker-compose-swarm-mode is available on
`PyPI <https: pypi.python.org="" pypi="" docker-compose-swarm-mode="">`__.

``pip install docker-compose-swarm-mode``

Or just download the ``.py`` script.

Or use Docker image
`ddrozdov/docker-compose-swarm-mode <https: hub.docker.com="" r="" ddrozdov="" docker-compose-swarm-mode=""/>`__,
e.g.:

::

docker run --rm -ti -v /var/run/docker.sock:/var/run/docker.sock -v /some/dir/with/compose/files:/compose ddrozdov/docker-compose-swarm-mode -f /compose/docker-compose.yml --dry-run up

Requirements
------------

Python 2.7+.

Usage
-----

The script tries its best to support the CLI of the original Docker
Compose so just use it as you would use Docker Compose.

Use ``--dry-run`` option if you'd first like to check what ``docker``
commands are to be executed.

The script currently doesn't support all docker-compose commands,
options, and ``yml`` keys. It just supports what I've needed in my
projects so far. See the usage help with ``-h`` flag and try the script
with your ``docker-compose.yml``, it'll tell you if there are
unsupported keys.

In case you need something that is not supported yet, feel free to
create an issue and/or submit a pull request.

Keys that are silently ignored because they are not supported by
``docker service``: \* container\_name \* expose \* extra\_hosts \*
hostname

Convert to Kubernetes format (since 2.0.0)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The script can also be used to convert compose files to Kubernetes
resource specifications:

::

docker-compose-swarm-mode -f docker-compose.yml -p project convert > kubernetes.yml

Currently only the things under top-level ``services`` key are
converted.

For each compose's service one Kubernetes Service and one Deployment are
generated.

Support for some keys is not yet implemented (see TODOs in the code).

Keys that are silently ignored because they are not supported by
Kubernetes: \* extra\_hosts \* hostname \* logging \* networks

History
-------

2.0.0
^^^^^

New operation ``convert`` to translate compose files to Kubernetes
format.

1.4.0
^^^^^

Support for ``mode`` key.

Use "json-file" as a default for ``logging.driver``.

Partial support for ``labels`` key (array format only).

Extended services merging fixes and improvements.

Fix Python 3 compatibility.

1.3.0
^^^^^

Support empty project name (resolves #24).

Merge lists and dictionaries for extended services.

1.2.2
^^^^^

Hotfix for stop & rm commands.

1.2.1
^^^^^

Fix service detection (fixes #21 and #23).

Fix typo in volume detection.

1.2.0
^^^^^

Fix services, networks, and volumes being incorrectly detected as
existing/running in some cases.

Fix spaces handling in variables under ``environment`` key.

Support for multiple compose files.

Support for ``.env`` file.

1.1.1
^^^^^

Fix pypandoc being required on installation while needed on packaging
phase only.

1.1.0
^^^^^

Python 3 support.

Installation from PyPI.

1.0.0
^^^^^

First release.

License
-------

The MIT License (MIT)

Copyright (c) 2016 Dmitry Drozdov

Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Release History

Release History

2.0.0

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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1.4.0

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1.3.0

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1.2.2

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1.2.1

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1.2.0

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Changelog content for this version goes here.

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1.1.1

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TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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1.1.0

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
docker-compose-swarm-mode-2.0.0.tar.gz (11.3 kB) Copy SHA256 Checksum SHA256 Source Nov 1, 2016

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