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* Added User Guide section outlines. * Added User Guide to menu. * Moved HTTPS example to articles. * Replaced Hello World example with User Guide. * Moved use cases out of examples. * Updated Introduction to add User Guide. * Redirected migrated /use and /articles links. * Added Docker.io section * Added Dockerized section * Added Using Docker section * Added Docker Images section * Added Docker Links section * Added Docker Volumes section Docker-DCO-1.1-Signed-off-by: James Turnbull <james@lovedthanlost.net> (github: jamtur01)
93 lines
2.7 KiB
Markdown
93 lines
2.7 KiB
Markdown
page_title: Puppet Usage
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page_description: Installating and using Puppet
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page_keywords: puppet, installation, usage, docker, documentation
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# Using Puppet
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> *Note:* Please note this is a community contributed installation path. The
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> only `official` installation is using the
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> [*Ubuntu*](/installation/ubuntulinux/#ubuntu-linux) installation
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> path. This version may sometimes be out of date.
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## Requirements
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To use this guide you'll need a working installation of Puppet from
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[Puppet Labs](https://puppetlabs.com) .
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The module also currently uses the official PPA so only works with
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Ubuntu.
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## Installation
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The module is available on the [Puppet
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Forge](https://forge.puppetlabs.com/garethr/docker/) and can be
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installed using the built-in module tool.
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$ puppet module install garethr/docker
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It can also be found on
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[GitHub](https://github.com/garethr/garethr-docker) if you would rather
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download the source.
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## Usage
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The module provides a puppet class for installing Docker and two defined
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types for managing images and containers.
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### Installation
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include 'docker'
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### Images
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The next step is probably to install a Docker image. For this, we have a
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defined type which can be used like so:
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docker::image { 'ubuntu': }
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This is equivalent to running:
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$ docker pull ubuntu
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Note that it will only be downloaded if an image of that name does not
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already exist. This is downloading a large binary so on first run can
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take a while. For that reason this define turns off the default 5 minute
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timeout for the exec type. Note that you can also remove images you no
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longer need with:
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docker::image { 'ubuntu':
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ensure => 'absent',
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}
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### Containers
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Now you have an image where you can run commands within a container
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managed by Docker.
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docker::run { 'helloworld':
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image => 'ubuntu',
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command => '/bin/sh -c "while true; do echo hello world; sleep 1; done"',
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}
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This is equivalent to running the following command, but under upstart:
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$ docker run -d ubuntu /bin/sh -c "while true; do echo hello world; sleep 1; done"
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Run also contains a number of optional parameters:
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docker::run { 'helloworld':
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image => 'ubuntu',
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command => '/bin/sh -c "while true; do echo hello world; sleep 1; done"',
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ports => ['4444', '4555'],
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volumes => ['/var/lib/couchdb', '/var/log'],
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volumes_from => '6446ea52fbc9',
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memory_limit => 10485760, # bytes
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username => 'example',
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hostname => 'example.com',
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env => ['FOO=BAR', 'FOO2=BAR2'],
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dns => ['8.8.8.8', '8.8.4.4'],
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}
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> *Note:*
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> The `ports`, `env`, `dns` and `volumes` attributes can be set with either a single
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> string or as above with an array of values.
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