Defined Type: docker::container
- Defined in:
- manifests/container.pp
Overview
Definition: docker::container
This class installs docker containers using a custom provider for service.
Requires docker version >=1.3.1
Parameters: Required parameters:
-
image - docker image name with optional tag “ubuntu:14.04”
Option parameters:
-
See ‘docker create’ options:
http://docs.docker.com/reference/commandline/cli/#create -
Accepts most options documented.
-
If an option is not avalible you can pass in additonal options with extra_parameters => [ ‘–option=foo’, ‘–other=bar’ ]
Yes this is a total cop out on the docs, but docker options are a fast moving target.
Actions:
Writes a “config” file to /etc/docker/$title.config with the various docker options, then creates a service with the provider “docker” to start, stop and maintain the container. The Service: enable => true - ‘docker create $title’ enable => false - ‘docker rm $title’ ensure => running - ‘docker start $title’ ensure => stopped - ‘docker stop $title’ refresh action - stop, rm, create, start
Requires:
-
docker class
Sample Usage:
require docker
docker::container { 'logspout':
image => 'progrium/logspout',
command => "syslog://logs.example.com:22000",
volume => [ '/var/run/docker.sock:/tmp/docker.sock' ],
publish => [ '127.0.0.1:8000:8000' ],
hostname => $::fqdn,
dns => [ '8.8.8.8', '8.8.4.4' ],
}
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# File 'manifests/container.pp', line 47
define docker::container (
$image,
$ensure = 'present',
$attach = [],
$add_host = [],
$blkio_weight = undef,
$cap_add = [],
$cap_drop = [],
$cgroup_parent = undef,
$command = undef,
$cpu_period = undef,
$cpu_quota = undef,
$cpu_set = undef,
$cpuset_cpus = undef,
$cpuset_mems = undef,
$cpu_shares = undef,
$device = [],
$disable_content_trust = true,
$dns = [],
$dns_opt = [],
$dns_search = [],
$env = [],
$entrypoint = undef,
$env_file = [],
$expose = [],
$extra_parameters = [],
$hostname = undef,
$interactive = false,
$ipc = undef,
$kernel_memory = undef,
$label = [],
$lable_file = [],
$link = [],
$log_driver = undef,
$log_opt = [],
$lxc_conf = [],
$mac_address = undef,
$memory = undef,
$memory_limit = undef,
$memory_reservation = undef,
$memory_swap = undef,
$memory_swappiness = undef,
$net = undef,
$oom_kill_disable = false,
$pid = undef,
$publish = [],
$publish_all = false,
$privileged = false,
$read_only = false,
$restart = 'always',
$security_opt = [],
$stop_signal = undef,
$tty = false,
$ulimit = [],
$user = undef,
$uts = undef,
$volume = [],
$volumes_from = [],
$volume_driver = undef,
$workdir = undef,
) {
validate_array($attach)
validate_array($add_host)
validate_string($blkio_weight) #new docker 1.7.0
validate_array($cap_add)
validate_array($cap_drop)
validate_string($cgroup_parent) #new docker 1.6.0
#cidfile not needed
validate_string($command)
validate_string($cpu_set) #deprecated 1.6.0
validate_string($cpuset_cpus) #new docker 1.6.0
validate_string($cpuset_mems) #new docker 1.9.0
validate_string($cpu_period) #new docker 1.7.0
validate_string($cpu_quota) #new docker 1.7.0
validate_string($cpu_shares)
validate_array($device)
validate_bool($disable_content_trust) #new docker 1.9.0
validate_array($dns)
validate_array($dns_opt) #new docker 1.9.0
validate_array($dns_search)
validate_array($env)
validate_string($entrypoint)
validate_array($env_file)
validate_array($expose)
validate_string($hostname)
validate_bool($interactive)
validate_string($ipc) #new docker 1.6.0
validate_string($kernel_memory) #new docker 1.9.0
validate_array($label) #new docker 1.6.0
validate_array($lable_file) #new docker 1.6.0
validate_string($image)
validate_array($link)
validate_string($log_driver) #new docker 1.6.0
validate_array($log_opt) #new docker 1.7.0
validate_array($lxc_conf)
validate_string($mac_address) #new docker 1.6.0
validate_string($memory) #new docker 1.6.0
validate_string($memory_limit) #deprecated 1.6.0
validate_string($memory_reservation) #new docker 1.9.0
validate_string($memory_swap) #new docker 1.6.0
validate_string($memory_swappiness) #new docker 1.9.0
#name is always defined as title
validate_string($net)
validate_bool($oom_kill_disable) #new docker 1.7.0
validate_string($pid)
validate_array($publish)
validate_bool($publish_all)
validate_bool($privileged)
validate_bool($read_only) #new docker 1.6.0
validate_string($restart)
validate_array($security_opt)
validate_string($stop_signal) #new docker 1.9.0
validate_bool($tty)
validate_array($ulimit) #new docker 1.6.0
validate_string($user)
validate_string($uts) #new docker 1.7.0
validate_array($volume)
validate_string($volume_driver) #new docker 1.9.0
validate_array($volumes_from)
validate_string($workdir)
#Other params that docker create might add
validate_array($extra_parameters)
$config_dir = '/etc/docker'
$config_file = "${config_dir}/${title}.config"
if ($ensure == 'present'){
if (! defined(File[$config_dir])) {
file { $config_dir:
ensure => directory,
}
}
file { $config_file:
ensure => file,
mode => '0600',
content => template('docker/etc/docker/docker.config.erb'),
require => File[$config_dir],
notify => Service[$title],
}
service { $title:
ensure => running,
enable => true,
provider => 'docker',
manifest => $config_file,
require => File[$config_file],
}
}
if ($ensure == 'absent') {
file{ $config_file:
ensure => absent
}
service { $title:
enable => false,
provider => 'docker',
}
}
}
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