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install.pp
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# == Class: docker
#
# Module to install an up-to-date version of Docker from a package repository.
# This module currently works only on Debian, Red Hat
# and Archlinux based distributions.
#
class docker::install {
$docker_start_command = $docker::docker_start_command
validate_string($docker::version)
validate_re($::osfamily, '^(Debian|RedHat|Archlinux|Gentoo)$',
'This module only works on Debian or Red Hat based systems or on Archlinux as on Gentoo.')
validate_bool($docker::use_upstream_package_source)
if $docker::version and $docker::ensure != 'absent' {
$ensure = $docker::version
} else {
$ensure = $docker::ensure
}
case $::osfamily {
'Debian': {
if $::operatingsystem == 'Ubuntu' {
case $::operatingsystemrelease {
# On Ubuntu 12.04 (precise) install the backported 13.10 (saucy) kernel
'12.04': { $kernelpackage = [
'linux-image-generic-lts-trusty',
'linux-headers-generic-lts-trusty'
]
}
# determine the package name for 'linux-image-extra-$(uname -r)' based
# on the $::kernelrelease fact
default: { $kernelpackage = "linux-image-extra-${::kernelrelease}" }
}
$manage_kernel = $docker::manage_kernel
} else {
# Debian does not need extra kernel packages
$manage_kernel = false
}
}
'RedHat': {
if $::operatingsystem == 'Amazon' {
if versioncmp($::operatingsystemrelease, '3.10.37-47.135') < 0 {
fail('Docker needs Amazon version to be at least 3.10.37-47.135.')
}
}
elsif versioncmp($::operatingsystemrelease, '6.5') < 0 {
fail('Docker needs RedHat/CentOS version to be at least 6.5.')
}
$manage_kernel = false
}
default: {}
}
if $manage_kernel {
package { $kernelpackage:
ensure => present,
}
if $docker::manage_package {
Package[$kernelpackage] -> Package['docker']
}
}
if $docker::manage_package {
if empty($docker::repo_opt) {
$docker_hash = {}
} else {
$docker_hash = { 'install_options' => $docker::repo_opt }
}
if $docker::package_source {
case $::osfamily {
'Debian' : {
$pk_provider = 'dpkg'
}
'RedHat' : {
$pk_provider = 'rpm'
}
'Gentoo' : {
$pk_provider = 'portage'
}
default : {
$pk_provider = undef
}
}
case $docker::package_source {
/docker-engine/ : {
ensure_resource('package', 'docker', merge($docker_hash, {
ensure => $ensure,
provider => $pk_provider,
source => $docker::package_source,
name => $docker::docker_engine_package_name,
}))
}
/docker-ce/ : {
ensure_resource('package', 'docker', merge($docker_hash, {
ensure => $ensure,
provider => $pk_provider,
source => $docker::package_source,
name => $docker::docker_ce_package_name,
}))
}
default : {}
}
} else {
ensure_resource('package', 'docker', merge($docker_hash, {
ensure => $ensure,
name => $docker::docker_package_name,
}))
}
}
}

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