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|
# == Define: python::pip
#
# Installs and manages packages from pip.
#
# === Parameters
#
# [*ensure*]
# present|absent. Default: present
#
# [*virtualenv*]
# virtualenv to run pip in.
#
# [*url*]
# URL to install from. Default: none
#
# [*owner*]
# The owner of the virtualenv being manipulated. Default: root
#
# [*proxy*]
# Proxy server to use for outbound connections. Default: none
#
# [*environment*]
# Additional environment variables required to install the packages. Default: none
#
# === Examples
#
# python::pip { 'flask':
# virtualenv => '/var/www/project1',
# proxy => 'http://proxy.domain.com:3128',
# }
#
# === Authors
#
# Sergey Stankevich
# Fotis Gimian
#
define python::pip (
$ensure = present,
$virtualenv = 'system',
$url = false,
$owner = 'root',
$proxy = false,
$egg = false,
$environment = [],
$install_args = '',
$uninstall_args = '',
) {
# Parameter validation
if ! $virtualenv {
fail('python::pip: virtualenv parameter must not be empty')
}
if $virtualenv == 'system' and $owner != 'root' {
fail('python::pip: root user must be used when virtualenv is system')
}
$cwd = $virtualenv ? {
'system' => '/',
default => "${virtualenv}",
}
$pip_env = $virtualenv ? {
'system' => 'pip',
default => "${virtualenv}/bin/pip",
}
$proxy_flag = $proxy ? {
false => '',
default => "--proxy=${proxy}",
}
$grep_regex = $name ? {
/==/ => "^${name}\$",
default => "^${name}==",
}
$egg_name = $egg ? {
false => $name,
default => $egg
}
$source = $url ? {
false => $name,
default => "${url}#egg=${egg_name}",
}
# Python 2.6 and older does not support setuptools/distribute > 0.8 which
# is required for pip wheel support, pip therefor requires --no-use-wheel flag
# if the # pip version is more recent than 1.4.1 but using an old python or
# setuputils/distribute version
# To check for this we test for wheel parameter using help and then using
# version, this makes sure we only use wheels if they are supported
case $ensure {
present: {
exec { "pip_install_${name}":
command => "$pip_env wheel --help > /dev/null 2>&1 && { pip wheel --version > /dev/null 2>&1 || wheel_support_flag='--no-use-wheel'; } ; $pip_env --log ${cwd}/pip.log install $install_args \$wheel_support_flag ${proxy_flag} ${source}",
unless => "$pip_env freeze | grep -i -e ${grep_regex}",
user => $owner,
environment => $environment,
path => ["/usr/local/bin","/usr/bin","/bin", "/usr/sbin"],
}
}
latest: {
exec { "pip_install_${name}":
command => "$pip_env wheel --help > /dev/null 2>&1&& { pip wheel --version > /dev/null 2>&1 || wheel_support_flag='--no-use-wheel'; } ; $pip_env --log ${cwd}/pip.log install --upgrade \$wheel_support_flag ${proxy_flag} ${source}",
user => $owner,
environment => $environment,
path => ["/usr/local/bin","/usr/bin","/bin", "/usr/sbin"],
}
}
latest: {
exec { "pip_install_${name}":
command => "$pip_env wheel --help > /dev/null 2>&1&& { pip wheel --version > /dev/null 2>&1 || wheel_support_flag='--no-use-wheel'; } ; $pip_env --log ${cwd}/pip.log install -U $install_args \$wheel_support_flag ${proxy_flag} ${source}",
user => $owner,
environment => $environment,
}
}
default: {
exec { "pip_uninstall_${name}":
command => "echo y | $pip_env uninstall $uninstall_args ${wheel_support_flag} ${proxy_flag} ${name}",
onlyif => "$pip_env freeze | grep -i -e ${grep_regex}",
user => $owner,
environment => $environment,
path => ["/usr/local/bin","/usr/bin","/bin", "/usr/sbin"],
}
}
}
}
|
