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# File 'manifests/virtualenv.pp', line 33
define python::virtualenv (
$ensure = 'present',
$version = 'system',
$requirements = false,
$systempkgs = false,
$venv_dir = $name,
$ensure_venv_dir = true,
$distribute = true,
$index = false,
$owner = 'root',
$group = 'root',
$mode = '0755',
Optional[Stdlib::HTTPUrl] $proxy = undef,
$environment = [],
$path = ['/bin', '/usr/bin', '/usr/sbin', '/usr/local/bin'],
$cwd = undef,
$timeout = 1800,
$pip_args = '',
$extra_pip_args = '',
$virtualenv = undef,
) {
include python
$python_provider = getparam(Class['python'], 'provider')
$anaconda_path = getparam(Class['python'], 'anaconda_install_path')
if $ensure == 'present' {
$python = $version ? {
'system' => 'python',
'pypy' => 'pypy',
default => "python${version}",
}
$_path = $python_provider ? {
'anaconda' => concat(["${anaconda_path}/bin"], $path),
default => $path,
}
if $virtualenv == undef {
$used_virtualenv = 'virtualenv'
} else {
$used_virtualenv = $virtualenv
}
$proxy_flag = $proxy ? {
false => '',
default => "--proxy=${proxy}",
}
$proxy_hash = $proxy ? {
undef => {},
default => $facts['os']['family'] ? {
'AIX' => { 'http_proxy' => $proxy, 'https_proxy' => $proxy },
default => { 'HTTP_PROXY' => $proxy, 'HTTPS_PROXY' => $proxy },
}
}
# Virtualenv versions prior to 1.7 do not support the
# --system-site-packages flag, default off for prior versions
# Prior to version 1.7 the default was equal to --system-site-packages
# and the flag --no-site-packages had to be passed to do the opposite
$_virtualenv_version = getvar('virtualenv_version') ? {
/.*/ => getvar('virtualenv_version'),
default => '',
}
if (( versioncmp($_virtualenv_version,'1.7') > 0 ) and ( $systempkgs == true )) {
$system_pkgs_flag = '--system-site-packages'
} elsif (( versioncmp($_virtualenv_version,'1.7') < 0 ) and ( $systempkgs == false )) {
$system_pkgs_flag = '--no-site-packages'
} else {
$system_pkgs_flag = $systempkgs ? {
true => '--system-site-packages',
false => '--no-site-packages',
default => fail('Invalid value for systempkgs. Boolean value is expected')
}
}
$distribute_pkg = $distribute ? {
true => 'distribute',
default => 'setuptools',
}
$pypi_index = $index ? {
false => '',
default => "-i ${index}",
}
# 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
if $ensure_venv_dir {
file { $venv_dir:
ensure => directory,
owner => $owner,
group => $group,
mode => $mode,
}
}
$virtualenv_cmd = "${python::exec_prefix}${used_virtualenv}"
$pip_cmd = "${python::exec_prefix}${venv_dir}/bin/pip"
$pip_flags = "${pypi_index} ${proxy_flag} ${pip_args}"
exec { "python_virtualenv_${venv_dir}":
command => "${virtualenv_cmd} ${system_pkgs_flag} -p ${python} ${venv_dir} && ${pip_cmd} --log ${venv_dir}/pip.log install ${pip_flags} --upgrade pip && ${pip_cmd} install ${pip_flags} --upgrade ${distribute_pkg}",
user => $owner,
creates => "${venv_dir}/bin/activate",
path => $_path,
cwd => '/tmp',
environment => (Hash($environment.map |$val| { $val.split(/=|$/) }) + $proxy_hash).map|$key, $val| { "${key}=${val}" },
unless => "grep '^[\\t ]*VIRTUAL_ENV=[\\\\'\\\"]*${venv_dir}[\\\"\\\\'][\\t ]*$' ${venv_dir}/bin/activate", #Unless activate exists and VIRTUAL_ENV is correct we re-create the virtualenv
require => File[$venv_dir],
}
if $requirements {
exec { "python_requirements_initial_install_${requirements}_${venv_dir}":
command => "${pip_cmd} --log ${venv_dir}/pip.log install ${pypi_index} ${proxy_flag} --no-binary :all: -r ${requirements} ${extra_pip_args}",
refreshonly => true,
timeout => $timeout,
user => $owner,
subscribe => Exec["python_virtualenv_${venv_dir}"],
environment => $environment,
cwd => $cwd,
}
python::requirements { "${requirements}_${venv_dir}":
requirements => $requirements,
virtualenv => $venv_dir,
proxy => $proxy,
owner => $owner,
group => $group,
cwd => $cwd,
require => Exec["python_virtualenv_${venv_dir}"],
extra_pip_args => $extra_pip_args,
}
}
} elsif $ensure == 'absent' {
file { $venv_dir:
ensure => absent,
force => true,
recurse => true,
purge => true,
}
}
}
|