/
pear.rb
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/
pear.rb
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#
# Author:: Seth Chisamore <schisamo@opscode.com>
# Cookbook Name:: php
# Provider:: pear_package
#
# Copyright:: 2011, Opscode, Inc <legal@opscode.com>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'chef/mixin/shell_out'
require 'chef/mixin/language'
include Chef::Mixin::ShellOut
# the logic in all action methods mirror that of
# the Chef::Provider::Package which will make
# refactoring into core chef easy
def whyrun_supported?
true
end
action :install do
# If we specified a version, and it's not the current version, move to the specified version
install_version = @new_resource.version unless @new_resource.version.nil? || @new_resource.version == @current_resource.version
# If it's not installed at all or an upgrade, install it
if install_version || @current_resource.version.nil?
description = "install package #{@new_resource} #{install_version}"
converge_by(description) do
info_output = "Installing #{@new_resource}"
info_output << " version #{install_version}" if install_version && !install_version.empty?
Chef::Log.info(info_output)
status = install_package(@new_resource.package_name, install_version)
end
end
end
action :upgrade do
if @current_resource.version != candidate_version
orig_version = @current_resource.version || 'uninstalled'
description = "upgrade package #{@new_resource} version from #{orig_version} to #{candidate_version}"
converge_by(description) do
Chef::Log.info("Upgrading #{@new_resource} version from #{orig_version} to #{candidate_version}")
status = upgrade_package(@new_resource.package_name, candidate_version)
end
end
end
action :remove do
if removing_package?
description = "remove package #{@new_resource}"
converge_by(description) do
Chef::Log.info("Removing #{@new_resource}")
remove_package(@current_resource.package_name, @new_resource.version)
end
else
end
end
action :purge do
if removing_package?
description = "purge package #{@new_resource}"
converge_by(description) do
Chef::Log.info("Purging #{@new_resource}")
purge_package(@current_resource.package_name, @new_resource.version)
end
end
end
def removing_package?
if @current_resource.version.nil?
false # nothing to remove
elsif @new_resource.version.nil?
true # remove any version of a package
elsif @new_resource.version == @current_resource.version
true # remove the version we have
else
false # we don't have the version we want to remove
end
end
def expand_options(options)
options ? " #{options}" : ''
end
# these methods are the required overrides of
# a provider that extends from Chef::Provider::Package
# so refactoring into core Chef should be easy
def load_current_resource
@current_resource = Chef::Resource::PhpPear.new(@new_resource.name)
@current_resource.package_name(@new_resource.package_name)
@bin = node['php']['pear']
if pecl?
Chef::Log.debug("#{@new_resource} smells like a pecl...installing package in Pecl mode.")
@bin = node['php']['pecl']
end
Chef::Log.debug("#{@current_resource}: Installed version: #{current_installed_version} Candidate version: #{candidate_version}")
unless current_installed_version.nil?
@current_resource.version(current_installed_version)
Chef::Log.debug("Current version is #{@current_resource.version}") if @current_resource.version
end
@current_resource
end
def current_installed_version
@current_installed_version ||= begin
v = nil
version_check_cmd = "#{@bin} -d "
version_check_cmd << " preferred_state=#{can_haz(@new_resource, "preferred_state")}"
version_check_cmd << " list#{expand_channel(can_haz(@new_resource, "channel"))}"
p = shell_out(version_check_cmd)
response = nil
response = grep_for_version(p.stdout, @new_resource.package_name) if p.stdout =~ /\.?Installed packages/i
response
end
end
def candidate_version
@candidate_version ||= begin
candidate_version_cmd = "#{@bin} -d "
candidate_version_cmd << "preferred_state=#{can_haz(@new_resource, "preferred_state")}"
candidate_version_cmd << " search#{expand_channel(can_haz(@new_resource, "channel"))}"
candidate_version_cmd << "#{@new_resource.package_name}"
p = shell_out(candidate_version_cmd)
response = nil
response = grep_for_version(p.stdout, @new_resource.package_name) if p.stdout =~ /\.?Matched packages/i
response
end
end
def install_package(name, version)
command = "echo \"\r\" | #{@bin} -d"
command << " preferred_state=#{can_haz(@new_resource, "preferred_state")}"
command << " install -a#{expand_options(@new_resource.options)}"
command << " #{prefix_channel(can_haz(@new_resource, "channel"))}#{name}"
command << "-#{version}" if version && !version.empty?
pear_shell_out(command)
manage_pecl_ini(name, :create, can_haz(@new_resource, 'directives'), can_haz(@new_resource, 'zend_extensions')) if pecl?
end
def upgrade_package(name, version)
command = "echo \"\r\" | #{@bin} -d"
command << " preferred_state=#{can_haz(@new_resource, "preferred_state")}"
command << " upgrade -a#{expand_options(@new_resource.options)}"
command << " #{prefix_channel(can_haz(@new_resource, "channel"))}#{name}"
command << "-#{version}" if version && !version.empty?
pear_shell_out(command)
manage_pecl_ini(name, :create, can_haz(@new_resource, 'directives'), can_haz(@new_resource, 'zend_extensions')) if pecl?
end
def remove_package(name, version)
command = "#{@bin} uninstall"
command << " #{expand_options(@new_resource.options)}"
command << " #{prefix_channel(can_haz(@new_resource, "channel"))}#{name}"
command << "-#{version}" if version && !version.empty?
pear_shell_out(command)
manage_pecl_ini(name, :delete) if pecl?
end
def pear_shell_out(command)
p = shell_out!(command)
# pear/pecl commands return a 0 on failures...we'll grep for it
p.invalid! if p.stdout.split('\n').last =~ /^ERROR:.+/i
p
end
def purge_package(name, version)
remove_package(name, version)
end
def expand_channel(channel)
channel ? " -c #{channel}" : ''
end
def prefix_channel(channel)
channel ? "#{channel}/" : ''
end
def get_extension_dir
@extension_dir ||= begin
# Consider using "pecl config-get ext_dir". It is more cross-platform.
# p = shell_out("php-config --extension-dir")
p = shell_out("#{node['php']['pecl']} config-get ext_dir")
p.stdout.strip
end
end
def get_extension_files(name)
files = []
p = shell_out("#{@bin} list-files #{name}")
p.stdout.each_line.grep(/^src\s+.*\.so$/i).each do |line|
files << line.split[1]
end
files
end
def manage_pecl_ini(name, action, directives, zend_extensions)
ext_prefix = get_extension_dir
ext_prefix << ::File::SEPARATOR if ext_prefix[-1].chr != ::File::SEPARATOR
files = get_extension_files(name)
extensions = Hash[
files.map do |filepath|
rel_file = filepath.clone
rel_file.slice! ext_prefix if rel_file.start_with? ext_prefix
zend = zend_extensions.include?(rel_file)
[(zend ? filepath : rel_file) , zend]
end
]
template "#{node['php']['ext_conf_dir']}/#{name}.ini" do
source 'extension.ini.erb'
cookbook 'php'
owner 'root'
group 'root'
mode '0644'
variables(:name => name, :extensions => extensions, :directives => directives)
action action
end
end
def grep_for_version(stdout, package)
v = nil
stdout.split(/\n/).grep(/^#{package}\s/i).each do |m|
# XML_RPC 1.5.4 stable
# mongo 1.1.4/(1.1.4 stable) 1.1.4 MongoDB database driver
# Horde_Url -n/a-/(1.0.0beta1 beta) Horde Url class
# Horde_Url 1.0.0beta1 (beta) 1.0.0beta1 Horde Url class
v = m.split(/\s+/)[1].strip
if v.split(/\//)[0] =~ /.\./
# 1.1.4/(1.1.4 stable)
v = v.split(/\//)[0]
else
# -n/a-/(1.0.0beta1 beta)
v = v.split(/(.*)\/\((.*)/).last.split(/\s/)[0]
end
end
v
end
def pecl?
@pecl ||=
begin
# search as a pear first since most 3rd party channels will report pears as pecls!
search_args = String.new
search_args << " -d preferred_state=#{can_haz(@new_resource, "preferred_state")}"
search_args << " search#{expand_channel(can_haz(@new_resource, "channel"))} #{@new_resource.package_name}"
if grep_for_version(shell_out(node['php']['pear'] + search_args).stdout, @new_resource.package_name)
false
elsif grep_for_version(shell_out(node['php']['pecl'] + search_args).stdout, @new_resource.package_name)
true
else
fail "Package #{@new_resource.package_name} not found in either PEAR or PECL."
end
end
end
# TODO: remove when provider is moved into Chef core
# this allows PhpPear to work with Chef::Resource::Package
def can_haz(resource, attribute_name)
resource.respond_to?(attribute_name) ? resource.send(attribute_name) : nil
end