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chocolatey.rb
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#
# Copyright:: Copyright (c) Chef Software Inc.
# License:: Apache License, Version 2.0
#
# 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.
#
# This uses class variables on purpose to maintain a state cache between resources,
# since they work on shared state
#
# rubocop:disable Style/ClassVars
require_relative "../package"
require_relative "../../resource/chocolatey_package"
require_relative "../../win32/api/command_line_helper" if ChefUtils.windows?
require "zip" unless defined?(Zip)
class Chef
class Provider
class Package
class Chocolatey < Chef::Provider::Package
include Chef::ReservedNames::Win32::API::CommandLineHelper if ChefUtils.windows?
provides :chocolatey_package
# Declare that our arguments should be arrays
use_multipackage_api
PATHFINDING_POWERSHELL_COMMAND = "[System.Environment]::GetEnvironmentVariable('ChocolateyInstall', 'MACHINE')".freeze
CHOCO_MISSING_MSG = <<~EOS.freeze
Could not locate your Chocolatey install. To install chocolatey, we recommend
the 'chocolatey_installer' resource.
If Chocolatey is installed, ensure that the 'ChocolateyInstall' environment
variable is correctly set. You can verify this with the PowerShell command
'#{PATHFINDING_POWERSHELL_COMMAND}'.
EOS
# initialize our cache on load
@@choco_available_packages = nil
@@choco_config = nil
# Responsible for building the current_resource.
#
# @return [Chef::Resource::ChocolateyPackage] the current_resource
def load_current_resource
@current_resource = Chef::Resource::ChocolateyPackage.new(new_resource.name)
current_resource.package_name(new_resource.package_name)
current_resource.version(build_current_versions)
# Ensure that we have a working chocolatey executable - this used to be
# covered off by loading the resource, but since that's no longer required,
# we're going to put a quick check here to fail early!
choco_exe
current_resource
end
def define_resource_requirements
super
# The check that Chocolatey is installed is in #choco_exe.
# Chocolatey source property points to an alternate feed
# and not a package specific alternate source like other providers
# so we want to assert candidates exist for the alternate source
requirements.assert(:upgrade, :install) do |a|
a.assertion { candidates_exist_for_all_uninstalled? }
a.failure_message(Chef::Exceptions::Package, "No candidate version available for #{packages_missing_candidates.join(", ")}")
a.whyrun("Assuming a repository that offers #{packages_missing_candidates.join(", ")} would have been configured")
end
end
# Lazy initializer for candidate_version. A nil value means that there is no candidate
# version and the package is not installable (generally an error).
#
# @return [Array] list of candidate_versions indexed same as new_resource.package_name/version
def candidate_version
@candidate_version ||= build_candidate_versions
end
# Install multiple packages via choco.exe
#
# @param names [Array<String>] array of package names to install
# @param versions [Array<String>] array of versions to install
def install_package(names, versions)
name_versions_to_install = desired_name_versions.select { |n, v| lowercase_names(names).include?(n) }
name_nil_versions = name_versions_to_install.select { |n, v| v.nil? }
name_has_versions = name_versions_to_install.compact
# choco does not support installing multiple packages with version pins
name_has_versions.each do |name, version|
choco_command("install", "-y", "--version", version, cmd_args, name)
end
# but we can do all the ones without version pins at once
unless name_nil_versions.empty?
cmd_names = name_nil_versions.keys
choco_command("install", "-y", cmd_args, *cmd_names)
end
end
# Upgrade multiple packages via choco.exe
#
# @param names [Array<String>] array of package names to install
# @param versions [Array<String>] array of versions to install
def upgrade_package(names, versions)
name_versions_to_install = desired_name_versions.select { |n, v| lowercase_names(names).include?(n) }
name_nil_versions = name_versions_to_install.select { |n, v| v.nil? }
name_has_versions = name_versions_to_install.compact
# choco does not support installing multiple packages with version pins
name_has_versions.each do |name, version|
choco_command("upgrade", "-y", "--version", version, cmd_args, name)
end
# but we can do all the ones without version pins at once
unless name_nil_versions.empty?
cmd_names = name_nil_versions.keys
choco_command("upgrade", "-y", cmd_args, *cmd_names)
end
end
# Remove multiple packages via choco.exe
#
# @param names [Array<String>] array of package names to install
# @param versions [Array<String>] array of versions to install
def remove_package(names, versions)
choco_command("uninstall", "-y", cmd_args(include_source: false), *names)
end
# Choco does not have dpkg's distinction between purge and remove
alias purge_package remove_package
# Override the superclass check. The semantics for our new_resource.source is not files to
# install from, but like the rubygem provider's sources which are more like repos.
def check_resource_semantics!; end
def get_choco_version
# We need a different way to get the version than by simply calling "choco --version".
# If the license file is installed (for business customers) but not the Chocolatey.Extension (because you're using the choco resource to install it)
# then you get a license error. This method bypasses that by getting the version from the exe directly instead of invoking it.
# deprecated: @get_choco_version ||= powershell_exec!("#{choco_exe} --version").result
@get_choco_version ||= powershell_exec!("Get-ItemProperty #{choco_exe} | select-object -expandproperty versioninfo | select-object -expandproperty productversion").result
end
# Choco V2 uses 'Search' for remote repositories and 'List' for local packages
def query_command
return "list" if get_choco_version.match?(/^1/)
"search"
end
# invalidate cache for testing purposes
def invalidate_cache
@@choco_config = nil
end
# This checks that the repo list has not changed between now and when we last checked
# the cache
def cache_is_valid?
return false if @@choco_config.nil? || (actual_config != @@choco_config)
true
end
# Find the set of packages to ask the chocolatey server about
#
# if walk_resource_tree is true, this finds _all_ of the packages that
# we have referenced anywhere in our recipes - this is so we can
# attempt to query them all in a single transaction. However,
# currently we don't do that - see the comment on available_packages
# for details of the why, but the TL;DR is that the public chocolatey
# servers do not support `or` type queries properly.
#
# If walk_resource_tree is false, we don't do any of that - we just filter
# the package list based on cache data. This is the default due to reasons
# explained in the comment on available_packages - the goal is to eventually
# turn this back on, hence the default false parameter here.
#
# @return [Array] List of chocolatey packages referenced in the run list
def collect_package_requests(ignore_list: [], walk_resource_tree: false)
return ["*"] if new_resource.bulk_query || Chef::Config[:always_use_bulk_chocolatey_package_list]
if walk_resource_tree
# Get to the root of the resource collection
rc = run_context.parent_run_context || run_context
rc = rc.parent_run_context while rc.parent_run_context
package_collection = package_name_array
package_collection += nested_package_resources(rc.resource_collection)
else
package_collection = package_name_array
end
# downcase the array and uniq. sorted for easier testing...
package_collection.uniq.sort.filter { |pkg| !ignore_list.include?(pkg) }
end
private
def version_compare(v1, v2)
if v1 == "latest" || v2 == "latest"
return 0
end
gem_v1 = Gem::Version.new(v1)
gem_v2 = Gem::Version.new(v2)
gem_v1 <=> gem_v2
end
# Cache the configuration in order to ensure that we can check our
# package cache is valid for a run
def actual_config
config_path = ::File.join("#{choco_install_path}", "config", "chocolatey.config")
if ::File.exist?(config_path)
return ::File.read(config_path)
end
nil
end
# update the validity of the package cache
def set_package_cache
@@choco_config = actual_config
end
# Magic to find where chocolatey is installed in the system, and to
# return the full path of choco.exe
#
# @return [String] full path of choco.exe
def choco_exe
@choco_exe ||= begin
# if this check is in #define_resource_requirements, it won't get
# run before choco.exe gets called from #load_current_resource.
exe_path = ::File.join(choco_install_path, "bin", "choco.exe")
raise Chef::Exceptions::MissingLibrary, CHOCO_MISSING_MSG unless ::File.exist?(exe_path)
exe_path
end
end
# lets us mock out an incorrect value for testing.
def choco_install_path
@choco_install_path ||= begin
result = powershell_exec!(PATHFINDING_POWERSHELL_COMMAND).result
result = "" if result.empty?
result
end
end
def choco_lib_path
::File.join(choco_install_path, "lib")
end
# Helper to dispatch a choco command through shell_out using the timeout
# set on the new resource, with nice command formatting.
#
# @param args [String] variable number of string arguments
# @return [Mixlib::ShellOut] object returned from shell_out!
def choco_command(*args)
shell_out!(choco_exe, *args, returns: new_resource.returns)
end
# Use the available_packages Hash helper to create an array suitable for
# using in candidate_version
#
# @return [Array] list of candidate_version, same index as new_resource.package_name/version
def build_candidate_versions
new_resource.package_name.map do |package_name|
available_packages[package_name.downcase]
end
end
# Use the installed_packages Hash helper to create an array suitable for
# using in current_resource.version
#
# @return [Array] list of candidate_version, same index as new_resource.package_name/version
def build_current_versions
new_resource.package_name.map do |package_name|
installed_packages[package_name.downcase]
end
end
# Helper to construct Hash of names-to-versions, requested on the new_resource.
# If new_resource.version is nil, then all values will be nil.
#
# @return [Hash] Mapping of requested names to versions
def desired_name_versions
desired_versions = new_resource.version || new_resource.package_name.map { nil }
Hash[*lowercase_names(new_resource.package_name).zip(desired_versions).flatten]
end
def nested_package_resources(res)
package_collection = []
res.each do |child_res|
package_collection += nested_package_resources(child_res.resources)
next unless child_res.is_a?(Chef::Resource::ChocolateyPackage)
package_collection += child_res.package_name.flatten
end
package_collection
end
# Helper to construct optional args out of new_resource
#
# @param include_source [Boolean] should the source parameter be added
# @return [String] options from new_resource or empty string
def cmd_args(include_source: true)
cmd_args = new_resource.options.is_a?(String) ? command_line_to_argv_w_helper(new_resource.options) : Array(new_resource.options)
cmd_args += common_options(include_source: include_source)
cmd_args
end
# Available packages in chocolatey as a Hash of names mapped to versions
# If pinning a package to a specific version, filter out all non matching versions
# (names are downcased for case-insensitive matching)
#
# @return [Hash] name-to-version mapping of available packages
def available_packages
return @available_packages unless @available_packages.nil?
# @available_packages is per object - each resource is an object, meaning if you
# have a LOT of chocolatey package installs, then this quickly gets very slow.
# So we use @@choco_available_packages instead - BUT it's important to ensure that
# the cache is valid before you do this. There are two cache items that can change:
# a) the sources - we check this with cache_is_valid?
if cache_is_valid? && @@choco_available_packages.is_a?(Hash) &&
@@choco_available_packages[new_resource.list_options]
# Ensure we have the package names, or else double check...
need_redo = false
package_name_array.each do |pkg|
need_redo = true unless @@choco_available_packages[new_resource.list_options][pkg.downcase]
end
return @@choco_available_packages[new_resource.list_options] unless need_redo
end
if new_resource.list_options
Chef::Log.info("Fetching chocolatey package list with options #{new_resource.list_options.inspect}")
else
Chef::Log.info("Fetching chocolatey package list")
end
# Only reset the array if the cache is invalid - if we're just augmenting it, don't
# clear it
@@choco_available_packages = {} if @@choco_available_packages.nil? || !cache_is_valid?
if @@choco_available_packages[new_resource.list_options].nil?
@@choco_available_packages[new_resource.list_options] = {}
end
# This would previously grab 25 packages at a time, which previously worked - however,
# upstream changed and it turns out this was only working by accident - see
# https://github.com/chocolatey/choco/issues/2116 for this. So the TL;DR ends up
# being that this can be re-enabled when the chocolatey server actually supports an
# or operator. So it makes sense to leave the logic here for this split, while we
# work with upstream to get this to be a working feature there
#
# Foot guns: there is a --id-starts-with for chocolatey, which you'd think would work,
# but that actually fails on public chocolatey as well, because it seems to do the filtering
# locally. Which means it too will omit a lot of results (this is also corroborated by
# the 2116 issue above).
#
# collect_package_requests, however, continues to be useful here because it filters
# the already cached things from the list. However, for now it will no longer walk the
# resource tree until 2116 can be sorted out. When we regain that ability, we should
# re-evaluate this, since it does save a LOT of API requests!
collect_package_requests(
ignore_list: @@choco_available_packages[new_resource.list_options].keys
).each do |pkg_set|
available_versions =
begin
cmd = [ query_command, "-r" ]
# Chocolatey doesn't actually take a wildcard for this query, however
# it will return all packages when using '*' as a query
unless pkg_set == "*"
cmd << pkg_set
end
cmd += common_options
cmd.push( new_resource.list_options ) if new_resource.list_options
Chef::Log.debug("Choco List Command: #{cmd}")
raw = parse_list_output(*cmd)
raw.keys.each_with_object({}) do |name, available|
available[name] = desired_name_versions[name] || raw[name]
end
end
@@choco_available_packages[new_resource.list_options].merge!(available_versions)
end
# Mark the cache as valid, with the required metadata
set_package_cache
# Why both? So when we fail to find a package once, we don't try on every
# retry, even though it would be reasonable to do so if queried in another
# resource (because the chocolatey configuration may well have changed!)
@available_packages = @@choco_available_packages[new_resource.list_options]
end
# Installed packages in chocolatey as a Hash of names mapped to versions
# (names are downcased for case-insensitive matching). Depending on the user
# preference, we get these either from the local database, or from the choco
# list command
#
# @return [Hash] name-to-version mapping of installed packages
def installed_packages
# Logic here must be either use_choco_list is false _and_ always_use_choco_list is
# falsy, since the global overrides the local
if new_resource.use_choco_list == false && !Chef::Config[:always_use_choco_list]
installed_packages_via_disk
else
installed_packages_via_choco
end
end
# Beginning with Choco 2.0, "list" returns local packages only while "search" returns packages from external package sources
#
# @return [Hash] name-to-version mapping of installed packages
def installed_packages_via_choco
@installed_packages ||= Hash[*parse_list_output("list", "-l", "-r").flatten]
@installed_packages
end
# Return packages sourced from the local disk - because this doesn't have
# shell out overhead, this ends up being a significant performance win
# vs calling choco list
#
# @return [Hash] name-to-version mapping of installed packages
def installed_packages_via_disk
@installed_packages ||= begin
targets = new_resource.name
target_dirs = []
# If we're using a single package name, have it at the head of the list
# so we can get more performance. In either case, the
# array is filled by the call to `get_local_pkg_dirs` below - but
# that contains all possible package folders, and so we push our
# guess to the front as an optimization.
target_dirs << targets.first.downcase if targets.length == 1
if targets.is_a?(String)
target_dirs << targets.downcase
end
target_dirs += get_local_pkg_dirs(choco_lib_path)
fetch_package_versions(choco_lib_path, target_dirs, targets)
end
end
# Grab the nupkg folder list
def get_local_pkg_dirs(base_dir)
return [] unless Dir.exist?(base_dir)
Dir.entries(base_dir).select do |dir|
::File.directory?(::File.join(base_dir, dir)) && !dir.start_with?(".")
end
end
# Helper to convert choco.exe list output to a Hash
# (names are downcased for case-insensitive matching)
#
# @param cmd [String] command to run
# @return [Hash] list output converted to ruby Hash
def parse_list_output(*args)
hash = {}
choco_command(*args).stdout.each_line do |line|
next if line.start_with?("Chocolatey v")
name, version = line.split("|")
hash[name.downcase] = version&.chomp
end
hash
end
# Helper to downcase all names in an array
#
# @param names [Array] original mixed case names
# @return [Array] same names in lower case
def lowercase_names(names)
names.map(&:downcase)
end
def common_options(include_source: true)
args = []
args.push( [ "-source", new_resource.source ] ) if new_resource.source && include_source
args.push( [ "--user", new_resource.user ] ) if new_resource.user
args.push( [ "--password", new_resource.password ]) if new_resource.password
args
end
# Fetch the local package versions from chocolatey
def fetch_package_versions(base_dir, target_dirs, targets)
pkg_versions = {}
targets = [targets] if targets.is_a?(String)
target_dirs.each do |dir|
pkg_versions.merge!(get_pkg_data(::File.join(base_dir, dir)))
# return early if we found the single package version we were looking for
return pkg_versions if targets.length == 1 && pkg_versions[targets.first]
end
pkg_versions
end
# Grab the locally installed packages from the nupkg list
# rather than shelling out to chocolatey
def get_pkg_data(path)
t = ::File.join(path, "*.nupkg").gsub("\\", "/")
targets = Dir.glob(t)
# Extract package version from the first nuspec file in this nupkg
targets.each do |target|
Zip::File.open(target) do |zip_file|
zip_file.each do |entry|
next unless entry.name.end_with?(".nuspec")
f = entry.get_input_stream
doc = REXML::Document.new(f.read.to_s)
f.close
id = doc.elements["package/metadata/id"]
version = doc.elements["package/metadata/version"]
return { id.text.to_s.downcase => version.text } if id && version
end
end
end
{}
rescue StandardError => e
Chef::Log.warn("Failed to get package info for #{path}: #{e}")
{}
end
end
end
end
end
# rubocop:enable Style/ClassVars