class Chef::Provider::Package::Dnf
Public Instance Methods
# File lib/chef/provider/package/dnf.rb, line 95 def candidate_version package_name_array.each_with_index.map do |pkg, i| available_version(i).version_with_arch end end
Chef::Provider::Package#define_resource_requirements
# File lib/chef/provider/package/dnf.rb, line 85 def define_resource_requirements requirements.assert(:install, :upgrade, :remove, :purge) do |a| a.assertion { !new_resource.source || ::File.exist?(new_resource.source) } a.failure_message Chef::Exceptions::Package, "Package #{new_resource.package_name} not found: #{new_resource.source}" a.whyrun "assuming #{new_resource.source} would have previously been created" end super end
# File lib/chef/provider/package/dnf.rb, line 107 def get_current_versions package_name_array.each_with_index.map do |pkg, i| current_version(i).version_with_arch end end
# File lib/chef/provider/package/dnf.rb, line 113 def install_package(names, versions) if new_resource.source dnf(options, "-y", "install", new_resource.source) else resolved_names = names.each_with_index.map { |name, i| available_version(i).to_s unless name.nil? } dnf(options, "-y", "install", resolved_names) end flushcache end
# File lib/chef/provider/package/dnf.rb, line 75 def load_after_resource # force the installed version array to repopulate @current_version = [] @after_resource = Chef::Resource::DnfPackage.new(new_resource.name) after_resource.package_name(new_resource.package_name) after_resource.version(get_current_versions) after_resource end
# File lib/chef/provider/package/dnf.rb, line 65 def load_current_resource flushcache if new_resource.flush_cache[:before] @current_resource = Chef::Resource::DnfPackage.new(new_resource.name) current_resource.package_name(new_resource.package_name) current_resource.version(get_current_versions) current_resource end
NB: the dnf_package provider manages individual single packages, please do not submit issues or PRs to try to add wildcard support to lock / unlock. The best solution is to write an execute resource which does a not_if `dnf versionlock | grep '^pattern“ kind of approach
# File lib/chef/provider/package/dnf.rb, line 140 def lock_package(names, versions) dnf("-d0", "-e0", "-y", options, "versionlock", "add", resolved_package_lock_names(names)) end
# File lib/chef/provider/package/dnf.rb, line 101 def magic_version package_name_array.each_with_index.map do |pkg, i| magical_version(i).version_with_arch end end
Most of the magic in this class happens in the python helper script. The ruby side of this provider knows only enough to translate Chef-style new_resource name+package+version into a request to the python side. The python side is then responsible for knowing everything about RPMs and what is installed and what is available. The ruby side of this class should remain a lightweight translation layer to translate Chef
requests into RPC requests to python. This class knows nothing about how to compare RPM versions, and does not maintain any cached state of installed/available versions and should be kept that way.
# File lib/chef/provider/package/dnf.rb, line 61 def python_helper @python_helper ||= PythonHelper.instance end
# File lib/chef/provider/package/dnf.rb, line 126 def remove_package(names, versions) resolved_names = names.each_with_index.map { |name, i| magical_version(i).to_s unless name.nil? } dnf(options, "-y", "remove", resolved_names) flushcache end
NB: the dnf_package provider manages individual single packages, please do not submit issues or PRs to try to add wildcard support to lock / unlock. The best solution is to write an execute resource which does a only_if `dnf versionlock | grep '^pattern“ kind of approach
# File lib/chef/provider/package/dnf.rb, line 146 def unlock_package(names, versions) # dnf versionlock delete on rhel6 needs the glob nonsense in the following command dnf("-d0", "-e0", "-y", options, "versionlock", "delete", resolved_package_lock_names(names).map { |n| "*:#{n}-*" }) end
dnf upgrade does not work on uninstalled packaged, while install will upgrade
Private Instance Methods
@return Array<Version>
# File lib/chef/provider/package/dnf.rb, line 212 def available_version(index) @available_version ||= [] @available_version[index] ||= if new_resource.source resolve_source_to_version_obj else python_helper.package_query(:whatavailable, package_name_array[index], version: safe_version_array[index], arch: safe_arch_array[index], options: options) end @available_version[index] end
# File lib/chef/provider/package/dnf.rb, line 235 def current_version(index) @current_version ||= [] @current_version[index] ||= if new_resource.source python_helper.package_query(:whatinstalled, available_version(index).name, arch: safe_arch_array[index], options: options) else python_helper.package_query(:whatinstalled, package_name_array[index], arch: safe_arch_array[index], options: options) end @current_version[index] end
# File lib/chef/provider/package/dnf.rb, line 252 def dnf(*args) shell_out!("dnf", *args) end
cache flushing is accomplished by simply restarting the python helper. this produces a roughly 15% hit to the runtime of installing/removing/upgrading packages. correctly using multipackage array installs (and the multipackage cookbook) can produce 600% improvements in runtime.
# File lib/chef/provider/package/dnf.rb, line 248 def flushcache python_helper.restart end
# File lib/chef/provider/package/dnf.rb, line 166 def locked_packages @locked_packages ||= begin locked = dnf("versionlock", "list") locked.stdout.each_line.map do |line| line.sub(/-[^-]*-[^-]*$/, "").split(":").last.strip end end end
@return [Array<Version>]
# File lib/chef/provider/package/dnf.rb, line 225 def magical_version(index) @magical_version ||= [] @magical_version[index] ||= if new_resource.source python_helper.package_query(:whatinstalled, available_version(index).name, version: safe_version_array[index], arch: safe_arch_array[index], options: options) else python_helper.package_query(:whatinstalled, package_name_array[index], version: safe_version_array[index], arch: safe_arch_array[index], options: options) end @magical_version[index] end
# File lib/chef/provider/package/dnf.rb, line 176 def packages_all_locked?(names, versions) resolved_package_lock_names(names).all? { |n| locked_packages.include? n } end
# File lib/chef/provider/package/dnf.rb, line 180 def packages_all_unlocked?(names, versions) !resolved_package_lock_names(names).any? { |n| locked_packages.include? n } end
# File lib/chef/provider/package/dnf.rb, line 200 def resolve_source_to_version_obj shell_out!("rpm -qp --queryformat '%{NAME} %{EPOCH} %{VERSION} %{RELEASE} %{ARCH}\n' #{new_resource.source}").stdout.each_line do |line| # this is another case of committing the sin of doing some lightweight mangling of RPM versions in ruby -- but the output of the rpm command # does not match what the yum library accepts. case line when /^(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)$/ return Version.new($1, "#{$2 == "(none)" ? "0" : $2}:#{$3}-#{$4}", $5) end end end
this will resolve things like `/usr/bin/perl` or virtual packages like `mysql` – it will not work (well? at all?) with globs that match multiple packages
# File lib/chef/provider/package/dnf.rb, line 154 def resolved_package_lock_names(names) names.each_with_index.map do |name, i| unless name.nil? if magical_version(i).version.nil? available_version(i).name else magical_version(i).name end end end end
# File lib/chef/provider/package/dnf.rb, line 266 def safe_arch_array if new_resource.arch.is_a?(Array) new_resource.arch elsif new_resource.arch.nil? package_name_array.map { nil } else [ new_resource.arch ] end end
# File lib/chef/provider/package/dnf.rb, line 256 def safe_version_array if new_resource.version.is_a?(Array) new_resource.version elsif new_resource.version.nil? package_name_array.map { nil } else [ new_resource.version ] end end
# File lib/chef/provider/package/dnf.rb, line 196 def version_compare(v1, v2) python_helper.compare_versions(v1, v2) end
# File lib/chef/provider/package/dnf.rb, line 190 def version_equals?(v1, v2) return false if v1.nil? || v2.nil? python_helper.compare_versions(v1, v2) == 0 end
# File lib/chef/provider/package/dnf.rb, line 184 def version_gt?(v1, v2) return false if v1.nil? || v2.nil? python_helper.compare_versions(v1, v2) == 1 end