class Chef::Provider::Package::Apt
Public Class Methods
new(new_resource, run_context)
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Calls superclass method
Chef::Provider::Package.new
# File lib/chef/provider/package/apt.rb, line 31 def initialize(new_resource, run_context) super end
Public Instance Methods
candidate_version()
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# File lib/chef/provider/package/apt.rb, line 69 def candidate_version @candidate_version ||= get_candidate_versions end
define_resource_requirements()
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Calls superclass method
Chef::Provider::Package#define_resource_requirements
# File lib/chef/provider/package/apt.rb, line 42 def define_resource_requirements super requirements.assert(:all_actions) do |a| a.assertion { !new_resource.source } a.failure_message(Chef::Exceptions::Package, "apt package provider cannot handle source attribute. Use dpkg provider instead") end end
get_candidate_versions()
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# File lib/chef/provider/package/apt.rb, line 63 def get_candidate_versions package_name_array.map do |package_name| package_data[package_name][:candidate_version] end end
get_current_versions()
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# File lib/chef/provider/package/apt.rb, line 57 def get_current_versions package_name_array.map do |package_name| package_data[package_name][:current_version] end end
install_package(name, version)
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# File lib/chef/provider/package/apt.rb, line 81 def install_package(name, version) package_name = name.zip(version).map do |n, v| package_data[n][:virtual] ? n : "#{n}=#{v}" end run_noninteractive("apt-get", "-q", "-y", config_file_options, default_release_options, options, "install", package_name) end
load_current_resource()
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# File lib/chef/provider/package/apt.rb, line 35 def load_current_resource @current_resource = Chef::Resource::AptPackage.new(new_resource.name) current_resource.package_name(new_resource.package_name) current_resource.version(get_current_versions) current_resource end
lock_package(name, version)
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# File lib/chef/provider/package/apt.rb, line 116 def lock_package(name, version) run_noninteractive("apt-mark", options, "hold", name) end
package_data()
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# File lib/chef/provider/package/apt.rb, line 51 def package_data @package_data ||= Hash.new do |hash, key| hash[key] = package_data_for(key) end end
package_locked(name, version)
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# File lib/chef/provider/package/apt.rb, line 73 def package_locked(name, version) locked = shell_out_compact_timeout!("apt-mark", "showhold") locked_packages = locked.stdout.each_line.map do |line| line.strip end name.all? { |n| locked_packages.include? n } end
preseed_package(preseed_file)
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# File lib/chef/provider/package/apt.rb, line 106 def preseed_package(preseed_file) logger.info("#{new_resource} pre-seeding package installation instructions") run_noninteractive("debconf-set-selections", preseed_file) end
purge_package(name, version)
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# File lib/chef/provider/package/apt.rb, line 99 def purge_package(name, version) package_name = name.map do |n| package_data[n][:virtual] ? resolve_virtual_package_name(n) : n end run_noninteractive("apt-get", "-q", "-y", options, "purge", package_name) end
reconfig_package(name, version)
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# File lib/chef/provider/package/apt.rb, line 111 def reconfig_package(name, version) logger.info("#{new_resource} reconfiguring") run_noninteractive("dpkg-reconfigure", name) end
remove_package(name, version)
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# File lib/chef/provider/package/apt.rb, line 92 def remove_package(name, version) package_name = name.map do |n| package_data[n][:virtual] ? resolve_virtual_package_name(n) : n end run_noninteractive("apt-get", "-q", "-y", options, "remove", package_name) end
unlock_package(name, version)
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# File lib/chef/provider/package/apt.rb, line 120 def unlock_package(name, version) run_noninteractive("apt-mark", options, "unhold", name) end
upgrade_package(name, version)
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# File lib/chef/provider/package/apt.rb, line 88 def upgrade_package(name, version) install_package(name, version) end
Private Instance Methods
config_file_options()
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# File lib/chef/provider/package/apt.rb, line 156 def config_file_options # If the user has specified config file options previously, respect those. return if Array(options).any? { |opt| opt =~ /--force-conf/ } # It doesn't make sense to install packages in a scenario that can # result in a prompt. Have users decide up-front whether they want to # forcibly overwrite the config file, otherwise preserve it. if new_resource.overwrite_config_files [ "-o", "Dpkg::Options::=--force-confnew" ] else [ "-o", "Dpkg::Options::=--force-confdef", "-o", "Dpkg::Options::=--force-confold" ] end end
default_release_options()
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# File lib/chef/provider/package/apt.rb, line 149 def default_release_options # Use apt::Default-Release option only if provider supports it if new_resource.respond_to?(:default_release) && new_resource.default_release [ "-o", "APT::Default-Release=#{new_resource.default_release}" ] end end
package_data_for(pkg)
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# File lib/chef/provider/package/apt.rb, line 200 def package_data_for(pkg) virtual = false current_version = nil candidate_version = nil current_version, candidate_version = resolve_package_versions(pkg) if candidate_version.nil? newpkg = resolve_virtual_package_name(pkg) if newpkg virtual = true logger.info("#{new_resource} is a virtual package, actually acting on package[#{newpkg}]") current_version, candidate_version = resolve_package_versions(newpkg) end end { current_version: current_version, candidate_version: candidate_version, virtual: virtual, } end
resolve_package_versions(pkg)
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# File lib/chef/provider/package/apt.rb, line 170 def resolve_package_versions(pkg) current_version = nil candidate_version = nil run_noninteractive("apt-cache", default_release_options, "policy", pkg).stdout.each_line do |line| case line when /^\s{2}Installed: (.+)$/ current_version = ( $1 != "(none)" ) ? $1 : nil logger.trace("#{new_resource} installed version for #{pkg} is #{$1}") when /^\s{2}Candidate: (.+)$/ candidate_version = ( $1 != "(none)" ) ? $1 : nil logger.trace("#{new_resource} candidate version for #{pkg} is #{$1}") end end [ current_version, candidate_version ] end
resolve_virtual_package_name(pkg)
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# File lib/chef/provider/package/apt.rb, line 186 def resolve_virtual_package_name(pkg) showpkg = run_noninteractive("apt-cache", "showpkg", pkg).stdout partitions = showpkg.rpartition(/Reverse Provides: ?#{$/}/) return nil if partitions[0] == "" && partitions[1] == "" # not found in output set = partitions[2].lines.each_with_object(Set.new) do |line, acc| # there may be multiple reverse provides for a single package acc.add(line.split[0]) end if set.size > 1 raise Chef::Exceptions::Package, "#{new_resource.package_name} is a virtual package provided by multiple packages, you must explicitly select one" end set.to_a.first end
run_noninteractive(*args)
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Runs command via shell_out with magic environment to disable interactive prompts. Command is run with default localization rather than forcing locale to āCā, so command output may not be stable.
# File lib/chef/provider/package/apt.rb, line 145 def run_noninteractive(*args) shell_out_compact_timeout!(*args, env: { "DEBIAN_FRONTEND" => "noninteractive" }) end
version_compare(v1, v2)
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compare 2 versions to each other to see which is newer. this differs from the standard package method because we need to be able to parse debian version strings which contain tildes which Gem cannot properly parse
@return [Integer] 1 if v1 > v2. 0 if they're equal. -1 if v1 < v2
# File lib/chef/provider/package/apt.rb, line 132 def version_compare(v1, v2) if !shell_out_compact_timeout("dpkg", "--compare-versions", v1.to_s, "gt", v2.to_s).error? 1 elsif !shell_out_compact_timeout("dpkg", "--compare-versions", v1.to_s, "eq", v2.to_s).error? 0 else -1 end end