chef/cookbooks/yum/resources/dnf_module.rb
2023-07-08 15:12:30 +02:00

127 lines
3.5 KiB
Ruby

resource_name :dnf_module
provides :dnf_module
unified_mode true
property :module_name, String,
name_property: true,
description: 'Name of the module to install'
property :options, [String, Array],
coerce: proc { |x| Array(x) },
default: [],
description: 'Any additional options to pass to DNF'
property :flush_cache, [true, false],
default: true,
description: 'Whether to flush the Chef package cache after enabling the module'
action_class do
def supported?
(platform_family?('rhel') && node['platform_version'].to_i >= 8) || platform?('fedora')
end
def list_modules(type)
raw_output = shell_out!('dnf -q module list').stdout.split("\n")
raw_output.keep_if { |l| l.match? /\[#{type}\]/ }
raw_output.map { |l| "#{l.split[0]}:#{l.split[1]}" }[0..-2] # remove Hint: line from end
end
def enabled_modules
# extract modules from the rest of the output -- the lines with [e] (for enabled)
list_modules('e')
end
def disabled_modules
# extract modules from the rest of the output -- the lines with [x] (for disabled)
# disable disables all versions of the stream, so add entry without :version
dl = list_modules('x')
dl + dl.map { |m| m.split(':').first }.uniq
end
def installed_modules
# extract modules from the rest of the output -- the lines with [i] (for installed)
list_modules('i')
end
def opts
new_resource.options.join(' ')
end
def flush_dnf_cache
# After switching to a new module installed during the Chef run, Chef's
# internal package cache won't pick up on new module packages automatically,
# so we need to reload that manually, much like after adding a new repo.
# This isn't needed for modules available at the start of the Chef run.
if new_resource.flush_cache
package "flush package cache #{new_resource.module_name}" do
action :flush_cache
end
end
end
end
action :switch_to do
return unless supported?
unless enabled_modules.include?(new_resource.module_name)
converge_by "switch to #{new_resource.module_name}" do
shell_out!("dnf -qy module switch-to #{opts} '#{new_resource.module_name}'")
end
flush_dnf_cache
end
end
action :enable do
return unless supported?
unless enabled_modules.include?(new_resource.module_name)
converge_by "enable #{new_resource.module_name}" do
shell_out!("dnf -qy module enable #{opts} '#{new_resource.module_name}'")
end
flush_dnf_cache
end
end
action :disable do
return unless supported?
unless disabled_modules.include?(new_resource.module_name)
converge_by "disable #{new_resource.module_name}" do
shell_out!("dnf -qy module disable #{opts} '#{new_resource.module_name}'")
end
flush_dnf_cache
end
end
action :install do
return unless supported?
unless installed_modules.include?(new_resource.module_name)
converge_by "install #{new_resource.module_name}" do
shell_out!("dnf -qy module install #{opts} '#{new_resource.module_name}'")
end
flush_dnf_cache
end
end
action :remove do
return unless supported?
if installed_modules.include?(new_resource.module_name)
converge_by "remove #{new_resource.module_name}" do
shell_out!("dnf -qy module remove #{opts} '#{new_resource.module_name}'")
end
flush_dnf_cache
end
end
action :reset do
return unless supported?
converge_by "reset #{new_resource.module_name}" do
shell_out!("dnf -qy module reset #{opts} '#{new_resource.module_name}'")
end
flush_dnf_cache
end