class Chef::Provider::Service::Debian
Constants
- UPDATE_RC_D_ENABLED_MATCHES
- UPDATE_RC_D_PRIORITIES
Public Class Methods
supports?(resource, action)
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# File lib/chef/provider/service/debian.rb, line 32 def self.supports?(resource, action) Chef::Platform::ServiceHelpers.config_for_service(resource.service_name).include?(:initd) end
Public Instance Methods
action_enable()
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Override method from parent to ensure priority is up-to-date
# File lib/chef/provider/service/debian.rb, line 115 def action_enable if new_resource.priority.nil? priority_ok = true else priority_ok = @current_resource.priority == new_resource.priority end if current_resource.enabled && priority_ok logger.trace("#{new_resource} already enabled - nothing to do") else converge_by("enable service #{new_resource}") do enable_service logger.info("#{new_resource} enabled") end end load_new_resource_state new_resource.enabled(true) end
define_resource_requirements()
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# File lib/chef/provider/service/debian.rb, line 43 def define_resource_requirements # do not call super here, inherit only shared_requirements shared_resource_requirements requirements.assert(:all_actions) do |a| update_rcd = "/usr/sbin/update-rc.d" a.assertion { ::File.exists? update_rcd } a.failure_message Chef::Exceptions::Service, "#{update_rcd} does not exist!" # no whyrun recovery - this is a base system component of debian # distros and must be present end requirements.assert(:all_actions) do |a| a.assertion { @so_priority.exitstatus == 0 } a.failure_message Chef::Exceptions::Service, "/usr/sbin/update-rc.d -f #{current_resource.service_name} failed - #{@so_priority.inspect}" # This can happen if the service is not yet installed,so we'll fake it. a.whyrun ["Unable to determine priority of service, assuming service would have been correctly installed earlier in the run.", "Assigning temporary priorities to continue.", "If this service is not properly installed prior to this point, this will fail."] do temp_priorities = { "6" => [:stop, "20"], "0" => [:stop, "20"], "1" => [:stop, "20"], "2" => [:start, "20"], "3" => [:start, "20"], "4" => [:start, "20"], "5" => [:start, "20"] } current_resource.priority(temp_priorities) end end end
disable_service()
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# File lib/chef/provider/service/debian.rb, line 147 def disable_service if new_resource.priority.is_a? Integer # Stop processes in reverse order of start using '100 - start_priority' shell_out!("/usr/sbin/update-rc.d -f #{new_resource.service_name} remove") shell_out!("/usr/sbin/update-rc.d -f #{new_resource.service_name} stop #{100 - new_resource.priority} 2 3 4 5 .") elsif new_resource.priority.is_a? Hash # we call the same command regardless of we're enabling or disabling # users passing a Hash are responsible for setting their own stop priorities set_priority else # no priority, using '100 - 20 (update-rc.d default)' to stop in reverse order of start shell_out!("/usr/sbin/update-rc.d -f #{new_resource.service_name} remove") shell_out!("/usr/sbin/update-rc.d -f #{new_resource.service_name} stop 80 2 3 4 5 .") end end
enable_service()
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# File lib/chef/provider/service/debian.rb, line 133 def enable_service if new_resource.priority.is_a? Integer shell_out!("/usr/sbin/update-rc.d -f #{new_resource.service_name} remove") shell_out!("/usr/sbin/update-rc.d #{new_resource.service_name} defaults #{new_resource.priority} #{100 - new_resource.priority}") elsif new_resource.priority.is_a? Hash # we call the same command regardless of we're enabling or disabling # users passing a Hash are responsible for setting their own start priorities set_priority else # No priority, go with update-rc.d defaults shell_out!("/usr/sbin/update-rc.d -f #{new_resource.service_name} remove") shell_out!("/usr/sbin/update-rc.d #{new_resource.service_name} defaults") end end
get_priority()
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# File lib/chef/provider/service/debian.rb, line 73 def get_priority priority = {} @so_priority = shell_out!("/usr/sbin/update-rc.d -f #{current_resource.service_name} remove") [@so_priority.stdout, @so_priority.stderr].each do |iop| iop.each_line do |line| if UPDATE_RC_D_PRIORITIES =~ line # priority[runlevel] = [ S|K, priority ] # S = Start, K = Kill # debian runlevels: 0 Halt, 1 Singleuser, 2 Multiuser, 3-5 == 2, 6 Reboot priority[$1] = [($2 == "S" ? :start : :stop), $3] end if line =~ UPDATE_RC_D_ENABLED_MATCHES enabled = true end end end # Reduce existing priority back to an integer if appropriate, picking # runlevel 2 as a baseline if priority[2] && [2..5].all? { |runlevel| priority[runlevel] == priority[2] } priority = priority[2].last end priority end
load_current_resource()
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Calls superclass method
Chef::Provider::Service::Simple#load_current_resource
# File lib/chef/provider/service/debian.rb, line 36 def load_current_resource super current_resource.priority(get_priority) current_resource.enabled(service_currently_enabled?(current_resource.priority)) current_resource end
service_currently_enabled?(priority)
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# File lib/chef/provider/service/debian.rb, line 101 def service_currently_enabled?(priority) enabled = false priority.each do |runlevel, arguments| logger.trace("#{new_resource} runlevel #{runlevel}, action #{arguments[0]}, priority #{arguments[1]}") # if we are in a update-rc.d default startup runlevel && we start in this runlevel if %w{ 1 2 3 4 5 S }.include?(runlevel) && arguments[0] == :start enabled = true end end enabled end
set_priority()
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# File lib/chef/provider/service/debian.rb, line 163 def set_priority args = "" new_resource.priority.each do |level, o| action = o[0] priority = o[1] args += "#{action} #{priority} #{level} . " end shell_out!("/usr/sbin/update-rc.d -f #{new_resource.service_name} remove") shell_out!("/usr/sbin/update-rc.d #{new_resource.service_name} #{args}") end