class Chef::Provider::Service::Simple
Attributes
status_load_success[R]
this must be subclassed to be useful so does not directly implement :service
Public Instance Methods
define_resource_requirements()
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# File lib/chef/provider/service/simple.rb, line 51 def define_resource_requirements # FIXME? need reload from service.rb shared_resource_requirements requirements.assert(:start) do |a| a.assertion { @new_resource.start_command } a.failure_message Chef::Exceptions::Service, "#{self} requires that start_command be set" end requirements.assert(:stop) do |a| a.assertion { @new_resource.stop_command } a.failure_message Chef::Exceptions::Service, "#{self} requires that stop_command be set" end requirements.assert(:restart) do |a| a.assertion { @new_resource.restart_command || ( @new_resource.start_command && @new_resource.stop_command ) } a.failure_message Chef::Exceptions::Service, "#{self} requires a restart_command or both start_command and stop_command be set in order to perform a restart" end requirements.assert(:reload) do |a| a.assertion { @new_resource.reload_command } a.failure_message Chef::Exceptions::UnsupportedAction, "#{self} requires a reload_command be set in order to perform a reload" end requirements.assert(:all_actions) do |a| a.assertion do @new_resource.status_command || supports[:status] || (!ps_cmd.nil? && !ps_cmd.empty?) end a.failure_message Chef::Exceptions::Service, "#{@new_resource} could not determine how to inspect the process table, please set this node's 'command.ps' attribute" end requirements.assert(:all_actions) do |a| a.assertion { !@ps_command_failed } a.failure_message Chef::Exceptions::Service, "Command #{ps_cmd} failed to execute, cannot determine service current status" end end
load_current_resource()
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# File lib/chef/provider/service/simple.rb, line 31 def load_current_resource @current_resource = Chef::Resource::Service.new(@new_resource.name) @current_resource.service_name(@new_resource.service_name) @status_load_success = true @ps_command_failed = false determine_current_status! @current_resource end
reload_service()
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# File lib/chef/provider/service/simple.rb, line 103 def reload_service shell_out!(@new_resource.reload_command, default_env: false) end
restart_service()
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# File lib/chef/provider/service/simple.rb, line 93 def restart_service if @new_resource.restart_command shell_out!(@new_resource.restart_command, default_env: false) else stop_service sleep 1 start_service end end
start_service()
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# File lib/chef/provider/service/simple.rb, line 85 def start_service shell_out!(@new_resource.start_command, default_env: false) end
stop_service()
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# File lib/chef/provider/service/simple.rb, line 89 def stop_service shell_out!(@new_resource.stop_command, default_env: false) end
Protected Instance Methods
determine_current_status!()
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# File lib/chef/provider/service/simple.rb, line 109 def determine_current_status! if @new_resource.status_command logger.trace("#{@new_resource} you have specified a status command, running..") begin if shell_out(@new_resource.status_command).exitstatus == 0 @current_resource.running true logger.trace("#{@new_resource} is running") end rescue Mixlib::ShellOut::ShellCommandFailed, SystemCallError # ShellOut sometimes throws different types of Exceptions than ShellCommandFailed. # Temporarily catching different types of exceptions here until we get Shellout fixed. # TODO: Remove the line before one we get the ShellOut fix. @status_load_success = false @current_resource.running false nil end elsif supports[:status] logger.trace("#{@new_resource} supports status, running") begin if shell_out("#{default_init_command} status").exitstatus == 0 @current_resource.running true logger.trace("#{@new_resource} is running") end # ShellOut sometimes throws different types of Exceptions than ShellCommandFailed. # Temporarily catching different types of exceptions here until we get Shellout fixed. # TODO: Remove the line before one we get the ShellOut fix. rescue Mixlib::ShellOut::ShellCommandFailed, SystemCallError @status_load_success = false @current_resource.running false nil end else logger.trace "#{@new_resource} falling back to process table inspection" r = Regexp.new(@new_resource.pattern) logger.trace "#{@new_resource} attempting to match '#{@new_resource.pattern}' (#{r.inspect}) against process list" begin shell_out!(ps_cmd).stdout.each_line do |line| if r.match(line) @current_resource.running true break end end @current_resource.running false unless @current_resource.running logger.trace "#{@new_resource} running: #{@current_resource.running}" # ShellOut sometimes throws different types of Exceptions than ShellCommandFailed. # Temporarily catching different types of exceptions here until we get Shellout fixed. # TODO: Remove the line before one we get the ShellOut fix. rescue Mixlib::ShellOut::ShellCommandFailed, SystemCallError @ps_command_failed = true end end end
ps_cmd()
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# File lib/chef/provider/service/simple.rb, line 165 def ps_cmd # XXX: magic attributes are a shitty api, need something better here and deprecate this attribute @run_context.node[:command] && @run_context.node[:command][:ps] end