class Chef::Provider::Service::Systemd
Attributes
Public Class Methods
Source
# File lib/chef/provider/service/systemd.rb, line 35 def self.supports?(resource, action) service_script_exist?(:systemd, resource.service_name) end
Public Instance Methods
Source
# File lib/chef/provider/service/systemd.rb, line 71 def define_resource_requirements shared_resource_requirements requirements.assert(:all_actions) do |a| a.assertion { status_check_success } # We won't stop in any case, but in whyrun warn and tell what we're doing. a.whyrun ["Failed to determine status of #{new_resource}, using command #{new_resource.status_command}.", "Assuming service would have been installed and is disabled"] end end
Source
# File lib/chef/provider/service/systemd.rb, line 195 def disable_service options, args = get_systemctl_options_args shell_out!(systemctl_path, args, "disable", new_resource.service_name, **options) end
Source
# File lib/chef/provider/service/systemd.rb, line 189 def enable_service # This function can safely assume that enableable? is true options, args = get_systemctl_options_args shell_out!(systemctl_path, args, "enable", new_resource.service_name, **options) end
Source
# File lib/chef/provider/service/systemd.rb, line 173 def enableable?(action) if current_resource.masked logger.debug("#{new_resource} cannot be #{action}d: it is masked") return false end if current_resource.static logger.debug("#{new_resource} cannot be #{action}d: it is static") return false end if current_resource.indirect logger.debug("#{new_resource} cannot be #{action}d: it is indirect") return false end true end
Source
# File lib/chef/provider/service/systemd.rb, line 105 def get_systemctl_options_args if new_resource.user raise NotImplementedError, "#{new_resource} does not support the user property on a target_mode host (yet)" if Chef::Config.target_mode? uid = Etc.getpwnam(new_resource.user).uid options = { environment: { "DBUS_SESSION_BUS_ADDRESS" => "unix:path=/run/user/#{uid}/bus", }, user: new_resource.user, } args = "--user" else options = {} args = "--system" end [options, args] end
Source
# File lib/chef/provider/service/systemd.rb, line 210 def is_active? # Note: "activating" is not active (as with type=notify or a oneshot) systemd_service_status["ActiveState"] == "active" end
Source
# File lib/chef/provider/service/systemd.rb, line 215 def is_enabled? # if the service is in sysv compat mode, shellout to determine if enabled if systemd_service_status["UnitFileState"] == "bad" options, args = get_systemctl_options_args return shell_out(systemctl_path, args, "is-enabled", new_resource.service_name, "--quiet", **options).exitstatus == 0 end # See https://github.com/systemd/systemd/blob/master/src/systemctl/systemctl-is-enabled.c # Note: enabled-runtime is excluded because this is volatile, and the state of enabled-runtime # specifically means that the service is not enabled %w{enabled static generated alias indirect}.include?(systemd_service_status["UnitFileState"]) end
Source
# File lib/chef/provider/service/systemd.rb, line 227 def is_indirect? systemd_service_status["UnitFileState"] == "indirect" end
Source
# File lib/chef/provider/service/systemd.rb, line 235 def is_masked? # Note: masked-runtime is excluded, because runtime is volatile, and # because masked-runtime is not masked. systemd_service_status["UnitFileState"] == "masked" end
Source
# File lib/chef/provider/service/systemd.rb, line 231 def is_static? systemd_service_status["UnitFileState"] == "static" end
Source
# File lib/chef/provider/service/systemd.rb, line 39 def load_current_resource @current_resource = Chef::Resource::Service.new(new_resource.name) current_resource.service_name(new_resource.service_name) @status_check_success = true if new_resource.status_command logger.trace("#{new_resource} you have specified a status command, running..") unless shell_out(new_resource.status_command).error? current_resource.running(true) else @status_check_success = false current_resource.running(false) current_resource.enabled(false) current_resource.masked(false) current_resource.static(false) current_resource.indirect(false) end else current_resource.running(is_active?) end current_resource.enabled(is_enabled?) current_resource.masked(is_masked?) current_resource.static(is_static?) current_resource.indirect(is_indirect?) current_resource end
Source
# File lib/chef/provider/service/systemd.rb, line 200 def mask_service options, args = get_systemctl_options_args shell_out!(systemctl_path, args, "mask", new_resource.service_name, **options) end
Source
# File lib/chef/provider/service/systemd.rb, line 160 def reload_service if new_resource.reload_command super else if current_resource.running options, args = get_systemctl_options_args shell_out!(systemctl_path, args, "reload", new_resource.service_name, default_env: false, **options) else start_service end end end
Calls superclass method
Chef::Provider::Service::Simple#reload_service
Source
# File lib/chef/provider/service/systemd.rb, line 151 def restart_service if new_resource.restart_command super else options, args = get_systemctl_options_args shell_out!(systemctl_path, args, "restart", new_resource.service_name, default_env: false, **options) end end
Calls superclass method
Chef::Provider::Service::Simple#restart_service
Source
# File lib/chef/provider/service/systemd.rb, line 125 def start_service if current_resource.running logger.debug("#{new_resource} already running, not starting") else if new_resource.start_command super else options, args = get_systemctl_options_args shell_out!(systemctl_path, args, "start", new_resource.service_name, default_env: false, **options) end end end
Calls superclass method
Chef::Provider::Service::Simple#start_service
Source
# File lib/chef/provider/service/systemd.rb, line 138 def stop_service unless current_resource.running logger.debug("#{new_resource} not running, not stopping") else if new_resource.stop_command super else options, args = get_systemctl_options_args shell_out!(systemctl_path, args, "stop", new_resource.service_name, default_env: false, **options) end end end
Calls superclass method
Chef::Provider::Service::Simple#stop_service
Source
# File lib/chef/provider/service/systemd.rb, line 81 def systemd_service_status @systemd_service_status ||= begin # Collect all the status information for a service and returns it at once options, args = get_systemctl_options_args s = shell_out!(systemctl_path, args, "show", "-p", "UnitFileState", "-p", "ActiveState", new_resource.service_name, **options) # e.g. /bin/systemctl --system show -p UnitFileState -p ActiveState sshd.service # Returns something like: # ActiveState=active # UnitFileState=enabled status = {} s.stdout.each_line do |line| k, v = line.strip.split("=") status[k] = v end # Assert requisite keys exist unless status.key?("UnitFileState") && status.key?("ActiveState") raise Chef::Exceptions::Service, "'#{systemctl_path} show' not reporting status for #{new_resource.service_name}!" end status end end
Source
# File lib/chef/provider/service/systemd.rb, line 205 def unmask_service options, args = get_systemctl_options_args shell_out!(systemctl_path, args, "unmask", new_resource.service_name, **options) end
Source
# File lib/chef/provider/service/systemd.rb, line 69 def user_services_requirements; end
systemd supports user services just fine
Private Instance Methods
Source
# File lib/chef/provider/service/systemd.rb, line 243 def systemctl_path if @systemctl_path.nil? @systemctl_path = which("systemctl") end @systemctl_path end