Add 'tuned-adm profile_mode' command

Implement a new 'tuned-adm profile_mode' command, which prints
the current profile mode - automatic vs. manual.

Related: rhbz#1459146

Signed-off-by: Ondřej Lysoněk <olysonek@redhat.com>

com.redhat.tuned.policy

@@ -17,6 +17,16 @@
     </defaults>
   </action>
 
+  <action id="com.redhat.tuned.profile_mode">
+    <description>Show current profile selection mode</description>
+    <message>Authentication is required to show current profile selection mode</message>
+    <defaults>
+      <allow_any>yes</allow_any>
+      <allow_inactive>yes</allow_inactive>
+      <allow_active>yes</allow_active>
+    </defaults>
+  </action>
+
   <action id="com.redhat.tuned.disable">
     <description>Disable Tuned</description>
     <message>Authentication is required to disable Tuned</message>

tuned-adm.py

@@ -74,6 +74,9 @@ if __name__ == "__main__":
 	parser_auto_profile = subparsers.add_parser("auto_profile", help="enable automatic profile selection mode, switch to the recommended profile")
 	parser_auto_profile.set_defaults(action="auto_profile")
 
+	parser_profile_mode = subparsers.add_parser("profile_mode", help="show current profile selection mode")
+	parser_profile_mode.set_defaults(action="profile_mode")
+
 	args = parser.parse_args(sys.argv[1:])
 
 	options = vars(args)

tuned/admin/admin.py

@@ -122,6 +122,19 @@ class Admin(object):
 			profile_name = None
 		return profile_name
 
+	def _get_profile_mode(self):
+		contents = str.strip(self._cmd.read_file(consts.ACTIVE_PROFILE_FILE))
+		if contents == '':
+			mode = consts.ACTIVE_PROFILE_AUTO
+		else:
+			arr = contents.split('\n')
+			if len(arr) == 1:
+				# The file was generated by old Tuned -> manual mode
+				mode = consts.ACTIVE_PROFILE_MANUAL
+			else:
+				mode = arr[1]
+		return mode
+
 	def _print_profile_info(self, profile, profile_info):
 		if profile_info[0] == True:
 			print("Profile name:")
@@ -166,7 +179,18 @@ class Admin(object):
 			return True
 		return self._print_profile_name(profile_name)
 
-	# TODO action profile mode - auto/manual
+	def _print_profile_mode(self, mode):
+		print("Profile selection mode: " + mode)
+
+	def _action_dbus_profile_mode(self):
+		mode = self._controller.profile_mode()
+		self._print_profile_mode(mode)
+		return self._controller.exit(True)
+
+	def _action_profile_mode(self):
+		mode = self._get_profile_mode()
+		self._print_profile_mode(mode)
+		return True
 
 	def _profile_print_status(self, ret, msg):
 		if ret:

tuned/admin/dbus_controller.py

@@ -99,6 +99,9 @@ class DBusController(object):
 	def active_profile(self):
 		return self._call("active_profile")
 
+	def profile_mode(self):
+		return self._call("profile_mode")
+
 	def switch_profile(self, new_profile):
 		if new_profile == "":
 			return (False, "No profile specified")

tuned/daemon/controller.py

@@ -128,6 +128,15 @@ class Controller(tuned.exports.interfaces.ExportableInterface):
 		else:
 			return ""
 
+	@exports.export("", "s")
+	def profile_mode(self, caller = None):
+		if caller == "":
+			return ""
+		if self._daemon.manual:
+			return consts.ACTIVE_PROFILE_MANUAL
+		else:
+			return consts.ACTIVE_PROFILE_AUTO
+
 	@exports.export("", "b")
 	def disable(self, caller = None):
 		if caller == "":
@@ -135,7 +144,7 @@ class Controller(tuned.exports.interfaces.ExportableInterface):
 		if self._daemon.is_running():
 			self._daemon.stop()
 		if self._daemon.is_enabled():
-			self._daemon.set_profile(None, True, save_instantly=True)
+			self._daemon.set_profile(None, None, save_instantly=True)
 		return True
 
 	@exports.export("", "b")

tuned/daemon/daemon.py

@@ -90,6 +90,11 @@ class Daemon(object):
 	def profile(self):
 		return self._profile
 
+	@property
+	def manual(self):
+		# manual == None means /etc/tuned/active_profile is empty -> automatic mode
+		return self._manual == True or self._manual is None
+
 	@property
 	def profile_loader(self):
 		return self._profile_loader