Merge pull request '0.2 - Feature-Flags (#48)' (#50) from #48 into 0.2

Reviewed-on: sh-edraft.de/kd_discord_bot#50
Reviewed-by: edraft-dev <dev.sven.heidemann@sh-edraft.de>
Closes #48

src/bot/config/appsettings.development.json

@@ -17,6 +17,14 @@
       "de"
     ]
   },
+  "FeatureFlags": {
+    "AdminModule": true,
+    "BaseModule": true,
+    "BootLogModule": true,
+    "DatabaseModule": true,
+    "ModeratorModule": true,
+    "PermissionModule": true
+  },
   "DiscordBot": {
     "Token": "OTk4MTU5NjczODkzMDYwNzM4.GN3QyA.yvWO6L7Eu36gXQ7ARDs0Jg2J1VqIDnHLou5lT4",
     "Prefix": "!kd "

src/bot/config/appsettings.edrafts-pc-ubuntu.json

@@ -19,6 +19,14 @@
     "Token": "OTk4MTYwNDI3Njg5MTgxMjM3.GI7h67.BqD6Lu1Tz0MuG8iktYrcLnHi1pNozyMiWFGTKI",
     "Prefix": "!ke "
   },
+  "FeatureFlags": {
+    "AdminModule": true,
+    "BaseModule": true,
+    "BootLogModule": true,
+    "DatabaseModule": true,
+    "ModeratorModule": true,
+    "PermissionModule": true
+  },
   "Bot": {
     "910199451145076828": {
       "MessageDeleteTimer": 2

src/bot/config/appsettings.production.json

@@ -28,6 +28,14 @@
     "Buffered": "true",
     "AuthPlugin": "mysql_native_password"
   },
+  "FeatureFlags": {
+    "AdminModule": true,
+    "BaseModule": true,
+    "BootLogModule": true,
+    "DatabaseModule": true,
+    "ModeratorModule": true,
+    "PermissionModule": true
+  },
   "Bot": {
     "650366049023295514": {
       "MessageDeleteTimer": 2

src/bot/config/appsettings.staging.json

@@ -17,6 +17,14 @@
       "de"
     ]
   },
+  "FeatureFlags": {
+    "AdminModule": true,
+    "BaseModule": true,
+    "BootLogModule": true,
+    "DatabaseModule": true,
+    "ModeratorModule": true,
+    "PermissionModule": true
+  },
   "Bot": {
     "910199451145076828": {
       "MessageDeleteTimer": 4

src/bot/main.py

@@ -8,6 +8,7 @@ from bot.application import Application
 from bot.startup import Startup
 from bot.startup_discord_extension import StartupDiscordExtension
 from bot.startup_migration_extension import StartupMigrationExtension
+from bot.startup_settings_extension import StartupSettingsExtension
 from modules.boot_log.boot_log_extension import BootLogExtension
 from modules.database.database_extension import DatabaseExtension
 
@@ -18,12 +19,13 @@ class Program:
         self.app: Optional[Application] = None
 
     async def start(self):
-        app_builder = ApplicationBuilder(Application)
+        app_builder = ApplicationBuilder(Application) \
-        app_builder.use_extension(StartupDiscordExtension)
+            .use_extension(StartupSettingsExtension) \
-        app_builder.use_extension(StartupMigrationExtension)
+            .use_extension(StartupDiscordExtension) \
-        app_builder.use_extension(BootLogExtension)
+            .use_extension(StartupMigrationExtension) \
-        app_builder.use_extension(DatabaseExtension)
+            .use_extension(BootLogExtension) \
-        app_builder.use_startup(Startup)
+            .use_extension(DatabaseExtension) \
+            .use_startup(Startup)
         self.app: Application = await app_builder.build_async()
         await self.app.run_async()
 

src/bot/startup.py

@@ -1,5 +1,3 @@
-import os
-from datetime import datetime
 from typing import Optional
 
 from cpl_core.application import StartupABC
@@ -10,6 +8,7 @@ from cpl_core.environment import ApplicationEnvironment
 
 from bot_core.abc.client_utils_service_abc import ClientUtilsServiceABC
 from bot_core.abc.message_service_abc import MessageServiceABC
+from bot_core.configuration.feature_flags_settings import FeatureFlagsSettings
 from bot_core.pipes.date_time_offset_pipe import DateTimeOffsetPipe
 from bot_core.service.client_utils_service import ClientUtilsService
 from bot_core.service.message_service import MessageService
@@ -36,22 +35,12 @@ class Startup(StartupABC):
 
     def __init__(self):
         StartupABC.__init__(self)
-        self._start_time = datetime.now()
-
         self._config: Optional[ConfigurationABC] = None
+        self._feature_flags: Optional[FeatureFlagsSettings] = None
 
     def configure_configuration(self, configuration: ConfigurationABC, environment: ApplicationEnvironment) -> ConfigurationABC:
-        environment.set_working_directory(os.path.dirname(os.path.realpath(__file__)))
-        configuration.add_environment_variables('KDB_')
-        configuration.add_environment_variables('DISCORD_')
-
-        configuration.add_json_file(f'config/appsettings.json', optional=False)
-        configuration.add_json_file(f'config/appsettings.{environment.environment_name}.json', optional=True)
-        configuration.add_json_file(f'config/appsettings.{environment.host_name}.json', optional=True)
-
-        configuration.add_configuration('Startup_StartTime', str(self._start_time))
-
         self._config = configuration
+        self._feature_flags = configuration.get_configuration(FeatureFlagsSettings)
         return configuration
 
     def configure_services(self, services: ServiceCollectionABC, environment: ApplicationEnvironment) -> ServiceProviderABC:
@@ -61,6 +50,7 @@ class Startup(StartupABC):
         services.add_db_context(DBContext, self._config.get_configuration(DatabaseSettings))
 
         # general services
+        if self._feature_flags.base_module:
             services.add_transient(BaseHelperABC, BaseHelperService)
         services.add_transient(MessageServiceABC, MessageService)
         services.add_transient(ClientUtilsServiceABC, ClientUtilsService)
@@ -69,6 +59,7 @@ class Startup(StartupABC):
         services.add_transient(DateTimeOffsetPipe)
 
         # module services
+        if self._feature_flags.permission_module:
             services.add_singleton(PermissionServiceABC, PermissionService)
 
         # data services

src/bot/startup_discord_extension.py

@@ -1,3 +1,5 @@
+from typing import Optional
+
 from cpl_core.application import StartupExtensionABC
 from cpl_core.configuration import ConfigurationABC
 from cpl_core.dependency_injection import ServiceCollectionABC
@@ -5,6 +7,7 @@ from cpl_core.environment import ApplicationEnvironmentABC
 from cpl_discord import get_discord_collection
 from cpl_discord.discord_event_types_enum import DiscordEventTypesEnum
 
+from bot_core.configuration.feature_flags_settings import FeatureFlagsSettings
 from modules.admin.command.restart_command import RestartCommand
 from modules.admin.command.shutdown_command import ShutdownCommand
 from modules.base.command.afk_command import AFKCommand
@@ -27,21 +30,24 @@ from modules.permission.events.permission_on_ready_event import PermissionOnRead
 class StartupDiscordExtension(StartupExtensionABC):
 
     def __init__(self):
-        pass
+        self._feature_flags: Optional[FeatureFlagsSettings] = None
 
     def configure_configuration(self, config: ConfigurationABC, env: ApplicationEnvironmentABC):
-        pass
+        self._feature_flags = config.get_configuration(FeatureFlagsSettings)
 
     def configure_services(self, services: ServiceCollectionABC, env: ApplicationEnvironmentABC):
         services.add_discord()
         dc = get_discord_collection(services)
         """ commands """
         # admin
+        if self._feature_flags.admin_module:
             dc.add_command(RestartCommand)
             dc.add_command(ShutdownCommand)
         # moderator
+        if self._feature_flags.moderator_module:
             dc.add_command(PurgeCommand)
         # simple
+        if self._feature_flags.base_module:
             dc.add_command(AFKCommand)
             dc.add_command(HelpCommand)
             dc.add_command(InfoCommand)
@@ -49,18 +55,27 @@ class StartupDiscordExtension(StartupExtensionABC):
             dc.add_command(UserInfoCommand)
         """ events """
         # on_command_error
+        if self._feature_flags.base_module:
             dc.add_event(DiscordEventTypesEnum.on_command_error.value, BaseOnCommandErrorEvent)
         # on_member_join
+        if self._feature_flags.base_module:
             dc.add_event(DiscordEventTypesEnum.on_member_join.value, BaseOnMemberJoinEvent)
         # on_member_remove
+        if self._feature_flags.base_module:
             dc.add_event(DiscordEventTypesEnum.on_member_join.value, BaseOnMemberRemoveEvent)
         # on_member_update
+        if self._feature_flags.permission_module:
             dc.add_event(DiscordEventTypesEnum.on_member_update.value, PermissionOnMemberUpdateEvent)
         # on_message
+        if self._feature_flags.base_module:
             dc.add_event(DiscordEventTypesEnum.on_message.value, BaseOnMessageEvent)
         # on_voice_state_update
+        if self._feature_flags.base_module:
             dc.add_event(DiscordEventTypesEnum.on_voice_state_update.value, BaseOnVoiceStateUpdateEvent)
         # on_ready
+        if self._feature_flags.database_module:
             dc.add_event(DiscordEventTypesEnum.on_ready.value, DatabaseOnReadyEvent)
+        if self._feature_flags.permission_module:
             dc.add_event(DiscordEventTypesEnum.on_ready.value, PermissionOnReadyEvent)
+        if self._feature_flags.boot_log_module:
             dc.add_event(DiscordEventTypesEnum.on_ready.value, BootLogOnReadyEvent)  # has to be last

src/bot/startup_settings_extension.py

@@ -0,0 +1,28 @@
+import os
+from datetime import datetime
+
+from cpl_core.application import StartupExtensionABC
+from cpl_core.configuration import ConfigurationABC
+from cpl_core.dependency_injection import ServiceCollectionABC
+from cpl_core.environment import ApplicationEnvironmentABC
+
+
+class StartupSettingsExtension(StartupExtensionABC):
+
+    def __init__(self):
+        self._start_time = datetime.now()
+
+    def configure_configuration(self, configuration: ConfigurationABC, environment: ApplicationEnvironmentABC):
+        # this shit has to be done here because we need settings in subsequent startup extensions
+        environment.set_working_directory(os.path.dirname(os.path.realpath(__file__)))
+        configuration.add_environment_variables('KDB_')
+        configuration.add_environment_variables('DISCORD_')
+
+        configuration.add_json_file(f'config/appsettings.json', optional=False)
+        configuration.add_json_file(f'config/appsettings.{environment.environment_name}.json', optional=True)
+        configuration.add_json_file(f'config/appsettings.{environment.host_name}.json', optional=True)
+
+        configuration.add_configuration('Startup_StartTime', str(self._start_time))
+
+    def configure_services(self, services: ServiceCollectionABC, env: ApplicationEnvironmentABC):
+        pass

src/bot_core/configuration/feature_flags_settings.py

@@ -0,0 +1,65 @@
+import traceback
+from typing import Optional
+
+from cpl_core.configuration.configuration_model_abc import ConfigurationModelABC
+from cpl_core.console import Console
+
+
+class FeatureFlagsSettings(ConfigurationModelABC):
+
+    def __init__(self):
+        ConfigurationModelABC.__init__(self)
+
+        self._admin_module = False  # 02.10.2022 #48
+        self._base_module = True  # 02.10.2022 #48
+        self._boot_log_module = True  # 02.10.2022 #48
+        self._database_module = True  # 02.10.2022 #48
+        self._moderator_module = False  # 02.10.2022 #48
+        self._permission_module = True  # 02.10.2022 #48
+
+    @property
+    def admin_module(self) -> bool:
+        return self._admin_module
+
+    @property
+    def base_module(self) -> bool:
+        return self._base_module
+
+    @property
+    def boot_log_module(self) -> bool:
+        return self._boot_log_module
+
+    @property
+    def database_module(self) -> bool:
+        return self._database_module
+
+    @property
+    def moderator_module(self) -> bool:
+        return self._moderator_module
+
+    @property
+    def permission_module(self) -> bool:
+        return self._permission_module
+
+    def from_dict(self, settings: dict):
+        try:
+            if 'AdminModule' in settings:
+                self._admin_module = settings['AdminModule']
+
+            if 'BaseModule' in settings:
+                self._base_module = settings['BaseModule']
+
+            if 'BootLogModule' in settings:
+                self._boot_log_module = settings['BootLogModule']
+
+            if 'DatabaseModule' in settings:
+                self._database_module = settings['DatabaseModule']
+
+            if 'ModeratorModule' in settings:
+                self._moderator_module = settings['ModeratorModule']
+
+            if 'PermissionModule' in settings:
+                self._permission_module = settings['PermissionModule']
+        except Exception as e:
+            Console.error(f'[ ERROR ] [ {__name__} ]: Reading error in {type(self).__name__} settings')
+            Console.error(f'[ EXCEPTION ] [ {__name__} ]: {e} -> {traceback.format_exc()}')

src/modules/boot_log/boot_log_extension.py

@@ -5,6 +5,8 @@ from cpl_core.configuration import ConfigurationABC
 from cpl_core.dependency_injection import ServiceProviderABC
 from cpl_core.logging import LoggerABC
 
+from bot_core.configuration.feature_flags_settings import FeatureFlagsSettings
+
 
 class BootLogExtension(ApplicationExtensionABC):
 
@@ -12,6 +14,9 @@ class BootLogExtension(ApplicationExtensionABC):
         pass
 
     async def run(self, config: ConfigurationABC, services: ServiceProviderABC):
+        feature_flags: FeatureFlagsSettings = config.get_configuration(FeatureFlagsSettings)
+        if not feature_flags.boot_log_module:
+            return
         logger: LoggerABC = services.get_service(LoggerABC)
         logger.debug(__name__, 'BootLog extension started')
         config.add_configuration('Bot_StartTime', str(datetime.now()))

src/modules/database/database_extension.py

@@ -5,6 +5,7 @@ from cpl_core.configuration import ConfigurationABC
 from cpl_core.dependency_injection import ServiceProviderABC
 from cpl_core.logging import LoggerABC
 
+from bot_core.configuration.feature_flags_settings import FeatureFlagsSettings
 from bot_data.service.migration_service import MigrationService
 
 
@@ -14,6 +15,9 @@ class DatabaseExtension(ApplicationExtensionABC):
         pass
 
     async def run(self, config: ConfigurationABC, services: ServiceProviderABC):
+        feature_flags: FeatureFlagsSettings = config.get_configuration(FeatureFlagsSettings)
+        if not feature_flags.database_module:
+            return
         logger: LoggerABC = services.get_service(LoggerABC)
         logger.debug(__name__, 'Database extension started')
         config.add_configuration('Database_StartTime', str(datetime.now()))