[arch] feature -> new 'Check Snaps support' action

CHANGELOG.md

@@ -20,6 +20,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
         <p align="center">
             <img src="https://raw.githubusercontent.com/vinifmor/bauh-files/master/pictures/releases/0.9.7/unmark_pkgbuild.png">
          </p>
+    - new "Check Snaps support" action: checks all system requirements for Snaps to work properly (only available if the 'snapd' package is installed)
+    <p align="center">
+        <img src="https://raw.githubusercontent.com/vinifmor/bauh-files/master/pictures/releases/0.9.7/unmark_pkgbuild.png">
+    </p>
 
 ### Improvements
 - AppImage

bauh/commons/system.py

@@ -4,7 +4,7 @@ import sys
 import time
 from io import StringIO
 from subprocess import PIPE
-from typing import List, Tuple, Set
+from typing import List, Tuple, Set, Dict
 
 # default environment variables for subprocesses.
 from bauh.api.abstract.handler import ProcessWatcher
@@ -298,3 +298,23 @@ def get_human_size_str(size) -> str:
 def run(cmd: List[str], success_code: int = 0) -> Tuple[bool, str]:
     p = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
     return p.returncode == success_code, p.stdout.decode()
+
+
+def check_active_services(*names: str) -> Dict[str, bool]:
+    output = run_cmd('systemctl is-active {}'.format(' '.join(names)), print_error=False)
+
+    if not output:
+        return {n: False for n in names}
+    else:
+        status = output.split('\n')
+        return {s: status[i].strip().lower() == 'active' for i, s in enumerate(names) if s}
+
+
+def check_enabled_services(*names: str) -> Dict[str, bool]:
+    output = run_cmd('systemctl is-enabled {}'.format(' '.join(names)), print_error=False)
+
+    if not output:
+        return {n: False for n in names}
+    else:
+        status = output.split('\n')
+        return {s: status[i].strip().lower() == 'enabled' for i, s in enumerate(names) if s}

bauh/gems/arch/controller.py

@@ -25,7 +25,7 @@ from bauh.api.abstract.view import MessageType, FormComponent, InputOption, Sing
     ViewComponent, PanelComponent, MultipleSelectComponent, TextInputComponent, TextComponent, TextInputType, \
     FileChooserComponent
 from bauh.api.constants import TEMP_DIR
-from bauh.commons import user, internet
+from bauh.commons import user, internet, system
 from bauh.commons.category import CategoriesDownloader
 from bauh.commons.config import save_config
 from bauh.commons.html import bold
@@ -203,7 +203,14 @@ class ArchManager(SoftwareManager):
                                                 icon_path=get_icon_path(),
                                                 requires_root=True,
                                                 refresh=False,
-                                                manager=self)
+                                                manager=self),
+            'setup_snapd': CustomSoftwareAction(i18n_label_key='arch.custom_action.setup_snapd',
+                                                i18n_status_key='arch.custom_action.setup_snapd.status',
+                                                manager_method='setup_snapd',
+                                                icon_path=get_icon_path(),
+                                                requires_root=False,
+                                                refresh=False,
+                                                manager=self),
         }
         self.index_aur = None
         self.re_file_conflict = re.compile(r'[\w\d\-_.]+:')
@@ -2573,6 +2580,9 @@ class ArchManager(SoftwareManager):
         if bool(arch_config['repositories']):
             actions.append(self.custom_actions['sys_up'])
 
+        if pacman.is_snapd_installed():
+            actions.append(self.custom_actions['setup_snapd'])
+
         return actions
 
     def fill_sizes(self, pkgs: List[ArchPackage]):
@@ -2607,7 +2617,7 @@ class ArchManager(SoftwareManager):
                         p.size = new_size - p.size
 
     def upgrade_system(self, root_password: str, watcher: ProcessWatcher) -> bool:
-        repo_map = pacman.map_repositories()
+        # repo_map = pacman.map_repositories()
         installed = self.read_installed(limit=-1, only_apps=False, pkg_types=None, internet_available=internet.is_available(), disk_loader=None).installed
 
         if not installed:
@@ -2820,3 +2830,86 @@ class ArchManager(SoftwareManager):
     def disable_pkgbuild_edition(self, pkg: ArchPackage, root_password: str, watcher: ProcessWatcher):
         if self._remove_from_editable_pkgbuilds(pkg.name):
             pkg.pkgbuild_editable = False
+
+    def setup_snapd(self, root_password: str, watcher: ProcessWatcher) -> bool:
+        # checking services
+        missing_items = []
+        for serv, active in system.check_enabled_services('snapd.service', 'snapd.socket').items():
+            if not active:
+                missing_items.append(InputOption(label=self.i18n['snap.custom_action.setup_snapd.service_disabled'].format("'{}'".format(serv)),
+                                                 value='enable:{}'.format(serv),
+                                                 read_only=True))
+
+        for serv, active in system.check_active_services('snapd.service', 'snapd.socket').items():
+            if not active:
+                missing_items.append(InputOption(label=self.i18n['snap.custom_action.setup_snapd.service_inactive'].format("'{}'".format(serv)),
+                                                 value='start:{}'.format(serv),
+                                                 read_only=True))
+
+        link = '/snap'
+        link_dest = '/var/lib/snapd/snap'
+        if not os.path.exists('/snap'):
+            missing_items.append(InputOption(label=self.i18n['snap.custom_action.setup_snapd.missing_link'].format("'{}'".format(link), "'{}'".format(link_dest)),
+                                             value='link:{}:{}'.format(link, link_dest),
+                                             read_only=True))
+
+        if missing_items:
+            actions = MultipleSelectComponent(label=self.i18n['snap.custom_action.setup_snapd.required_actions'],
+                                              options=missing_items,
+                                              default_options=set(missing_items),
+                                              max_per_line=1,
+                                              spaces=False)
+            if watcher.request_confirmation(title=self.i18n['confirmation'].capitalize(),
+                                            body='',
+                                            components=[actions],
+                                            confirmation_label=self.i18n['proceed'].capitalize(),
+                                            deny_label=self.i18n['cancel'].capitalize()):
+
+                pwd, valid_pwd = watcher.request_root_password()
+
+                if valid_pwd:
+                    handler = ProcessHandler(watcher)
+                    for a in missing_items:
+                        action = a.value.split(':')
+
+                        if action[0] == 'enable':
+                            msg = 'Enabling service {}'.format(action[1])
+                            watcher.print(msg)
+                            self.logger.info(msg)
+                            proc = SimpleProcess(['systemctl', 'enable', '--now', action[1]], root_password=pwd)
+                        elif action[0] == 'start':
+                            msg = 'Starting service {}'.format(action[1])
+                            watcher.print(msg)
+                            self.logger.info(msg)
+                            proc = SimpleProcess(['systemctl', 'start', action[1]], root_password=pwd)
+                        elif action[0] == 'link':
+                            msg = 'Creating symbolic link {} for {}'.format(action[1], action[2])
+                            watcher.print(msg)
+                            self.logger.info(msg)
+                            proc = SimpleProcess(['ln', '-s', action[2], action[1]], root_password=pwd)
+                        else:
+                            msg = "Wrong action '{}'".format(action)
+                            watcher.print(msg)
+                            self.logger.warning(msg)
+                            proc = None
+
+                        if not proc:
+                            return False
+
+                        success, output = handler.handle_simple(proc)
+
+                        if not success:
+                            watcher.show_message(title=self.i18n['error'].capitalize(),
+                                                 body=output,
+                                                 type_=MessageType.ERROR)
+                            return False
+
+                    watcher.show_message(title=self.i18n['snap.custom_action.setup_snapd.ready'],
+                                         body=self.i18n['snap.custom_action.setup_snapd.ready.body'],
+                                         type_=MessageType.INFO)
+            return True
+        else:
+            watcher.show_message(title=self.i18n['snap.custom_action.setup_snapd.ready'],
+                                 body=self.i18n['snap.custom_action.setup_snapd.ready.body'],
+                                 type_=MessageType.INFO)
+            return True

bauh/gems/arch/pacman.py

@@ -1113,3 +1113,7 @@ def get_packages_to_sync_first() -> Set[str]:
                 return {s.strip() for s in to_sync_first[0].split(' ') if s and s.strip()}
 
     return set()
+
+
+def is_snapd_installed() -> bool:
+    return bool(run_cmd('pacman -Qq snapd', print_error=False))

bauh/gems/arch/resources/locale/ca

@@ -68,6 +68,14 @@ arch.custom_action.refresh_mirrors.location.all.tip=If this option is checked, t
 arch.custom_action.refresh_mirrors.select_label=Check the desired locations
 arch.custom_action.refresh_mirrors.status.sorting=Sorting mirrors by speed
 arch.custom_action.refresh_mirrors.status.updating=Sorting mirrors by speed
+arch.custom_action.setup_snapd=Check Snaps support
+snap.custom_action.setup_snapd.missing_link=Create the link {} for {}
+arch.custom_action.setup_snapd.status=Checking Snaps support
+snap.custom_action.setup_snapd.ready=Ready!
+snap.custom_action.setup_snapd.ready.body=The system is ready to work with Snaps!
+snap.custom_action.setup_snapd.required_actions=Actions required for Snaps to work correctly
+snap.custom_action.setup_snapd.service_disabled=Enable the service {}
+snap.custom_action.setup_snapd.service_inactive=Start the service {}
 arch.custom_action.upgrade_system=Quick system upgrade
 arch.custom_action.upgrade_system.no_updates=There are no updates available
 arch.custom_action.upgrade_system.pkgs=The packages below will be upgraded

bauh/gems/arch/resources/locale/de

@@ -68,6 +68,14 @@ arch.custom_action.refresh_mirrors.location.all.tip=If this option is checked, t
 arch.custom_action.refresh_mirrors.select_label=Check the desired locations
 arch.custom_action.refresh_mirrors.status.sorting=Sorting mirrors by speed
 arch.custom_action.refresh_mirrors.status.updating=Sorting mirrors by speed
+arch.custom_action.setup_snapd=Check Snaps support
+snap.custom_action.setup_snapd.missing_link=Create the link {} for {}
+arch.custom_action.setup_snapd.status=Checking Snaps support
+snap.custom_action.setup_snapd.ready=Ready!
+snap.custom_action.setup_snapd.ready.body=The system is ready to work with Snaps!
+snap.custom_action.setup_snapd.required_actions=Actions required for Snaps to work correctly
+snap.custom_action.setup_snapd.service_disabled=Enable the service {}
+snap.custom_action.setup_snapd.service_inactive=Start the service {}
 arch.custom_action.upgrade_system=Quick system upgrade
 arch.custom_action.upgrade_system.no_updates=There are no updates available
 arch.custom_action.upgrade_system.pkgs=The packages below will be upgraded

bauh/gems/arch/resources/locale/en

@@ -69,6 +69,14 @@ arch.custom_action.refresh_mirrors.location.all.tip=If this option is checked, t
 arch.custom_action.refresh_mirrors.select_label=Check the desired locations
 arch.custom_action.refresh_mirrors.status.sorting=Sorting mirrors by speed
 arch.custom_action.refresh_mirrors.status.updating=Updating mirrors
+arch.custom_action.setup_snapd=Check Snaps support
+snap.custom_action.setup_snapd.missing_link=Create the link {} for {}
+arch.custom_action.setup_snapd.status=Checking Snaps support
+snap.custom_action.setup_snapd.ready=Ready!
+snap.custom_action.setup_snapd.ready.body=The system is ready to work with Snaps!
+snap.custom_action.setup_snapd.required_actions=Actions required for Snaps to work correctly
+snap.custom_action.setup_snapd.service_disabled=Enable the service {}
+snap.custom_action.setup_snapd.service_inactive=Start the service {}
 arch.custom_action.upgrade_system=Quick system upgrade
 arch.custom_action.upgrade_system.no_updates=There are no updates available
 arch.custom_action.upgrade_system.pkgs=The packages below will be upgraded

bauh/gems/arch/resources/locale/es

@@ -68,6 +68,14 @@ arch.custom_action.refresh_mirrors.location.all.tip=Si esta opción está marcad
 arch.custom_action.refresh_mirrors.select_label=Marcar las ubicaciones deseadas
 arch.custom_action.refresh_mirrors.status.sorting=Ordenando los espejos por velocidad
 arch.custom_action.refresh_mirrors.status.updating=Actualizando espejos
+arch.custom_action.setup_snapd=Verificar soporte de Snaps
+snap.custom_action.setup_snapd.missing_link=Crear el link {} para {}
+arch.custom_action.setup_snapd.status=Verificando soporte de Snaps
+snap.custom_action.setup_snapd.ready=¡Listo!
+snap.custom_action.setup_snapd.ready.body=¡El sistema está listo para trabajar con Snaps!
+snap.custom_action.setup_snapd.required_actions=Acciones necesarias para que los Snaps funcionen correctamente
+snap.custom_action.setup_snapd.service_disabled=Habilitar el servicio {}
+snap.custom_action.setup_snapd.service_inactive=Iniciar el servicio {}
 arch.custom_action.upgrade_system=Actualización rápida de sistema
 arch.custom_action.upgrade_system.no_updates=No hay actualizaciones disponibles
 arch.custom_action.upgrade_system.pkgs=Los paquetes abajo serán actualizados

bauh/gems/arch/resources/locale/it

@@ -68,6 +68,14 @@ arch.custom_action.refresh_mirrors.location.all.tip=If this option is checked, t
 arch.custom_action.refresh_mirrors.select_label=Check the desired locations
 arch.custom_action.refresh_mirrors.status.sorting=Sorting mirrors by speed
 arch.custom_action.refresh_mirrors.status.updating=Sorting mirrors by speed
+arch.custom_action.setup_snapd=Check Snaps support
+snap.custom_action.setup_snapd.missing_link=Create the link {} for {}
+arch.custom_action.setup_snapd.status=Checking Snaps support
+snap.custom_action.setup_snapd.ready=Ready!
+snap.custom_action.setup_snapd.ready.body=The system is ready to work with Snaps!
+snap.custom_action.setup_snapd.required_actions=Actions required for Snaps to work correctly
+snap.custom_action.setup_snapd.service_disabled=Enable the service {}
+snap.custom_action.setup_snapd.service_inactive=Start the service {}
 arch.custom_action.upgrade_system=Quick system upgrade
 arch.custom_action.upgrade_system.no_updates=There are no updates available
 arch.custom_action.upgrade_system.pkgs=The packages below will be upgraded

bauh/gems/arch/resources/locale/pt

@@ -68,6 +68,14 @@ arch.custom_action.refresh_mirrors.location.all.tip=Se essa opção estiver marc
 arch.custom_action.refresh_mirrors.select_label=Marque as localizações desejadas
 arch.custom_action.refresh_mirrors.status.sorting=Ordenando os espelhos por velocidade
 arch.custom_action.refresh_mirrors.status.updating=Atualizando espelhos
+arch.custom_action.setup_snapd=Verificar suporte ao Snaps
+snap.custom_action.setup_snapd.missing_link=Criar o link {} para {}
+arch.custom_action.setup_snapd.status=Verificando suporte aos Snaps
+snap.custom_action.setup_snapd.ready=Pronto!
+snap.custom_action.setup_snapd.ready.body=O sistema está pronto para trabalhar com Snaps!
+snap.custom_action.setup_snapd.required_actions=Ações necessárias para que os Snaps funcionem corretamente
+snap.custom_action.setup_snapd.service_disabled=Habilitar o serviço {}
+snap.custom_action.setup_snapd.service_inactive=Iniciar o serviço {}
 arch.custom_action.upgrade_system=Atualização rápida de sistema
 arch.custom_action.upgrade_system.no_updates=Não há atualizações disponíveis
 arch.custom_action.upgrade_system.pkgs=Os pacotes abaixo serão atualizados

bauh/gems/arch/resources/locale/ru

@@ -68,6 +68,14 @@ arch.custom_action.refresh_mirrors.location.all.tip=Если этот парам
 arch.custom_action.refresh_mirrors.select_label=Проверка предпочитаемых расположений
 arch.custom_action.refresh_mirrors.status.sorting=Sorting mirrors by speed
 arch.custom_action.refresh_mirrors.status.updating=Сортировка зеркал по скорости
+arch.custom_action.setup_snapd=Check Snaps support
+snap.custom_action.setup_snapd.missing_link=Create the link {} for {}
+arch.custom_action.setup_snapd.status=Checking Snaps support
+snap.custom_action.setup_snapd.ready=Ready!
+snap.custom_action.setup_snapd.ready.body=The system is ready to work with Snaps!
+snap.custom_action.setup_snapd.required_actions=Actions required for Snaps to work correctly
+snap.custom_action.setup_snapd.service_disabled=Enable the service {}
+snap.custom_action.setup_snapd.service_inactive=Start the service {}
 arch.custom_action.upgrade_system=Обновление системы
 arch.custom_action.upgrade_system.no_updates=Обновления отсутствуют
 arch.custom_action.upgrade_system.pkgs=Следующие пакеты будут обновлены

bauh/gems/arch/resources/locale/tr

@@ -68,6 +68,14 @@ arch.custom_action.refresh_mirrors.location.all.tip=Bu seçenek işaretlenirse,
 arch.custom_action.refresh_mirrors.select_label=İstediğiniz konumları kontrol edin
 arch.custom_action.refresh_mirrors.status.sorting=Yansıları hıza göre sırala
 arch.custom_action.refresh_mirrors.status.updating=Yansılar güncelleniyor
+arch.custom_action.setup_snapd=Check Snaps support
+snap.custom_action.setup_snapd.missing_link=Create the link {} for {}
+arch.custom_action.setup_snapd.status=Checking Snaps support
+snap.custom_action.setup_snapd.ready=Ready!
+snap.custom_action.setup_snapd.ready.body=The system is ready to work with Snaps!
+snap.custom_action.setup_snapd.required_actions=Actions required for Snaps to work correctly
+snap.custom_action.setup_snapd.service_disabled=Enable the service {}
+snap.custom_action.setup_snapd.service_inactive=Start the service {}
 arch.custom_action.upgrade_system=Sistemi hızlı yükselt
 arch.custom_action.upgrade_system.no_updates=Güncelleme yok
 arch.custom_action.upgrade_system.pkgs=Aşağıdaki paketler yükseltilecek