Initial support for archlinux updates through pacman_cli

vmupdate/agent/entrypoint.py

@@ -70,7 +70,10 @@ def get_package_manager(os_data, log, log_handler, log_level, no_progress):
 
         if no_progress:
             from source.dnf.dnf_cli import DNFCLI as PackageManager
+    elif os_data["os_family"] == "ArchLinux":
+        from source.pacman.pacman_cli import PACMANCLI as PackageManager
     else:
+        print(os_data["os_family"])
         raise NotImplementedError(
             "Only Debian and RedHat based OS is supported.")
 
@@ -86,5 +89,6 @@ def get_package_manager(os_data, log, log_handler, log_level, no_progress):
 if __name__ == '__main__':
     try:
         sys.exit(main())
-    except RuntimeError:
+    except RuntimeError as ex:
+        print(ex)
         sys.exit(1)

vmupdate/agent/source/common/package_manager.py

@@ -255,7 +255,7 @@ def upgrade_internal(self, remove_obsolete: bool) -> ProcessResult:
         Just run upgrade via CLI.
         """
         cmd = [self.package_manager,
-               "-y",
+               "--noconfirm" if self.package_manager == "pacman" else "-y",
                *self.get_action(remove_obsolete)]
 
         return self.run_cmd(cmd)

vmupdate/agent/source/pacman/__init__.py

@@ -0,0 +1,20 @@
+# coding=utf-8
+#
+# The Qubes OS Project, http://www.qubes-os.org
+#
+# Copyright (C) 2022  Piotr Bartman <[email protected]>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
+# USA.

vmupdate/agent/source/pacman/pacman_cli.py

@@ -0,0 +1,68 @@
+# coding=utf-8
+#
+# The Qubes OS Project, http://www.qubes-os.org
+#
+# Copyright (C) 2022  Piotr Bartman <[email protected]>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
+# USA.
+
+import shutil
+from typing import List
+
+from source.common.package_manager import PackageManager
+from source.common.process_result import ProcessResult
+
+
+class PACMANCLI(PackageManager):
+    def __init__(self, log_handler, log_level):
+        super().__init__(log_handler, log_level)
+        self.package_manager: str = "pacman"
+
+    def refresh(self, hard_fail: bool) -> ProcessResult:
+        """
+        Use package manager to refresh available packages.
+
+        :param hard_fail: raise error if some repo is unavailable
+        :return: (exit_code, stdout, stderr)
+        """
+        cmd = [ self.package_manager,
+                "-Sy" ]
+        return  self.run_cmd(cmd)
+
+    def get_packages(self):
+        """
+        Use pacman to return the installed packages and their versions.
+        """
+
+        cmd = [ self.package_manager, 
+                "-Q" ]
+        # EXAMPLE OUTPUT:
+        # qubes-vm-core 4.2.25-1
+        result = self.run_cmd(cmd)
+
+        packages = {}
+        for line in result.out.splitlines():
+            cols = line.split()
+            package, version = cols
+            packages.setdefault(package, []).append(version)
+
+        return packages
+
+    def get_action(self, remove_obsolete) -> List[str]:
+        """
+        Pacman will handle obsoletions itself
+        """
+        return ["-Syu"]

vmupdate/agent/source/utils.py

@@ -35,7 +35,7 @@ def get_os_data(logger: Optional = None) -> Dict[str, Any]:
     name: "Linux" or a string identifying the operating system,
     codename (optional): an operating system release code name,
     release (optional): packaging.version.Version,
-    os_family: "Unknown", "RedHat", "Debian".
+    os_family: "Unknown", "RedHat", "Debian", "ArchLinux".
     """
     data = {}
 
@@ -64,6 +64,9 @@ def get_os_data(logger: Optional = None) -> Dict[str, Any]:
     if 'rhel' in family or 'fedora' in family:
         data["os_family"] = 'RedHat'
 
+    if 'arch' in family:
+        data["os_family"] = 'ArchLinux'
+
     return data