[flatpak] Add flatpak pkg manager

Related: RH SUPDEV-136

Signed-off-by: Jose Castillo <[email protected]>

sos/policies/distros/redhat.py

@@ -19,6 +19,8 @@
                                 ATOMIC)
 from sos.policies.distros import LinuxPolicy, ENV_HOST_SYSROOT
 from sos.policies.package_managers.rpm import RpmPackageManager
+from sos.policies.package_managers.flatpak import FlatpakPackageManager
+from sos.policies.package_managers import MultiPackageManager
 from sos.utilities import bold
 from sos import _sos as _
 
@@ -57,8 +59,11 @@ def __init__(self, sysroot=None, init=None, probe_runtime=True,
                                            remote_exec=remote_exec)
         self.usrmove = False
 
-        self.package_manager = RpmPackageManager(chroot=self.sysroot,
-                                                 remote_exec=remote_exec)
+        self.package_manager = MultiPackageManager(
+                primary=RpmPackageManager,
+                fallbacks=[FlatpakPackageManager],
+                chroot=self.sysroot,
+                remote_exec=remote_exec)
 
         self.valid_subclasses += [RedHatPlugin]
 

sos/policies/package_managers/flatpak.py

@@ -0,0 +1,30 @@
+# Copyright 2023 Red Hat, Inc. Jose Castillo <[email protected]>
+
+# This file is part of the sos project: https://github.com/sosreport/sos
+#
+# This copyrighted material is made available to anyone wishing to use,
+# modify, copy, or redistribute it subject to the terms and conditions of
+# version 2 of the GNU General Public License.
+#
+# See the LICENSE file in the source distribution for further information.
+
+from sos.policies.package_managers import PackageManager
+
+
+class FlatpakPackageManager(PackageManager):
+    """Package Manager for Flatpak distributions
+    """
+
+    query_command = 'flatpak list --columns=name,version'
+    query_path_command = ''
+    files_command = ''
+    verify_command = ''
+    verify_filter = ''
+
+    def _parse_pkg_list(self, pkg_list):
+        for line in pkg_list.splitlines():
+            pkg = line.split()
+            name, version = pkg[0], pkg[1]
+            yield (name, version, None)
+
+# vim: set et ts=4 sw=4 :