dnf/yum - added install_weak_deps option (#50525)

* dnf/yum - added install_weak_deps option

* skip creating weak dep packages if rpm doesn't support it

* fix rpm check for older hosts

lib/ansible/module_utils/yumdnf.py

@@ -34,6 +34,7 @@ yumdnf_argument_spec = dict(
         exclude=dict(type='list', default=[]),
         installroot=dict(type='str', default="/"),
         install_repoquery=dict(type='bool', default=True),
+        install_weak_deps=dict(type='bool', default=True),
         list=dict(type='str'),
         name=dict(type='list', aliases=['pkg'], default=[]),
         releasever=dict(default=None),
@@ -77,6 +78,7 @@ class YumDnf(with_metaclass(ABCMeta, object)):
         self.exclude = self.module.params['exclude']
         self.installroot = self.module.params['installroot']
         self.install_repoquery = self.module.params['install_repoquery']
+        self.install_weak_deps = self.module.params['install_weak_deps']
         self.list = self.module.params['list']
         self.names = [p.strip() for p in self.module.params['name']]
         self.releasever = self.module.params['releasever']

lib/ansible/modules/packaging/os/dnf.py

@@ -184,6 +184,12 @@ options:
     default: 0
     type: int
     version_added: "2.8"
+  install_weak_deps:
+    description:
+      - Will also install all packages linked by a weak dependency relation.
+    type: bool
+    default: "yes"
+    version_added: "2.8"
 notes:
   - When used with a `loop:` each package will be processed individually, it is much more efficient to pass the list directly to the `name` option.
   - Group removal doesn't work if the group was installed with Ansible because
@@ -559,6 +565,9 @@ class DnfModule(YumDnf):
         # Default in dnf upstream is true
         conf.clean_requirements_on_remove = self.autoremove
 
+        # Default in dnf (and module default) is True
+        conf.install_weak_deps = self.install_weak_deps
+
     def _specify_repositories(self, base, disablerepo, enablerepo):
         """Enable and disable repositories matching the provided patterns."""
         base.read_all_repos()

lib/ansible/modules/packaging/os/yum.py

@@ -190,6 +190,13 @@ options:
     default: 0
     type: int
     version_added: "2.8"
+  install_weak_deps:
+    description:
+      - Will also install all packages linked by a weak dependency relation.
+      - "NOTE: This feature requires yum >= 4 (RHEL/CentOS 8+)"
+    type: bool
+    default: "yes"
+    version_added: "2.8"
 notes:
   - When used with a `loop:` each package will be processed individually,
     it is much more efficient to pass the list directly to the `name` option.