ensure host errata are tracked and updated

fixes: 788

Author: furlongm

hosts/models.py

@@ -204,6 +204,8 @@ def find_updates(self):
         host_packages = self.packages.exclude(kernels_q).distinct()
         kernel_packages = self.packages.filter(kernels_q)
 
+        errata_ids = set()
+
         if self.host_repos_only:
             update_ids = self.find_host_repo_updates(host_packages, repo_packages)
         else:
@@ -217,6 +219,10 @@ def find_updates(self):
             if update.id not in update_ids:
                 self.updates.remove(update)
 
+        for erratum in self.errata.all():
+            if erratum.id not in errata_ids:
+                self.errata.remove(erratum)
+
     def find_host_repo_updates(self, host_packages, repo_packages):
 
         update_ids = []
@@ -258,6 +264,7 @@ def find_host_repo_updates(self, host_packages, repo_packages):
                     if errata:
                         for erratum in errata:
                             self.errata.add(erratum)
+                            errata_ids.add(erratum.id)
                     if highest_package.compare_version(pu) == -1:
                         if priority is not None:
                             # proceed only if the package is from a repo with a
@@ -304,6 +311,7 @@ def find_osrelease_repo_updates(self, host_packages, repo_packages):
                     if errata:
                         for erratum in errata:
                             self.errata.add(erratum)
+                            errata_ids.add(erratum.id)
                     if highest_package.compare_version(pu) == -1:
                         highest_package = pu