fix tag handling

hosts/models.py

@@ -85,7 +85,7 @@ def show(self):
         text += f'Packages     : {self.get_num_packages()}\n'
         text += f'Repos        : {self.get_num_repos()}\n'
         text += f'Updates      : {self.get_num_updates()}\n'
-        text += f'Tags         : {self.tags}\n'
+        text += f'Tags         : {" ".join(self.tags.slugs())}\n'
         text += f'Needs reboot : {self.reboot_required}\n'
         text += f'Updated at   : {self.updated_at}\n'
         text += f'Host repos   : {self.host_repos_only}\n'

hosts/utils.py

@@ -18,8 +18,9 @@
 from socket import gethostbyaddr, gaierror, herror
 
 from django.db import transaction, IntegrityError
+from taggit.models import Tag
 
-from patchman.signals import error_message
+from patchman.signals import error_message, info_message
 
 
 def update_rdns(host):
@@ -62,7 +63,7 @@ def get_or_create_host(report, arch, osvariant, domain):
             host.osvariant = osvariant
             host.domain = domain
             host.lastreport = report.created
-            host.tags = report.tags
+            host.tags.set(report.tags.split(','), clear=True)
             if report.reboot == 'True':
                 host.reboot_required = True
             else:
@@ -73,3 +74,17 @@ def get_or_create_host(report, arch, osvariant, domain):
     if host:
         host.check_rdns()
         return host
+
+
+def clean_tags():
+    """ Delete Tags that have no Host
+    """
+    tags = Tag.objects.filter(
+        host__isnull=True,
+    )
+    tlen = tags.count()
+    if tlen == 0:
+        info_message.send(sender=None, text='No orphaned Tags found.')
+    else:
+        info_message.send(sender=None, text=f'{tlen} orphaned Tags found.')
+        tags.delete()

sbin/patchman

@@ -34,6 +34,7 @@ from errata.utils import mark_errata_security_updates, enrich_errata, \
     scan_package_updates_for_affected_packages
 from errata.tasks import update_errata
 from hosts.models import Host
+from hosts.utils import clean_tags
 from modules.utils import clean_modules
 from packages.utils import clean_packages, clean_packageupdates, clean_packagenames
 from repos.models import Repository
@@ -362,6 +363,7 @@ def dbcheck(remove_duplicates=False):
     clean_repos()
     clean_modules()
     clean_packageupdates()
+    clean_tags()
 
 
 def collect_args():