Added checks for empty list of hostgroups, improved some logging

modules/device.py

@@ -135,9 +135,14 @@ class PhysicalDevice:
             self.hostgroups = [hg.generate(f) for f in hg_format]
         else:
             self.hostgroups.append(hg.generate(hg_format))
-        self.hostgroups = list(set(self.hostgroups))
+        # Remove dyuplicates and None values
-        self.logger.debug(f"Host {self.name}: Should be member " 
+        self.hostgroups = list(filter(None, list(set(self.hostgroups))))
-                          f"of groups: {self.hostgroups}")
+        if self.hostgroups:
+            self.logger.debug(f"Host {self.name}: Should be member " 
+                              f"of groups: {self.hostgroups}")
+            return True
+        return False
+
 
     def set_template(self, prefer_config_context, overrule_custom):
         """Set Template"""
@@ -180,8 +185,6 @@ class PhysicalDevice:
         self.logger.warning(e)
         raise TemplateError(e)
 
-
-
     def get_templates_context(self):
         """Get Zabbix templates from the device context"""
         if "zabbix" not in self.config_context:
@@ -301,7 +304,8 @@ class PhysicalDevice:
                             "name": zbx_template["name"],
                         }
                     )
-                    e = f"Host {self.name}: found template {zbx_template['name']}"
+                    e = (f"Host {self.name}: Found template '{zbx_template['name']}' "
+                         f"(ID:{zbx_template['templateid']})")
                     self.logger.debug(e)
             # Return error should the template not be found in Zabbix
             if not template_match:
@@ -324,7 +328,7 @@ class PhysicalDevice:
                 if group["name"] == hg:
                     self.group_ids.append({"groupid": group["groupid"]})
                     e = (
-                        f"Host {self.name}: matched group "
+                        f"Host {self.name}: Matched group "
                         f"\"{group['name']}\" (ID:{group['groupid']})"
                     )
                     self.logger.debug(e)
@@ -506,7 +510,6 @@ class PhysicalDevice:
                 templateids.append({"templateid": template["templateid"]})
             # Set interface, group and template configuration
             interfaces = self.setInterfaceDetails()
-            groups = self.group_ids
             # Set Zabbix proxy if defined
             self.setProxy(proxies)
             # Set basic data for host creation
@@ -515,7 +518,7 @@ class PhysicalDevice:
                 "name": self.visible_name,
                 "status": self.zabbix_state,
                 "interfaces": interfaces,
-                "groups": groups,
+                "groups": self.group_ids,
                 "templates": templateids,
                 "description": description,
                 "inventory_mode": self.inventory_mode,
@@ -544,7 +547,7 @@ class PhysicalDevice:
             # Set NetBox custom field to hostID value.
             self.nb.custom_fields[config["device_cf"]] = int(self.zabbix_id)
             self.nb.save()
-            msg = f"Host {self.name}: Created host in Zabbix."
+            msg = f"Host {self.name}: Created host in Zabbix. (ID:{self.zabbix_id})"
             self.logger.info(msg)
             self.create_journal_entry("success", msg)
         else:
@@ -944,8 +947,8 @@ class PhysicalDevice:
                     tmpls_from_zabbix.pop(pos)
                     succesfull_templates.append(nb_tmpl)
                     self.logger.debug(
-                        f"Host {self.name}: template "
+                        f"Host {self.name}: Template "
-                        f"{nb_tmpl['name']} is present in Zabbix."
+                        f"'{nb_tmpl['name']}' is present in Zabbix."
                     )
                     break
         if (

modules/hostgroups.py

@@ -93,6 +93,7 @@ class Hostgroup:
                 format_options["cluster"] = self.nb.cluster.name
                 format_options["cluster_type"] = self.nb.cluster.type.name
         self.format_options = format_options
+        self.logger.debug(f"Host {self.name}: Resolved properties for use in hostgroups: {self.format_options}")
 
     def set_nesting(
         self, nested_sitegroup_flag, nested_region_flag, nb_groups, nb_regions
@@ -135,17 +136,18 @@ class Hostgroup:
             hostgroup_value = self.format_options[hg_item]
             if hostgroup_value:
                 hg_output.append(hostgroup_value)
+            else:
+                self.logger.info(f"Host {self.name}: Used field '{hg_item}' has no value.")
         # Check if the hostgroup is populated with at least one item.
         if bool(hg_output):
             return "/".join(hg_output)
         msg = (
-            f"Unable to generate hostgroup for host {self.name}."
+            f"Host {self.name}: Generating hostgroup name for '{hg_format}' failed. " 
-            " Not enough valid items. This is most likely"
+            f"This is most likely due to fields that have no value."
-            " due to the use of custom fields that are empty"
-            " or an invalid hostgroup format."
         )
-        self.logger.error(msg)
+        self.logger.warning(msg)
-        raise HostgroupError(msg)
+        return None
+        #raise HostgroupError(msg)
 
     def list_formatoptions(self):
         """

netbox_zabbix_sync.py

@@ -212,6 +212,8 @@ def main(arguments):
                 config["hostgroup_format"], netbox_site_groups, netbox_regions)
             # Check if a valid hostgroup has been found for this VM.
             if not device.hostgroups:
+                logger.warning(f"Host {device.name}: Host has no valid "
+                               f"hostgroups, Skipping this host...")
                 continue
             device.set_inventory(nb_device)
             device.set_usermacros()