zabbix inventory: options to read per each host and set ansible_ssh_host (#44107)

changelogs/fragments/zabbix_inventory_vars.yaml

@@ -0,0 +1,4 @@
+---
+minor_changes:
+  - Add option to read zabbix inventory per each host
+  - Add option to set ansible_ssh_host based on first interface settings

contrib/inventory/zabbix.ini

@@ -12,3 +12,9 @@ password = zabbix
 
 # Verify the server's SSL certificate
 validate_certs = True
+
+# Read zabbix inventory per host
+read_host_inventory = True
+
+# Set ansible_ssh_host based on first interface settings
+use_host_interface = True

contrib/inventory/zabbix.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
 # (c) 2013, Greg Buehler
+# (c) 2018, Filippo Ferrazini
 #
 # This file is part of Ansible,
 #
@@ -29,7 +30,7 @@ name, use asterisk. For example --limit="Linux*servers".
 
 Configuration is read from `zabbix.ini`.
 
-Tested with Zabbix Server 2.0.6 and 3.2.3.
+Tested with Zabbix Server 2.0.6, 3.2.3 and 3.4.
 """
 
 from __future__ import print_function
@@ -74,6 +75,14 @@ class ZabbixInventory(object):
         if config.has_option('zabbix', 'validate_certs'):
             if config.get('zabbix', 'validate_certs') in ['false', 'False', False]:
                 self.validate_certs = False
+        # host inventory
+        if config.has_option('zabbix', 'read_host_inventory'):
+            if config.get('zabbix', 'read_host_inventory') in ['true', 'True', True]:
+                self.read_host_inventory = True
+        # host interface
+        if config.has_option('zabbix', 'use_host_interface'):
+            if config.get('zabbix', 'use_host_interface') in ['false', 'False', False]:
+                self.use_host_interface = False
 
     def read_cli(self):
         parser = argparse.ArgumentParser()
@@ -87,17 +96,43 @@ class ZabbixInventory(object):
         }
 
     def get_host(self, api, name):
+        api_query = {'output': 'extend', 'selectGroups': 'extend', "filter": {"host": [name]}}
+        if self.use_host_interface:
+            api_query['selectInterfaces'] = ['useip', 'ip', 'dns']
+        if self.read_host_inventory:
+            api_query['selectInventory'] = "extend"
+
         data = {'ansible_ssh_host': name}
+        if self.use_host_interface or self.read_host_inventory:
+            try:
+                hosts_data = api.host.get(api_query)[0]
+                if 'interfaces' in hosts_data:
+                    # use first interface only
+                    if hosts_data['interfaces'][0]['useip'] == 0:
+                        data['ansible_ssh_host'] = hosts_data['interfaces'][0]['dns']
+                    else:
+                        data['ansible_ssh_host'] = hosts_data['interfaces'][0]['ip']
+                if ('inventory' in hosts_data) and (hosts_data['inventory']):
+                    data.update(hosts_data['inventory'])
+            except IndexError:
+                # Host not found in zabbix
+                pass
         return data
 
     def get_list(self, api):
-        hostsData = api.host.get({'output': 'extend', 'selectGroups': 'extend'})
+        api_query = {'output': 'extend', 'selectGroups': 'extend'}
+        if self.use_host_interface:
+            api_query['selectInterfaces'] = ['useip', 'ip', 'dns']
+        if self.read_host_inventory:
+            api_query['selectInventory'] = "extend"
+
+        hosts_data = api.host.get(api_query)
+        data = {'_meta': {'hostvars': {}}}
 
-        data = {}
         data[self.defaultgroup] = self.hoststub()
-
-        for host in hostsData:
+        for host in hosts_data:
             hostname = host['name']
+            hostvars = dict()
             data[self.defaultgroup]['hosts'].append(hostname)
 
             for group in host['groups']:
@@ -107,9 +142,15 @@ class ZabbixInventory(object):
                     data[groupname] = self.hoststub()
 
                 data[groupname]['hosts'].append(hostname)
-
-        # Prevents Ansible from calling this script for each server with --host
-        data['_meta'] = {'hostvars': self.meta}
+            if 'interfaces' in host:
+                # use first interface only
+                if host['interfaces'][0]['useip'] == 0:
+                    hostvars['ansible_ssh_host'] = host['interfaces'][0]['dns']
+                else:
+                    hostvars['ansible_ssh_host'] = host['interfaces'][0]['ip']
+            if ('inventory' in host) and (host['inventory']):
+                hostvars.update(host['inventory'])
+            data['_meta']['hostvars'][hostname] = hostvars
 
         return data
 
@@ -120,6 +161,9 @@ class ZabbixInventory(object):
         self.zabbix_username = None
         self.zabbix_password = None
         self.validate_certs = True
+        self.read_host_inventory = False
+        self.use_host_interface = True
+
         self.meta = {}
 
         self.read_settings()