feat(frontend): allow to set that db history tables were updated

Author: ghormoon

pillar.example

@@ -174,6 +174,13 @@ zabbix:
       # unset dbsocket, it's not used with PostgreSQL
       dbsocket: ""
 
+# Example with DB upgraded for >=5.0
+zabbix:
+  lookup:
+    version_repo: 5.4
+    frontend:
+      historyupgraded: true
+
 zabbix-pgsql:
   # By default SQL dump provided by Zabbix package will be used, but you can
   # put your own dump in corresponding directory (consult with TOFS_pattern.md)

zabbix/defaults.yaml

@@ -55,6 +55,7 @@ zabbix:
     zbxserver: localhost
     zbxserverport: '10051'
     zbxservername: Zabbix installed with SaltStack
+    historyupgraded: false
   proxy:
     pkgs:
       - zabbix-proxy-sqlite3

zabbix/files/default/etc/zabbix/web/zabbix.conf.php.jinja

@@ -23,4 +23,7 @@ $ZBX_SERVER_PORT		= '{{ settings.get('zbxserverport', defaults.zbxserverport) }}
 $ZBX_SERVER_NAME		= '{{ settings.get('zbxservername', defaults.zbxservername) }}';
 
 $IMAGE_FORMAT_DEFAULT	= IMAGE_FORMAT_PNG;
+{% if defaults['historyupgraded'] -%}
+$DB['DOUBLE_IEEE754'] = 'true';
+{% endif -%}
 ?>