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Alexander Zobnin
2021-03-16 17:54:50 +03:00
parent e77990f941
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docs/sources/configuration/direct_db_datasource.md
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# SQL Data Source Configuration
# Direct DB Data Source Configuration
## Security notes
Grafana-Zabbix plugin can use MySQL, Postgres or InfluxDB (if Zabbix configured to store history data in InfluxDB) data sources to query history and trend data directly from Zabbix database. In order to execute queries, plugin needs only read access to the `history`, `history_uint`, `trends` and `trends_uint` tables. To make connection more secure and prevent unnecessary data disclosure, it's highly recommended to grant read access to only that tables. But if you want to use this data source for querying another data, you can
grant `SELECT` privileges to entire zabbix database. Also, all queries are invoked by grafana server, so you can restrict connection to only grafana host. Here's MySQL example:
```sql
GRANT SELECT ON zabbix.* TO 'grafana'@'grafana-host' identified by 'password';
```
## MySQL
@@ -9,29 +18,12 @@ In order to use _Direct DB Connection_ feature you should configure SQL data sou
Select _MySQL_ data source type and provide your database host address and port (3306 is default for MySQL). Fill
database name (usually, `zabbix`) and specify credentials.
### Security notes
As you can see in _User Permission_ note, Grafana doesn't restrict any queries to the database. So you should be careful
and create a special user with limited access to Zabbix database. Grafana-Zabbix plugin uses only `SELECT` queries to
`history`, `history_uint`, `trends` and `trends_uint` tables. So it's reasonable to grant only SELECT privileges to
these tables for grafana user. But if you want to use this MySQL data source for querying another data, you can
grant SELECT privileges to entire zabbix database.
Also, all queries are invoked by grafana-server, so you can restrict connection to only grafana host.
```sql
GRANT SELECT ON zabbix.* TO 'grafana'@'grafana-host' identified by 'password';
```
## PostgreSQL
Select _PostgreSQL_ data source type and provide your database host address and port (5432 is default). Fill
database name (usually, `zabbix`) and specify credentials.
![Configure PostgreSQL data source](../img/installation-postgres_ds_config.png)
### Security notes
Make sure you use read-only user for Zabbix database.
## InfluxDB