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PostgreSQL: Support PGPASSFILE by making password optional (#108856)

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* datasource(postgresql): add support of pgpass file

* remove `required` label for password field

* set `runPostgresTests` back to false

* fix after merge conflict

* add pgx_test

* set `runPostgresTests` back to `false`

* Add `no password` test case to the `pgx_test.go` as well

* fix `postgres_pgx_test.go`

* Update datasource docs

* docs wording

* docs: `datasource` -> `data source`

* Update docs/sources/datasources/postgres/configure/_index.md

Co-authored-by: Zoltán Bedi <zoltan.bedi@gmail.com>

* run prettier - docs

---------

Co-authored-by: Zoltán Bedi <zoltan.bedi@gmail.com>
This commit is contained in:
Taras
2025-09-26 16:23:40 +02:00
committed by GitHub
co-authored by Zoltán Bedi
parent 00fb2e9537
commit e7f57446c1
5 changed files with 109 additions and 32 deletions
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docs/sources/datasources/postgres/configure/_index.md
+8 -8
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@@ -102,14 +102,14 @@ Following is a list of PostgreSQL configuration options:
**Authentication section:**
| Setting | Description |
| --------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| Username | Enter the username used to connect to your PostgreSQL database. |
| Password | Enter the password used to connect to the PostgreSQL database. |
| TLS/SSL Mode | Determines whether or with what priority a secure SSL TCP/IP connection will be negotiated with the server. When TLS/SSL Mode is disabled, TLS/SSL Method and TLS/SSL Auth Details aren’t visible options. |
| TLS/SSL Method | Determines how TLS/SSL certificates are configured. |
| - File system path | This option allows you to configure certificates by specifying paths to existing certificates on the local file system where Grafana is running. Ensure this file is readable by the user executing the Grafana process. |
| - Certificate content | This option allows you to configure certificate by specifying their content. The content is stored and encrypted in the Grafana database. When connecting to the database, the certificates are saved as files, on the local filesystem, in the Grafana data path. |
| Setting | Description |
| --------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Username | Enter the username used to connect to your PostgreSQL database. |
| Password | Enter the password used to connect to the PostgreSQL database. If a password is not specified and your PostgreSQL is configured to request a password, data source will look for a [standard PostgreSQL password file](https://www.postgresql.org/docs/current/static/libpq-pgpass.html). |
| TLS/SSL Mode | Determines whether or with what priority a secure SSL TCP/IP connection will be negotiated with the server. When TLS/SSL Mode is disabled, TLS/SSL Method and TLS/SSL Auth Details aren’t visible options. |
| TLS/SSL Method | Determines how TLS/SSL certificates are configured. |
| - File system path | This option allows you to configure certificates by specifying paths to existing certificates on the local file system where Grafana is running. Ensure this file is readable by the user executing the Grafana process. |
| - Certificate content | This option allows you to configure certificate by specifying their content. The content is stored and encrypted in the Grafana database. When connecting to the database, the certificates are saved as files, on the local filesystem, in the Grafana data path. |
**TLS/SSL Auth Details:**