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genai-toolbox/docs/sources/cloud-sql-pg.md
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Co-authored-by: Kurtis Van Gent <31518063+kurtisvg@users.noreply.github.com>
2024-12-17 13:49:43 -05:00

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# Cloud SQL for PostgreSQL Source
[Cloud SQL for PostgreSQL][csql-pg-docs] is a fully-managed database service
that helps you set up, maintain, manage, and administer your PostgreSQL
relational databases on Google Cloud Platform.
If you are new to Cloud SQL for PostgreSQL, you can try [creating and connecting
to a database by following these instructions][csql-pg-quickstart].
[csql-pg-docs]: https://cloud.google.com/sql/docs/postgres
[csql-pg-quickstart]: https://cloud.google.com/sql/docs/postgres/connect-instance-local-computer
## Requirements
### IAM Identity
By default, this source uses the [Cloud SQL Go Connector][csql-go-conn] to
authorize and establish mTLS connections to your Cloud SQL instance. The Go
connector uses your [Application Default Credentials (ADC)][adc] to authorize
your connection to Cloud SQL.
In addition to [setting the ADC for your server][set-adc], you need to ensure the
IAM identity has been given the following IAM roles:
- `roles/cloudsql.client`
[csql-go-conn]: https://github.com/GoogleCloudPlatform/cloud-sql-go-connector
[adc]: https://cloud.google.com/docs/authentication#adc
[set-adc]: https://cloud.google.com/docs/authentication/provide-credentials-adc
### Network Path
Currently, this source only supports [connecting over Public IP][public-ip].
Because it uses the Go connector, is uses rotating client certificates to
establish a secure mTLS connection with the instance.
[public-ip]: https://cloud.google.com/sql/docs/postgres/configure-ip
### Database User
Current, this source only uses standard authentication. You will need to [create a
PostreSQL user][cloud-sql-users] to login to the database with.
[cloud-sql-users]: https://cloud.google.com/sql/docs/postgres/create-manage-users
## Example
```yaml
sources:
my-cloud-sql-pg-source:
kind: "cloud-sql-pg-postgres"
project: "my-project"
region: "us-central1"
instance: "my-instance"
database: "my_db"
user: "my-user"
password: "my-password"
```
## Reference
| **field** | **type** | **required** | **description** |
|-----------|:--------:|:------------:|------------------------------------------------------------------------------|
| kind | string | true | Must be "cloud-sql-postgres". |
| project | string | true | Name of the GCP project that the cluster was created in (e.g. "my-project"). |
| region | string | true | Name of the GCP region that the cluster was created in (e.g. "us-central1"). |
| instance | string | true | Name of the Cloud SQL instance within the cluser (e.g. "my-instance"). |
| ip_type | string | true | IP Type of the Cloud SQL instance, must be either `public` or `private`. Default: `public`. |
| database | string | true | Name of the Postgres database to connect to (e.g. "my_db"). |
| user | string | true | Name of the Postgres user to connect as (e.g. "my-pg-user"). |
| password | string | true | Password of the Postgres user (e.g. "my-password"). |