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Add pg_probackup plugin#92

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demonolock merged 9 commits intomasterfromadd-pg-probackup-plugin
Jan 18, 2024
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2 changes: 1 addition & 1 deletionsetup.py
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Expand Up@@ -27,7 +27,7 @@
readme = f.read()

setup(
version='1.9.3',
version='1.10.0',
name='testgres',
packages=['testgres', 'testgres.operations', 'testgres.helpers'],
description='Testing utility for PostgreSQL and its extensions',
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9 changes: 9 additions & 0 deletionstestgres/plugins/__init__.py
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from pg_probackup2.gdb import GDBobj
from pg_probackup2.app import ProbackupApp, ProbackupException
from pg_probackup2.init_helpers import init_params
from pg_probackup2.storage.fs_backup import FSTestBackupDir
from pg_probackup2.storage.s3_backup import S3TestBackupDir

__all__ = [
"ProbackupApp", "ProbackupException", "init_params", "FSTestBackupDir", "S3TestBackupDir", "GDBobj"
]
65 changes: 65 additions & 0 deletionstestgres/plugins/pg_probackup2/README.md
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# testgres - pg_probackup2

Ccontrol and testing utility for [pg_probackup2](https://github.com/postgrespro/pg_probackup). Python 3.5+ is supported.


## Installation

To install `testgres`, run:

```
pip install testgres-pg_probackup
```

We encourage you to use `virtualenv` for your testing environment.
The package requires testgres~=1.9.3.

## Usage

### Environment

> Note: by default testgres runs `initdb`, `pg_ctl`, `psql` provided by `PATH`.

There are several ways to specify a custom postgres installation:

* export `PG_CONFIG` environment variable pointing to the `pg_config` executable;
* export `PG_BIN` environment variable pointing to the directory with executable files.

Example:

```bash
export PG_BIN=$HOME/pg/bin
python my_tests.py
```


### Examples

Here is an example of what you can do with `testgres-pg_probackup2`:

```python
# You can see full script here plugins/pg_probackup2/pg_probackup2/tests/basic_test.py
def test_full_backup(self):
# Setting up a simple test node
node = self.pg_node.make_simple('node', pg_options={"fsync": "off", "synchronous_commit": "off"})

# Initialize and configure Probackup
self.pb.init()
self.pb.add_instance('node', node)
self.pb.set_archiving('node', node)

# Start the node and initialize pgbench
node.slow_start()
node.pgbench_init(scale=100, no_vacuum=True)

# Perform backup and validation
backup_id = self.pb.backup_node('node', node)
out = self.pb.validate('node', backup_id)

# Check if the backup is valid
self.assertIn(f"INFO: Backup {backup_id} is valid", out)
```

## Authors

[Postgres Professional](https://postgrespro.ru/about)
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