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Add PDO storage adapter. (#157)
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* PDO storage adapter - counter.

Signed-off-by: Janez Urevc <[email protected]>
Co-authored-by: Lukas Kämmerling <[email protected]>
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slashrsm and LKaemmerling authored Aug 5, 2024
1 parent ad662ee commit 35d5a68
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21 changes: 20 additions & 1 deletion .github/workflows/tests.yml
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Expand Up @@ -20,6 +20,11 @@ jobs:
REDIS_HOST: redis
# The default Redis port
REDIS_PORT: 6379
# MySQL
DB_DATABASE: test
DB_USER: root
DB_PASSWORD: root

steps:
- name: Checkout code
uses: actions/checkout@v2
Expand All @@ -40,9 +45,23 @@ jobs:

- name: Install dependencies
run: composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction --no-suggest

- name: Start Redis
uses: supercharge/[email protected]
with:
redis-version: ${{ matrix.redis-version }}
- name: Execute tests

- name: Execute tests (PDO with Sqlite)
run: vendor/bin/phpunit

- name: Start MySQL
run: |
sudo /etc/init.d/mysql start
mysql -e "CREATE DATABASE IF NOT EXISTS $DB_DATABASE;" -u$DB_USER -p$DB_PASSWORD
- name: Execute PDO tests with MySQL
env:
TEST_PDO_DSN: 'mysql:host=localhost;dbname=test'
TEST_PDO_USERNAME: 'root'
TEST_PDO_PASSWORD: 'root'
run: vendor/bin/phpunit tests/Test/Prometheus/PDO
6 changes: 6 additions & 0 deletions README.md
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Expand Up @@ -102,6 +102,12 @@ $registry = new CollectorRegistry(new APC());
```
(see the `README.APCng.md` file for more details)

Using the PDO storage:
```php
$registry = new CollectorRegistry(new \PDO('mysql:host=localhost;dbname=prometheus', 'username', 'password'));
or
$registry = new CollectorRegistry(new \PDO('sqlite::memory:'));
```

### Advanced Usage

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1 change: 1 addition & 0 deletions composer.json
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Expand Up @@ -31,6 +31,7 @@
"suggest": {
"ext-redis": "Required if using Redis.",
"ext-apc": "Required if using APCu.",
"ext-pdo": "Required if using PDO.",
"promphp/prometheus_push_gateway_php": "An easy client for using Prometheus PushGateway.",
"symfony/polyfill-apcu": "Required if you use APCu on PHP8.0+"
},
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