MySQL Check
MySQL Check
MySQL Check validates connectivity to a MySQL database and optionally checks for specific database availability.
Usage with Binary
./wait4it -type=mysql -h=127.0.0.1 -p=3306 -t=60 -u=root -P=secret -n=appUsage with Docker
docker run ph4r5h4d/wait4it -type=mysql -h=127.0.0.1 -p=3306 -t=60 -u=root -P=secret -n=appEnvironment Variables
| Variable | Description | Default |
|---|---|---|
| W4IT_TYPE | The type of check (set to mysql for MySQL check). | - |
| W4IT_TIMEOUT | Timeout in seconds. | 30 |
| W4IT_HOST | The host to check. | 127.0.0.1 |
| W4IT_PORT | The port to check on the MySQL host. | 3306 |
| W4IT_USERNAME | The username for MySQL authentication. | - |
| W4IT_PASSWORD | The password for MySQL authentication. | - |
| W4IT_DBNAME | The name of the database to check. | - |
Command-Line Arguments
| Argument | Description | Default |
|---|---|---|
| -type | The type of check (set to mysql). | - |
| -t | Timeout in seconds. | 30 |
| -h | The host to check. | 127.0.0.1 |
| -p | The port to check on the MySQL host. | 3306 |
| -u | The username for MySQL authentication. | - |
| -P | The password for MySQL authentication. | - |
| -n | The name of the database to check. | - |
Notes
ℹ️
- Environment variables override command-line arguments.
- Ensure that the specified MySQL database and username/password are correct for the connection to succeed.
Exit Codes
| Code | Meaning |
|---|---|
| 0 | Connection successful. |
| 1 | Timed out. |
| 2 | Validation error or incorrect input. |