truenas/charts/minio/1.4.25/migrations/migrate_from_1.0.0

#!/usr/bin/python3
import json
import os
import sys


def migrate(values):
    if values.get('appVolumeMounts'):
        return values

    values.update({
        'appVolumeMounts': {
            'export': {
                'hostPathEnabled': values['minioHostPathEnabled'],
                **({'hostPath': values['minioHostPath']} if values.get('minioHostPath') else {})
            },
        },
    })
    return values


if __name__ == '__main__':
    if len(sys.argv) != 2:
        exit(1)

    if os.path.exists(sys.argv[1]):
        with open(sys.argv[1], 'r') as f:
            print(json.dumps(migrate(json.loads(f.read()))))