def get(self):
        """
        Check if all listed indexes are healthy: they should be reachable,
        return valid JSON objects, and yield more than one result.
        """
        proxy_config = _get_proxy_config()

        _, status = packs_service.fetch_pack_index(
            allow_empty=True, proxy_config=proxy_config
        )

        health = {
            "indexes": {
                "count": len(status),
                "valid": 0,
                "invalid": 0,
                "errors": {},
                "status": status,
            },
            "packs": {
                "count": 0,
            },
        }

        for index in status:
            if index["error"]:
                error_count = health["indexes"]["errors"].get(index["error"], 0) + 1
                health["indexes"]["invalid"] += 1
                health["indexes"]["errors"][index["error"]] = error_count
            else:
                health["indexes"]["valid"] += 1
            health["packs"]["count"] += index["packs"]

        return health

        Check if all listed indexes are healthy: they should be reachable,
        return valid JSON objects, and yield more than one result.
        
st2api/st2api/controllers/v1/packs.py