import json
import os
import horovod.tensorflow as hvd

hvd.init()

with open("/opt/ml/model/local-rank-%s-rank-%s" % (hvd.local_rank(), hvd.rank()), "w+") as f:
    basic_info = {"local-rank": hvd.local_rank(), "rank": hvd.rank(), "size": hvd.size()}

    print(basic_info)
    json.dump(basic_info, f)

val = os.environ.get("AWS_CONTAINER_CREDENTIALS_RELATIVE_URI")
host = os.environ.get("SM_CURRENT_HOST")

assert val is not None
assert host is not None

print("host {}: AWS_CONTAINER_CREDENTIALS_RELATIVE_URI={}".format(host, val))