[Python] OpenSearch Custom Docker Installation- Cannot create index

I'm trying to do a pretty basic, not-so-secure config of OpenSearch w/ Docker, which still seems to be blocking index creation

OpenSearch Config settings (Ubuntu 20.04 base)

Configure OpenSearch (in docker)


RUN mkdir -p /app/opensearch-2.17.0/config/certs && \
echo "plugins.security.ssl.http.enabled: false" >> /app/opensearch-2.17.0/config/opensearch.yml && \
echo "network.host: 0.0.0.0" >> /app/opensearch-2.17.0/config/opensearch.yml && \
echo "discovery.type: single-node" >> /app/opensearch-2.17.0/config/opensearch.yml && \
echo "plugins.security.ssl.transport.enabled: false" >> /app/opensearch-2.17.0/config/opensearch.yml && \
echo "action.auto_create_index: true" >> /app/opensearch-2.17.0/config/opensearch.yml && \
echo "cluster.blocks.read_only: false" >> /app/opensearch-2.17.0/config/opensearch.yml && \
chown -R opensearchpensearch /app/opensearch-2.17.0/config


Example query (w/ opensearchpy)

# Set up OpenSearch

client = OpenSearch(
hosts=[{'host': host, 'port': port, 'scheme': 'http'}],
http_compress=True, # enables gzip compression for request bodies
http_auth=auth,
# use_ssl=True,
use_ssl=False,
verify_certs=False,
ssl_assert_hostname=False,
ssl_show_warn=False
)

index_name = "example-index"


if not client.indices.exists(index=index_name):
print(f"The index '{index_name}' does not exist. Creating the index.")
# Load the index mapping from a file
with open("search_configuration/index_mapping.json", "r") as file:
client.indices.create(index=index_name, body=json.load(file))


Error Message:

opensearchpy.exceptions.authorizationexception: authorizationexception(403, 'index_create_block_exception', 'blocked by: [forbidden/10/cluster create-index blocked (api)];')


I tried updating the size of the block to 4GB, delete any initial cache in JVM, but that didn't seem to work either. But anyhow this is the first time I try to even create an index in a brand new installation. Not sure what is happening.

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