fix: Azure ADLS Lakekeeper Rest Catalog Issue

[badalprasadsingh]

Description

Even when, ADLS Endpoint was being passed, OLake was not able to handle ADLSFileio.

The unecessary if condition is removed as org.apache.iceberg.io.ResolvingFileIO will be able to handle the FileIO for respective GCS, AWS or Azure Cloud providers.

Fixes #589

How to test it?

Follow the doc: https://olake.io/docs/writers/iceberg/azure to run your sync using OLake.

Then, query the table using Spark:

version: "3.8"

services:
  spark:
    image: tabulario/spark-iceberg:latest
    container_name: spark-iceberg
    ports:
      - "4040:4040"  
      - "8888:8888"  
    volumes:
      - ./workspace:/home/iceberg/workspace
    environment:
      - SPARK_DRIVER_MEMORY=2g
      - SPARK_EXECUTOR_MEMORY=2g
    tty: true

docker compose up -d

docker exec -it spark-iceberg bash

spark-sql \
  --packages org.apache.iceberg:iceberg-spark-3.5_2.12:1.10.0 \
  --conf spark.sql.extensions=org.apache.iceberg.spark.extensions.IcebergSparkSessionExtensions \
  --conf spark.sql.catalog.my_azure_db=org.apache.iceberg.spark.SparkCatalog \
  --conf spark.sql.catalog.my_azure_db.type=rest \
  --conf spark.sql.catalog.my_azure_db.uri=http://<LAKEKEEPER_ENDPOINT>:8181/catalog \
  --conf spark.sql.catalog.my_azure_db.warehouse=olake_warehouse \
  --conf spark.sql.catalog.my_azure_db.vended-credentials-enabled=true \
  --conf spark.sql.defaultCatalog=my_azure_db

Replace LAKEKEEPER_ENDPOINT with your correct REST_ENDPOINT

SHOW DATABASES;

SELECT * FROM <schema>.<table>;

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

• Lakekeeper (REST) + Azure ADLS
• Glue + S3
• Iceberg-fixture (REST) + Minio

Screenshots or Recordings

Documentation

• Documentation Link: [link to README, olake.io/docs, or olake-docs]
• N/A (bug fix, refactor, or test changes only)