Added validation for each catalog

[anurag2787]

Description

This PR implements a robust validation framework for Iceberg catalog configurations, addressing the lack of proper validation for different catalog types this enhancement prevents runtime failures by catching configuration errors early during initialization.

Fixes #478

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)

AWS Glue Catalog

• Valid Glue configuration with region
• Missing region validation
• AWS credentials validation (access key/secret key pairs)
• Profile configuration validation

JDBC Catalog

• Valid JDBC configuration with URL and credentials
• JDBC URL format validation
• Missing required credentials validation
• Invalid URL format detection

REST Catalog

• Token-based authentication validation
• OAuth2 authentication validation
• Missing authentication parameters
• REST signing configuration validation
• URL format validation

Hive Metastore

• Valid Hive configuration with thrift URI
• URI format validation
• Client configuration limits
• Missing required parameters

General Tests

• Default value initialization
• Required S3 path validation
• Mixed credential configuration validation
• Error message clarity and actionability

[CLAassistant]

All committers have signed the CLA.

[anurag2787]

@vaibhav-datazip Could you please review this pr and let me know if any changes required

[vaibhav-datazip]

Hi @anurag2787 can you rebase this PR to staging branch, it's currently raised on master

[anurag2787]

@vaibhav-datazip Could you please review now?

[vaibhav-datazip]

@anurag2787 , still you haven't rebased it to staging

[anurag2787]

@vaibhav-datazip is now it is correct? Sorry for inconvenience as i am not familiar with staging

[vaibhav-datazip]

@vaibhav-datazip is now it is correct? Sorry for inconvenience as i am not familiar with staging

here you can see datazip:master, it should be datazip:staging

[Akshay-datazip]

hi @anurag2787 just a kind reminder to be on our slack if you are still facing issues related to pr would love to help there !
https://join.slack.com/t/getolake/shared_invite/zt-2uyphqf69-KQxih9Gwd4GCQRD_XFcuyw

[anurag2787]

@vaibhav-datazip I have updated datazip:master to datazip:staging Thanks for the clarification!