Add denylist ip config for datasource endpoint

[heemin32]

Description

Add a denylist ip config for datasource endpoint so that admin can block certain ip addresses from being used in datasource endpoint
This PR mimicked opensearch-project/sql#2042

When IP address is in the deny list, following message will be returned.

{
	"error": {
		"root_cause": [
			{
				"type": "illegal_argument_exception",
				"reason": "Given endpoint is blocked by deny list in cluster setting plugins.geospatial.ip2geo.datasource.endpoint.denylist"
			}
		],
		"type": "illegal_argument_exception",
		"reason": "Given endpoint is blocked by deny list in cluster setting plugins.geospatial.ip2geo.datasource.endpoint.denylist"
	},
	"status": 400
}

Issues Resolved

N/A

Check List

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[codecov]

Codecov Report

Merging #573 (726837f) into main (059b10d) will increase coverage by 0.44%.
The diff coverage is 83.78%.

@@             Coverage Diff              @@
##               main     #573      +/-   ##
============================================
+ Coverage     88.59%   89.03%   +0.44%     
- Complexity      753      767      +14     
============================================
  Files            92       93       +1     
  Lines          2717     2746      +29     
  Branches        221      223       +2     
============================================
+ Hits           2407     2445      +38     
+ Misses          230      221       -9     
  Partials         80       80              

Files	Coverage Δ
...patial/ip2geo/action/RestPutDatasourceHandler.java	94.11% <100.00%> (+0.78%)	⬆️
...ial/ip2geo/action/RestUpdateDatasourceHandler.java	92.30% <100.00%> (+3.41%)	⬆️
...earch/geospatial/ip2geo/common/Ip2GeoSettings.java	94.44% <100.00%> (+1.11%)	⬆️
...opensearch/geospatial/ip2geo/dao/GeoIpDataDao.java	87.50% <100.00%> (+0.09%)	⬆️
...l/ip2geo/jobscheduler/DatasourceUpdateService.java	91.42% <100.00%> (+0.08%)	⬆️
...opensearch/geospatial/plugin/GeospatialPlugin.java	90.90% <100.00%> (+0.21%)	⬆️
...h/geospatial/ip2geo/common/URLDenyListChecker.java	64.70% <64.70%> (ø)

... and 5 files with indirect coverage changes

[navneet1v]

@heemin32 what is the value of the denylist urls? Not able to find anything in this PR?

[heemin32]

@heemin32 what is the value of the denylist urls? Not able to find anything in this PR?

For example, in cloud provider, they can maintain denylist so that customer cannot make request to internal services with escalated privilege because cluster is running in service account but not customer account.

[naveentatikonda]

@heemin32 Build is failing with the latest changes. Pls fix it

[vamshin]

LGTM! Thanks

[vibrantvarun]

Just reviewed the PR to understand the use-case.