Update regions_by_endpoint for AWS sdk upgrade. (#131400)

Also add test to ensure the file has at least one entry for each region
so that it is easy to spot missing regions in future upgrades.

Relates: #131050 Resolves: #131392

Author: ywangd

modules/repository-s3/src/main/resources/org/elasticsearch/repositories/s3/regions_by_endpoint.txt

@@ -6,6 +6,10 @@ ap-east-1          s3-fips.ap-east-1.amazonaws.com
 ap-east-1          s3-fips.dualstack.ap-east-1.amazonaws.com
 ap-east-1          s3.ap-east-1.amazonaws.com
 ap-east-1          s3.dualstack.ap-east-1.amazonaws.com
+ap-east-2          s3-fips.ap-east-2.amazonaws.com
+ap-east-2          s3-fips.dualstack.ap-east-2.amazonaws.com
+ap-east-2          s3.ap-east-2.amazonaws.com
+ap-east-2          s3.dualstack.ap-east-2.amazonaws.com
 ap-northeast-1     s3-fips.ap-northeast-1.amazonaws.com
 ap-northeast-1     s3-fips.dualstack.ap-northeast-1.amazonaws.com
 ap-northeast-1     s3.ap-northeast-1.amazonaws.com
@@ -56,6 +60,14 @@ aws-iso-b-global   s3-fips.aws-iso-b-global.sc2s.sgov.gov
 aws-iso-b-global   s3-fips.dualstack.aws-iso-b-global.sc2s.sgov.gov
 aws-iso-b-global   s3.aws-iso-b-global.sc2s.sgov.gov
 aws-iso-b-global   s3.dualstack.aws-iso-b-global.sc2s.sgov.gov
+aws-iso-e-global   s3-fips.aws-iso-e-global.cloud.adc-e.uk
+aws-iso-e-global   s3-fips.dualstack.aws-iso-e-global.cloud.adc-e.uk
+aws-iso-e-global   s3.aws-iso-e-global.cloud.adc-e.uk
+aws-iso-e-global   s3.dualstack.aws-iso-e-global.cloud.adc-e.uk
+aws-iso-f-global   s3-fips.aws-iso-f-global.csp.hci.ic.gov
+aws-iso-f-global   s3-fips.dualstack.aws-iso-f-global.csp.hci.ic.gov
+aws-iso-f-global   s3.aws-iso-f-global.csp.hci.ic.gov
+aws-iso-f-global   s3.dualstack.aws-iso-f-global.csp.hci.ic.gov
 aws-iso-global     s3-fips.aws-iso-global.c2s.ic.gov
 aws-iso-global     s3-fips.dualstack.aws-iso-global.c2s.ic.gov
 aws-iso-global     s3.aws-iso-global.c2s.ic.gov
@@ -76,6 +88,10 @@ cn-north-1         s3.cn-north-1.amazonaws.com.cn
 cn-north-1         s3.dualstack.cn-north-1.amazonaws.com.cn
 cn-northwest-1     s3.cn-northwest-1.amazonaws.com.cn
 cn-northwest-1     s3.dualstack.cn-northwest-1.amazonaws.com.cn
+eusc-de-east-1     s3-fips.eusc-de-east-1.amazonaws.eu
+eusc-de-east-1     s3-fips.dualstack.eusc-de-east-1.amazonaws.eu
+eusc-de-east-1     s3.eusc-de-east-1.amazonaws.eu
+eusc-de-east-1     s3.dualstack.eusc-de-east-1.amazonaws.eu
 eu-central-1       s3-fips.dualstack.eu-central-1.amazonaws.com
 eu-central-1       s3-fips.eu-central-1.amazonaws.com
 eu-central-1       s3.dualstack.eu-central-1.amazonaws.com

modules/repository-s3/src/test/java/org/elasticsearch/repositories/s3/RegionFromEndpointGuesserTests.java

@@ -9,6 +9,11 @@
 
 package org.elasticsearch.repositories.s3;
 
+import software.amazon.awssdk.endpoints.Endpoint;
+import software.amazon.awssdk.regions.Region;
+import software.amazon.awssdk.services.s3.endpoints.S3EndpointParams;
+import software.amazon.awssdk.services.s3.endpoints.internal.DefaultS3EndpointProvider;
+
 import org.elasticsearch.core.Nullable;
 import org.elasticsearch.test.ESTestCase;
 
@@ -23,6 +28,14 @@ public void testRegionGuessing() {
         assertRegionGuess("random.endpoint.internal.net", null);
     }
 
+    public void testHasEntryForEachRegion() {
+        final var defaultS3EndpointProvider = new DefaultS3EndpointProvider();
+        for (var region : Region.regions()) {
+            final Endpoint endpoint = safeGet(defaultS3EndpointProvider.resolveEndpoint(S3EndpointParams.builder().region(region).build()));
+            assertNotNull(region.id(), RegionFromEndpointGuesser.guessRegion(endpoint.url().toString()));
+        }
+    }
+
     private static void assertRegionGuess(String endpoint, @Nullable String expectedRegion) {
         assertEquals(endpoint, expectedRegion, RegionFromEndpointGuesser.guessRegion(endpoint));
     }