Run spotless and exclude checkstyle on modules module

[owaiskazi19]

Description

Applied Spotless to modules module and excluded it from CheckStyle.

Issues Resolved

Part of #1362 and #974

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[opensearch-ci-bot]

Can one of the admins verify this patch?

[opensearch-ci-bot]

✅   Gradle Wrapper Validation success a76f000f607059ae2d818a794c78b1b5c3646db7

[opensearch-ci-bot]

❌   DCO Check Failed a76f000f607059ae2d818a794c78b1b5c3646db7
Run ./dev-tools/signoff-check.sh remotes/origin/main a76f000f607059ae2d818a794c78b1b5c3646db7 to check locally
Use git commit with -s to add 'Signed-of-by: {EMAIL}' on impacted commits

[opensearch-ci-bot]

✅   Gradle Wrapper Validation success 4a3e9d2

[opensearch-ci-bot]

✅   DCO Check Passed 4a3e9d2

[opensearch-ci-bot]

✅   Gradle Precommit success a76f000f607059ae2d818a794c78b1b5c3646db7

[opensearch-ci-bot]

✅   Gradle Precommit success 4a3e9d2

[saratvemulapalli]

start gradle check

[opensearch-ci-bot]

❌   Gradle Check failure 4a3e9d2
Log 824

Reports 824

[tlfeng]

Start gradle check

[opensearch-ci-bot]

❌   Gradle Check failure 4a3e9d2
Log 825

Reports 825

[tlfeng]

start gradle check

[tlfeng]

In log 824:

REPRODUCE WITH: ./gradlew ':server:internalClusterTest' --tests "org.opensearch.cluster.ClusterHealthIT.testHealthOnMasterFailover" -Dtests.seed=95FB4DD53D88B228 -Dtests.security.manager=true -Dtests.jvm.argline="-XX:TieredStopAtLevel=1 -XX:ReservedCodeCacheSize=64m" -Dtests.locale=ja-JP-u-ca-japanese-x-lvariant-JP -Dtests.timezone=America/Kralendijk -Druntime.java=17

org.opensearch.cluster.ClusterHealthIT > testHealthOnMasterFailover FAILED
    java.util.concurrent.ExecutionException: MasterNotDiscoveredException[NodeClosedException[node closed {node_s1}{fYrditULRHW5Wvog5YW1bw}{g4Sr_Z9JR9K_lU9mBE8Smw}{127.0.0.1}{127.0.0.1:41761}{imr}

In log 825:

REPRODUCE WITH: ./gradlew ':server:test' --tests "org.opensearch.index.engine.InternalEngineTests.testEngineCreationWithCustomTranslogDeletePolicy" -Dtests.seed=B4EAB923A91DC9E9 -Dtests.security.manager=true -Dtests.jvm.argline="-XX:TieredStopAtLevel=1 -XX:ReservedCodeCacheSize=64m" -Dtests.locale=ro -Dtests.timezone=America/Santiago -Druntime.java=17

org.opensearch.index.engine.InternalEngineTests > testEngineCreationWithCustomTranslogDeletePolicy FAILED
    java.io.IOException: could not remove the following files (in the order of attempts):
       /var/CITOOL/workflow/OpenSearch_CI/PR_Checks/Gradle_Check/search/server/build/testrun/test/temp/org.opensearch.index.engine.InternalEngineTests_B4EAB923A91DC9E9-001/translog-primary-032/translog-2.tlog: java.io.IOException: access denied: /var/CITOOL/workflow/OpenSearch_CI/PR_Checks/Gradle_Check/search/server/build/testrun/test/temp/org.opensearch.index.engine.InternalEngineTests_B4EAB923A91DC9E9-001/translog-primary-032/translog-2.tlog

[opensearch-ci-bot]

✅   Gradle Check success 4a3e9d2
Log 826

Reports 826