[1.0] Add 'tagline' back to MainResponse in server that was removed in PR #427

[tlfeng]

Description

Backport #913 (main) #914 (1.x) to 1.0 branch.

• Add "tagline" field back to "MainResponse" in sever side (not in rest-high-level-client side) that removed in PR Remove tagline from cluster info in sever and RHLC #427 .
• Replace with a new tagline "The OpenSearch Project: https://opensearch.org/".
• Turn the tagline into a constant in server/src/main/java/org/opensearch/action/main/MainResponse.java.

After the change in the PR, the tagline field is back:

{
  "name" : "node-9200",
  "cluster_name" : "opensearch",
  "cluster_uuid" : "IoY5158sQp6oz5lkCPCVUg",
  "version" : {
    "distribution" : "opensearch",
    "number" : "1.1.0-SNAPSHOT",
    "build_type" : "tar",
    "build_hash" : "79e1180251d26fd98fa88e42d4c4eca1a6768b09",
    "build_date" : "2021-06-30T23:15:13.489461Z",
    "build_snapshot" : true,
    "lucene_version" : "8.8.2",
    "minimum_wire_compatibility_version" : "6.8.0",
    "minimum_index_compatibility_version" : "6.0.0-beta1"
  },
  "tagline" : "The OpenSearch Project: https://opensearch.org/"
}

Issues Resolved

#901

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]

✅   DCO Check Passed 85313affc9d2eb42a25dcfb4d38732b3ea8d0dc1

[opensearch-ci-bot]

✅   Gradle Wrapper Validation success 85313affc9d2eb42a25dcfb4d38732b3ea8d0dc1

[opensearch-ci-bot]

✅   Gradle Precommit success 85313affc9d2eb42a25dcfb4d38732b3ea8d0dc1

[opensearch-ci-bot]

✅   Gradle Wrapper Validation success 96e2cfa

[opensearch-ci-bot]

✅   DCO Check Passed 96e2cfa

[opensearch-ci-bot]

✅   Gradle Precommit success 96e2cfa

[adnapibar]

start gradle check

[opensearch-ci-bot]

❌   Gradle Check failure 96e2cfa
Log 295

Reports 295

[tlfeng]

The test failure in log 295:

> Task :plugins:repository-azure:internalClusterTest

REPRODUCE WITH: ./gradlew ':plugins:repository-azure:internalClusterTest' --tests "org.opensearch.repositories.azure.AzureBlobStoreRepositoryTests.testSnapshotWithLargeSegmentFiles" -Dtests.seed=7A97F545D07A8177 -Dtests.security.manager=true -Dtests.jvm.argline="-XX:TieredStopAtLevel=1" -Dtests.locale=sq -Dtests.timezone=GB-Eire -Druntime.java=15

org.opensearch.repositories.azure.AzureBlobStoreRepositoryTests > classMethod FAILED
    java.lang.Exception: Suite timeout exceeded (>= 1200000 msec).
        at __randomizedtesting.SeedInfo.seed([7A97F545D07A8177]:0)


Suite: Test class org.opensearch.repositories.azure.AzureBlobStoreRepositoryTests

[tlfeng]

start gradle check

[opensearch-ci-bot]

❌   Gradle Check failure 96e2cfa
Log 296

Reports 296

[tlfeng]

start gradle check

[opensearch-ci-bot]

✅   Gradle Check success 96e2cfa
Log 297

Reports 297

[tlfeng]

The test failure in log 295:

> Task :server:internalClusterTest

REPRODUCE WITH: ./gradlew ':server:internalClusterTest' --tests "org.opensearch.search.geo.GeoShapeIntegrationIT.testOrientationPersistence" -Dtests.seed=FF832DAFA222E38C -Dtests.security.manager=true -Dtests.jvm.argline="-XX:TieredStopAtLevel=1" -Dtests.locale=es -Dtests.timezone=Asia/Atyrau -Druntime.java=15

org.opensearch.search.geo.GeoShapeIntegrationIT > testOrientationPersistence FAILED
    java.lang.AssertionError: timed out waiting for green state

The above test failures aren't reproducible in my local machine.