Rename cluster.initial_master_nodes to cluster.initial_cluster_manager_nodes

Signed-off-by: Tianli Feng <ftianli@amazon.com>

Author: Tianli Feng

buildSrc/src/main/groovy/org/opensearch/gradle/test/ClusterFormationTasks.groovy

@@ -153,7 +153,7 @@ class ClusterFormationTasks {
                     }
                     boolean supportsInitialMasterNodes = hasBwcNodes == false || config.bwcVersion.onOrAfter("7.0.0")
                     if (esConfig['discovery.type'] == null && config.getAutoSetInitialMasterNodes() && supportsInitialMasterNodes) {
-                        esConfig['cluster.initial_master_nodes'] = nodes.stream().map({ n ->
+                        esConfig['cluster.initial_cluster_manager_nodes'] = nodes.stream().map({ n ->
                             if (n.config.settings['node.name'] == null) {
                                 return "node-" + n.nodeNum
                             } else {

buildSrc/src/main/java/org/opensearch/gradle/testclusters/OpenSearchCluster.java

@@ -361,7 +361,7 @@ private void commonNodeConfig(OpenSearchNode node, String nodeNames, OpenSearchN
                 .collect(Collectors.toList())
                 .forEach(node.defaultConfig::remove);
             if (nodeNames != null && node.settings.getOrDefault("discovery.type", "anything").equals("single-node") == false) {
-                node.defaultConfig.put("cluster.initial_master_nodes", "[" + nodeNames + "]");
+                node.defaultConfig.put("cluster.initial_cluster_manager_nodes", "[" + nodeNames + "]");
             }
             node.defaultConfig.put("discovery.seed_providers", "file");
             node.defaultConfig.put("discovery.seed_hosts", "[]");

distribution/docker/docker-compose.yml

@@ -5,7 +5,7 @@ services:
     image: opensearch:test
     environment:
        - node.name=opensearch-1
-       - cluster.initial_master_nodes=opensearch-1,opensearch-2
+       - cluster.initial_cluster_manager_nodes=opensearch-1,opensearch-2
        - discovery.seed_hosts=opensearch-2:9300
        - cluster.name=opensearch
        - bootstrap.memory_lock=true
@@ -29,7 +29,7 @@ services:
     image: opensearch:test
     environment:
        - node.name=opensearch-2
-       - cluster.initial_master_nodes=opensearch-1,opensearch-2
+       - cluster.initial_cluster_manager_nodes_nodes=opensearch-1,opensearch-2
        - discovery.seed_hosts=opensearch-1:9300
        - cluster.name=opensearch
        - bootstrap.memory_lock=true

distribution/src/config/opensearch.yml

@@ -69,7 +69,7 @@ ${path.logs}
 #
 # Bootstrap the cluster using an initial set of master-eligible nodes:
 #
-#cluster.initial_master_nodes: ["node-1", "node-2"]
+#cluster.initial_cluster_manager_nodes: ["node-1", "node-2"]
 #
 # For more information, consult the discovery and cluster formation module documentation.
 #

qa/remote-clusters/docker-compose.yml

@@ -5,7 +5,7 @@ services:
     image: opensearch:test
     environment:
        - node.name=opensearch-1
-       - cluster.initial_master_nodes=opensearch-1
+       - cluster.initial_cluster_manager_nodes=opensearch-1
        - cluster.name=opensearch-1
        - bootstrap.memory_lock=true
        - network.publish_host=127.0.0.1
@@ -39,7 +39,7 @@ services:
     image: opensearch:test
     environment:
        - node.name=opensearch-2
-       - cluster.initial_master_nodes=opensearch-2
+       - cluster.initial_cluster_manager_nodes=opensearch-2
        - cluster.name=opensearch-2
        - bootstrap.memory_lock=true
        - network.publish_host=127.0.0.1

server/src/test/java/org/opensearch/bootstrap/BootstrapChecksTests.java

@@ -802,7 +802,7 @@ public void testDiscoveryConfiguredCheck() throws NodeValidationException {
             hasToString(
                 containsString(
                     "the default discovery settings are unsuitable for production use; at least one "
-                        + "of [discovery.seed_hosts, discovery.seed_providers, cluster.initial_master_nodes] must be configured"
+                        + "of [discovery.seed_hosts, discovery.seed_providers, cluster.initial_cluster_manager_nodes] must be configured"
                 )
             )
         );

server/src/test/java/org/opensearch/cluster/coordination/ClusterFormationFailureHelperTests.java

@@ -329,7 +329,7 @@ public void testDescriptionBeforeBootstrapping() {
             ).getDescription(),
             is(
                 "master not discovered yet, this node has not previously joined a bootstrapped cluster, and "
-                    + "[cluster.initial_master_nodes] is empty on this node: have discovered []; "
+                    + "[cluster.initial_cluster_manager_nodes] is empty on this node: have discovered []; "
                     + "discovery will continue using [] from hosts providers and ["
                     + localNode
                     + "] from last-known cluster state; node term 1, last-accepted version 7 in term 4"
@@ -349,7 +349,7 @@ public void testDescriptionBeforeBootstrapping() {
             ).getDescription(),
             is(
                 "master not discovered yet, this node has not previously joined a bootstrapped cluster, and "
-                    + "[cluster.initial_master_nodes] is empty on this node: have discovered []; "
+                    + "[cluster.initial_cluster_manager_nodes] is empty on this node: have discovered []; "
                     + "discovery will continue using ["
                     + otherAddress
                     + "] from hosts providers and ["
@@ -371,7 +371,7 @@ public void testDescriptionBeforeBootstrapping() {
             ).getDescription(),
             is(
                 "master not discovered yet, this node has not previously joined a bootstrapped cluster, and "
-                    + "[cluster.initial_master_nodes] is empty on this node: have discovered ["
+                    + "[cluster.initial_cluster_manager_nodes] is empty on this node: have discovered ["
                     + otherNode
                     + "]; "
                     + "discovery will continue using [] from hosts providers and ["