chore: remove usage of aliases

.github/workflows/aurora_performance.yml

@@ -18,25 +18,25 @@ jobs:
 
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6
         with:
           fetch-depth: 50
 
       - name: "Set up JDK 8"
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654  # v5
         with:
           distribution: "corretto"
           java-version: 8
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e  # v6.4.0
         with:
-          node-version: "20.x"
+          node-version: "22.x"
       - name: Install dependencies
         run: npm install --no-save
 
       - name: Configure AWS Credentials
         id: creds
-        uses: aws-actions/configure-aws-credentials@v4
+        uses: aws-actions/configure-aws-credentials@e7f100cf4c008499ea8adda475de1042d6975c7b  # v6
         with:
           role-to-assume: arn:aws:iam::${{ secrets.AWS_ACCOUNT_ID }}:role/${{ secrets.AWS_DEPLOY_ROLE }}
           role-session-name: nodejs_aurora_perf_tests
@@ -59,7 +59,7 @@ jobs:
       - name: "Get Github Action IP"
         if: always()
         id: ip
-        uses: haythem/public-ip@v1.3
+        uses: haythem/public-ip@bdddd92c198b0955f0b494a8ebeac529754262ff  # v1.3
 
       - name: "Remove Github Action IP"
         if: always()
@@ -73,7 +73,7 @@ jobs:
 
       - name: Archive Performance results
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
         with:
           name: ${{ matrix.db }}-performance-results
           path: ./tests/integration/container/reports

.github/workflows/dependabot_auto_merge.yml

@@ -17,7 +17,7 @@ jobs:
     steps:
       - name: Dependabot metadata
         id: metadata
-        uses: dependabot/fetch-metadata@v1
+        uses: dependabot/fetch-metadata@25dd0e34f4fe68f24cc83900b1fe3fe149efef98  # v2
         with:
           github-token: "${{ secrets.GITHUB_TOKEN }}"
       - name: Approve PR

.github/workflows/integration_tests.yml

@@ -26,7 +26,7 @@ jobs:
       fail-fast: false
       matrix:
         versions: [ "default", "latest" ]
-        dbEngine: ["aurora-mysql", "aurora-postgres" ]
+        dbEngine: ["aurora-mysql", "aurora-postgres", "multi-az-mysql", "multi-az-postgres" ]
 
     steps:
       - name: Clone repository

.github/workflows/main.yml

@@ -16,11 +16,11 @@ jobs:
   run-checks-and-unit-tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e  # v6.4.0
         with:
-          node-version: "20.x"
+          node-version: "22.x"
       - name: Install dependencies
         run: npm install --no-save
       - name: Run eslint - linting

.github/workflows/release.yml

@@ -11,11 +11,11 @@ jobs:
       packages: write
     steps:
       - name: "Clone Repository"
-        uses: actions/checkout@v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6
       - name: "Set up Node.js"
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e  # v6.4.0
         with:
-          node-version: "20.x"
+          node-version: "22.x"
           registry-url: "https://registry.npmjs.org"
       - name: "Install dependencies"
         run: npm install --no-save

.github/workflows/release_draft.yml

@@ -19,11 +19,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: "Clone Repository"
-        uses: actions/checkout@v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6
       - name: "Set up Node.js"
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e  # v6.4.0
         with:
-          node-version: "20.x"
+          node-version: "22.x"
       - name: "Install dependencies"
         run: npm install --no-save
       - name: "Run eslint - linting"
@@ -46,7 +46,7 @@ jobs:
           touch RELEASE_DETAILS.md
           echo "$RELEASE_DETAILS" > RELEASE_DETAILS.md
       - name: "Upload to Draft Release"
-        uses: ncipollo/release-action@v1
+        uses: ncipollo/release-action@339a81892b84b4eeb0f6e744e4574d79d0d9b8dd  # v1
         with:
           draft: true
           name: "AWS Advanced NodeJS Wrapper - v${{ env.RELEASE_VERSION }}"

.github/workflows/remove-old-artifacts.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Remove Old Artifacts
-        uses: c-hive/gha-remove-artifacts@v1
+        uses: c-hive/gha-remove-artifacts@44fc7acaf1b3d0987da0e8d4707a989d80e9554b  # v1
         with:
           age: "1 week"
           skip-tags: true

.github/workflows/run-autoscaling-tests.yml

@@ -21,21 +21,21 @@ jobs:
         dbEngine: [ "mysql", "postgres" ]
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6
         with:
           fetch-depth: 50
       - name: "Set up JDK 8"
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654  # v5
         with:
           distribution: "corretto"
           java-version: 8
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e  # v6.4.0
         with:
-          node-version: "20.x"
+          node-version: "22.x"
       - name: Configure AWS credentials
         id: creds
-        uses: aws-actions/configure-aws-credentials@v4
+        uses: aws-actions/configure-aws-credentials@e7f100cf4c008499ea8adda475de1042d6975c7b  # v6
         with:
           role-to-assume: arn:aws:iam::${{ secrets.AWS_ACCOUNT_ID }}:role/${{ secrets.AWS_DEPLOY_ROLE }}
           role-session-name: nodejs_autoscaling_tests
@@ -56,7 +56,7 @@ jobs:
       - name: "Get Github Action IP"
         if: always()
         id: ip
-        uses: haythem/public-ip@v1.3
+        uses: haythem/public-ip@bdddd92c198b0955f0b494a8ebeac529754262ff  # v1.3
       - name: "Remove Github Action IP"
         if: always()
         run: |
@@ -68,7 +68,7 @@ jobs:
           2>&1 > /dev/null;
       - name: Archive results
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
         with:
           name: autoscaling-report
           path: ./tests/integration/container/reports

common/lib/connection_plugin_chain_builder.ts

@@ -31,7 +31,7 @@ import { StaleDnsPluginFactory } from "./plugins/stale_dns/stale_dns_plugin_fact
 import { FederatedAuthPluginFactory } from "./plugins/federated_auth/federated_auth_plugin_factory";
 import { ReadWriteSplittingPluginFactory } from "./plugins/read_write_splitting/read_write_splitting_plugin_factory";
 import { OktaAuthPluginFactory } from "./plugins/federated_auth/okta_auth_plugin_factory";
-import { HostMonitoringPluginFactory } from "./plugins/efm/host_monitoring_plugin_factory";
+import { HostMonitoringPluginFactory } from "./plugins/efm/v1/host_monitoring_plugin_factory";
 import { AuroraInitialConnectionStrategyFactory } from "./plugins/aurora_initial_connection_strategy_plugin_factory";
 import { AuroraConnectionTrackerPluginFactory } from "./plugins/connection_tracker/aurora_connection_tracker_plugin_factory";
 import { ConnectionProviderManager } from "./connection_provider_manager";
@@ -41,7 +41,7 @@ import { LimitlessConnectionPluginFactory } from "./plugins/limitless/limitless_
 import { FastestResponseStrategyPluginFactory } from "./plugins/strategy/fastest_response/fastest_respose_strategy_plugin_factory";
 import { CustomEndpointPluginFactory } from "./plugins/custom_endpoint/custom_endpoint_plugin_factory";
 import { ConfigurationProfile } from "./profile/configuration_profile";
-import { HostMonitoring2PluginFactory } from "./plugins/efm2/host_monitoring2_plugin_factory";
+import { HostMonitoring2PluginFactory } from "./plugins/efm/v2/host_monitoring2_plugin_factory";
 import { BlueGreenPluginFactory } from "./plugins/bluegreen/blue_green_plugin_factory";
 import { GlobalDbFailoverPluginFactory } from "./plugins/gdb_failover/global_db_failover_plugin_factory";
 import { FullServicesContainer } from "./utils/full_services_container";

common/lib/host_info.ts

@@ -25,15 +25,13 @@ export class HostInfo {
   public static readonly NO_PORT: number = -1;
   public static readonly DEFAULT_WEIGHT: number = 100;
 
-  readonly host: string;
+  readonly host: string; // full domain name
   readonly port: number;
   role: HostRole;
   readonly weight: number; // Greater or equal 0. Lesser the weight, the healthier host.
   readonly lastUpdateTime: number;
   availability: HostAvailability;
-  aliases: Set<string> = new Set<string>();
-  allAliases: Set<string> = new Set<string>();
-  hostId: string;
+  hostId: string; // id; could be a host name, host domain name, or a unique string
   hostAvailabilityStrategy: HostAvailabilityStrategy;
 
   constructor(
@@ -57,46 +55,13 @@ export class HostInfo {
     this.weight = weight;
     this.lastUpdateTime = lastUpdateTime;
     this.hostAvailabilityStrategy = hostAvailabilityStrategy;
-    this.allAliases.add(this.asAlias).add(this.host);
     this.hostId = hostId;
   }
 
   isPortSpecified(): boolean {
     return this.port != HostInfo.NO_PORT;
   }
 
-  addAlias(...alias: string[]) {
-    if (!alias || alias.length < 1) {
-      return;
-    }
-
-    alias.forEach((x) => {
-      this.aliases.add(x);
-      this.allAliases.add(x);
-    });
-  }
-
-  removeAlias(aliases: string[]) {
-    if (!aliases || aliases.length < 1) {
-      return;
-    }
-
-    aliases.forEach((x) => {
-      this.aliases.delete(x);
-      this.allAliases.delete(x);
-    });
-  }
-
-  resetAliases() {
-    this.aliases.clear();
-    this.allAliases.clear();
-    this.allAliases.add(this.asAlias);
-  }
-
-  get asAlias() {
-    return this.isPortSpecified() ? `${this.host}:${this.port}` : this.host;
-  }
-
   get url() {
     let url = this.hostAndPort;
     if (!url.endsWith("/")) {

common/lib/host_list_provider/rds_host_list_provider.ts

@@ -185,30 +185,17 @@ export class RdsHostListProvider implements DynamicHostListProvider {
     }
 
     let topology = await this.refresh();
-    let isForcedRefresh = false;
-
     if (!topology) {
       topology = await this.forceRefresh();
-      isForcedRefresh = true;
     }
 
     if (!topology) {
       return null;
     }
 
+    const instanceId = instanceIds[0];
     const instanceName = instanceIds[1];
-    let matches = topology.filter((host) => host.hostId === instanceName);
-    const foundHost = matches.length === 0 ? null : matches[0];
-
-    if (!foundHost && !isForcedRefresh) {
-      topology = await this.forceRefresh();
-      if (!topology) {
-        return null;
-      }
-    }
-
-    matches = topology.filter((host) => host.hostId === instanceName);
-    return matches.length === 0 ? null : matches[0];
+    return topology.find((host) => instanceId === host.hostId || instanceName === host.host) ?? null;
   }
 
   async refresh(): Promise<HostInfo[]> {

common/lib/host_list_provider/topology_utils.ts

@@ -130,7 +130,6 @@ export abstract class TopologyUtils {
       .withLastUpdateTime(lastUpdateTime)
       .withHostId(finalInstanceId)
       .build();
-    host.addAlias(finalEndpoint);
     return host;
   }