test(NODE-6820): test on Graviton processor (#4936)

Author: tadjik1

.evergreen/ci_matrix_constants.js

@@ -20,6 +20,7 @@ const UBUNTU_OS = 'ubuntu1804-large';
 const UBUNTU_20_OS = 'ubuntu2004-small';
 const UBUNTU_22_OS = 'ubuntu2204-large';
 const DEBIAN_OS = 'debian11-small';
+const GRAVITON_OS = 'amazon2023-arm64-latest-large-m8g';
 
 module.exports = {
   MONGODB_VERSIONS,
@@ -37,5 +38,6 @@ module.exports = {
   UBUNTU_OS,
   UBUNTU_20_OS,
   UBUNTU_22_OS,
-  DEBIAN_OS
+  DEBIAN_OS,
+  GRAVITON_OS
 };

.evergreen/config.yml

@@ -4079,3 +4079,17 @@ buildvariants:
       NODE_LTS_VERSION: 24
       CLIENT_ENCRYPTION: true
       MONGODB_BUNDLED: true
+  - name: amazon-linux-2023-arm64-graviton4
+    display_name: Graviton4 AL2023 Node24
+    run_on: amazon2023-arm64-latest-large-m8g
+    expansions:
+      NODE_LTS_VERSION: 24
+      CLIENT_ENCRYPTION: true
+      TEST_CSFLE: true
+    tasks:
+      - test-latest-server
+      - test-latest-replica_set
+      - test-latest-sharded_cluster
+      - test-latest-server-v1-api
+      - test-zstd-compression
+      - test-snappy-compression

.evergreen/generate_evergreen_tasks.js

@@ -17,7 +17,8 @@ const {
   MACOS_OS,
   UBUNTU_20_OS,
   DEBIAN_OS,
-  UBUNTU_22_OS
+  UBUNTU_22_OS,
+  GRAVITON_OS
 } = require('./ci_matrix_constants');
 
 // TODO(NODE-7499): unpin npm version once Node 22 ships a bundled npm that can upgrade itself
@@ -875,6 +876,27 @@ BUILD_VARIANTS.push({
   expansions: nodelessExpansions
 });
 
+const gravitonTasks = [
+  'test-latest-server',
+  'test-latest-replica_set',
+  'test-latest-sharded_cluster',
+  'test-latest-server-v1-api',
+  'test-zstd-compression',
+  'test-snappy-compression'
+];
+
+BUILD_VARIANTS.push({
+  name: 'amazon-linux-2023-arm64-graviton4',
+  display_name: `Graviton4 AL2023 Node${LATEST_LTS}`,
+  run_on: GRAVITON_OS,
+  expansions: {
+    NODE_LTS_VERSION: LATEST_LTS,
+    CLIENT_ENCRYPTION: true,
+    TEST_CSFLE: true
+  },
+  tasks: gravitonTasks
+});
+
 // TODO(NODE-4897): Debug socks5 tests on node latest
 for (const variant of BUILD_VARIANTS.filter(
   variant => variant.expansions && ['latest'].includes(variant.expansions.NODE_LTS_VERSION)