feat(NODE-6884): remove support for 4.0

.evergreen/ci_matrix_constants.js

@@ -1,4 +1,4 @@
-const MONGODB_VERSIONS = ['latest', 'rapid', '8.0', '7.0', '6.0', '5.0', '4.4', '4.2', '4.0'];
+const MONGODB_VERSIONS = ['latest', 'rapid', '8.0', '7.0', '6.0', '5.0', '4.4', '4.2'];
 const versions = [
   { codeName: 'gallium', versionNumber: 16, npmVersion: 9 },
   { codeName: 'hydrogen', versionNumber: 18, npmVersion: 10 },

.evergreen/config.yml

@@ -1292,51 +1292,6 @@ tasks:
       - func: install dependencies
       - func: bootstrap mongo-orchestration
       - func: run tests
-  - name: test-4.0-server
-    tags:
-      - '4.0'
-      - server
-    commands:
-      - command: expansions.update
-        type: setup
-        params:
-          updates:
-            - {key: VERSION, value: '4.0'}
-            - {key: TOPOLOGY, value: server}
-            - {key: AUTH, value: auth}
-      - func: install dependencies
-      - func: bootstrap mongo-orchestration
-      - func: run tests
-  - name: test-4.0-replica_set
-    tags:
-      - '4.0'
-      - replica_set
-    commands:
-      - command: expansions.update
-        type: setup
-        params:
-          updates:
-            - {key: VERSION, value: '4.0'}
-            - {key: TOPOLOGY, value: replica_set}
-            - {key: AUTH, value: auth}
-      - func: install dependencies
-      - func: bootstrap mongo-orchestration
-      - func: run tests
-  - name: test-4.0-sharded_cluster
-    tags:
-      - '4.0'
-      - sharded_cluster
-    commands:
-      - command: expansions.update
-        type: setup
-        params:
-          updates:
-            - {key: VERSION, value: '4.0'}
-            - {key: TOPOLOGY, value: sharded_cluster}
-            - {key: AUTH, value: auth}
-      - func: install dependencies
-      - func: bootstrap mongo-orchestration
-      - func: run tests
   - name: test-latest-server-v1-api
     tags:
       - latest
@@ -1506,25 +1461,6 @@ tasks:
       - func: start-load-balancer
       - func: run-lb-tests
       - func: stop-load-balancer
-  - name: test-auth-kerberos
-    tags:
-      - auth
-      - kerberos
-    commands:
-      - command: expansions.update
-        type: setup
-        params:
-          updates:
-            - {key: NATIVE, value: 'true'}
-      - func: install dependencies
-      - func: run kerberos tests
-  - name: test-auth-ldap
-    tags:
-      - auth
-      - ldap
-    commands:
-      - func: install dependencies
-      - func: run ldap tests
   - name: test-socks5
     tags: []
     commands:
@@ -2681,54 +2617,6 @@ tasks:
       - func: install dependencies
       - func: bootstrap mongo-orchestration
       - func: run tests
-  - name: test-4.0-server-noauth
-    tags:
-      - '4.0'
-      - server
-      - noauth
-    commands:
-      - command: expansions.update
-        type: setup
-        params:
-          updates:
-            - {key: VERSION, value: '4.0'}
-            - {key: TOPOLOGY, value: server}
-            - {key: AUTH, value: noauth}
-      - func: install dependencies
-      - func: bootstrap mongo-orchestration
-      - func: run tests
-  - name: test-4.0-replica_set-noauth
-    tags:
-      - '4.0'
-      - replica_set
-      - noauth
-    commands:
-      - command: expansions.update
-        type: setup
-        params:
-          updates:
-            - {key: VERSION, value: '4.0'}
-            - {key: TOPOLOGY, value: replica_set}
-            - {key: AUTH, value: noauth}
-      - func: install dependencies
-      - func: bootstrap mongo-orchestration
-      - func: run tests
-  - name: test-4.0-sharded_cluster-noauth
-    tags:
-      - '4.0'
-      - sharded_cluster
-      - noauth
-    commands:
-      - command: expansions.update
-        type: setup
-        params:
-          updates:
-            - {key: VERSION, value: '4.0'}
-            - {key: TOPOLOGY, value: sharded_cluster}
-            - {key: AUTH, value: noauth}
-      - func: install dependencies
-      - func: bootstrap mongo-orchestration
-      - func: run tests
   - name: test-lambda-example
     tags:
       - latest
@@ -3194,9 +3082,6 @@ buildvariants:
       - test-4.2-server
       - test-4.2-replica_set
       - test-4.2-sharded_cluster
-      - test-4.0-server
-      - test-4.0-replica_set
-      - test-4.0-sharded_cluster
       - test-latest-server-v1-api
       - test-x509-authentication
       - test-atlas-connectivity
@@ -3206,8 +3091,6 @@ buildvariants:
       - test-8.0-load-balanced
       - test-rapid-load-balanced
       - test-latest-load-balanced
-      - test-auth-kerberos
-      - test-auth-ldap
       - test-socks5
       - test-socks5-csfle
       - test-socks5-tls
@@ -3254,9 +3137,6 @@ buildvariants:
       - test-4.2-server
       - test-4.2-replica_set
       - test-4.2-sharded_cluster
-      - test-4.0-server
-      - test-4.0-replica_set
-      - test-4.0-sharded_cluster
       - test-latest-server-v1-api
       - test-x509-authentication
       - test-atlas-connectivity
@@ -3266,8 +3146,6 @@ buildvariants:
       - test-8.0-load-balanced
       - test-rapid-load-balanced
       - test-latest-load-balanced
-      - test-auth-kerberos
-      - test-auth-ldap
       - test-socks5
       - test-socks5-csfle
       - test-socks5-tls
@@ -3314,9 +3192,6 @@ buildvariants:
       - test-4.2-server
       - test-4.2-replica_set
       - test-4.2-sharded_cluster
-      - test-4.0-server
-      - test-4.0-replica_set
-      - test-4.0-sharded_cluster
       - test-latest-server-v1-api
       - test-x509-authentication
       - test-atlas-connectivity
@@ -3326,8 +3201,6 @@ buildvariants:
       - test-8.0-load-balanced
       - test-rapid-load-balanced
       - test-latest-load-balanced
-      - test-auth-kerberos
-      - test-auth-ldap
       - test-socks5
       - test-socks5-csfle
       - test-socks5-tls
@@ -3374,9 +3247,6 @@ buildvariants:
       - test-4.2-server
       - test-4.2-replica_set
       - test-4.2-sharded_cluster
-      - test-4.0-server
-      - test-4.0-replica_set
-      - test-4.0-sharded_cluster
       - test-latest-server-v1-api
       - test-x509-authentication
       - test-atlas-connectivity
@@ -3386,8 +3256,6 @@ buildvariants:
       - test-8.0-load-balanced
       - test-rapid-load-balanced
       - test-latest-load-balanced
-      - test-auth-kerberos
-      - test-auth-ldap
       - test-socks5
       - test-socks5-csfle
       - test-socks5-tls
@@ -3432,9 +3300,6 @@ buildvariants:
       - test-4.2-server
       - test-4.2-replica_set
       - test-4.2-sharded_cluster
-      - test-4.0-server
-      - test-4.0-replica_set
-      - test-4.0-sharded_cluster
       - test-latest-server-v1-api
       - test-x509-authentication
       - test-atlas-connectivity
@@ -3444,8 +3309,6 @@ buildvariants:
       - test-8.0-load-balanced
       - test-rapid-load-balanced
       - test-latest-load-balanced
-      - test-auth-kerberos
-      - test-auth-ldap
       - test-socks5-csfle
       - test-socks5-tls
       - test-snappy-compression
@@ -3491,9 +3354,6 @@ buildvariants:
       - test-4.2-server
       - test-4.2-replica_set
       - test-4.2-sharded_cluster
-      - test-4.0-server
-      - test-4.0-replica_set
-      - test-4.0-sharded_cluster
       - test-latest-server-v1-api
       - test-socks5
       - test-socks5-tls
@@ -3540,9 +3400,6 @@ buildvariants:
       - test-4.2-server
       - test-4.2-replica_set
       - test-4.2-sharded_cluster
-      - test-4.0-server
-      - test-4.0-replica_set
-      - test-4.0-sharded_cluster
       - test-latest-server-v1-api
       - test-socks5
       - test-socks5-tls
@@ -3589,9 +3446,6 @@ buildvariants:
       - test-4.2-server
       - test-4.2-replica_set
       - test-4.2-sharded_cluster
-      - test-4.0-server
-      - test-4.0-replica_set
-      - test-4.0-sharded_cluster
       - test-latest-server-v1-api
       - test-socks5
       - test-socks5-tls
@@ -3638,9 +3492,6 @@ buildvariants:
       - test-4.2-server
       - test-4.2-replica_set
       - test-4.2-sharded_cluster
-      - test-4.0-server
-      - test-4.0-replica_set
-      - test-4.0-sharded_cluster
       - test-latest-server-v1-api
       - test-socks5
       - test-socks5-tls
@@ -3815,9 +3666,6 @@ buildvariants:
       - test-4.2-server-noauth
       - test-4.2-replica_set-noauth
       - test-4.2-sharded_cluster-noauth
-      - test-4.0-server-noauth
-      - test-4.0-replica_set-noauth
-      - test-4.0-sharded_cluster-noauth
   - name: rhel8-test-lambda
     display_name: AWS Lambda handler tests
     run_on: rhel80-large

.evergreen/generate_evergreen_tasks.js

@@ -157,22 +157,23 @@ TASKS.push(
         { func: 'stop-load-balancer' }
       ]
     })),
-    {
-      name: 'test-auth-kerberos',
-      tags: ['auth', 'kerberos'],
-      commands: [
-        updateExpansions({
-          NATIVE: 'true'
-        }),
-        { func: 'install dependencies' },
-        { func: 'run kerberos tests' }
-      ]
-    },
-    {
-      name: 'test-auth-ldap',
-      tags: ['auth', 'ldap'],
-      commands: [{ func: 'install dependencies' }, { func: 'run ldap tests' }]
-    },
+    // TODO(NODE-6944): Unskip when devprod updates ldaptest servers.
+    // {
+    //   name: 'test-auth-kerberos',
+    //   tags: ['auth', 'kerberos'],
+    //   commands: [
+    //     updateExpansions({
+    //       NATIVE: 'true'
+    //     }),
+    //     { func: 'install dependencies' },
+    //     { func: 'run kerberos tests' }
+    //   ]
+    // },
+    // {
+    //   name: 'test-auth-ldap',
+    //   tags: ['auth', 'ldap'],
+    //   commands: [{ func: 'install dependencies' }, { func: 'run ldap tests' }]
+    // },
     {
       name: 'test-socks5',
       tags: [],

src/cmap/wire_protocol/constants.ts

@@ -1,6 +1,6 @@
-export const MIN_SUPPORTED_SERVER_VERSION = '4.0';
+export const MIN_SUPPORTED_SERVER_VERSION = '4.2';
 export const MAX_SUPPORTED_SERVER_VERSION = '8.0';
-export const MIN_SUPPORTED_WIRE_VERSION = 7;
+export const MIN_SUPPORTED_WIRE_VERSION = 8;
 export const MAX_SUPPORTED_WIRE_VERSION = 25;
 export const MIN_SUPPORTED_QE_WIRE_VERSION = 21;
 export const MIN_SUPPORTED_QE_SERVER_VERSION = '7.0';