CDRIVER-3620 Remove RHEL 6.2 tests and RHEL 7.0 CSE tests from Evergreen (#1180)

* CDRIVER-4552 Remove RHEL 6.2 tests from Evergreen

* CDRIVER-3620 Add 4.0 replica set test to GCC 7.5

* CDRIVER-3814 Remove CSE tests from RHEL 7.0 due to OCSP cert issues

Author: eramongodb

.evergreen/config.yml

@@ -22933,16 +22933,16 @@ buildvariants:
   - .compression !.snappy
   - release-compile
   - debug-compile-nosasl-nossl
-  - .debug-compile !.sspi .openssl
+  - .debug-compile !.sspi .openssl !.client-side-encryption
   - .debug-compile !.sspi .nossl
   - .authentication-tests .openssl
-  - .latest .openssl !.nosasl .server
+  - .latest .openssl !.nosasl .server !.client-side-encryption
   - .latest .nossl
-  - .5.0 .openssl !.nosasl .server
-  - .4.4 .openssl !.nosasl .server
-  - .4.2 .openssl !.nosasl .server
-  - .4.0 .openssl !.nosasl .server
-  - .3.6 .openssl !.nosasl .server
+  - .5.0 .openssl !.nosasl .server !.client-side-encryption
+  - .4.4 .openssl !.nosasl .server !.client-side-encryption
+  - .4.2 .openssl !.nosasl .server !.client-side-encryption
+  - .4.0 .openssl !.nosasl .server !.client-side-encryption
+  - .3.6 .openssl !.nosasl .server !.client-side-encryption
 - name: gcc49
   display_name: GCC 4.9 (Debian 8.1)
   expansions:
@@ -23057,6 +23057,7 @@ buildvariants:
   - .4.4 .openssl !.nosasl .server
   - .4.2 .openssl !.nosasl .server
   - .4.0 .openssl !.nosasl .server
+  - .4.0 .openssl !.nosasl .replica_set
   - test-dns-openssl
   - test-dns-auth-openssl
   - test-dns-loadbalanced-openssl
@@ -23351,18 +23352,6 @@ buildvariants:
   - test-aws-openssl-ecs-4.4
   - test-aws-openssl-assume_role-4.4
   - test-aws-openssl-lambda-4.4
-- name: rhel62
-  display_name: RHEL 6.2
-  expansions:
-    CC: gcc
-  run_on: rhel62-test
-  tasks:
-  - debug-compile-sasl-openssl
-  - test-4.0-server-auth-sasl-openssl
-  - test-4.0-replica-set-auth-sasl-openssl
-  - test-latest-server-auth-sasl-openssl
-  - test-latest-replica-set-auth-sasl-openssl
-  batchtime: 1440
 - name: mongohouse
   display_name: Mongohouse Test
   run_on: ubuntu1804-test

.evergreen/skip-tests.txt

@@ -75,7 +75,6 @@
 
 /transactions/legacy/mongos-recovery-token/"commitTransaction retry fails on new mongos" # fails with server selection timeout (CDRIVER-4268)
 /crud/unified/aggregate-out-readConcern/"readConcern available with out stage" # server error on sharded: "PlanExecutor error" (CDRIVER-4161)
-/client_side_encryption/legacy/azureKMS/"Insert a document with auto encryption using Azure KMS provider" # failing on RHEL 7.0 / RHEL 7.1 (CDRIVER-3814)
 /transactions/legacy/pin-mongos/"unpin after transient error within a transaction and commit" # (CDRIVER-4351) server selection timeout (on ASAN Tests Ubuntu 18.04 build variant)
 /Samples # (CDRIVER-4352) strange "heartbeat failed" error
 /server_discovery_and_monitoring/monitoring/heartbeat/pooled/dns # (CDRIVER-4353) this initially seemed like a zSeries w/ RHEL8 issue, but it also appeared on arm64 w/ Ubuntu 18.04

build/evergreen_config_lib/variants.py

@@ -223,20 +223,22 @@ def days(n):
     Variant('gcc48rhel',
             'GCC 4.8 (RHEL 7.0)',
             'rhel70',
+            # Skip client-side-encryption tests on RHEL 7.0 due to OCSP errors
+            # with Azure. See CDRIVER-3620 and CDRIVER-3814.
             ['.hardened',
              '.compression !.snappy',
              'release-compile',
              'debug-compile-nosasl-nossl',
-             '.debug-compile !.sspi .openssl',
+             '.debug-compile !.sspi .openssl !.client-side-encryption',
              '.debug-compile !.sspi .nossl',
              '.authentication-tests .openssl',
-             '.latest .openssl !.nosasl .server',
+             '.latest .openssl !.nosasl .server !.client-side-encryption',
              '.latest .nossl',
-             '.5.0 .openssl !.nosasl .server',
-             '.4.4 .openssl !.nosasl .server',
-             '.4.2 .openssl !.nosasl .server',
-             '.4.0 .openssl !.nosasl .server',
-             '.3.6 .openssl !.nosasl .server'],
+             '.5.0 .openssl !.nosasl .server !.client-side-encryption',
+             '.4.4 .openssl !.nosasl .server !.client-side-encryption',
+             '.4.2 .openssl !.nosasl .server !.client-side-encryption',
+             '.4.0 .openssl !.nosasl .server !.client-side-encryption',
+             '.3.6 .openssl !.nosasl .server !.client-side-encryption'],
             {'CC': 'gcc'}),
     Variant('gcc49',
             'GCC 4.9 (Debian 8.1)',
@@ -336,6 +338,7 @@ def days(n):
              '.4.4 .openssl !.nosasl .server',
              '.4.2 .openssl !.nosasl .server',
              '.4.0 .openssl !.nosasl .server',
+             '.4.0 .openssl !.nosasl .replica_set',
              'test-dns-openssl',
              'test-dns-auth-openssl',
              'test-dns-loadbalanced-openssl'
@@ -604,17 +607,6 @@ def days(n):
         'test-aws-openssl-assume_role-4.4',
         'test-aws-openssl-lambda-4.4'
     ], {'CC': 'clang'}),
-    Variant('rhel62',
-            'RHEL 6.2',
-            'rhel62-test',
-            ['debug-compile-sasl-openssl',
-             'test-4.0-server-auth-sasl-openssl',
-             'test-4.0-replica-set-auth-sasl-openssl',
-             'test-latest-server-auth-sasl-openssl',
-             'test-latest-replica-set-auth-sasl-openssl'
-             ],
-            {'CC': 'gcc'},
-            batchtime=days(1)),
     Variant('mongohouse',
             'Mongohouse Test',
             'ubuntu1804-test',

src/libmongoc/doc/installing.rst

@@ -14,7 +14,7 @@ The MongoDB C Driver is continuously tested on a variety of platforms including:
 - Debian 9.2, 10.0, 11.0
 - macOS 10.14
 - Microsoft Windows Server 2008, 2016
-- RHEL 6.2, 7.0, 7.1, 8.1, 8.2, 8.3
+- RHEL 7.0, 7.1, 8.1, 8.2, 8.3
 - Ubuntu 16.04, 18.04, 20.04
 - Clang 3.4, 3.5, 3.7, 3.8, 6.0
 - GCC 4.8, 4.9, 5.4, 6.3, 7.5, 8.2, 8.3, 9.4, 10.2