[CASSANDRA-17950] Enable dtest-offheap in CircleCI

The dtest-offheap test was only added to the Jenkins configuration, so
this commit adds it to the CircleCI build for parity.

Patch by Derek Chen-Becker; reviewed by Ekaterina Dimitrova, Derek Chen-Becker, Michael Semb Wever, and Andres de la Pena for CASSANDRA-17950

Co-authored-by: Ekaterina Dimitrova <ekaterina.dimitrova@datastax.com>
Co-authored-by: Derek Chen-Becker <dchenbec@amazon.com>

.circleci/config-2_1.yml

@@ -310,6 +310,19 @@ separate_jobs: &separate_jobs
         requires:
           - start_j8_repeated_ant_test
           - build
+    # Java 8 off-heap dtests
+    - start_j8_dtests_offheap:
+        type: approval
+    - j8_dtests_offheap:
+        requires:
+          - start_j8_dtests_offheap
+          - build
+    - start_j8_dtests_offheap_repeat:
+        type: approval
+    - j8_dtests_offheap_repeat:
+        requires:
+          - start_j8_dtests_offheap_repeat
+          - build
 
 pre-commit_jobs: &pre-commit_jobs
   jobs:
@@ -412,6 +425,17 @@ pre-commit_jobs: &pre-commit_jobs
     - j8_repeated_ant_test:
         requires:
           - build
+    # Java 8 off-heap ddtests
+    - start_j8_dtests_offheap:
+        type: approval
+    - j8_dtests_offheap:
+        requires:
+          - start_j8_dtests_offheap
+          - build
+    - j8_dtests_offheap_repeat:
+        requires:
+          - start_j8_dtests_offheap
+          - build
 
 workflows:
     version: 2
@@ -683,6 +707,36 @@ jobs:
           stop_on_failure: ${REPEATED_TESTS_STOP_ON_FAILURE}
           count: ${REPEATED_UPGRADE_DTESTS_COUNT}
 
+  j8_dtests_offheap:
+    <<: *j8_par_executor
+    steps:
+      - attach_workspace:
+          at: /home/cassandra
+      - log_environment
+      - clone_dtest
+      - create_venv
+      - create_dtest_containers:
+          file_tag: j8_dtests_offheap
+          run_dtests_extra_args: "--use-vnodes --use-off-heap-memtables --skip-resource-intensive-tests"
+      - run_dtests:
+          file_tag: j8_dtests_offheap
+          pytest_extra_args: '--use-vnodes --num-tokens=16 --use-off-heap-memtables --skip-resource-intensive-tests'
+
+  j8_dtests_offheap_repeat:
+    <<: *j8_repeated_dtest_executor
+    steps:
+      - attach_workspace:
+          at: /home/cassandra
+      - clone_dtest
+      - create_venv
+      - run_repeated_dtest:
+          tests: ${REPEATED_DTESTS}
+          vnodes: "true"
+          upgrade: "false"
+          count: ${REPEATED_DTESTS_COUNT}
+          stop_on_failure: ${REPEATED_TESTS_STOP_ON_FAILURE}
+          extra_dtest_args: "--use-off-heap-memtables --skip-resource-intensive-tests"
+
 commands:
   log_environment:
     steps:
@@ -1323,6 +1377,9 @@ commands:
         type: string
       stop_on_failure:
         type: string
+      extra_dtest_args:
+        type: string
+        default: ""
     steps:
       - run:
           name: Run repeated Python dtest
@@ -1377,7 +1434,7 @@ commands:
                 fi
 
                 # we need the "set -o pipefail" here so that the exit code that circleci will actually use is from pytest and not the exit code from tee
-                set -o pipefail && cd ~/cassandra-dtest && pytest $vnodes_args --count=$count $stop_on_failure_arg $upgrade_arg --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir $tests_arg | tee /tmp/dtest/stdout.txt
+                set -o pipefail && cd ~/cassandra-dtest && pytest $vnodes_args --count=$count $stop_on_failure_arg $upgrade_arg --log-cli-level=DEBUG --junit-xml=/tmp/results/dtests/pytest_result.xml -s --cassandra-dir=/home/cassandra/cassandra --keep-test-dir <<parameters.extra_dtest_args>> $tests_arg | tee /tmp/dtest/stdout.txt
               fi
             fi
       - store_test_results:

.circleci/config-2_1.yml.high_res.patch

@@ -1,5 +1,5 @@
---- config-2_1.yml	2022-11-03 12:52:03.000000000 -0400
-+++ config-2_1.yml.HIGHRES	2022-11-03 12:53:22.000000000 -0400
+--- config-2_1.yml	2022-11-05 18:28:58.000000000 -0400
++++ config-2_1.yml.HIGHRES	2022-11-05 18:47:13.000000000 -0400
 @@ -40,8 +40,8 @@
      CASSANDRA_SKIP_SYNC: true
      DTEST_REPO: https://github.com/apache/cassandra-dtest.git

.circleci/config-2_1.yml.mid_res.patch

@@ -1,5 +1,5 @@
---- config-2_1.yml	2022-11-03 12:52:03.000000000 -0400
-+++ config-2_1.yml.MIDRES	2022-11-03 12:53:22.000000000 -0400
+--- config-2_1.yml	2022-11-05 18:28:58.000000000 -0400
++++ config-2_1.yml.MIDRES	2022-11-05 18:47:13.000000000 -0400
 @@ -126,45 +126,65 @@
    executor:
      name: java8-executor
@@ -73,7 +73,7 @@
 
  separate_jobs: &separate_jobs
    jobs:
-@@ -531,7 +551,7 @@
+@@ -555,7 +575,7 @@
            target: stress-test
 
    j8_dtests_vnode:
@@ -82,7 +82,7 @@
      steps:
        - attach_workspace:
            at: /home/cassandra
-@@ -545,7 +565,7 @@
+@@ -569,7 +589,7 @@
            pytest_extra_args: '--use-vnodes --num-tokens=32 --skip-resource-intensive-tests'
 
    j8_dtests:
@@ -91,7 +91,7 @@
      steps:
        - attach_workspace:
            at: /home/cassandra
-@@ -559,7 +579,7 @@
+@@ -583,7 +603,7 @@
            pytest_extra_args: '--skip-resource-intensive-tests'
 
    j8_upgrade_dtests:
@@ -100,3 +100,12 @@
      steps:
        - attach_workspace:
            at: /home/cassandra
+@@ -708,7 +728,7 @@
+           count: ${REPEATED_UPGRADE_DTESTS_COUNT}
+
+   j8_dtests_offheap:
+-    <<: *j8_par_executor
++    <<: *j8_large_par_executor
+     steps:
+       - attach_workspace:
+           at: /home/cassandra