export git SHA commit for IDK tests

This is a sanity-check after a weird CI failure; we want
to ensure that we're actually getting the expected version of
featurebase. The environment variable here is magic to the
IDK tests.

Author: seebs

.gitlab/.gitlab-ci.yml

@@ -353,7 +353,7 @@ run go tests idk race:
     - cd ./idk/
     - echo $PROJECT
     - echo $CI_COMMIT_REF_SLUG
-    - BRANCH_NAME=${CI_COMMIT_REF_SLUG} make test-all-race
+    - BRANCH_NAME=${CI_COMMIT_REF_SLUG} IDK_FEATUREBASE_HASH=${CI_COMMIT_SHA} make test-all-race
   after_script:
     - cd ./idk/
     - make save-pilosa-logs
@@ -378,7 +378,7 @@ run go tests idk shard transactional:
     - cd ./idk/
     - echo $PROJECT
     - echo $CI_COMMIT_REF_SLUG
-    - BRANCH_NAME=${CI_COMMIT_REF_SLUG} make test-all
+    - BRANCH_NAME=${CI_COMMIT_REF_SLUG} IDK_FEATUREBASE_HASH=${CI_COMMIT_SHA} make test-all
   after_script:
     - cd ./idk/
     - make save-pilosa-logs
@@ -404,7 +404,7 @@ run go tests idk 533:
     - cd ./idk/
     - echo $PROJECT
     - echo $CI_COMMIT_REF_SLUG
-    - CONFLUENT_VERSION=5.3.3 BRANCH_NAME=${CI_COMMIT_REF_SLUG} make test-all
+    - CONFLUENT_VERSION=5.3.3 BRANCH_NAME=${CI_COMMIT_REF_SLUG} IDK_FEATUREBASE_HASH=${CI_COMMIT_SHA} make test-all
   after_script:
     - cd ./idk/
     - make save-pilosa-logs
@@ -428,7 +428,7 @@ run go tests idk sasl:
     - cd ./idk/
     - echo $PROJECT
     - echo $CI_COMMIT_REF_SLUG
-    - BRANCH_NAME=${CI_COMMIT_REF_SLUG} make test-all-kafka-sasl
+    - BRANCH_NAME=${CI_COMMIT_REF_SLUG} IDK_FEATUREBASE_HASH=${CI_COMMIT_SHA} make test-all-kafka-sasl
   after_script:
     - cd ./idk/
     - make save-pilosa-logs

idk/docker-compose.yml

@@ -120,6 +120,7 @@ services:
       dockerfile: ./idk/Dockerfile-test
     environment:
       IDK_DEFAULT_SHARD_TRANSACTIONAL: ${IDK_DEFAULT_SHARD_TRANSACTIONAL}
+      IDK_FEATUREBASE_HASH: ${IDK_FEATUREBASE_HASH}
     volumes:
       - ./testenv/certs:/certs
       - ./docker-sasl/ssl_keys:/ssl_keys