remove rails boot requirement from JS job

Change-Id: I50f371c95f0f89dda05fd548ece3292fd7a63276
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/294421
Tested-by: Service Cloud Jenkins <svc.cloudjenkins@instructure.com>
Reviewed-by: Alex Slaughter <aslaughter@instructure.com>
QA-Review: Aaron Ogata <aogata@instructure.com>
Product-Review: Aaron Ogata <aogata@instructure.com>

Jenkinsfile

@@ -455,12 +455,13 @@ pipeline {
                     .execute {
                       buildDockerImageStage.patchsetImage('''
                         diffFrom=$(git --git-dir $LOCAL_WORKDIR/.git rev-parse $GERRIT_PATCHSET_REVISION^1)
-                        docker run -dt --name general-build-container --volume $(pwd)/$LOCAL_WORKDIR/.git:$DOCKER_WORKDIR/.git -e RAILS_ENV=test $PATCHSET_TAG bash -c "bin/rails runner \"true\" && sleep infinity"
+                        docker run -dt --name general-build-container --volume $(pwd)/$LOCAL_WORKDIR/.git:$DOCKER_WORKDIR/.git -e RAILS_ENV=test $PATCHSET_TAG bash -c "sleep infinity"
                         docker exec -dt \
                                       -e CRYSTALBALL_DIFF_FROM=$diffFrom \
                                       -e CRYSTALBALL_DIFF_TO=$GERRIT_PATCHSET_REVISION \
                                       -e CRYSTALBALL_REPO_PATH=$DOCKER_WORKDIR \
                                       general-build-container bundle exec crystalball --dry-run
+                        docker exec -dt general-build-container bin/rails graphql:schema
                         docker exec -t general-build-container ps aww
                       ''')
                     }

build/new-jenkins/js/docker-build.sh

@@ -41,6 +41,12 @@ fi
 
 tag_many $KARMA_BUILDER_SELECTED_TAG local/karma-builder ${KARMA_BUILDER_TAGS[SAVE_TAG]}
 
+while docker exec -t general-build-container ps aww | grep graphql; do
+  sleep 0.1
+done
+
+docker cp $(docker ps -qa -f name=general-build-container):/usr/src/app/schema.graphql ./schema.graphql
+
 docker build \
   --build-arg PATCHSET_TAG="$PATCHSET_TAG" \
   --file Dockerfile.jenkins.karma-runner \

build/new-jenkins/library/vars/jsStage.groovy

@@ -121,7 +121,7 @@ def queueJestDistribution(index) {
       'CI=1',
     ]
 
-    callableWithDelegate(queueTestStage())(stages, "jest${index}", jestEnvVars, 'bundle exec rails graphql:schema && yarn test:jest:build')
+    callableWithDelegate(queueTestStage())(stages, "jest${index}", jestEnvVars, 'yarn test:jest:build')
   }
 }