Update performance scaling test rig (#1096)

Author: rzats

.github/workflows/performance-tests.yml

@@ -52,11 +52,29 @@ jobs:
         run: |
           cd ../driver
           sudo make web sql="${{ secrets.DB_CONN_STRING }}"
+      - name: Check out delphi-admin
+        uses: actions/checkout@v3
+        with:
+          repository: cmu-delphi/delphi-admin
+          token: ${{ secrets.CMU_DELPHI_DEPLOY_MACHINE_PAT }}
+          path: delphi-admin
       - name: Build & run Locust
+        continue-on-error: true # sometimes ~2-5 queries fail, we shouldn't end the run if that's the case
         run: |
-          cd ../driver/repos/delphi/delphi-epidata/tests/performance
+          cd delphi-admin/load-testing/locust
           docker build -t locust .
-          docker run --net=host -v $PWD:/mnt/locust -e CSV=/mnt/locust/v4-requests-smaller.csv locust -f /mnt/locust/v4.py --host http://127.0.0.1:10080/ --users 10 --spawn-rate 1 --headless -t 15m
+          export CSV=v4-requests-small.csv
+          touch output_stats.csv && chmod 666 output_stats.csv
+          touch output_stats_history.csv && chmod 666 output_stats_history.csv
+          touch output_failures.csv && chmod 666 output_failures.csv
+          touch output_exceptions.csv && chmod 666 output_exceptions.csv
+          docker run --net=host -v $PWD:/mnt/locust -e CSV="/mnt/locust/${CSV}" locust -f /mnt/locust/v4.py --host http://127.0.0.1:10080/ --users 10 --spawn-rate 1 --headless -i "$(cat ${CSV} | wc -l)" --csv=/mnt/locust/output
+      - name: Archive results as artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: locust-output
+          path: |
+            delphi-admin/load-testing/locust/output_*.csv
 
   comment-output:
     runs-on: ubuntu-latest
@@ -77,4 +95,3 @@ jobs:
               repo: context.repo.repo,
               body: '✅ Performance tests complete! Click here to view results: ${{ env.GITHUB_WORKFLOW_URL }}'
             })
-