run cold start test

.github/workflows/e2e-perf.yaml

@@ -12,6 +12,7 @@ on:
 
 env:
   N_SIMUL_PERF_DATA_FILE: n-simul-perf-data.json
+  COLD_START_PERF_DATA_FILE: cold-start.txt
   E2E_UTILS: ./hack/e2e/perf/scripts/utils.sh
 
 permissions:
@@ -97,11 +98,21 @@ jobs:
           helm upgrade --install --wait pr-${{ github.event.pull_request.number }} \
           ./chart -f helm-values.yaml
 
-      - name: Create PERF_DATA_FILE
+      - name: Time taken to create a cluster on cold start
+        run: |
+          bash hack/e2e/perf/01-multicluster.sh 1 > $COLD_START_PERF_DATA_FILE
+          
+      - name: Rename and update COLD_START_PERF_DATA_FILE
+        run: |
+          NEW_NAME="${COLD_START_PERF_DATA_FILE%.txt}-${{ matrix.git_branch }}.txt"
+          mv COLD_START_PERF_DATA_FILE $NEW_NAME
+          echo "COLD_START_PERF_DATA_FILE=$NEW_NAME" >> $GITHUB_ENV          
+
+      - name: Create N_SIMUL_PERF_DATA_FILE
         run: |
           # Ensure the file exists and initialize it as an empty array if not
-          if [ ! -f "$PERF_DATA_FILE" ]; then
-            echo '[]' > "$PERF_DATA_FILE"
+          if [ ! -f "$N_SIMUL_PERF_DATA_FILE" ]; then
+            echo '[]' > "$N_SIMUL_PERF_DATA_FILE"
           fi
 
       - name: Time taken to create UffizziClusters with different numbers of workers
@@ -117,10 +128,10 @@ jobs:
 
             # time taken to create n clusters simultaneously
             time=$(bash hack/e2e/perf/01-multicluster.sh $n_simultaneous_clusters)
-            bash $E2E_UTILS update_json_with_workers_and_time $n_workers $time $PERF_DATA_FILE
+            bash $E2E_UTILS update_json_with_workers_and_time $n_workers $time $N_SIMUL_PERF_DATA_FILE
           done
           
-          cat $PERF_DATA_FILE
+          cat $N_SIMUL_PERF_DATA_FILE
 
 #      - name: dummy data
 #        shell: bash
@@ -139,17 +150,17 @@ jobs:
 #            {"workers": 30, "time": '$((300 * factor))'}
 #           ]' > $PERF_DATA_FILE
 
-      - name: Rename and update PERF_DATA_FILE
+      - name: Rename and update N_SIMUL_PERF_DATA_FILE
         run: |
-          NEW_NAME="${PERF_DATA_FILE%.json}-${{ matrix.git_branch }}.json"
-          mv $PERF_DATA_FILE $NEW_NAME
-          echo "PERF_DATA_FILE=$NEW_NAME" >> $GITHUB_ENV
+          NEW_NAME="${N_SIMUL_PERF_DATA_FILE%.json}-${{ matrix.git_branch }}.json"
+          mv $N_SIMUL_PERF_DATA_FILE $NEW_NAME
+          echo "N_SIMUL_PERF_DATA_FILE=$NEW_NAME" >> $GITHUB_ENV
 
-      - name: Upload PERF_DATA_FILE artifact
+      - name: Upload N_SIMUL_PERF_DATA_FILE artifact
         uses: actions/upload-artifact@v2
         with:
           name: perf-data-${{ matrix.git_branch }}
-          path: ${{ env.PERF_DATA_FILE }}
+          path: ${{ env.N_SIMUL_PERF_DATA_FILE }}
 
   performance-overview:
     name: Collate performance data and post overview