ci/cd: set variable 추가

.github/workflows/CICD.yml

@@ -204,6 +204,30 @@ jobs:
             echo "No container found running on port $PORT"
           fi
 
+  set-variable:
+    runs-on: [ self-hosted, loadbalancer-server ]
+    outputs:
+      is_blue_env: ${{ steps.check-blue.outputs.is_blue_env }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Check Blue Environment
+        id: check-blue
+        run: |
+          IS_BLUE_ENV=$(sh /usr/local/bin/scripts/is_blue_env.sh)
+          echo "::set-output name=is_blue_env::$IS_BLUE_ENV"
+        shell: bash
+
+      - name: Print if Environment is Blue
+        run: |
+          if [[ "${{ steps.check-blue.outputs.is_blue_env }}" == "true" ]]; then
+            echo "Environment is BLUE"
+          else
+            echo "Environment is NOT BLUE"
+          fi
+        shell: bash
+
   switch-environment:
     needs: [ run-docker-image-on-server-1, run-docker-image-on-server-2 ]
     runs-on: [ self-hosted, loadbalancer-server, set-variable ]