Use cache for Docker Image File

.github/workflows/e2e.yml

@@ -8,10 +8,16 @@ on:
       - main
       - release/**
 
+env:
+  TAG: ostracon/e2e-node
+  CACHE_DIR: /tmp/ostracon/e2etest
+
 jobs:
-  e2e-test:
+  e2e-build:
     runs-on: ubuntu-latest
     timeout-minutes: 30
+    outputs:
+      CACHE_FILE: ${{ steps.prep.outputs.CACHE_FILE }}
     steps:
       - uses: actions/setup-go@v3
         with:
@@ -29,36 +35,91 @@ jobs:
             go.sum
 
       - name: Create cache directory
-        run: mkdir -p /tmp/.buildx-cache
+        run: |
+          mkdir -p /tmp/.buildx-cache
+          mkdir -p ${{ env.CACHE_DIR }}
+
+      - name: Prepare
+        id: prep
+        run: |
+          HASH_GHE=${{ github.sha }}
+          VARIANT=$(TZ=UTC-9 date '+%Y%m')${HASH_GHE:0:7}
+          NAME_TAR="${VARIANT}.tar"
+          CACHE_FILE=${{ env.CACHE_DIR }}"/${NAME_TAR}"
+          echo "::set-output name=CACHE_FILE::${CACHE_FILE}"
+        if: "env.GIT_DIFF != ''"
+
+      - name: Get Docker Image File from cache
+        id: cache
+        uses: actions/cache@v3
+        with:
+          path: ${{ env.CACHE_DIR }}
+          key: ${{ steps.prep.outputs.CACHE_FILE }}
+        if: "env.GIT_DIFF != ''"
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
-        if: "env.GIT_DIFF != ''"
+        if: "env.GIT_DIFF != '' && steps.cache.outputs.cache-hit != 'true'"
 
-      - name: Load cached Docker layers
+      - name: Get cached Docker layers
         uses: actions/cache@v3
         with:
           path: /tmp/.buildx-cache
           key: ${{ runner.os }}-buildx-${{ github.sha }}
           restore-keys: |
             ${{ runner.os }}-buildx-
-        if: "env.GIT_DIFF != ''"
+        if: "env.GIT_DIFF != '' && steps.cache.outputs.cache-hit != 'true'"
 
       - name: Build e2e Docker
         uses: docker/build-push-action@v2
         with:
           context: .
           file: ./test/e2e/docker/Dockerfile
-          tags: ostracon/e2e-node
+          tags: ${{ env.TAG }}
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max
           load: true
-        if: "env.GIT_DIFF != ''"
+        if: "env.GIT_DIFF != '' && steps.cache.outputs.cache-hit != 'true'"
 
       - name: Move cached Docker layers
         run: |
           rm -rf /tmp/.buildx-cache
           mv /tmp/.buildx-cache-new /tmp/.buildx-cache
+        if: "env.GIT_DIFF != '' && steps.cache.outputs.cache-hit != 'true'"
+
+      - name: Save Docker Image
+        run: |
+          docker save -o ${{ steps.prep.outputs.CACHE_FILE }} ${{ env.TAG }}
+        if: "env.GIT_DIFF != '' && steps.cache.outputs.cache-hit != 'true'"
+
+  e2e-test:
+    needs: e2e-build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-go@v3
+        with:
+          go-version: '1.15.4'
+
+      - uses: actions/checkout@v3
+
+      - uses: technote-space/[email protected]
+        with:
+          PATTERNS: |
+            **/**.go
+            go.mod
+            go.sum
+
+      - name: Get Docker Image File from cache
+        id: cache
+        uses: actions/cache@v3
+        with:
+          path: ${{ env.CACHE_DIR }}
+          key: ${{ needs.e2e-build.outputs.CACHE_FILE }}
+        if: "env.GIT_DIFF != ''"
+
+      - name: Load Docker Image on Docker
+        run: |
+          docker load -i ${{ needs.e2e-build.outputs.CACHE_FILE }}
         if: "env.GIT_DIFF != ''"
 
       - name: Build e2e runner