Revert Unistore-based smoke tests

Remove Unistore test implementation as it's not needed.

Author: zph

.github/workflows/main.yml

@@ -248,121 +248,6 @@ jobs:
         env:
           GOFLAGS: -mod=vendor
         run: make ${{ matrix.target }}
-
-  # Fast Unistore-based smoke tests (latest of each major series)
-  # These run quickly using Unistore backend for fast feedback
-  tests-unistore:
-    runs-on: ubuntu-22.04
-    needs: [prepare-dependencies]
-    strategy:
-      fail-fast: false
-      matrix:
-        target:
-        # Latest of each major series: 6.x, 7.x, 8.x
-        - testtidb-unistore6.5.12
-        - testtidb-unistore7.5.7
-        - testtidb-unistore8.5.3
-    steps:
-      - name: Checkout Git repo
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 1
-      
-      - name: Set up Go
-        uses: actions/setup-go@v4
-        with:
-          go-version-file: go.mod
-      
-      - name: Download Terraform binary
-        uses: actions/download-artifact@v4
-        with:
-          name: terraform-binary
-          path: bin/
-      
-      - name: Download vendor directory
-        uses: actions/download-artifact@v4
-        with:
-          name: vendor-dir
-          path: vendor/
-      
-      - name: Make Terraform executable
-        run: chmod +x bin/terraform
-      
-      - name: Cache apt packages
-        uses: actions/cache@v4
-        with:
-          path: /var/cache/apt
-          key: ${{ runner.os }}-apt-${{ hashFiles('**/.github/workflows/main.yml') }}
-          restore-keys: |
-            ${{ runner.os }}-apt-
-      
-      - name: Install mysql client
-        run: |
-          sudo apt-get update -qq
-          sudo apt-get install -y --no-install-recommends mysql-client
-      
-      - name: Extract TiDB version from test target
-        id: extract-tidb-version-unistore
-        run: |
-          # Extract version from testtidb-unistore6.5.12 -> 6.5.12
-          VERSION=$(echo "${{ matrix.target }}" | sed 's/testtidb-unistore//')
-          echo "version=${VERSION}" >> $GITHUB_OUTPUT
-          echo "TiDB version for Unistore smoke test: ${VERSION}"
-      
-      - name: Cache TiUP binary (shared across all TiDB tests)
-        id: cache-tiup-binary-unistore
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/.tiup/bin
-            ~/.tiup/manifests
-          # Cache TiUP binary separately (small, ~20MB) - shared by all TiDB tests
-          key: ${{ runner.os }}-tiup-binary-${{ hashFiles('.github/workflows/main.yml') }}
-          restore-keys: |
-            ${{ runner.os }}-tiup-binary-
-      
-      - name: Cache TiDB components for this specific version
-        id: cache-tidb-version-unistore
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/.tiup/components
-          # Cache components directory per version (~700-800MB per version)
-          key: ${{ runner.os }}-tidb-${{ steps.extract-tidb-version-unistore.outputs.version }}-${{ hashFiles('.github/workflows/main.yml') }}
-          restore-keys: |
-            ${{ runner.os }}-tidb-${{ steps.extract-tidb-version-unistore.outputs.version }}-
-      
-      - name: Install TiUP (if not cached)
-        run: |
-          if ! command -v tiup &> /dev/null; then
-            curl --proto '=https' --tlsv1.2 -sSf https://tiup-mirrors.pingcap.com/install.sh | sh
-            echo "$HOME/.tiup/bin" >> $GITHUB_PATH
-          else
-            echo "$HOME/.tiup/bin" >> $GITHUB_PATH
-          fi
-      
-      - name: Update TiUP and playground component
-        run: |
-          export PATH=$HOME/.tiup/bin:$PATH
-          tiup update --self || true
-          tiup update playground || true
-      
-      - name: Install TiDB components for this version (if not cached)
-        if: steps.cache-tidb-version-unistore.outputs.cache-hit != 'true'
-        run: |
-          export PATH=$HOME/.tiup/bin:$PATH
-          VERSION="${{ steps.extract-tidb-version-unistore.outputs.version }}"
-          echo "Installing TiDB components for v${VERSION} (cache miss)..."
-          tiup install tidb:v${VERSION} || true
-          tiup install pd:v${VERSION} || true
-          # Note: TiKV not needed for Unistore, but install for cache consistency
-          tiup install tikv:v${VERSION} || true
-          echo "TiDB v${VERSION} components installed and will be cached for next run"
-      
-      - name: Run Unistore smoke tests {{ matrix.target }}
-        env:
-          GOFLAGS: -mod=vendor
-        run: make ${{ matrix.target }}
   # DISABLED to figure out GPG signing issue on Github Actions
   #         possibly due to lack of TTY inside docker?
   # release:

GNUmakefile

@@ -95,18 +95,6 @@ testtidb:
 	MYSQL_VERSION=$(MYSQL_VERSION) MYSQL_PORT=$(MYSQL_PORT) $(CURDIR)/scripts/tidb-playground.sh stop; \
 	exit $$TEST_RESULT
 
-# Fast Unistore-based smoke tests (latest of each major series)
-testtidb-unistore%:
-	$(MAKE) MYSQL_VERSION=$* MYSQL_PORT=35$(shell echo "$*" | tr -d '.') testtidb-unistore
-
-# WARNING: this does not work as a bare task run, it only instantiates correctly inside the versioned TiDB task run
-testtidb-unistore:
-	@MYSQL_VERSION=$(MYSQL_VERSION) MYSQL_PORT=$(MYSQL_PORT) $(CURDIR)/scripts/tidb-playground-unistore.sh start || exit 1
-	MYSQL_USERNAME="$(TEST_USER)" MYSQL_PASSWORD="" MYSQL_ENDPOINT=127.0.0.1:$(MYSQL_PORT) $(MAKE) testacc; \
-	TEST_RESULT=$$?; \
-	MYSQL_VERSION=$(MYSQL_VERSION) MYSQL_PORT=$(MYSQL_PORT) $(CURDIR)/scripts/tidb-playground-unistore.sh stop; \
-	exit $$TEST_RESULT
-
 testmariadb%:
 	$(MAKE) MYSQL_VERSION=$* MYSQL_PORT=6$(shell echo "$*" | tr -d '.') testmariadb