Split opensearch tests from elasticsearch (#3423)

.github/workflows/ci-elasticsearch.yml

@@ -22,9 +22,6 @@ jobs:
         - major: 7.x
           image: 7.14.0
           distribution: elasticsearch
-        - major: 1.x
-          image: 1.0.0
-          distribution: opensearch
     name: ${{ matrix.version.distribution }} ${{ matrix.version.major }}
     steps:
     - uses: actions/checkout@v2.4.0

.github/workflows/ci-opensearch.yml

@@ -0,0 +1,39 @@
+name: CIT OpenSearch
+
+on:
+  push:
+    branches: [main]
+
+  pull_request:
+    branches: [main]
+
+jobs:
+  opensearch:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        version:
+        - major: 1.x
+          image: 1.0.0
+          distribution: opensearch
+    name: ${{ matrix.version.distribution }} ${{ matrix.version.major }}
+    steps:
+    - uses: actions/checkout@v2.4.0
+      with:
+        submodules: true
+
+    - name: Fetch git tags
+      run: |
+        git fetch --prune --unshallow --tags
+
+    - uses: actions/setup-go@v2
+      with:
+        go-version: ^1.17
+
+    - name: Install tools
+      run: make install-ci
+
+    - uses: docker/setup-qemu-action@v1
+
+    - name: Run opensearch integration tests
+      run: bash scripts/es-integration-test.sh ${{ matrix.version.distribution }} ${{ matrix.version.image }}