Add GitHub Action workflow for running e2e tests

The e2e here uses kind. The eventual goal would be to remove
the use of minikube completely and use kind exclusively in
conformance to general Kubernetes upstream usage.

Signed-off-by: Nabarun Pal <[email protected]>

Author: palnabarun

.github/workflows/e2e.yaml

@@ -0,0 +1,33 @@
+name: End to End Tests
+
+on: [ push, pull_request ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.6, 3.7, 3.8, 3.9]
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        submodules: true
+    - name: Create Kind Cluster
+      uses: helm/[email protected]
+      with:
+        cluster_name: kubernetes-python-e2e-18.0-${{ matrix.python-version }}
+        version: v0.11.1
+        config: .github/workflows/configs/cluster-1.18.yaml
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/[email protected]
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install -r requirements.txt
+        python -m pip install -r test-requirements.txt
+    - name: Install package
+      run: python -m pip install -e .
+    - name: Run End to End tests
+      run: pytest -vvv -s kubernetes/e2e_test