Add WIP of helm smoke test

dask_kubernetes/operator/deployment/tests/test_smoke_helm.py

@@ -0,0 +1,59 @@
+import subprocess
+import uuid
+from pathlib import Path
+
+import pytest
+
+from dask_kubernetes.operator import KubeCluster
+
+
+@pytest.fixture(scope="module")
+def operator_image(k8s_cluster):
+    image_name = "dask-kubernetes-operator:dev"
+    project_root = Path(__file__).parent.parent.parent.parent.parent
+    dockerfile = Path(__file__).parent.parent / "Dockerfile"
+    subprocess.run(
+        ["docker", "build", "-t", image_name, "-f", dockerfile, str(project_root)],
+        check=True,
+    )
+    k8s_cluster.load_docker_image(image_name)
+    return image_name
+
+
+@pytest.fixture
+def install_cluster_role_helm_chart(k8s_cluster, operator_image, ns):
+    this_dir = Path(__file__).parent
+    helm_chart_dir = this_dir.parent / "helm" / "dask-kubernetes-operator"
+    release_name = f"pytest-smoke-operator-{str(uuid.uuid4())[:8]}"
+    docker_image_name = operator_image.split(":")[0]
+    docker_image_tag = operator_image.split(":")[1]
+    subprocess.run(
+        [
+            "helm",
+            "install",
+            "-n",
+            ns,
+            release_name,
+            str(helm_chart_dir),
+            f"--set=image.name={docker_image_name}",
+            f"--set=image.tag={docker_image_tag}",
+            "--wait",
+        ],
+        check=True,
+    )
+    yield
+    subprocess.run(
+        ["helm", "uninstall", "-n", ns, release_name],
+        check=True,
+    )
+
+
+def test_smoke_helm_deployment_role(install_cluster_role_helm_chart, ns):
+    with KubeCluster(
+        name="pytest-smoke-cluster",
+        namespace=ns,
+        shutdown_on_close=True,
+    ) as cluster:
+        cluster.scale(2)
+        client = cluster.get_client()
+        client.wait_for_workers(2, timeout=120)