Use kind to create cluster in CI, instead of k3d (#1821)

* Use kind to create cluster in CI, instead of k3d
* Install just csi-hostpath-driver only for `make test`
* Use service object instead of secret object
Co-authored-by: Chaitali Gondhalekar <chaitali@kasten.io>
Co-authored-by: Pavan Navarathna <6504783+pavannd1@users.noreply.github.com>

.github/workflows/main.yaml

@@ -37,18 +37,18 @@ jobs:
     - uses: actions/download-artifact@v3
       with:
         name: src
-    - uses: AbsaOSS/k3d-action@v2
-      with:
-        cluster-name: "kanister-run-${{ matrix.testSuite }}"
-        args: >-
-          --agents 3
-          --no-lb
-          --k3s-arg "--no-deploy=traefik,servicelb@server:*"
+    - uses: helm/kind-action@v1.4.0
     - run: tar -xvf ./src.tar.gz
     - run: |
         make install-csi-hostpath-driver
         make install-minio
       if: matrix.testSuite == 'integration-test' || matrix.testSuite == 'helm-test'
+    # A test (CRDSuite) that runs as part of `make test` requies atleast one CRD to
+    # be present on the cluster. That's why we are only installing csi-hostpath-driver
+    # before running `make test`, to create some CRDs on the cluster.
+    - run: |
+        make install-csi-hostpath-driver
+      if: matrix.testSuite == 'test'
     - run: make ${{ matrix.testSuite }}
   build:
     runs-on: ubuntu-20.04

pkg/kube/unstructured_test.go

@@ -17,9 +17,10 @@ package kube
 import (
 	"bytes"
 	"context"
-	. "gopkg.in/check.v1"
 	"text/template"
 
+	. "gopkg.in/check.v1"
+
 	"github.com/Masterminds/sprig"
 	"k8s.io/apimachinery/pkg/runtime/schema"
 )
@@ -37,9 +38,9 @@ func (s *UnstructuredSuite) TestFetch(c *C) {
 	gvr := schema.GroupVersionResource{
 		Group:    "",
 		Version:  "v1",
-		Resource: "serviceaccounts",
+		Resource: "services",
 	}
-	u, err := FetchUnstructuredObject(ctx, gvr, "default", "default")
+	u, err := FetchUnstructuredObject(ctx, gvr, "default", "kubernetes")
 	c.Assert(err, IsNil)
 
 	buf := bytes.NewBuffer(nil)
@@ -49,7 +50,7 @@ func (s *UnstructuredSuite) TestFetch(c *C) {
 		arg string
 	}{
 		{"{{ .Unstructured.metadata.name }}"},
-		{"{{ index .Unstructured.secrets 0 }}"},
+		{"{{ .Unstructured.spec.clusterIP }}"},
 	} {
 		t, err := template.New("config").Option("missingkey=error").Funcs(sprig.TxtFuncMap()).Parse(tc.arg)
 		c.Assert(err, IsNil)