Add post action cleanup to remove kind cluster (#21)

.github/workflows/test.yaml

@@ -20,3 +20,19 @@ jobs:
         run: |
           kubectl cluster-info
           kubectl get storageclass standard
+
+  test-with-custom-name:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
+
+      - name: Create kind cluster with custom name
+        uses: ./
+        with:
+          cluster_name: "custom-name"
+
+      - name: Test
+        run: |
+          kubectl cluster-info
+          kubectl get storageclass standard

action.yml

@@ -20,3 +20,4 @@ inputs:
 runs:
   using: "node12"
   main: "main.js"
+  post: "cleanup.js"

cleanup.js

@@ -0,0 +1,19 @@
+// Copyright The Helm Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+//   # You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+//   # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//   # See the License for the specific language governing permissions and
+// limitations under the License.
+
+const spawnSync = require('child_process').spawnSync;
+const path = require("path");
+
+const proc = spawnSync('bash', [path.join(__dirname, 'cleanup.sh')], {stdio: 'inherit'});
+process.exit(proc.status)

cleanup.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+
+# Copyright The Helm Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+DEFAULT_CLUSTER_NAME=chart-testing
+
+main() {
+    args=()
+
+    if [[ -n "${INPUT_CLUSTER_NAME:-}" ]]; then
+        args+=(--name "${INPUT_CLUSTER_NAME}")
+    else
+        args+=(--name "${DEFAULT_CLUSTER_NAME}")
+    fi
+
+    kind delete cluster "${args[@]}"
+}
+
+main
+