add kubesec code scanning workflow

code-scanning/kubesec.yml

@@ -0,0 +1,37 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+name: Kubesec
+
+on:
+  push:
+    branches: [ $default-branch, $protected-branches ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ $default-branch ]
+  schedule:
+    - cron: $cron-weekly
+
+jobs:
+  lint:
+    name: Kubesec
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Run kubesec scanner
+        uses: controlplaneio/kubesec-action@43d0ddff5ffee89a6bb9f29b64cd865411137b14
+        with:
+          input: file.yaml # specify configuration file to scan here
+          format: template
+          template: template/sarif.tpl
+          output: kubesec-results.sarif
+          exit-code: "0"
+
+      - name: Upload Kubesec scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@v1
+        with:
+          sarif_file: kubesec-results.sarif

code-scanning/properties/kubesec.properties.json

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+{
+    "name": "Kubesec",
+    "creator": "Controlplane",
+    "description": "Security risk analysis for Kubernetes resources. Submit pod-types (such as deployment, cronjob) to receive an itemised security risk score.",
+    "iconName": "kubesec",
+    "categories": ["Code Scanning"]
+}