feat: add best practices policies in CEL expressions

.github/workflows/test.yml

@@ -32,6 +32,7 @@ jobs:
           - ^argo$
           - ^aws$
           - ^best-practices$
+          - ^best-practices-cel$
           - ^castai$
           - ^cert-manager$
           - ^consul$

best-practices-cel/disallow-default-namespace/.chainsaw-test/chainsaw-step-01-assert-1.yaml

@@ -0,0 +1,6 @@
+apiVersion: kyverno.io/v1
+kind: ClusterPolicy
+metadata:
+  name: disallow-default-namespace
+status:
+  ready: true

best-practices-cel/disallow-default-namespace/.chainsaw-test/chainsaw-step-02-apply-1.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: not-default-ns

best-practices-cel/disallow-default-namespace/.chainsaw-test/chainsaw-test.yaml

@@ -0,0 +1,55 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/kyverno/chainsaw/main/.schemas/json/test-chainsaw-v1alpha1.json
+apiVersion: chainsaw.kyverno.io/v1alpha1
+kind: Test
+metadata:
+  creationTimestamp: null
+  name: disallow-default-namespace
+spec:
+  steps:
+  - name: step-01
+    try:
+    - apply:
+        file: ../disallow-default-namespace.yaml
+    - patch:
+        resource:
+          apiVersion: kyverno.io/v1
+          kind: ClusterPolicy
+          metadata:
+            name: disallow-default-namespace
+          spec:
+            validationFailureAction: Enforce
+    - assert:
+        file: chainsaw-step-01-assert-1.yaml
+  - name: step-02
+    try:
+    - apply:
+        file: chainsaw-step-02-apply-1.yaml
+  - name: step-03
+    try:
+    - apply:
+        file: good-resources.yaml
+    - apply:
+        expect:
+        - check:
+            ($error != null): true
+        file: pod-default.yaml
+    - apply:
+        expect:
+        - check:
+            ($error != null): true
+        file: ds-default.yaml
+    - apply:
+        expect:
+        - check:
+            ($error != null): true
+        file: job-default.yaml
+    - apply:
+        expect:
+        - check:
+            ($error != null): true
+        file: ss-default.yaml
+    - apply:
+        expect:
+        - check:
+            ($error != null): true
+        file: deploy-default.yaml

best-practices-cel/disallow-default-namespace/.chainsaw-test/deploy-default.yaml

@@ -0,0 +1,23 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app: busybox
+  name: bad-busybox
+  namespace: default
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: busybox
+  template:
+    metadata:
+      labels:
+        app: busybox
+    spec:
+      containers:
+      - image: busybox:v1.35
+        name: busybox
+        command:
+        - "sleep"
+        - "3000"

best-practices-cel/disallow-default-namespace/.chainsaw-test/ds-default.yaml

@@ -0,0 +1,20 @@
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: bad-daemonset
+  namespace: default
+spec:
+  selector:
+    matchLabels:
+      name: good-daemonset
+  template:
+    metadata:
+      labels:
+        name: good-daemonset
+    spec:
+      containers:
+      - image: busybox:v1.35
+        name: busybox
+        command:
+        - "sleep"
+        - "3000"

best-practices-cel/disallow-default-namespace/.chainsaw-test/good-resources.yaml

@@ -0,0 +1,97 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: goodpod01
+  namespace: not-default-ns
+spec:
+  containers:
+  - name: busybox
+    image: "busybox:v1.35"
+    command:
+    - "sleep"
+    - "3000"
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app: busybox
+  name: busybox
+  namespace: not-default-ns
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: busybox
+  template:
+    metadata:
+      labels:
+        app: busybox
+    spec:
+      containers:
+      - image: busybox:v1.35
+        name: busybox
+        command:
+        - "sleep"
+        - "3000"
+---
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: good-daemonset
+  namespace: not-default-ns
+spec:
+  selector:
+    matchLabels:
+      name: good-daemonset
+  template:
+    metadata:
+      labels:
+        name: good-daemonset
+    spec:
+      containers:
+      - image: busybox:v1.35
+        name: busybox
+        command:
+        - "sleep"
+        - "3000"
+---
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: good-job
+  namespace: not-default-ns
+spec:
+  template:
+    spec:
+      containers:
+      - image: busybox:v1.35
+        name: busybox
+        command:
+        - "sleep"
+        - "3000"
+      restartPolicy: Never
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: good-statefulset
+  namespace: not-default-ns
+spec:
+  selector:
+    matchLabels:
+      app: busybox
+  serviceName: "busyservice"
+  replicas: 1
+  minReadySeconds: 10
+  template:
+    metadata:
+      labels:
+        app: busybox
+    spec:
+      containers:
+      - image: busybox:v1.35
+        name: busybox
+        command:
+        - "sleep"
+        - "3000"

best-practices-cel/disallow-default-namespace/.chainsaw-test/job-default.yaml

@@ -0,0 +1,15 @@
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: bad-job
+  namespace: default
+spec:
+  template:
+    spec:
+      containers:
+      - image: busybox:v1.35
+        name: busybox
+        command:
+        - "sleep"
+        - "3000"
+      restartPolicy: Never

best-practices-cel/disallow-default-namespace/.chainsaw-test/pod-default.yaml

@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: badpod01
+  namespace: default
+spec:
+  containers:
+  - name: busybox
+    image: "busybox:v1.35"
+    command:
+    - "sleep"
+    - "3000"

best-practices-cel/disallow-default-namespace/.chainsaw-test/ss-default.yaml

@@ -0,0 +1,23 @@
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: good-statefulset
+  namespace: default
+spec:
+  selector:
+    matchLabels:
+      app: busybox
+  serviceName: "busyservice"
+  replicas: 1
+  minReadySeconds: 10
+  template:
+    metadata:
+      labels:
+        app: busybox
+    spec:
+      containers:
+      - image: busybox:v1.35
+        name: busybox
+        command:
+        - "sleep"
+        - "3000"

best-practices-cel/disallow-default-namespace/.kyverno-test/kyverno-test.yaml

@@ -0,0 +1,33 @@
+apiVersion: cli.kyverno.io/v1alpha1
+kind: Test
+metadata:
+  name: disallow-default-namespace
+policies:
+- ../disallow-default-namespace.yaml
+resources:
+- resource.yaml
+results:
+- kind: Pod
+  policy: disallow-default-namespace
+  resources:
+  - badpod01
+  result: fail
+  rule: validate-namespace
+- kind: Pod
+  policy: disallow-default-namespace
+  resources:
+  - goodpod01
+  result: pass
+  rule: validate-namespace
+- kind: Deployment
+  policy: disallow-default-namespace
+  resources:
+  - baddeployment01
+  result: fail
+  rule: validate-podcontroller-namespace
+- kind: Deployment
+  policy: disallow-default-namespace
+  resources:
+  - gooddeployment01
+  result: pass
+  rule: validate-podcontroller-namespace

best-practices-cel/disallow-default-namespace/.kyverno-test/resource.yaml

@@ -0,0 +1,66 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: badpod01
+  namespace: default
+  labels:
+    app: myapp
+spec:
+  containers:
+  - name: nginx
+    image: nginx
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  name: goodpod01
+  namespace: foo
+  labels:
+    app: myapp
+spec:
+  containers:
+  - name: nginx
+    image: nginx
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: baddeployment01
+  labels:
+    app: busybox
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: busybox
+  template:
+    metadata:
+      labels:
+        app: busybox
+    spec:
+      containers:
+      - image: busybox:1.28
+        name: busybox
+        command: ["sleep", "9999"]
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: gooddeployment01
+  labels:
+    app: busybox
+  namespace: foo
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: busybox
+  template:
+    metadata:
+      labels:
+        app: busybox
+    spec:
+      containers:
+      - image: busybox:1.28
+        name: busybox
+        command: ["sleep", "9999"]