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implement RBAC check in AdmissionController (#25)
1. Implement RBAC check in AdmissionController 2. Write unit tests for AdmissionController 3. Enabled unit tests in CI
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,173 @@ | ||
| /* | ||
| Copyright 2024 IBM Corporation. | ||
| 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 | ||
| http://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. | ||
| */ | ||
|
|
||
| package controller | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "math/rand" | ||
| "time" | ||
|
|
||
| . "github.com/onsi/gomega" | ||
|
|
||
| workloadv1beta2 "github.com/project-codeflare/appwrapper/api/v1beta2" | ||
| "k8s.io/apimachinery/pkg/api/resource" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "sigs.k8s.io/yaml" | ||
| ) | ||
|
|
||
| const charset = "abcdefghijklmnopqrstuvwxyz0123456789" | ||
|
|
||
| func randName(baseName string) string { | ||
| seededRand := rand.New(rand.NewSource(time.Now().UnixNano())) | ||
| b := make([]byte, 6) | ||
| for i := range b { | ||
| b[i] = charset[seededRand.Intn(len(charset))] | ||
| } | ||
| return fmt.Sprintf("%s-%s", baseName, string(b)) | ||
| } | ||
|
|
||
| func toAppWrapper(components ...workloadv1beta2.AppWrapperComponent) *workloadv1beta2.AppWrapper { | ||
| return &workloadv1beta2.AppWrapper{ | ||
| ObjectMeta: metav1.ObjectMeta{Name: randName("aw"), Namespace: "default"}, | ||
| Spec: workloadv1beta2.AppWrapperSpec{Components: components}, | ||
| } | ||
| } | ||
|
|
||
| const podYAML = ` | ||
| apiVersion: v1 | ||
| kind: Pod | ||
| metadata: | ||
| name: %v | ||
| spec: | ||
| restartPolicy: Never | ||
| containers: | ||
| - name: busybox | ||
| image: quay.io/project-codeflare/busybox:1.36 | ||
| command: ["sh", "-c", "sleep 1000"] | ||
| resources: | ||
| requests: | ||
| cpu: %v` | ||
|
|
||
| func pod(milliCPU int64) workloadv1beta2.AppWrapperComponent { | ||
| yamlString := fmt.Sprintf(podYAML, | ||
| randName("pod"), | ||
| resource.NewMilliQuantity(milliCPU, resource.DecimalSI)) | ||
|
|
||
| jsonBytes, err := yaml.YAMLToJSON([]byte(yamlString)) | ||
| Expect(err).NotTo(HaveOccurred()) | ||
| replicas := int32(1) | ||
| return workloadv1beta2.AppWrapperComponent{ | ||
| PodSets: []workloadv1beta2.AppWrapperPodSet{{Replicas: &replicas, Path: "template"}}, | ||
| Template: runtime.RawExtension{Raw: jsonBytes}, | ||
| } | ||
| } | ||
|
|
||
| const namespacedPodYAML = ` | ||
| apiVersion: v1 | ||
| kind: Pod | ||
| metadata: | ||
| name: %v | ||
| namespace: %v | ||
| spec: | ||
| restartPolicy: Never | ||
| containers: | ||
| - name: busybox | ||
| image: quay.io/project-codeflare/busybox:1.36 | ||
| command: ["sh", "-c", "sleep 1000"] | ||
| resources: | ||
| requests: | ||
| cpu: %v` | ||
|
|
||
| func namespacedPod(namespace string, milliCPU int64) workloadv1beta2.AppWrapperComponent { | ||
| yamlString := fmt.Sprintf(namespacedPodYAML, | ||
| randName("pod"), | ||
| namespace, | ||
| resource.NewMilliQuantity(milliCPU, resource.DecimalSI)) | ||
|
|
||
| jsonBytes, err := yaml.YAMLToJSON([]byte(yamlString)) | ||
| Expect(err).NotTo(HaveOccurred()) | ||
| replicas := int32(1) | ||
| return workloadv1beta2.AppWrapperComponent{ | ||
| PodSets: []workloadv1beta2.AppWrapperPodSet{{Replicas: &replicas, Path: "template"}}, | ||
| Template: runtime.RawExtension{Raw: jsonBytes}, | ||
| } | ||
| } | ||
|
|
||
| const serviceYAML = ` | ||
| apiVersion: v1 | ||
| kind: Service | ||
| metadata: | ||
| name: %v | ||
| spec: | ||
| selector: | ||
| app: test | ||
| ports: | ||
| - protocol: TCP | ||
| port: 80 | ||
| targetPort: 8080` | ||
|
|
||
| func service() workloadv1beta2.AppWrapperComponent { | ||
| yamlString := fmt.Sprintf(serviceYAML, randName("service")) | ||
| jsonBytes, err := yaml.YAMLToJSON([]byte(yamlString)) | ||
| Expect(err).NotTo(HaveOccurred()) | ||
| return workloadv1beta2.AppWrapperComponent{ | ||
| PodSets: []workloadv1beta2.AppWrapperPodSet{}, | ||
| Template: runtime.RawExtension{Raw: jsonBytes}, | ||
| } | ||
| } | ||
|
|
||
| const deploymentYAML = ` | ||
| apiVersion: apps/v1 | ||
| kind: Deployment | ||
| metadata: | ||
| name: %v | ||
| labels: | ||
| app: test | ||
| spec: | ||
| replicas: %v | ||
| selector: | ||
| matchLabels: | ||
| app: test | ||
| template: | ||
| metadata: | ||
| labels: | ||
| app: test | ||
| spec: | ||
| terminationGracePeriodSeconds: 0 | ||
| containers: | ||
| - name: busybox | ||
| image: quay.io/project-codeflare/busybox:1.36 | ||
| command: ["sh", "-c", "sleep 10000"] | ||
| resources: | ||
| requests: | ||
| cpu: %v` | ||
|
|
||
| func deployment(replicaCount int, milliCPU int64) workloadv1beta2.AppWrapperComponent { | ||
| yamlString := fmt.Sprintf(deploymentYAML, | ||
| randName("deployment"), | ||
| replicaCount, | ||
| resource.NewMilliQuantity(milliCPU, resource.DecimalSI)) | ||
|
|
||
| jsonBytes, err := yaml.YAMLToJSON([]byte(yamlString)) | ||
| Expect(err).NotTo(HaveOccurred()) | ||
| replicas := int32(replicaCount) | ||
| return workloadv1beta2.AppWrapperComponent{ | ||
| PodSets: []workloadv1beta2.AppWrapperPodSet{{Replicas: &replicas, Path: "template.spec.template"}}, | ||
| Template: runtime.RawExtension{Raw: jsonBytes}, | ||
| } | ||
| } |
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