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Merge pull request k0sproject#261 from makhov/controller-plus-worker
CAPI: controller+worker docs
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225 changes: 225 additions & 0 deletions
225
inttest/capi-controlplane-docker-worker/capi_controlplane_docker_worker_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,225 @@ | ||
| /* | ||
| Copyright 2023. | ||
| 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 capicontolplanedocker | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "os" | ||
| "os/exec" | ||
| "strconv" | ||
| "strings" | ||
| "testing" | ||
| "time" | ||
|
|
||
| k0stestutil "github.com/k0sproject/k0s/inttest/common" | ||
| "github.com/k0sproject/k0smotron/inttest/util" | ||
|
|
||
| "github.com/stretchr/testify/suite" | ||
| corev1 "k8s.io/api/core/v1" | ||
| "k8s.io/apimachinery/pkg/util/json" | ||
| "k8s.io/apimachinery/pkg/util/wait" | ||
| "k8s.io/client-go/kubernetes" | ||
| "k8s.io/client-go/rest" | ||
| "k8s.io/client-go/tools/clientcmd" | ||
| ) | ||
|
|
||
| type CAPIControlPlaneDockerSuite struct { | ||
| suite.Suite | ||
| client *kubernetes.Clientset | ||
| restConfig *rest.Config | ||
| clusterYamlsPath string | ||
| ctx context.Context | ||
| } | ||
|
|
||
| func TestCAPIControlPlaneDockerWorkerWorkerSuite(t *testing.T) { | ||
| s := CAPIControlPlaneDockerSuite{} | ||
| suite.Run(t, &s) | ||
| } | ||
|
|
||
| func (s *CAPIControlPlaneDockerSuite) SetupSuite() { | ||
| kubeConfigPath := os.Getenv("KUBECONFIG") | ||
| s.Require().NotEmpty(kubeConfigPath, "KUBECONFIG env var must be set and point to kind cluster") | ||
| // Get kube client from kubeconfig | ||
| restCfg, err := clientcmd.BuildConfigFromFlags("", kubeConfigPath) | ||
| s.Require().NoError(err) | ||
| s.Require().NotNil(restCfg) | ||
| s.restConfig = restCfg | ||
|
|
||
| // Get kube client from kubeconfig | ||
| kubeClient, err := kubernetes.NewForConfig(restCfg) | ||
| s.Require().NoError(err) | ||
| s.Require().NotNil(kubeClient) | ||
| s.client = kubeClient | ||
|
|
||
| tmpDir := s.T().TempDir() | ||
| s.clusterYamlsPath = tmpDir + "/cluster.yaml" | ||
| s.Require().NoError(os.WriteFile(s.clusterYamlsPath, []byte(dockerClusterYaml), 0644)) | ||
|
|
||
| s.ctx, _ = util.NewSuiteContext(s.T()) | ||
| } | ||
|
|
||
| func (s *CAPIControlPlaneDockerSuite) TestCAPIControlPlaneDockerWorker() { | ||
|
|
||
| // Apply the child cluster objects | ||
| s.applyClusterObjects() | ||
| defer func() { | ||
| keep := os.Getenv("KEEP_AFTER_TEST") | ||
| if keep == "true" { | ||
| return | ||
| } | ||
| if keep == "on-failure" && s.T().Failed() { | ||
| return | ||
| } | ||
| s.T().Log("Deleting cluster objects") | ||
| s.deleteCluster() | ||
| }() | ||
| s.T().Log("cluster objects applied, waiting for cluster to be ready") | ||
|
|
||
| var localPort int | ||
| // nolint:staticcheck | ||
| err := wait.PollImmediateUntilWithContext(s.ctx, 1*time.Second, func(ctx context.Context) (bool, error) { | ||
| localPort, _ = getLBPort("docker-test-cluster-lb") | ||
| return localPort > 0, nil | ||
| }) | ||
| s.Require().NoError(err) | ||
|
|
||
| s.T().Log("waiting to see admin kubeconfig secret") | ||
| kmcKC, err := util.GetKMCClientSet(s.ctx, s.client, "docker-test-cluster", "default", localPort) | ||
| s.Require().NoError(err) | ||
|
|
||
| // nolint:staticcheck | ||
| err = wait.PollImmediateUntilWithContext(s.ctx, 1*time.Second, func(ctx context.Context) (bool, error) { | ||
| b, _ := s.client.RESTClient(). | ||
| Get(). | ||
| AbsPath("/healthz"). | ||
| DoRaw(context.Background()) | ||
|
|
||
| return string(b) == "ok", nil | ||
| }) | ||
| s.Require().NoError(err) | ||
|
|
||
| // nolint:staticcheck | ||
| err = wait.PollImmediateUntilWithContext(s.ctx, 1*time.Second, func(ctx context.Context) (bool, error) { | ||
| output, err := exec.Command("docker", "exec", "docker-test-cluster-docker-test-0", "k0s", "status").Output() | ||
| if err != nil { | ||
| return false, nil | ||
| } | ||
|
|
||
| return strings.Contains(string(output), "Version:"), nil | ||
| }) | ||
| s.Require().NoError(err) | ||
|
|
||
| s.T().Log("waiting for node to be ready") | ||
| s.Require().NoError(k0stestutil.WaitForNodeReadyStatus(s.ctx, kmcKC, "docker-test-cluster-docker-test-0", corev1.ConditionTrue)) | ||
| } | ||
|
|
||
| func (s *CAPIControlPlaneDockerSuite) applyClusterObjects() { | ||
| // Exec via kubectl | ||
| out, err := exec.Command("kubectl", "apply", "-f", s.clusterYamlsPath).CombinedOutput() | ||
| s.Require().NoError(err, "failed to apply cluster objects: %s", string(out)) | ||
| } | ||
|
|
||
| func (s *CAPIControlPlaneDockerSuite) deleteCluster() { | ||
| // Exec via kubectl | ||
| out, err := exec.Command("kubectl", "delete", "-f", s.clusterYamlsPath).CombinedOutput() | ||
| s.Require().NoError(err, "failed to delete cluster objects: %s", string(out)) | ||
| } | ||
|
|
||
| func getLBPort(name string) (int, error) { | ||
| b, err := exec.Command("docker", "inspect", name, "--format", "{{json .NetworkSettings.Ports}}").Output() | ||
| if err != nil { | ||
| return 0, fmt.Errorf("failed to get inspect info from container %s: %w", name, err) | ||
| } | ||
|
|
||
| var ports map[string][]map[string]string | ||
| err = json.Unmarshal(b, &ports) | ||
| if err != nil { | ||
| return 0, fmt.Errorf("failed to unmarshal inspect info from container %s: %w", name, err) | ||
| } | ||
|
|
||
| return strconv.Atoi(ports["6443/tcp"][0]["HostPort"]) | ||
| } | ||
|
|
||
| var dockerClusterYaml = ` | ||
| apiVersion: cluster.x-k8s.io/v1beta1 | ||
| kind: Cluster | ||
| metadata: | ||
| name: docker-test-cluster | ||
| namespace: default | ||
| spec: | ||
| clusterNetwork: | ||
| pods: | ||
| cidrBlocks: | ||
| - 192.168.0.0/16 | ||
| serviceDomain: cluster.local | ||
| services: | ||
| cidrBlocks: | ||
| - 10.128.0.0/12 | ||
| controlPlaneRef: | ||
| apiVersion: controlplane.cluster.x-k8s.io/v1beta1 | ||
| kind: K0sControlPlane | ||
| name: docker-test | ||
| infrastructureRef: | ||
| apiVersion: infrastructure.cluster.x-k8s.io/v1beta1 | ||
| kind: DockerCluster | ||
| name: docker-test | ||
| --- | ||
| apiVersion: infrastructure.cluster.x-k8s.io/v1beta1 | ||
| kind: DockerMachineTemplate | ||
| metadata: | ||
| name: docker-test-cp-template | ||
| namespace: default | ||
| spec: | ||
| template: | ||
| spec: {} | ||
| --- | ||
| apiVersion: controlplane.cluster.x-k8s.io/v1beta1 | ||
| kind: K0sControlPlane | ||
| metadata: | ||
| name: docker-test | ||
| spec: | ||
| replicas: 1 | ||
| k0sConfigSpec: | ||
| k0s: | ||
| apiVersion: k0s.k0sproject.io/v1beta1 | ||
| kind: ClusterConfig | ||
| metadata: | ||
| name: k0s | ||
| spec: | ||
| api: | ||
| extraArgs: | ||
| anonymous-auth: "true" | ||
| telemetry: | ||
| enabled: false | ||
| args: | ||
| - --enable-worker | ||
| - --no-taints | ||
| machineTemplate: | ||
| infrastructureRef: | ||
| apiVersion: infrastructure.cluster.x-k8s.io/v1beta1 | ||
| kind: DockerMachineTemplate | ||
| name: docker-test-cp-template | ||
| namespace: default | ||
| --- | ||
| apiVersion: infrastructure.cluster.x-k8s.io/v1beta1 | ||
| kind: DockerCluster | ||
| metadata: | ||
| name: docker-test | ||
| namespace: default | ||
| spec: | ||
| ` |