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Merge pull request #244 from chuckha/watch-dockercluster
✨ Watch dockercluster
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| /* | ||
| Copyright 2019 The Kubernetes 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 | ||
| 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 controllers | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| v1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/klog" | ||
| "k8s.io/klog/klogr" | ||
| infrav1 "sigs.k8s.io/cluster-api-provider-docker/api/v1alpha2" | ||
| clusterv1 "sigs.k8s.io/cluster-api/api/v1alpha2" | ||
| "sigs.k8s.io/controller-runtime/pkg/client/fake" | ||
| "sigs.k8s.io/controller-runtime/pkg/handler" | ||
| ) | ||
|
|
||
| func init() { | ||
| klog.InitFlags(nil) | ||
| } | ||
|
|
||
| func setupScheme() *runtime.Scheme { | ||
| s := runtime.NewScheme() | ||
| if err := clusterv1.AddToScheme(s); err != nil { | ||
| panic(err) | ||
| } | ||
| if err := infrav1.AddToScheme(s); err != nil { | ||
| panic(err) | ||
| } | ||
| return s | ||
| } | ||
|
|
||
| func TestDockerMachineReconciler_DockerClusterToDockerMachines(t *testing.T) { | ||
| clusterName := "my-cluster" | ||
| dockerCluster := newDockerCluster(clusterName, "my-docker-cluster") | ||
| dockerMachine1 := newDockerMachine("my-docker-machine-0") | ||
| dockerMachine2 := newDockerMachine("my-docker-machine-1") | ||
| objects := []runtime.Object{ | ||
| newCluster(clusterName), | ||
| dockerCluster, | ||
| newMachine(clusterName, "my-machine-0", dockerMachine1), | ||
| newMachine(clusterName, "my-machine-1", dockerMachine2), | ||
| // Intentionally omitted | ||
| newMachine(clusterName, "my-machine-2", nil), | ||
| } | ||
| c := fake.NewFakeClientWithScheme(setupScheme(), objects...) | ||
| r := DockerMachineReconciler{ | ||
| Client: c, | ||
| Log: klogr.New(), | ||
| } | ||
| mo := handler.MapObject{ | ||
| Object: dockerCluster, | ||
| } | ||
| out := r.DockerClusterToDockerMachines(mo) | ||
| machineNames := make([]string, len(out)) | ||
| for i := range out { | ||
| machineNames[i] = out[i].Name | ||
| } | ||
| if len(out) != 2 { | ||
| t.Fatal("expected 2 docker machines to reconcile but got", len(out)) | ||
| } | ||
| for _, expectedName := range []string{"my-machine-0", "my-machine-1"} { | ||
| if !contains(machineNames, expectedName) { | ||
| t.Fatalf("expected %q in slice %v", expectedName, machineNames) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func contains(haystack []string, needle string) bool { | ||
| for _, straw := range haystack { | ||
| if straw == needle { | ||
| return true | ||
| } | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func newCluster(clusterName string) *clusterv1.Cluster { | ||
| return &clusterv1.Cluster{ | ||
| TypeMeta: metav1.TypeMeta{}, | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: clusterName, | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| func newDockerCluster(clusterName, dockerName string) *infrav1.DockerCluster { | ||
| return &infrav1.DockerCluster{ | ||
| TypeMeta: metav1.TypeMeta{}, | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: dockerName, | ||
| OwnerReferences: []metav1.OwnerReference{ | ||
| { | ||
| APIVersion: clusterv1.GroupVersion.String(), | ||
| Kind: "Cluster", | ||
| Name: clusterName, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| func newMachine(clusterName, machineName string, dockerMachine *infrav1.DockerMachine) *clusterv1.Machine { | ||
| machine := &clusterv1.Machine{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: machineName, | ||
| Labels: map[string]string{ | ||
| clusterv1.MachineClusterLabelName: clusterName, | ||
| }, | ||
| }, | ||
| } | ||
| if dockerMachine != nil { | ||
| machine.Spec.InfrastructureRef = v1.ObjectReference{ | ||
| Name: dockerMachine.Name, | ||
| Namespace: dockerMachine.Namespace, | ||
| Kind: dockerMachine.Kind, | ||
| APIVersion: dockerMachine.GroupVersionKind().GroupVersion().String(), | ||
| } | ||
| } | ||
| return machine | ||
| } | ||
|
|
||
| func newDockerMachine(name string) *infrav1.DockerMachine { | ||
| return &infrav1.DockerMachine{ | ||
| TypeMeta: metav1.TypeMeta{}, | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: name, | ||
| }, | ||
| Spec: infrav1.DockerMachineSpec{}, | ||
| Status: infrav1.DockerMachineStatus{}, | ||
| } | ||
| } |
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