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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| // Package kind provides function for creating and managing kind clusters. | ||
| package kind | ||
|
|
||
| import ( | ||
| "context" | ||
| "os" | ||
|
|
||
| "sigs.k8s.io/kind/pkg/cluster" | ||
| "sigs.k8s.io/kind/pkg/cmd" | ||
| ) | ||
|
|
||
| type Cluster struct { | ||
| provider *cluster.Provider | ||
| kubeconfigFilePath string | ||
| name string | ||
| } | ||
|
|
||
| const defaultClusterName = "kind" | ||
|
|
||
| // CreateCluster creates a new kind cluster with the given name. | ||
| func CreateCluster(ctx context.Context, name string) (*Cluster, error) { | ||
| select { | ||
| case <-ctx.Done(): | ||
| return nil, ctx.Err() | ||
| default: | ||
| } | ||
|
|
||
| kubeconfigFile, err := os.CreateTemp("", "*-kubeconfig") | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| provider := cluster.NewProvider(cluster.ProviderWithLogger(cmd.NewLogger())) | ||
| if name == "" { | ||
| name = defaultClusterName | ||
| } | ||
| err = provider.Create(name, cluster.CreateWithKubeconfigPath(kubeconfigFile.Name())) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| // ExportKubeConfig exports the kubeconfig for the cluster with the given name to the standard output or a file. | ||
| // This makes it easy for other applications, such as fluxcd, to work with the cluster. | ||
| err = provider.ExportKubeConfig(name, "", false) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return &Cluster{ | ||
| provider: provider, | ||
| kubeconfigFilePath: kubeconfigFile.Name(), | ||
| name: name, | ||
| }, nil | ||
| } | ||
|
|
||
| // Delete deletes the cluster and the temporary kubeconfig file. | ||
| func (c *Cluster) Delete(ctx context.Context, name string) error { | ||
| select { | ||
| case <-ctx.Done(): | ||
| return ctx.Err() | ||
| default: | ||
| } | ||
|
|
||
| err := c.provider.Delete(c.name, c.kubeconfigFilePath) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return os.Remove(c.kubeconfigFilePath) | ||
| } | ||
|
|
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| func (c *Cluster) KubeconfigFilePath() string { | ||
| return c.kubeconfigFilePath | ||
| } | ||
|
|
||
| func (c *Cluster) Name() string { | ||
| return c.name | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| package kind | ||
|
|
||
| import ( | ||
| "context" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| func TestCreateCluster(t *testing.T) { | ||
| ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute) | ||
| defer cancel() | ||
|
|
||
| // create a test cluster name | ||
| name := "test-cluster" | ||
| cluster, err := CreateCluster(ctx, name) | ||
|
|
||
| // assert that there is no error and the cluster is not nil | ||
| assert.NoError(t, err) | ||
| assert.NotNil(t, cluster) | ||
|
|
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| // assert that the cluster has the expected name and kubeconfig file path | ||
| assert.Equal(t, name, cluster.Name()) | ||
| assert.NotEmpty(t, cluster.KubeconfigFilePath()) | ||
|
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| // delete the cluster | ||
| err = cluster.Delete(ctx, name) | ||
| assert.NoError(t, err) | ||
| } |