Allow to use existing k8s cluster instead of minikube #442
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| package externalclusterprovisioner | ||
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| import ( | ||
| "io/ioutil" | ||
| "os" | ||
| "fmt" | ||
| ) | ||
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| // Represents an actual external cluster being used, should not be able to | ||
| // actually delete or create, but can point to actual kubeconfig file. | ||
| type externalCluster struct { | ||
| kubeconfigPath string | ||
| kubeconfigFile string | ||
| } | ||
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| func NewExternalCluster(kubeconfigPath string) (*externalCluster, error) { | ||
| if _, err := os.Stat(kubeconfigPath); os.IsNotExist(err) { | ||
| return nil, fmt.Errorf("file at %s does not exist", kubeconfigPath) | ||
| } | ||
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| return &externalCluster{kubeconfigPath:kubeconfigPath}, nil | ||
| } | ||
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| func (e *externalCluster) Create() error { | ||
| // noop | ||
| return nil | ||
| } | ||
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| func (e *externalCluster) Delete() error { | ||
| // noop | ||
| return nil | ||
| } | ||
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| func (e *externalCluster) GetKubeconfig() (string, error) { | ||
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| if e.kubeconfigFile == "" { | ||
| b, err := ioutil.ReadFile(e.kubeconfigPath) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
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| e.kubeconfigFile = string(b) | ||
| } | ||
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| return e.kubeconfigFile, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| package externalclusterprovisioner | ||
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| import ( | ||
| "testing" | ||
| "os" | ||
| "io/ioutil" | ||
| ) | ||
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| func TestGetKubeconfig(t *testing.T) { | ||
| const contents = "dfserfafaew" | ||
| f, err := createTempFile(contents) | ||
| if err != nil { | ||
| t.Fatal("Unable to create test file.") | ||
| } | ||
| defer os.Remove(f) | ||
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| t.Run("invalid path given", func(t *testing.T){ | ||
| _, err = NewExternalCluster("") | ||
| if err == nil { | ||
| t.Fatal("Should not be able create External Cluster Provisioner.") | ||
| } | ||
| }) | ||
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| t.Run("file exists", func(t *testing.T) { | ||
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| ec, err := NewExternalCluster(f) | ||
| if err != nil { | ||
| t.Fatal("Should be able create External Cluster Provisioner.") | ||
| } | ||
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| c, err := ec.GetKubeconfig() | ||
| if err != nil { | ||
| t.Fatalf("Unexpected err. Got: %v", err) | ||
| return | ||
| } | ||
| if c != contents { | ||
| t.Fatalf("Unexpected contents. Got: %v, Want: %v", c, contents) | ||
| } | ||
| }) | ||
| } | ||
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| func createTempFile(contents string) (string, error) { | ||
| f, err := ioutil.TempFile("", "") | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| defer f.Close() | ||
| f.WriteString(contents) | ||
| return f.Name(), nil | ||
| } |
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Typo, should be externalProvider