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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| package process | ||
|
|
||
| import ( | ||
| "os" | ||
|
|
||
| "github.com/GoogleContainerTools/kpt-functions-sdk/go/fn" | ||
| "kcl-lang.io/krm-kcl/pkg/config" | ||
| "kcl-lang.io/krm-kcl/pkg/kube" | ||
| ) | ||
|
|
||
| func init() { | ||
| // Set the fast eval mode for KCL | ||
| os.Setenv("KCL_FAST_EVAL", "1") | ||
| } | ||
|
|
||
| // Process is a function that takes a pointer to a ResourceList and processes | ||
| // it using the KCL function. It returns a boolean indicating whether the | ||
| // processing was successful, and an error (if any). | ||
| func Process(resourceList *fn.ResourceList) (bool, error) { | ||
| resourceListYAML, err := resourceList.ToYAML() | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
| res, err := kube.ParseResourceList(resourceListYAML) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
| err = func() error { | ||
| r := &config.KCLRun{} | ||
| if err := r.Config(res.FunctionConfig); err != nil { | ||
| return err | ||
| } | ||
| return r.TransformResourceList(res) | ||
| }() | ||
| if err != nil { | ||
| resourceList.Results = []*fn.Result{ | ||
| { | ||
| Message: err.Error(), | ||
| Severity: fn.Error, | ||
| }, | ||
| } | ||
| return false, nil | ||
| } | ||
| processedItems, err := fn.ParseKubeObjects([]byte(res.Items.MustString())) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
| resourceList.Items = processedItems | ||
| return true, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| package process | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| "github.com/GoogleContainerTools/kpt-functions-sdk/go/fn" | ||
| "sigs.k8s.io/kustomize/kyaml/yaml" | ||
| ) | ||
|
|
||
| func TestProcess(t *testing.T) { | ||
| p := fn.ResourceListProcessorFunc(Process) | ||
| input := `kind: ResourceList | ||
| items: | ||
| - apiVersion: apps/v1 | ||
| kind: Deployment | ||
| spec: | ||
| replicas: '2' | ||
| - kind: Service | ||
| functionConfig: | ||
| apiVersion: krm.kcl.dev/v1alpha1 | ||
| kind: KCLRun | ||
| metadata: | ||
| name: conditionally-add-annotations | ||
| spec: | ||
| params: | ||
| replicas: "5" | ||
| source: | | ||
| params = option("params") | ||
| replicas = params.replicas | ||
| setReplicas = lambda items, replicas { | ||
| [item | {if item.kind == "Deployment": spec.replicas = replicas} for item in items] | ||
| } | ||
| items = setReplicas(option("items"), replicas) | ||
| ` | ||
| expected := `apiVersion: config.kubernetes.io/v1 | ||
| kind: ResourceList | ||
| items: | ||
| - kind: Service | ||
| - apiVersion: apps/v1 | ||
| kind: Deployment | ||
| spec: | ||
| replicas: '5' | ||
| functionConfig: | ||
| apiVersion: krm.kcl.dev/v1alpha1 | ||
| kind: KCLRun | ||
| metadata: | ||
| name: conditionally-add-annotations | ||
| spec: | ||
| params: | ||
| replicas: "5" | ||
| source: | | ||
| params = option("params") | ||
| replicas = params.replicas | ||
| setReplicas = lambda items, replicas { | ||
| [item | {if item.kind == "Deployment": spec.replicas = replicas} for item in items] | ||
| } | ||
| items = setReplicas(option("items"), replicas) | ||
| ` | ||
| output, err := fn.Run(p, []byte(input)) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| expectedYaml, err := yaml.Parse(expected) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| outputYaml, err := yaml.Parse(string(output)) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| expectedYamlString := expectedYaml.MustString() | ||
| outputYamlString := outputYaml.MustString() | ||
| if expectedYamlString != outputYamlString { | ||
| t.Errorf("test failed, expected %s got %s", expectedYamlString, outputYamlString) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -17,7 +17,7 @@ metadata: | |
| labels: | ||
| app: nginx | ||
| spec: | ||
| replicas: 6 | ||
| replicas: 2 | ||
| selector: | ||
| matchLabels: | ||
| app: nginx | ||
|
|
||