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feat: add KCL based customized health check
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| package kcl | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| "kcl-lang.io/kcl-go/pkg/kcl" | ||
| "kcl-lang.io/kcl-go/pkg/tools/format" | ||
| v1 "kusionstack.io/kusion/pkg/apis/api.kusion.io/v1" | ||
| ) | ||
|
|
||
| const ref = "res" | ||
|
|
||
| // Assemble and format the whole KCL code with yaml integration. | ||
| func assembleKCLHealthCheck(healthPolicyCode string, resource []byte) (string, error) { | ||
| yamlStr := fmt.Sprintf(` | ||
| import yaml | ||
| %s = yaml.decode(%q) | ||
| `, ref, resource) | ||
| kclCode := yamlStr + healthPolicyCode | ||
| kclFormatted, err := format.FormatCode(kclCode) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| return string(kclFormatted), nil | ||
| } | ||
|
|
||
| // Run health check with KCL health policy during apply. | ||
| func RunKCLHealthCheck(healthPolicyCode string, resource []byte) error { | ||
| kclCode, err := assembleKCLHealthCheck(healthPolicyCode, resource) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| _, err = kcl.Run("", kcl.WithCode(kclCode)) | ||
| return err | ||
| } | ||
|
|
||
| // Get KCL code from extensions of the resource in Spec. | ||
| func ConvertKCLCode(healthPolicy interface{}) (string, bool) { | ||
| if hp, ok := healthPolicy.(v1.GenericConfig); ok { | ||
| if code, ok := hp[v1.FieldKCLHealthCheckKCL].(string); ok { | ||
| return code, true | ||
| } | ||
| } | ||
| return "", false | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| package kcl | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| v1 "kusionstack.io/kusion/pkg/apis/api.kusion.io/v1" | ||
| ) | ||
|
|
||
| func TestAssembleKCLHealthCheck(t *testing.T) { | ||
| tests := []struct { | ||
| name string | ||
| hpCode string | ||
| resource []byte | ||
| want string | ||
| expectError bool | ||
| }{ | ||
| { | ||
| name: "Valid input", | ||
| hpCode: "assert res.a == res.b", | ||
| resource: []byte("this is resource"), | ||
| want: "import yaml\n\nres = yaml.decode(\"this is resource\")\nassert res.a == res.b\n", | ||
| expectError: false, | ||
| }, | ||
| } | ||
|
|
||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| got, err := assembleKCLHealthCheck(tt.hpCode, tt.resource) | ||
| if (err != nil) != tt.expectError { | ||
| t.Errorf("assembleKCLHealthCheck() error = %v, expectError %v", err, tt.expectError) | ||
| return | ||
| } | ||
| if got != tt.want { | ||
| t.Errorf("assembleKCLHealthCheck() got = %v, want %v", got, tt.want) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func TestRunKCLHealthCheck(t *testing.T) { | ||
| tests := []struct { | ||
| name string | ||
| hpCode string | ||
| resource []byte | ||
| expectError bool | ||
| }{ | ||
| { | ||
| name: "Valid input", | ||
| hpCode: "a = \"this is health policy\"", | ||
| resource: []byte("this is resource"), | ||
| expectError: false, | ||
| }, | ||
| // Add more test cases if needed | ||
| } | ||
|
|
||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| err := RunKCLHealthCheck(tt.hpCode, tt.resource) | ||
| if (err != nil) != tt.expectError { | ||
| t.Errorf("RunKCLHealthCheck() error = %v, expectError %v", err, tt.expectError) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func TestConvertKCLCode(t *testing.T) { | ||
| tests := []struct { | ||
| name string | ||
| healthPolicy interface{} | ||
| want string | ||
| expectOk bool | ||
| }{ | ||
| { | ||
| name: "Valid KCL code in health policy", | ||
| healthPolicy: v1.GenericConfig{ | ||
| v1.FieldKCLHealthCheckKCL: "assert res.a == res.b", | ||
| }, | ||
| want: "assert res.a == res.b", | ||
| expectOk: true, | ||
| }, | ||
| { | ||
| name: "No KCL code in health policy", | ||
| healthPolicy: v1.GenericConfig{ | ||
| "other_field": "other_value", | ||
| }, | ||
| want: "", | ||
| expectOk: false, | ||
| }, | ||
| } | ||
|
|
||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| got, ok := ConvertKCLCode(tt.healthPolicy) | ||
| if got != tt.want { | ||
| t.Errorf("ConvertKCLCode() got = %v, want %v", got, tt.want) | ||
| } | ||
| if ok != tt.expectOk { | ||
| t.Errorf("ConvertKCLCode() ok = %v, expectOk %v", ok, tt.expectOk) | ||
| } | ||
| }) | ||
| } | ||
| } |