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Signed-off-by: Chuck Ha <chuckh@vmware.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /* | ||
| 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 cloudinit | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
|
|
||
| "github.com/pkg/errors" | ||
| "sigs.k8s.io/kind/pkg/exec" | ||
| ) | ||
|
|
||
| type unknown struct { | ||
| module string | ||
| lines []string | ||
| } | ||
|
|
||
| func newUnknown(module string) action { | ||
| return &unknown{module: module} | ||
| } | ||
|
|
||
| // Unmarshal will unmarshall unknown actions and slurp the value | ||
| func (u *unknown) Unmarshal(data []byte) error { | ||
| // try unmarshalling to a slice of strings | ||
| var s1 []string | ||
| if err := json.Unmarshal(data, &s1); err != nil { | ||
| if _, ok := err.(*json.UnmarshalTypeError); !ok { | ||
| return errors.WithStack(err) | ||
| } | ||
| } else { | ||
| u.lines = s1 | ||
| return nil | ||
| } | ||
|
|
||
| // If it's not a slice of strings it should be one string value | ||
| var s2 string | ||
| if err := json.Unmarshal(data, &s2); err != nil { | ||
| return errors.WithStack(err) | ||
| } | ||
|
|
||
| u.lines = []string{s2} | ||
| return nil | ||
| } | ||
|
|
||
| // Run will do nothing since the cloud config module is unknown. | ||
| func (u *unknown) Run(_ exec.Cmder) ([]string, error) { | ||
| return u.lines, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| /* | ||
| 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 cloudinit | ||
|
|
||
| import ( | ||
| "reflect" | ||
| "testing" | ||
| ) | ||
|
|
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| func TestUnknown_Run(t *testing.T) { | ||
| u := &unknown{ | ||
| lines: []string{}, | ||
| } | ||
| lines, err := u.Run(nil) | ||
| if err != nil { | ||
| t.Fatal("err should always be nil") | ||
| } | ||
| if len(lines) != 0 { | ||
| t.Fatalf("return exactly what was parsed. did not expect anything here but got: %v", lines) | ||
| } | ||
| } | ||
|
|
||
| func TestUnknown_Unmarshal(t *testing.T) { | ||
| u := &unknown{} | ||
| expected := []string{"test 1", "test 2", "test 3"} | ||
| input := `["test 1", "test 2", "test 3"]` | ||
| if err := u.Unmarshal([]byte(input)); err != nil { | ||
| t.Fatalf("should not return an error but got: %v", err) | ||
| } | ||
| if len(u.lines) != len(expected) { | ||
| t.Fatalf("expected exactly %v lines but got %v", 3, u.lines) | ||
| } | ||
| if !reflect.DeepEqual(u.lines, expected) { | ||
| t.Fatalf("lines should be %v but it is %v", expected, u.lines) | ||
| } | ||
| } |
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