mirror of https://github.com/kubernetes/kops.git
93 lines
1.9 KiB
Go
93 lines
1.9 KiB
Go
package kubemanifest
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import (
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"fmt"
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"github.com/golang/glog"
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"strings"
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)
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type visitorBase struct {
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}
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func (m *visitorBase) VisitString(path []string, v string, mutator func(string)) error {
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glog.Infof("string value at %s: %s", strings.Join(path, "."), v)
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return nil
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}
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func (m *visitorBase) VisitBool(path []string, v bool, mutator func(bool)) error {
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glog.Infof("string value at %s: %s", strings.Join(path, "."), v)
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return nil
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}
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func (m *visitorBase) VisitFloat64(path []string, v float64, mutator func(float64)) error {
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glog.Infof("float64 value at %s: %s", strings.Join(path, "."), v)
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return nil
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}
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type Visitor interface {
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VisitBool(path []string, v bool, mutator func(bool)) error
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VisitString(path []string, v string, mutator func(string)) error
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VisitFloat64(path []string, v float64, mutator func(float64)) error
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}
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func visit(visitor Visitor, data interface{}, path []string, mutator func(interface{})) error {
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switch data.(type) {
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case string:
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err := visitor.VisitString(path, data.(string), func(v string) {
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mutator(v)
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})
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if err != nil {
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return err
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}
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case bool:
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err := visitor.VisitBool(path, data.(bool), func(v bool) {
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mutator(v)
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})
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if err != nil {
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return err
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}
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case float64:
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err := visitor.VisitFloat64(path, data.(float64), func(v float64) {
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mutator(v)
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})
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if err != nil {
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return err
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}
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case map[string]interface{}:
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m := data.(map[string]interface{})
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for k, v := range m {
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path = append(path, k)
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err := visit(visitor, v, path, func(v interface{}) {
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m[k] = v
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})
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if err != nil {
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return err
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}
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path = path[:len(path)-1]
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}
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case []interface{}:
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s := data.([]interface{})
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for i, v := range s {
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path = append(path, fmt.Sprintf("[%d]", i))
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err := visit(visitor, v, path, func(v interface{}) {
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s[i] = v
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})
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if err != nil {
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return err
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}
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path = path[:len(path)-1]
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}
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default:
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return fmt.Errorf("unhandled type in manifest: %T", data)
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}
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return nil
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}
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