mirror of
https://github.com/ceph/ceph-csi.git
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ce603fb47e
Also vendor all dependencies. Signed-off-by: Niels de Vos <ndevos@ibm.com>
197 lines
5.2 KiB
Go
197 lines
5.2 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// Package runtime defines conversions between generic types and structs to map query strings
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// to struct objects.
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package runtime
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import (
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"fmt"
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"reflect"
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"strconv"
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"strings"
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"k8s.io/apimachinery/pkg/conversion"
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)
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// DefaultMetaV1FieldSelectorConversion auto-accepts metav1 values for name and namespace.
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// A cluster scoped resource specifying namespace empty works fine and specifying a particular
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// namespace will return no results, as expected.
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func DefaultMetaV1FieldSelectorConversion(label, value string) (string, string, error) {
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switch label {
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case "metadata.name":
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return label, value, nil
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case "metadata.namespace":
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return label, value, nil
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default:
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return "", "", fmt.Errorf("%q is not a known field selector: only %q, %q", label, "metadata.name", "metadata.namespace")
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}
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}
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// JSONKeyMapper uses the struct tags on a conversion to determine the key value for
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// the other side. Use when mapping from a map[string]* to a struct or vice versa.
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func JSONKeyMapper(key string, sourceTag, destTag reflect.StructTag) (string, string) {
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if s := destTag.Get("json"); len(s) > 0 {
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return strings.SplitN(s, ",", 2)[0], key
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}
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if s := sourceTag.Get("json"); len(s) > 0 {
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return key, strings.SplitN(s, ",", 2)[0]
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}
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return key, key
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}
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func Convert_Slice_string_To_string(in *[]string, out *string, s conversion.Scope) error {
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if len(*in) == 0 {
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*out = ""
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return nil
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}
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*out = (*in)[0]
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return nil
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}
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func Convert_Slice_string_To_int(in *[]string, out *int, s conversion.Scope) error {
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if len(*in) == 0 {
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*out = 0
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return nil
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}
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str := (*in)[0]
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i, err := strconv.Atoi(str)
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if err != nil {
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return err
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}
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*out = i
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return nil
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}
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// Convert_Slice_string_To_bool will convert a string parameter to boolean.
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// Only the absence of a value (i.e. zero-length slice), a value of "false", or a
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// value of "0" resolve to false.
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// Any other value (including empty string) resolves to true.
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func Convert_Slice_string_To_bool(in *[]string, out *bool, s conversion.Scope) error {
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if len(*in) == 0 {
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*out = false
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return nil
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}
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switch {
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case (*in)[0] == "0", strings.EqualFold((*in)[0], "false"):
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*out = false
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default:
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*out = true
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}
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return nil
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}
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// Convert_Slice_string_To_bool will convert a string parameter to boolean.
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// Only the absence of a value (i.e. zero-length slice), a value of "false", or a
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// value of "0" resolve to false.
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// Any other value (including empty string) resolves to true.
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func Convert_Slice_string_To_Pointer_bool(in *[]string, out **bool, s conversion.Scope) error {
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if len(*in) == 0 {
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boolVar := false
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*out = &boolVar
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return nil
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}
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switch {
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case (*in)[0] == "0", strings.EqualFold((*in)[0], "false"):
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boolVar := false
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*out = &boolVar
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default:
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boolVar := true
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*out = &boolVar
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}
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return nil
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}
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func string_to_int64(in string) (int64, error) {
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return strconv.ParseInt(in, 10, 64)
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}
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func Convert_string_To_int64(in *string, out *int64, s conversion.Scope) error {
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if in == nil {
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*out = 0
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return nil
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}
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i, err := string_to_int64(*in)
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if err != nil {
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return err
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}
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*out = i
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return nil
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}
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func Convert_Slice_string_To_int64(in *[]string, out *int64, s conversion.Scope) error {
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if len(*in) == 0 {
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*out = 0
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return nil
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}
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i, err := string_to_int64((*in)[0])
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if err != nil {
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return err
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}
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*out = i
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return nil
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}
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func Convert_string_To_Pointer_int64(in *string, out **int64, s conversion.Scope) error {
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if in == nil {
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*out = nil
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return nil
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}
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i, err := string_to_int64(*in)
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if err != nil {
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return err
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}
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*out = &i
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return nil
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}
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func Convert_Slice_string_To_Pointer_int64(in *[]string, out **int64, s conversion.Scope) error {
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if len(*in) == 0 {
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*out = nil
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return nil
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}
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i, err := string_to_int64((*in)[0])
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if err != nil {
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return err
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}
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*out = &i
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return nil
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}
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func RegisterStringConversions(s *Scheme) error {
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if err := s.AddConversionFunc((*[]string)(nil), (*string)(nil), func(a, b interface{}, scope conversion.Scope) error {
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return Convert_Slice_string_To_string(a.(*[]string), b.(*string), scope)
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}); err != nil {
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return err
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}
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if err := s.AddConversionFunc((*[]string)(nil), (*int)(nil), func(a, b interface{}, scope conversion.Scope) error {
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return Convert_Slice_string_To_int(a.(*[]string), b.(*int), scope)
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}); err != nil {
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return err
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}
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if err := s.AddConversionFunc((*[]string)(nil), (*bool)(nil), func(a, b interface{}, scope conversion.Scope) error {
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return Convert_Slice_string_To_bool(a.(*[]string), b.(*bool), scope)
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}); err != nil {
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return err
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}
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if err := s.AddConversionFunc((*[]string)(nil), (*int64)(nil), func(a, b interface{}, scope conversion.Scope) error {
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return Convert_Slice_string_To_int64(a.(*[]string), b.(*int64), scope)
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}); err != nil {
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return err
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}
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return nil
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}
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