89 lines
2.4 KiB
Go
89 lines
2.4 KiB
Go
/*
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Copyright 2021 The cert-manager 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 configfile
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import (
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"fmt"
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"k8s.io/apimachinery/pkg/runtime/serializer"
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config "github.com/cert-manager/cert-manager/internal/apis/config/webhook"
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"github.com/cert-manager/cert-manager/internal/apis/config/webhook/scheme"
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)
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type WebhookConfigFile struct {
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Config *config.WebhookConfiguration
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}
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func New() *WebhookConfigFile {
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return &WebhookConfigFile{
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Config: &config.WebhookConfiguration{},
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}
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}
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func decodeConfiguration(data []byte) (*config.WebhookConfiguration, error) {
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_, codec, err := scheme.NewSchemeAndCodecs(serializer.EnableStrict)
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if err != nil {
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return nil, err
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}
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obj, _, err := codec.UniversalDecoder().Decode(data, nil, nil)
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if err != nil {
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return nil, fmt.Errorf("failed to decode: %w", err)
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}
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c, ok := obj.(*config.WebhookConfiguration)
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if !ok {
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return nil, fmt.Errorf("failed to cast object to WebhookConfiguration, unexpected type")
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}
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return c, nil
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}
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func (cfg *WebhookConfigFile) DecodeAndConfigure(data []byte) error {
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config, err := decodeConfiguration(data)
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if err != nil {
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return err
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}
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cfg.Config = config
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return nil
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}
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func (cfg *WebhookConfigFile) GetPathRefs() ([]*string, error) {
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paths, err := WebhookConfigurationPathRefs(cfg.Config)
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if err != nil {
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return nil, err
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}
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return paths, err
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}
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// webhookConfigurationPathRefs returns pointers to all the WebhookConfiguration fields that contain filepaths.
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// You might use this, for example, to resolve all relative paths against some common root before
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// passing the configuration to the application. This method must be kept up to date as new fields are added.
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func WebhookConfigurationPathRefs(cfg *config.WebhookConfiguration) ([]*string, error) {
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return []*string{
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&cfg.TLSConfig.Filesystem.KeyFile,
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&cfg.TLSConfig.Filesystem.CertFile,
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&cfg.MetricsTLSConfig.Filesystem.KeyFile,
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&cfg.MetricsTLSConfig.Filesystem.CertFile,
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&cfg.KubeConfig,
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}, nil
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}
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