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e8381db778
* Update Kubernetes to v1.21.0 * Update to golang v1.16.2 * Update dependent modules to track with upstream * Switch to upstream flannel * Track changes to upstream cloud-controller-manager and FeatureGates Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
59 lines
2.3 KiB
Go
59 lines
2.3 KiB
Go
/*
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Copyright 2018 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 secrets
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import (
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"encoding/json"
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v1 "k8s.io/api/core/v1"
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"k8s.io/kubernetes/pkg/credentialprovider"
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)
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// MakeDockerKeyring inspects the passedSecrets to see if they contain any DockerConfig secrets. If they do,
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// then a DockerKeyring is built based on every hit and unioned with the defaultKeyring.
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// If they do not, then the default keyring is returned
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func MakeDockerKeyring(passedSecrets []v1.Secret, defaultKeyring credentialprovider.DockerKeyring) (credentialprovider.DockerKeyring, error) {
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passedCredentials := []credentialprovider.DockerConfig{}
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for _, passedSecret := range passedSecrets {
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if dockerConfigJSONBytes, dockerConfigJSONExists := passedSecret.Data[v1.DockerConfigJsonKey]; (passedSecret.Type == v1.SecretTypeDockerConfigJson) && dockerConfigJSONExists && (len(dockerConfigJSONBytes) > 0) {
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dockerConfigJSON := credentialprovider.DockerConfigJSON{}
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if err := json.Unmarshal(dockerConfigJSONBytes, &dockerConfigJSON); err != nil {
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return nil, err
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}
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passedCredentials = append(passedCredentials, dockerConfigJSON.Auths)
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} else if dockercfgBytes, dockercfgExists := passedSecret.Data[v1.DockerConfigKey]; (passedSecret.Type == v1.SecretTypeDockercfg) && dockercfgExists && (len(dockercfgBytes) > 0) {
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dockercfg := credentialprovider.DockerConfig{}
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if err := json.Unmarshal(dockercfgBytes, &dockercfg); err != nil {
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return nil, err
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}
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passedCredentials = append(passedCredentials, dockercfg)
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}
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}
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if len(passedCredentials) > 0 {
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basicKeyring := &credentialprovider.BasicDockerKeyring{}
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for _, currCredentials := range passedCredentials {
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basicKeyring.Add(currCredentials)
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}
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return credentialprovider.UnionDockerKeyring{basicKeyring, defaultKeyring}, nil
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}
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return defaultKeyring, nil
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}
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