mirror of https://github.com/kubernetes/kops.git
117 lines
2.7 KiB
Go
117 lines
2.7 KiB
Go
/*
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Copyright 2019 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 vfsclientset
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import (
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"bytes"
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"context"
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"fmt"
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"os"
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"k8s.io/apimachinery/pkg/util/validation/field"
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"k8s.io/klog/v2"
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"k8s.io/kops/pkg/acls"
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"k8s.io/kops/pkg/apis/kops"
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"k8s.io/kops/pkg/apis/kops/validation"
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"k8s.io/kops/pkg/client/simple"
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"k8s.io/kops/pkg/kubemanifest"
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"k8s.io/kops/util/pkg/vfs"
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)
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type vfsAddonsClient struct {
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basePath vfs.Path
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clusterName string
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cluster *kops.Cluster
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}
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var _ simple.AddonsClient = &vfsAddonsClient{}
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func newAddonsVFS(c *VFSClientset, cluster *kops.Cluster) *vfsAddonsClient {
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if cluster == nil || cluster.Name == "" {
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klog.Fatalf("cluster / cluster.Name is required")
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}
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clusterName := cluster.Name
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r := &vfsAddonsClient{
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cluster: cluster,
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clusterName: clusterName,
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}
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r.basePath = c.basePath.Join(clusterName, "clusteraddons")
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return r
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}
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// TODO: Offer partial replacement?
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func (c *vfsAddonsClient) Replace(addons kubemanifest.ObjectList) error {
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ctx := context.TODO()
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for _, addon := range addons {
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fieldPath := field.NewPath("addons")
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if kind := addon.Kind(); kind != "" {
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fieldPath = fieldPath.Child("kind=" + kind)
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}
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if name := addon.GetName(); name != "" {
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fieldPath = fieldPath.Child("name=" + name)
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}
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errors := validation.ValidateAdditionalObject(ctx, fieldPath, addon.ToUnstructured())
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if len(errors) != 0 {
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return errors.ToAggregate()
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}
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}
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b, err := addons.ToYAML()
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if err != nil {
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return err
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}
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configPath := c.basePath.Join("default")
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acl, err := acls.GetACL(ctx, configPath, c.cluster)
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if err != nil {
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return err
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}
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rs := bytes.NewReader(b)
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if err := configPath.WriteFile(ctx, rs, acl); err != nil {
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return fmt.Errorf("error writing addons file %s: %v", configPath, err)
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}
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return nil
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}
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func (c *vfsAddonsClient) List(ctx context.Context) (kubemanifest.ObjectList, error) {
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configPath := c.basePath.Join("default")
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b, err := configPath.ReadFile(ctx)
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if err != nil {
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if os.IsNotExist(err) {
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return nil, nil
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}
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return nil, fmt.Errorf("error reading addons file %s: %v", configPath, err)
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}
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objects, err := kubemanifest.LoadObjectsFrom(b)
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if err != nil {
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return nil, err
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}
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return objects, nil
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}
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