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https://github.com/edgelesssys/constellation.git
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90dbeae16b
* Use CLI to fetch measurements in e2e test * Abort helm service upgrade early if user confirmation is missing * Add container push to CLI build action --------- Signed-off-by: Daniel Weiße <dw@edgeless.systems>
96 lines
3.0 KiB
Go
96 lines
3.0 KiB
Go
/*
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Copyright (c) Edgeless Systems GmbH
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SPDX-License-Identifier: AGPL-3.0-only
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*/
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package helm
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import (
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"context"
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"fmt"
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"path/filepath"
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"github.com/edgelesssys/constellation/v2/internal/constants"
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apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"sigs.k8s.io/yaml"
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)
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func (c *Client) backupCRDs(ctx context.Context, upgradeID string) ([]apiextensionsv1.CustomResourceDefinition, error) {
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c.log.Debugf("Starting CRD backup")
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crds, err := c.kubectl.GetCRDs(ctx)
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if err != nil {
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return nil, fmt.Errorf("getting CRDs: %w", err)
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}
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crdBackupFolder := c.crdBackupFolder(upgradeID)
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if err := c.fs.MkdirAll(crdBackupFolder); err != nil {
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return nil, fmt.Errorf("creating backup dir: %w", err)
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}
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for i := range crds {
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path := filepath.Join(crdBackupFolder, crds[i].Name+".yaml")
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c.log.Debugf("Creating CRD backup: %s", path)
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// We have to manually set kind/apiversion because of a long-standing limitation of the API:
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// https://github.com/kubernetes/kubernetes/issues/3030#issuecomment-67543738
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// The comment states that kind/version are encoded in the type.
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// The package holding the CRD type encodes the version.
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crds[i].Kind = "CustomResourceDefinition"
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crds[i].APIVersion = "apiextensions.k8s.io/v1"
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yamlBytes, err := yaml.Marshal(crds[i])
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if err != nil {
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return nil, err
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}
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if err := c.fs.Write(path, yamlBytes); err != nil {
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return nil, err
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}
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}
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c.log.Debugf("CRD backup complete")
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return crds, nil
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}
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func (c *Client) backupCRs(ctx context.Context, crds []apiextensionsv1.CustomResourceDefinition, upgradeID string) error {
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c.log.Debugf("Starting CR backup")
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for _, crd := range crds {
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c.log.Debugf("Creating backup for resource type: %s", crd.Name)
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for _, version := range crd.Spec.Versions {
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gvr := schema.GroupVersionResource{Group: crd.Spec.Group, Version: version.Name, Resource: crd.Spec.Names.Plural}
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crs, err := c.kubectl.GetCRs(ctx, gvr)
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if err != nil {
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return fmt.Errorf("retrieving CR %s: %w", crd.Name, err)
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}
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backupFolder := c.backupFolder(upgradeID)
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for _, cr := range crs {
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targetFolder := filepath.Join(backupFolder, gvr.Group, gvr.Version, cr.GetNamespace(), cr.GetKind())
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if err := c.fs.MkdirAll(targetFolder); err != nil {
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return fmt.Errorf("creating resource dir: %w", err)
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}
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path := filepath.Join(targetFolder, cr.GetName()+".yaml")
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yamlBytes, err := yaml.Marshal(cr.Object)
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if err != nil {
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return err
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}
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if err := c.fs.Write(path, yamlBytes); err != nil {
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return err
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}
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}
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}
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c.log.Debugf("Backup for resource type %q complete", crd.Name)
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}
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c.log.Debugf("CR backup complete")
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return nil
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}
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func (c *Client) backupFolder(upgradeID string) string {
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return filepath.Join(constants.UpgradeDir, upgradeID, "backups") + string(filepath.Separator)
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}
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func (c *Client) crdBackupFolder(upgradeID string) string {
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return filepath.Join(c.backupFolder(upgradeID), "crds") + string(filepath.Separator)
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}
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