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cli: save Helm charts to disk before running upgrades (#2305)

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Signed-off-by: Daniel Weiße <dw@edgeless.systems>
This commit is contained in:
Daniel Weiße 2023-09-08 12:02:16 +02:00 • committed by GitHub
parent 6cb506bca7
commit 94a7b9e7b2
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6 changed files with 144 additions and 3 deletions
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24
cli/internal/helm/action.go
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@ -9,9 +9,11 @@ package helm
import (
"context"
"fmt"
"path/filepath"
"time"
"github.com/edgelesssys/constellation/v2/internal/constants"
"github.com/edgelesssys/constellation/v2/internal/file"
"helm.sh/helm/v3/pkg/action"
"helm.sh/helm/v3/pkg/cli"
@ -24,6 +26,7 @@ const (
type applyAction interface {
Apply(context.Context) error
SaveChart(chartsDir string, fileHandler file.Handler) error
ReleaseName() string
IsAtomic() bool
}
@ -94,6 +97,11 @@ func (a *installAction) Apply(ctx context.Context) error {
return nil
}
// SaveChart saves the chart to the given directory under the `install/<chart-name>` subdirectory.
func (a *installAction) SaveChart(chartsDir string, fileHandler file.Handler) error {
return saveChart(a.release, chartsDir, fileHandler)
}
func (a *installAction) apply(ctx context.Context) error {
_, err := a.helmAction.RunWithContext(ctx, a.release.Chart, a.release.Values)
return err
@ -145,6 +153,11 @@ func (a *upgradeAction) Apply(ctx context.Context) error {
return nil
}
// SaveChart saves the chart to the given directory under the `upgrade/<chart-name>` subdirectory.
func (a *upgradeAction) SaveChart(chartsDir string, fileHandler file.Handler) error {
return saveChart(a.release, chartsDir, fileHandler)
}
func (a *upgradeAction) apply(ctx context.Context) error {
_, err := a.helmAction.RunWithContext(ctx, a.release.ReleaseName, a.release.Chart, a.release.Values)
return err
@ -159,3 +172,14 @@ func (a *upgradeAction) ReleaseName() string {
func (a *upgradeAction) IsAtomic() bool {
return a.helmAction.Atomic
}
func saveChart(release Release, chartsDir string, fileHandler file.Handler) error {
if err := saveChartToDisk(release.Chart, chartsDir, fileHandler); err != nil {
return fmt.Errorf("saving chart %s to %q: %w", release.ReleaseName, chartsDir, err)
}
if err := fileHandler.WriteYAML(filepath.Join(chartsDir, release.Chart.Metadata.Name, "overrides.yaml"), release.Values); err != nil {
return fmt.Errorf("saving override values for chart %s to %q: %w", release.ReleaseName, filepath.Join(chartsDir, release.Chart.Metadata.Name), err)
}
return nil
}