mirror of
https://github.com/edgelesssys/constellation.git
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968cdc1a38
* cli: move internal packages Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com> * cli: fix buildfiles Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com> * bazel: fix exclude dir Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com> * cli: move back libraries that will not be used by TF provider Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com> --------- Signed-off-by: Moritz Sanft <58110325+msanft@users.noreply.github.com>
72 lines
1.7 KiB
Go
72 lines
1.7 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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"time"
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"github.com/edgelesssys/constellation/v2/internal/retry"
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)
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const (
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// maximumRetryAttempts is the maximum number of attempts to retry a helm install.
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maximumRetryAttempts = 3
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)
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type retrieableApplier interface {
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apply(context.Context) error
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ReleaseName() string
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IsAtomic() bool
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}
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// retryApply retries the given retriable action.
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func retryApply(ctx context.Context, action retrieableApplier, retryInterval time.Duration, log debugLog) error {
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var retries int
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retriable := func(err error) bool {
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// abort after maximumRetryAttempts tries.
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if retries >= maximumRetryAttempts {
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return false
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}
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retries++
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// only retry if atomic is set
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// otherwise helm doesn't uninstall the release on failure
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return action.IsAtomic()
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}
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doer := applyDoer{
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applier: action,
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log: log,
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}
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retrier := retry.NewIntervalRetrier(doer, retryInterval, retriable)
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retryLoopStartTime := time.Now()
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if err := retrier.Do(ctx); err != nil {
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return fmt.Errorf("helm install: %w", err)
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}
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retryLoopFinishDuration := time.Since(retryLoopStartTime)
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log.Debugf("Helm chart %q installation finished after %s", action.ReleaseName(), retryLoopFinishDuration)
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return nil
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}
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// applyDoer is a helper struct to enable retrying helm actions.
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type applyDoer struct {
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applier retrieableApplier
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log debugLog
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}
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// Do tries to apply the action.
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func (i applyDoer) Do(ctx context.Context) error {
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i.log.Debugf("Trying to apply Helm chart %s", i.applier.ReleaseName())
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if err := i.applier.apply(ctx); err != nil {
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i.log.Debugf("Helm chart installation %s failed: %v", i.applier.ReleaseName(), err)
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return err
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}
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return nil
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}
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