portainer/pkg/libhelm/sdk/rollback.go

112 lines
3.5 KiB
Go

package sdk
import (
"time"
"github.com/pkg/errors"
"github.com/portainer/portainer/pkg/libhelm/options"
"github.com/portainer/portainer/pkg/libhelm/release"
"github.com/rs/zerolog/log"
"helm.sh/helm/v3/pkg/action"
)
// Rollback would implement the HelmPackageManager interface by using the Helm SDK to rollback a release to a previous revision.
func (hspm *HelmSDKPackageManager) Rollback(rollbackOpts options.RollbackOptions) (*release.Release, error) {
log.Debug().
Str("context", "HelmClient").
Str("name", rollbackOpts.Name).
Str("namespace", rollbackOpts.Namespace).
Int("revision", rollbackOpts.Version).
Bool("wait", rollbackOpts.Wait).
Msg("Rolling back Helm release")
if rollbackOpts.Name == "" {
log.Error().
Str("context", "HelmClient").
Msg("Name is required for helm release rollback")
return nil, errors.New("name is required for helm release rollback")
}
// Initialize action configuration with kubernetes config
actionConfig := new(action.Configuration)
err := hspm.initActionConfig(actionConfig, rollbackOpts.Namespace, rollbackOpts.KubernetesClusterAccess)
if err != nil {
return nil, errors.Wrap(err, "failed to initialize helm configuration for helm release rollback")
}
rollbackClient := initRollbackClient(actionConfig, rollbackOpts)
// Run the rollback
err = rollbackClient.Run(rollbackOpts.Name)
if err != nil {
log.Error().
Str("context", "HelmClient").
Str("name", rollbackOpts.Name).
Str("namespace", rollbackOpts.Namespace).
Int("revision", rollbackOpts.Version).
Err(err).
Msg("Failed to rollback helm release")
return nil, errors.Wrap(err, "helm was not able to rollback the release")
}
// Get the release info after rollback
statusClient := action.NewStatus(actionConfig)
rel, err := statusClient.Run(rollbackOpts.Name)
if err != nil {
log.Error().
Str("context", "HelmClient").
Str("name", rollbackOpts.Name).
Str("namespace", rollbackOpts.Namespace).
Int("revision", rollbackOpts.Version).
Err(err).
Msg("Failed to get status after rollback")
return nil, errors.Wrap(err, "failed to get status after rollback")
}
return &release.Release{
Name: rel.Name,
Namespace: rel.Namespace,
Version: rel.Version,
Info: &release.Info{
Status: release.Status(rel.Info.Status),
Notes: rel.Info.Notes,
Description: rel.Info.Description,
},
Manifest: rel.Manifest,
Chart: release.Chart{
Metadata: &release.Metadata{
Name: rel.Chart.Metadata.Name,
Version: rel.Chart.Metadata.Version,
AppVersion: rel.Chart.Metadata.AppVersion,
},
},
Labels: rel.Labels,
}, nil
}
// initRollbackClient initializes the rollback client with the given options
// and returns the rollback client.
func initRollbackClient(actionConfig *action.Configuration, rollbackOpts options.RollbackOptions) *action.Rollback {
rollbackClient := action.NewRollback(actionConfig)
// Set version to rollback to (if specified)
if rollbackOpts.Version > 0 {
rollbackClient.Version = rollbackOpts.Version
}
rollbackClient.Wait = rollbackOpts.Wait
rollbackClient.WaitForJobs = rollbackOpts.WaitForJobs
rollbackClient.CleanupOnFail = true // Sane default to clean up on failure
rollbackClient.Recreate = rollbackOpts.Recreate
rollbackClient.Force = rollbackOpts.Force
// Set default values if not specified
if rollbackOpts.Timeout == 0 {
rollbackClient.Timeout = 5 * time.Minute // Sane default of 5 minutes
} else {
rollbackClient.Timeout = rollbackOpts.Timeout
}
return rollbackClient
}