wisski-cloud-distillery/internal/wisski/ingredient/barrel/drush/update.go
2022-11-18 08:40:44 +01:00

61 lines
1.6 KiB
Go

package drush
import (
"time"
"github.com/FAU-CDI/wisski-distillery/internal/dis/component/meta"
"github.com/FAU-CDI/wisski-distillery/internal/status"
"github.com/FAU-CDI/wisski-distillery/internal/wisski/ingredient"
"github.com/FAU-CDI/wisski-distillery/internal/wisski/ingredient/mstore"
"github.com/FAU-CDI/wisski-distillery/pkg/environment"
"github.com/tkw1536/goprogram/exit"
"github.com/tkw1536/goprogram/stream"
)
var errBlindUpdateFailed = exit.Error{
Message: "Failed to run blind update script for instance %q: exited with code %s",
ExitCode: exit.ExitGeneric,
}
// Update performs a blind drush update
func (drush *Drush) Update(io stream.IOStream) error {
code, err := drush.Barrel.Shell(io, "/runtime/blind_update.sh")
if err != nil {
return errBlindUpdateFailed.WithMessageF(drush.Slug, environment.ExecCommandError)
}
if code != 0 {
return errBlindUpdateFailed.WithMessageF(drush.Slug, code)
}
return drush.setLastUpdate()
}
const lastUpdate = mstore.For[int64]("lastUpdate")
func (drush *Drush) LastUpdate() (t time.Time, err error) {
epoch, err := lastUpdate.Get(drush.MStore)
if err == meta.ErrMetadatumNotSet {
return t, nil
}
if err != nil {
return t, err
}
// and turn it into time!
return time.Unix(epoch, 0), nil
}
func (drush *Drush) setLastUpdate() error {
return lastUpdate.Set(drush.MStore, time.Now().Unix())
}
type LastUpdateFetcher struct {
ingredient.Base
Drush *Drush
}
func (lbr *LastUpdateFetcher) Fetch(flags ingredient.FetcherFlags, info *status.Information) (err error) {
info.LastUpdate, err = lbr.Drush.LastUpdate()
return
}