wisski-cloud-distillery/cmd/rebuild.go
2022-12-08 10:36:07 +01:00

54 lines
1.6 KiB
Go

package cmd
import (
"fmt"
"io"
wisski_distillery "github.com/FAU-CDI/wisski-distillery"
"github.com/FAU-CDI/wisski-distillery/internal/cli"
"github.com/FAU-CDI/wisski-distillery/internal/wisski"
"github.com/tkw1536/goprogram/exit"
"github.com/tkw1536/goprogram/status"
)
// Cron is the 'cron' command
var Rebuild wisski_distillery.Command = rebuild{}
type rebuild struct {
Parallel int `short:"p" long:"parallel" description:"run on (at most) this many instances in parallel. 0 for no limit." default:"1"`
Positionals struct {
Slug []string `positional-arg-name:"SLUG" required:"0" description:"slug of instance(s) to run rebuild"`
} `positional-args:"true"`
}
func (rebuild) Description() wisski_distillery.Description {
return wisski_distillery.Description{
Requirements: cli.Requirements{
NeedsDistillery: true,
},
Command: "rebuild",
Description: "Runs the rebuild script for several instances",
}
}
var errRebuildFailed = exit.Error{
Message: "failed to run rebuild script for instance %q: exited with code %s",
ExitCode: exit.ExitGeneric,
}
func (rb rebuild) Run(context wisski_distillery.Context) error {
dis := context.Environment
// find the instances
wissKIs, err := dis.Instances().Load(context.Context, rb.Positionals.Slug...)
if err != nil {
return err
}
// and do the actual rebuild
return status.WriterGroup(context.Stderr, rb.Parallel, func(instance *wisski.WissKI, writer io.Writer) error {
return instance.Barrel().Build(context.Context, writer, true)
}, wissKIs, status.SmartMessage(func(item *wisski.WissKI) string {
return fmt.Sprintf("rebuild %q", item.Slug)
}))
}