wisski-cloud-distillery/internal/component/instances/wisski_info.go
2022-11-16 13:07:11 +01:00

112 lines
2.4 KiB
Go

package instances
import (
"time"
"github.com/FAU-CDI/wisski-distillery/internal/models"
"github.com/tkw1536/goprogram/stream"
"golang.org/x/sync/errgroup"
)
// WissKIInfo represents information about this WissKI Instance.
type WissKIInfo struct {
Time time.Time // Time this info was built
// Generic Information
Slug string // slug
URL string // complete URL, including http(s)
Locked bool // Is this instance currently locked?
// Information about the running instance
Running bool
LastRebuild time.Time
LastUpdate time.Time
// List of backups made
Snapshots []models.Export
// WissKI content information
NoPrefixes bool // TODO: Move this into the database
Prefixes []string // list of prefixes
Pathbuilders map[string]string // all the pathbuilders
}
// Info generate a
func (wisski *WissKI) Info(quick bool) (info WissKIInfo, err error) {
var group errgroup.Group
wisski.infoQuick(&info, &group)
if !quick {
server, err := wisski.NewPHPServer()
if err == nil {
wisski.infoSlow(&info, server, &group)
defer server.Close()
}
}
err = group.Wait()
return
}
func (wisski *WissKI) infoQuick(info *WissKIInfo, group *errgroup.Group) {
info.Time = time.Now().UTC()
info.Slug = wisski.Slug
info.URL = wisski.URL().String()
group.Go(func() (err error) {
info.Running, err = wisski.Running()
return
})
group.Go(func() (err error) {
info.Locked = wisski.IsLocked()
return
})
group.Go(func() (err error) {
info.LastRebuild, _ = wisski.LastRebuild()
return
})
group.Go(func() (err error) {
info.LastUpdate, _ = wisski.LastUpdate()
return
})
group.Go(func() (err error) {
info.LastRebuild, _ = wisski.LastRebuild()
return
})
group.Go(func() (err error) {
info.NoPrefixes = wisski.NoPrefix()
return
})
}
func (wisski *WissKI) infoSlow(info *WissKIInfo, server *PHPServer, group *errgroup.Group) {
group.Go(func() (err error) {
info.Prefixes, _ = wisski.Prefixes(server)
return nil
})
group.Go(func() error {
info.Snapshots, _ = wisski.Snapshots()
return nil
})
group.Go(func() error {
info.Pathbuilders, _ = wisski.AllPathbuilders(server)
return nil
})
}
// Running checks if this WissKI is currently running.
func (wisski *WissKI) Running() (bool, error) {
ps, err := wisski.Barrel().Ps(stream.FromNil())
if err != nil {
return false, err
}
return len(ps) > 0, nil
}