92 lines
2 KiB
Go
92 lines
2 KiB
Go
package info
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import (
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"net/http"
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"time"
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_ "embed"
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"github.com/FAU-CDI/wisski-distillery/internal/dis/component"
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"github.com/FAU-CDI/wisski-distillery/internal/dis/component/control/static"
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"github.com/FAU-CDI/wisski-distillery/internal/status"
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"golang.org/x/sync/errgroup"
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)
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//go:embed "html/index.html"
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var indexTemplateStr string
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var indexTemplate = static.AssetsControlIndex.MustParseShared(
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"index.html",
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indexTemplateStr,
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)
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type indexContext struct {
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status.Distillery
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Instances []status.Information
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}
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func (info *Info) index(r *http.Request) (idx indexContext, err error) {
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idx.Distillery, idx.Instances, err = info.Status(true)
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return
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}
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// Status produces a new observation of the distillery, and a new information of all instances
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// The information on all instances is passed the given quick flag.
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func (info *Info) Status(QuickInformation bool) (target status.Distillery, information []status.Information, err error) {
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var group errgroup.Group
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group.Go(func() error {
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// list all the instances
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all, err := info.Instances.All()
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if err != nil {
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return err
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}
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// get all of their info!
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information = make([]status.Information, len(all))
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for i, instance := range all {
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{
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i := i
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instance := instance
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// store the info for this group!
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group.Go(func() (err error) {
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information[i], err = instance.Info().Information(true)
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return err
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})
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}
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}
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return nil
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})
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// gather all the observations
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var flags component.FetcherFlags
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for _, o := range info.Fetchers {
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o := o
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group.Go(func() error {
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return o.Fetch(flags, &target)
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})
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}
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// wait for all the fetchers to finish
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if err := group.Wait(); err != nil {
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return status.Distillery{}, nil, err
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}
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// count overall instances
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for _, i := range information {
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if i.Running {
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target.RunningCount++
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} else {
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target.StoppedCount++
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}
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}
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target.TotalCount = len(information)
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return
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}
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func (nfo *Info) Fetch(flags component.FetcherFlags, target *status.Distillery) error {
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target.Time = time.Now().UTC()
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target.Config = nfo.Config
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return nil
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}
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