mirror of
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117 lines
3.4 KiB
Go
117 lines
3.4 KiB
Go
package bus
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import (
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"context"
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"github.com/wagoodman/go-partybus"
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"github.com/wagoodman/go-progress"
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"github.com/anchore/clio"
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"github.com/anchore/syft/internal/redact"
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"github.com/anchore/syft/syft/event"
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"github.com/anchore/syft/syft/event/monitor"
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)
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func Exit() {
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Publish(clio.ExitEvent(false))
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}
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func ExitWithInterrupt() {
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Publish(clio.ExitEvent(true))
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}
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func Report(report string) {
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if len(report) == 0 {
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return
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}
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report = redact.Apply(report)
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Publish(partybus.Event{
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Type: event.CLIReport,
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Value: report,
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})
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}
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func Notify(message string) {
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Publish(partybus.Event{
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Type: event.CLINotification,
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Value: message,
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})
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}
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type catalogerTaskProgressKey struct{}
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// WithCatalogerTaskProgress returns a context whose cataloger tasks report into prog rather than
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// starting a row of their own.
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//
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// Nested cataloging runs under such a context: re-running the cataloger pipeline against the
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// contents of an archive is work that belongs to the progress of the task driving the recursion, not
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// a second start of every cataloger. Starting rows again per archive floods a consumer's display,
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// and where the new row carries an ID the consumer has already seen (every package cataloger does -
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// the ID is the cataloger name) it replaces the live row for that ID. The replaced row is then never
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// rendered again, its completion is never observed, and a UI that waits on every row it started - as
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// the syft CLI does - blocks forever on teardown.
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func WithCatalogerTaskProgress(ctx context.Context, prog *monitor.TaskProgress) context.Context {
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return context.WithValue(ctx, catalogerTaskProgressKey{}, prog)
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}
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// catalogerTaskProgressFromContext returns the progress that cataloger tasks started under this
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// context report into, or nil when they should start one of their own.
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func catalogerTaskProgressFromContext(ctx context.Context) *monitor.TaskProgress {
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prog, _ := ctx.Value(catalogerTaskProgressKey{}).(*monitor.TaskProgress)
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return prog
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}
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func StartCatalogerTask(ctx context.Context, info monitor.GenericTask, size int64, initialStage string) *monitor.TaskProgress {
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if parent := catalogerTaskProgressFromContext(ctx); parent != nil {
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// the stage is shared, so what this cataloger is working on shows up on the row already on
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// screen; the count is not, so this task completing does not complete the row it reports into
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return &monitor.TaskProgress{
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AtomicStage: parent.AtomicStage,
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Manual: progress.NewManual(size),
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}
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}
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t := &monitor.TaskProgress{
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AtomicStage: progress.NewAtomicStage(initialStage),
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Manual: progress.NewManual(size),
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}
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Publish(partybus.Event{
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Type: event.CatalogerTaskStarted,
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Source: info,
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Value: progress.StagedProgressable(t),
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})
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return t
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}
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func StartPullSourceTask(info monitor.GenericTask, size int64, initialStage string) *monitor.TaskProgress {
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t := &monitor.TaskProgress{
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AtomicStage: progress.NewAtomicStage(initialStage),
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Manual: progress.NewManual(size),
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}
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Publish(partybus.Event{
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Type: event.PullSourceStarted,
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Source: info,
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Value: progress.StagedProgressable(t),
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})
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return t
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}
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func StartIndexingFiles(path string) *monitor.TaskProgress {
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t := &monitor.TaskProgress{
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AtomicStage: progress.NewAtomicStage(""),
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Manual: progress.NewManual(-1),
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}
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Publish(partybus.Event{
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Type: event.FileIndexingStarted,
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Source: path,
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Value: progress.StagedProgressable(t),
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})
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return t
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}
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