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index.go
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index.go
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package scheduler
import (
"fmt"
"github.com/dpb587/boshua/analysis"
"github.com/dpb587/boshua/analysis/datastore"
"github.com/dpb587/boshua/task/scheduler"
"github.com/dpb587/metalink"
"github.com/pkg/errors"
)
type index struct {
index datastore.Index
scheduler scheduler.Scheduler
schedulerCallback scheduler.StatusChangeCallback
}
var _ datastore.Index = &index{}
func New(idx datastore.Index, scheduler scheduler.Scheduler, schedulerCallback scheduler.StatusChangeCallback) datastore.Index {
return &index{
index: idx,
scheduler: scheduler,
schedulerCallback: schedulerCallback,
}
}
func (i *index) GetName() string {
return i.GetName()
}
func (i *index) GetAnalysisArtifacts(ref analysis.Reference) ([]analysis.Artifact, error) {
results, err := i.index.GetAnalysisArtifacts(ref)
if err != nil {
return nil, err
}
if len(results) > 0 {
return results, nil
}
scheduledTask, err := i.scheduler.ScheduleAnalysis(ref)
if err != nil {
return nil, errors.Wrap(err, "creating analysis")
}
status, err := scheduler.WaitForScheduledTask(scheduledTask, i.schedulerCallback)
if err != nil {
return nil, errors.Wrap(err, "checking task")
} else if status != scheduler.StatusSucceeded {
return nil, fmt.Errorf("task did not succeed: %s", status)
}
err = i.index.FlushAnalysisCache()
if err != nil {
return nil, errors.Wrap(err, "flushing cache")
}
return i.index.GetAnalysisArtifacts(ref)
}
func (i *index) StoreAnalysisResult(ref analysis.Reference, meta4 metalink.Metalink) error {
return i.index.StoreAnalysisResult(ref, meta4)
}
func (i *index) FlushAnalysisCache() error {
return i.index.FlushAnalysisCache()
}