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trigger_queue_subscriber.go
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/
trigger_queue_subscriber.go
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package configs
import (
"context"
ctrlclient "sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
"github.com/tilt-dev/tilt/internal/controllers/apicmp"
"github.com/tilt-dev/tilt/internal/controllers/apis/configmap"
"github.com/tilt-dev/tilt/internal/store"
"github.com/tilt-dev/tilt/pkg/apis/core/v1alpha1"
)
// Replicates the TriggerQueue back to the API server.
type TriggerQueueSubscriber struct {
client ctrlclient.Client
lastUpdate *v1alpha1.ConfigMap
}
func NewTriggerQueueSubscriber(client ctrlclient.Client) *TriggerQueueSubscriber {
return &TriggerQueueSubscriber{client: client}
}
func (s *TriggerQueueSubscriber) fromState(st store.RStore) *v1alpha1.ConfigMap {
state := st.RLockState()
defer st.RUnlockState()
var entries []configmap.TriggerQueueEntry
for _, mn := range state.TriggerQueue {
entry := configmap.TriggerQueueEntry{
Name: mn,
}
ms, ok := state.ManifestState(mn)
if !ok {
continue
}
entry.Reason = ms.TriggerReason
entries = append(entries, entry)
}
result := configmap.TriggerQueueCreate(entries)
return &result
}
func (s *TriggerQueueSubscriber) OnChange(ctx context.Context, st store.RStore, summary store.ChangeSummary) error {
if summary.IsLogOnly() {
return nil
}
cm := s.fromState(st)
if s.lastUpdate != nil && apicmp.DeepEqual(cm.Data, s.lastUpdate.Data) {
return nil
}
obj := v1alpha1.ConfigMap{
ObjectMeta: cm.ObjectMeta,
}
_, err := controllerutil.CreateOrUpdate(ctx, s.client, &obj, func() error {
obj.Data = cm.Data
return nil
})
if err != nil {
return err
}
s.lastUpdate = &obj
return nil
}