refactor(stack): stack build process backend only [EE-4342] (#7750)

api/stacks/deployments/scheduled.go

@@ -0,0 +1,34 @@
+package deployments
+
+import (
+	"time"
+
+	"github.com/pkg/errors"
+	portainer "github.com/portainer/portainer/api"
+	"github.com/portainer/portainer/api/dataservices"
+	"github.com/portainer/portainer/api/scheduler"
+)
+
+func StartStackSchedules(scheduler *scheduler.Scheduler, stackdeployer StackDeployer, datastore dataservices.DataStore, gitService portainer.GitService) error {
+	stacks, err := datastore.Stack().RefreshableStacks()
+	if err != nil {
+		return errors.Wrap(err, "failed to fetch refreshable stacks")
+	}
+
+	for _, stack := range stacks {
+		d, err := time.ParseDuration(stack.AutoUpdate.Interval)
+		if err != nil {
+			return errors.Wrap(err, "Unable to parse auto update interval")
+		}
+		stackID := stack.ID // to be captured by the scheduled function
+		jobID := scheduler.StartJobEvery(d, func() error {
+			return RedeployWhenChanged(stackID, stackdeployer, datastore, gitService)
+		})
+
+		stack.AutoUpdate.JobID = jobID
+		if err := datastore.Stack().UpdateStack(stack.ID, &stack); err != nil {
+			return errors.Wrap(err, "failed to update stack job id")
+		}
+	}
+	return nil
+}