feat: add reconcile jobs for deleted topologies and canaries

pkg/controllers/canary_controller.go

@@ -93,7 +93,7 @@ func (r *CanaryReconciler) Reconcile(ctx gocontext.Context, req ctrl.Request) (c
 		if err := db.DeleteCanary(*canary); err != nil {
 			logger.Error(err, "failed to delete canary")
 		}
-		canaryJobs.DeleteCanaryJob(*canary)
+		canaryJobs.DeleteCanaryJob(canary.GetPersistedID())
 		controllerutil.RemoveFinalizer(canary, FinalizerName)
 		return ctrl.Result{}, r.Update(ctx, canary)
 	}

pkg/controllers/system_controller.go

@@ -63,7 +63,7 @@ func (r *TopologyReconciler) Reconcile(ctx gocontext.Context, req ctrl.Request)
 		if err := db.DeleteTopology(topology); err != nil {
 			logger.Error(err, "failed to delete topology")
 		}
-		systemJobs.DeleteTopologyJob(*topology)
+		systemJobs.DeleteTopologyJob(topology.GetPersistedID())
 		controllerutil.RemoveFinalizer(topology, TopologyFinalizerName)
 		return ctrl.Result{}, r.Update(ctx, topology)
 	}

pkg/jobs/canary/canary_jobs.go

@@ -214,9 +214,9 @@ type CanaryStatusPayload struct {
 	NamespacedName       types.NamespacedName
 }
 
-func findCronEntry(canary v1.Canary) *cron.Entry {
+func findCronEntry(id string) *cron.Entry {
 	for _, entry := range CanaryScheduler.Entries() {
-		if entry.Job.(CanaryJob).GetPersistedID() == canary.GetPersistedID() {
+		if entry.Job.(CanaryJob).GetPersistedID() == id {
 			return &entry
 		}
 	}
@@ -247,7 +247,7 @@ var canaryUpdateTimeCache = sync.Map{}
 // TODO: Refactor to use database object instead of kubernetes
 func SyncCanaryJob(canary v1.Canary) error {
 	if !canary.DeletionTimestamp.IsZero() || canary.Spec.GetSchedule() == "@never" {
-		DeleteCanaryJob(canary)
+		DeleteCanaryJob(canary.GetPersistedID())
 		return nil
 	}
 
@@ -273,7 +273,7 @@ func SyncCanaryJob(canary v1.Canary) error {
 	}
 
 	updateTime, exists := canaryUpdateTimeCache.Load(dbCanary.ID.String())
-	entry := findCronEntry(canary)
+	entry := findCronEntry(canary.GetPersistedID())
 	if !exists || dbCanary.UpdatedAt.After(updateTime.(time.Time)) || entry == nil {
 		// Remove entry if it exists
 		if entry != nil {
@@ -351,15 +351,50 @@ func SyncCanaryJobs() {
 	logger.Infof("Synced canary jobs %d", len(CanaryScheduler.Entries()))
 }
 
-func DeleteCanaryJob(canary v1.Canary) {
-	entry := findCronEntry(canary)
+func DeleteCanaryJob(id string) {
+	entry := findCronEntry(id)
 	if entry == nil {
 		return
 	}
-	logger.Tracef("deleting cron entry for canary %s/%s with entry ID: %v", canary.Name, canary.Namespace, entry.ID)
+	logger.Tracef("deleting cron entry for canary:%s with entry ID: %v", id, entry.ID)
 	CanaryScheduler.Remove(entry.ID)
 }
 
+func ReconcileDeletedCanaryChecks() {
+	jobHistory := models.NewJobHistory("ReconcileDeletedTopologyComponents", "", "").Start()
+	_ = db.PersistJobHistory(jobHistory)
+	defer func() { _ = db.PersistJobHistory(jobHistory.End()) }()
+
+	var rows []struct {
+		ID        string
+		DeletedAt time.Time
+	}
+	// Select all components whose topology ID is deleted but their deleted at is not marked
+	err := db.Gorm.Raw(`
+        SELECT DISTINCT(canaries.id), canaries.deleted_at
+        FROM canaries
+        INNER JOIN checks ON canaries.id = checks.canary_id
+        WHERE
+            checks.deleted_at IS NULL AND
+            canaries.deleted_at IS NOT NULL
+        `).Scan(&rows).Error
+
+	if err != nil {
+		logger.Errorf("Error fetching deleted canary checks: %v", err)
+		jobHistory.AddError(err.Error())
+		return
+	}
+
+	for _, r := range rows {
+		if err := db.DeleteChecksForCanary(r.ID, r.DeletedAt); err != nil {
+			logger.Errorf("Error deleting checks for canary[%s]: %v", r.ID, err)
+			jobHistory.AddError(err.Error())
+		}
+		DeleteCanaryJob(r.ID)
+	}
+	jobHistory.IncrSuccess()
+}
+
 func ScheduleFunc(schedule string, fn func()) (interface{}, error) {
 	return FuncScheduler.AddFunc(schedule, fn)
 }

pkg/jobs/jobs.go

@@ -28,6 +28,9 @@ const (
 	CheckCleanupSchedule               = "@every 12h"
 	CanaryCleanupSchedule              = "@every 12h"
 	PrometheusGaugeCleanupSchedule     = "@every 1h"
+
+	ReconcileDeletedTopologyComponentsSchedule = "@every 1h"
+	ReconcileDeletedCanaryChecksSchedule       = "@every 1h"
 )
 
 func Start() {
@@ -79,6 +82,12 @@ func Start() {
 	if _, err := ScheduleFunc(CanaryCleanupSchedule, db.CleanupCanaries); err != nil {
 		logger.Errorf("Failed to schedule canary cleanup job: %v", err)
 	}
+	if _, err := ScheduleFunc(ReconcileDeletedTopologyComponentsSchedule, systemJobs.ReconcileDeletedTopologyComponents); err != nil {
+		logger.Errorf("Failed to schedule ReconcileDeletedTopologyComponents: %v", err)
+	}
+	if _, err := ScheduleFunc(ReconcileDeletedCanaryChecksSchedule, canaryJobs.ReconcileDeletedCanaryChecks); err != nil {
+		logger.Errorf("Failed to schedule ReconcileDeletedCanaryChecks: %v", err)
+	}
 
 	canaryJobs.CleanupMetricsGauges()
 	canaryJobs.SyncCanaryJobs()

pkg/jobs/system/system_jobs.go

@@ -11,6 +11,7 @@ import (
 	"github.com/flanksource/canary-checker/pkg/db"
 	pkgTopology "github.com/flanksource/canary-checker/pkg/topology"
 	"github.com/flanksource/commons/logger"
+	"github.com/flanksource/duty/models"
 	"github.com/flanksource/kommons"
 	"github.com/robfig/cron/v3"
 	"k8s.io/apimachinery/pkg/types"
@@ -71,7 +72,7 @@ func SyncTopologyJobs() {
 
 func SyncTopologyJob(t v1.Topology) error {
 	if !t.DeletionTimestamp.IsZero() || t.Spec.GetSchedule() == "@never" {
-		DeleteTopologyJob(t)
+		DeleteTopologyJob(t.GetPersistedID())
 		return nil
 	}
 	if Kommons == nil {
@@ -81,7 +82,7 @@ func SyncTopologyJob(t v1.Topology) error {
 			logger.Warnf("Failed to get kommons client, features that read kubernetes config will fail: %v", err)
 		}
 	}
-	entry := findTopologyCronEntry(t)
+	entry := findTopologyCronEntry(t.GetPersistedID())
 	if entry != nil {
 		job := entry.Job.(TopologyJob)
 		if !reflect.DeepEqual(job.Topology.Spec, t.Spec) {
@@ -104,7 +105,7 @@ func SyncTopologyJob(t v1.Topology) error {
 		logger.Infof("Scheduled %s/%s: %s", t.Namespace, t.Name, t.Spec.GetSchedule())
 	}
 
-	entry = findTopologyCronEntry(t)
+	entry = findTopologyCronEntry(t.GetPersistedID())
 	if entry != nil && time.Until(entry.Next) < 1*time.Hour {
 		// run all regular topologies on startup
 		job = entry.Job.(TopologyJob)
@@ -113,20 +114,55 @@ func SyncTopologyJob(t v1.Topology) error {
 	return nil
 }
 
-func findTopologyCronEntry(t v1.Topology) *cron.Entry {
+func findTopologyCronEntry(id string) *cron.Entry {
 	for _, entry := range TopologyScheduler.Entries() {
-		if entry.Job.(TopologyJob).GetPersistedID() == t.GetPersistedID() {
+		if entry.Job.(TopologyJob).GetPersistedID() == id {
 			return &entry
 		}
 	}
 	return nil
 }
 
-func DeleteTopologyJob(t v1.Topology) {
-	entry := findTopologyCronEntry(t)
+func DeleteTopologyJob(id string) {
+	entry := findTopologyCronEntry(id)
 	if entry == nil {
 		return
 	}
-	logger.Tracef("deleting cron entry for topology %s/%s with entry ID: %v", t.Name, t.Namespace, entry.ID)
+	logger.Tracef("deleting cron entry for topology:%s with entry ID: %v", id, entry.ID)
 	TopologyScheduler.Remove(entry.ID)
 }
+
+func ReconcileDeletedTopologyComponents() {
+	jobHistory := models.NewJobHistory("ReconcileDeletedTopologyComponents", "", "").Start()
+	_ = db.PersistJobHistory(jobHistory)
+	defer func() { _ = db.PersistJobHistory(jobHistory.End()) }()
+
+	var rows []struct {
+		ID        string
+		DeletedAt time.Time
+	}
+	// Select all components whose topology ID is deleted but their deleted at is not marked
+	err := db.Gorm.Raw(`
+        SELECT DISTINCT(topologies.id), topologies.deleted_at as deleted_at
+        FROM topologies
+        INNER JOIN components ON topologies.id = components.topology_id
+        WHERE
+            components.deleted_at IS NULL AND
+            topologies.deleted_at IS NOT NULL
+        `).Scan(&rows).Error
+
+	if err != nil {
+		logger.Errorf("Error fetching deleted topology components: %v", err)
+		jobHistory.AddError(err.Error())
+		return
+	}
+
+	for _, r := range rows {
+		if err := db.DeleteComponentsOfTopology(r.ID, r.DeletedAt); err != nil {
+			logger.Errorf("Error deleting components for topology[%s]: %v", r.ID, err)
+			jobHistory.AddError(err.Error())
+		}
+		DeleteTopologyJob(r.ID)
+	}
+	jobHistory.IncrSuccess()
+}