Sync cron jobs

cmd/icinga-kubernetes/main.go

@@ -211,6 +211,11 @@ func main() {
 
 		return s.Run(ctx)
 	})
+	g.Go(func() error {
+		s := syncv1.NewSync(db, factory.Batch().V1().CronJobs().Informer(), log.WithName("cron-jobs"), schemav1.NewCronJob)
+
+		return s.Run(ctx)
+	})
 	if err := g.Wait(); err != nil {
 		klog.Fatal(err)
 	}

pkg/schema/v1/cron_job.go

@@ -0,0 +1,101 @@
+package v1
+
+import (
+	"github.com/icinga/icinga-kubernetes/pkg/database"
+	"github.com/icinga/icinga-kubernetes/pkg/types"
+	kbatchv1 "k8s.io/api/batch/v1"
+	kmetav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"strings"
+)
+
+type CronJob struct {
+	Meta
+	Id                         types.Binary
+	Schedule                   string
+	Timezone                   string
+	StartingDeadlineSeconds    int64
+	ConcurrencyPolicy          string
+	Suspend                    types.Bool
+	SuccessfulJobsHistoryLimit int32
+	FailedJobsHistoryLimit     int32
+	Active                     int32
+	LastScheduleTime           types.UnixMilli
+	LastSuccessfulTime         types.UnixMilli
+	Labels                     []Label        `db:"-"`
+	CronJobLabels              []CronJobLabel `db:"-"`
+}
+
+type CronJobLabel struct {
+	CronJobId types.Binary
+	LabelId   types.Binary
+}
+
+func NewCronJob() Resource {
+	return &CronJob{}
+}
+
+func (c *CronJob) Obtain(k8s kmetav1.Object) {
+	c.ObtainMeta(k8s)
+
+	cronJob := k8s.(*kbatchv1.CronJob)
+
+	var timeZone string
+	if cronJob.Spec.TimeZone != nil {
+		timeZone = *cronJob.Spec.TimeZone
+	}
+	var startingDeadlineSeconds int64
+	if cronJob.Spec.StartingDeadlineSeconds != nil {
+		startingDeadlineSeconds = *cronJob.Spec.StartingDeadlineSeconds
+	}
+	var suspend types.Bool
+	if cronJob.Spec.Suspend != nil {
+		suspend.Bool = *cronJob.Spec.Suspend
+		suspend.Valid = true
+	}
+	var successfulJobsHistoryLimit int32
+	if cronJob.Spec.SuccessfulJobsHistoryLimit != nil {
+		successfulJobsHistoryLimit = *cronJob.Spec.SuccessfulJobsHistoryLimit
+	}
+	var failedJobsHistoryLimit int32
+	if cronJob.Spec.FailedJobsHistoryLimit != nil {
+		failedJobsHistoryLimit = *cronJob.Spec.FailedJobsHistoryLimit
+	}
+	if cronJob.Status.LastScheduleTime != nil {
+		c.LastScheduleTime = types.UnixMilli(cronJob.Status.LastScheduleTime.Time)
+	}
+	if cronJob.Status.LastSuccessfulTime != nil {
+		c.LastSuccessfulTime = types.UnixMilli(cronJob.Status.LastSuccessfulTime.Time)
+	}
+
+	c.Id = types.Checksum(c.Namespace + "/" + c.Name)
+	c.Schedule = cronJob.Spec.Schedule
+	c.Timezone = timeZone
+	c.StartingDeadlineSeconds = startingDeadlineSeconds
+	c.ConcurrencyPolicy = string(cronJob.Spec.ConcurrencyPolicy)
+	c.Suspend = suspend
+	c.SuccessfulJobsHistoryLimit = successfulJobsHistoryLimit
+	c.FailedJobsHistoryLimit = failedJobsHistoryLimit
+	c.Active = int32(len(cronJob.Status.Active))
+
+	for labelName, labelValue := range cronJob.Labels {
+		labelId := types.Checksum(strings.ToLower(labelName + ":" + labelValue))
+		c.Labels = append(c.Labels, Label{
+			Id:    labelId,
+			Name:  labelName,
+			Value: labelValue,
+		})
+		c.CronJobLabels = append(c.CronJobLabels, CronJobLabel{
+			CronJobId: c.Id,
+			LabelId:   labelId,
+		})
+	}
+}
+
+func (c *CronJob) Relations() []database.Relation {
+	fk := database.WithForeignKey("cron_job_id")
+
+	return []database.Relation{
+		database.HasMany(c.Labels, database.WithoutCascadeDelete()),
+		database.HasMany(c.CronJobLabels, fk),
+	}
+}

schema/mysql/schema.sql

@@ -531,3 +531,29 @@ CREATE TABLE job_label (
   label_id binary(20) NOT NULL,
   PRIMARY KEY (job_id, label_id)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
+
+CREATE TABLE cron_job (
+  id binary(20) NOT NULL,
+  namespace varchar(63) COLLATE utf8mb4_unicode_ci NOT NULL,
+  name varchar(63) COLLATE utf8mb4_unicode_ci NOT NULL,
+  uid varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL,
+  resource_version varchar(255) NOT NULL,
+  schedule varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL,
+  timezone varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL,
+  starting_deadline_seconds bigint unsigned NOT NULL,
+  concurrency_policy enum('allow', 'forbid', 'replace') COLLATE utf8mb4_unicode_ci NOT NULL,
+  suspend enum('n', 'y') COLLATE utf8mb4_unicode_ci NOT NULL,
+  active int unsigned NOT NULL,
+  successful_jobs_history_limit int unsigned NOT NULL,
+  failed_jobs_history_limit int unsigned NOT NULL,
+  last_schedule_time bigint unsigned NULL DEFAULT NULL,
+  last_successful_time bigint unsigned NULL DEFAULT NULL,
+  created bigint unsigned NOT NULL,
+  PRIMARY KEY (id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
+
+CREATE TABLE cron_job_label (
+  cron_job_id binary(20) NOT NULL,
+  label_id binary(20) NOT NULL,
+  PRIMARY KEY (cron_job_id, label_id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;