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added cron
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job for intervaled reconciling

Signed-off-by: Disaiah Bennett <[email protected]>
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@dislbenn
dislbenn committed Nov 1, 2023
1 parent b0f7b06 commit 0b4e2fe
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Showing 3 changed files with 71 additions and 2 deletions.
53 changes: 52 additions & 1 deletion controllers/backplaneconfig_controller.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@ import (
"strings"
"time"

"github.com/go-co-op/gocron"
backplanev1 "github.com/stolostron/backplane-operator/api/v1"
"github.com/stolostron/backplane-operator/pkg/foundation"
"github.com/stolostron/backplane-operator/pkg/images"
Expand Down Expand Up @@ -80,6 +81,12 @@ const (
defaultTrustBundleName = "trusted-ca-bundle"
)

var (
scheduler *gocron.Scheduler
cronResyncTag = "multiclusterengine-operator-resync"
reconciliationInterval = 10 // minutes
)

//+kubebuilder:rbac:groups=multicluster.openshift.io,resources=multiclusterengines,verbs=get;list;watch;create;update;patch;delete
//+kubebuilder:rbac:groups=multicluster.openshift.io,resources=multiclusterengines/status,verbs=get;update;patch
//+kubebuilder:rbac:groups=multicluster.openshift.io,resources=multiclusterengines/finalizers,verbs=update
Expand Down Expand Up @@ -143,6 +150,14 @@ const (
// move the current state of the cluster closer to the desired state.
func (r *MultiClusterEngineReconciler) Reconcile(ctx context.Context, req ctrl.Request) (retRes ctrl.Result, retErr error) {
log := log.FromContext(ctx)
log.Info("Reconciling MultiClusterEngine")

// Initalize sceduler instance for operator resync cronjob.
if scheduler == nil {
log.Info("Setting up scheduler for operator resync")
r.InitScheduler()
}

// Fetch the BackplaneConfig instance
backplaneConfig, err := r.getBackplaneConfig(ctx, req)
if err != nil && !apierrors.IsNotFound(err) {
Expand Down Expand Up @@ -234,7 +249,7 @@ func (r *MultiClusterEngineReconciler) Reconcile(ctx context.Context, req ctrl.R
MultiClusterEngine to avoid conflicts with the openshift-* namespace when deploying PrometheusRules and
ServiceMonitors in ACM and MCE.
*/
result, err = r.ensureOpenShiftNamespaceLabel(ctx, backplaneConfig)
_, err = r.ensureOpenShiftNamespaceLabel(ctx, backplaneConfig)
if err != nil {
log.Error(err, "Failed to add to %s label to namespace: %s", utils.OpenShiftClusterMonitoringLabel,
backplaneConfig.Spec.TargetNamespace)
Expand Down Expand Up @@ -284,6 +299,11 @@ func (r *MultiClusterEngineReconciler) Reconcile(ctx context.Context, req ctrl.R
// Do not reconcile objects if this instance of mce is labeled "paused"
if utils.IsPaused(backplaneConfig) {
log.Info("MultiClusterEngine reconciliation is paused. Nothing more to do.")
if ok := scheduler.IsRunning(); ok {
log.Info("Pausing MultiClusterEngine operator controller resync job.")
go r.StopScheduleOperatorControllerResync()
}

cond := status.NewCondition(
backplanev1.MultiClusterEngineProgressing,
metav1.ConditionUnknown,
Expand All @@ -292,6 +312,8 @@ func (r *MultiClusterEngineReconciler) Reconcile(ctx context.Context, req ctrl.R
)
r.StatusManager.AddCondition(cond)
return ctrl.Result{}, nil
} else if ok := scheduler.IsRunning(); !ok {
defer r.ScheduleOperatorControllerResync(ctx, req)
}

result, err = r.DeployAlwaysSubcomponents(ctx, backplaneConfig)
Expand Down Expand Up @@ -1262,3 +1284,32 @@ func (r *MultiClusterEngineReconciler) getClusterIngressDomain(ctx context.Conte
}
return clusterIngress.Spec.Domain, nil
}

func (r *MultiClusterEngineReconciler) InitScheduler() {
scheduler = gocron.NewScheduler(time.UTC)
}

func (r *MultiClusterEngineReconciler) ScheduleOperatorControllerResync(ctx context.Context, req ctrl.Request) {
log := log.FromContext(ctx)

if ok := scheduler.IsRunning(); !ok {
_, err := scheduler.Tag(cronResyncTag).Every(reconciliationInterval).Minutes().Do(r.Reconcile, ctx, req)

if err != nil {
log.Error(err, "failed to schedule scheduler job for operator controller resync")
} else {
log.Info(fmt.Sprintf("Starting scheduler job for operator controller. Reconciling every %v minutes",
reconciliationInterval))
scheduler.StartAsync()
}
}
}

// StopScheduleOperatorControllerResync ...
func (r *MultiClusterEngineReconciler) StopScheduleOperatorControllerResync() {
scheduler.Stop()

if ok := scheduler.IsRunning(); !ok {
r.InitScheduler()
}
}
4 changes: 3 additions & 1 deletion go.mod
View file
Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,7 @@ require (
github.com/evanphx/json-patch v5.6.0+incompatible // indirect
github.com/evanphx/json-patch/v5 v5.6.0 // indirect
github.com/fsnotify/fsnotify v1.6.0 // indirect
github.com/go-co-op/gocron v1.35.3 // indirect
github.com/go-logr/logr v1.2.4 // indirect
github.com/go-logr/zapr v1.2.4 // indirect
github.com/go-openapi/jsonpointer v0.19.6 // indirect
Expand All @@ -51,7 +52,7 @@ require (
github.com/google/go-cmp v0.5.9 // indirect
github.com/google/gofuzz v1.2.0 // indirect
github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1 // indirect
github.com/google/uuid v1.3.0 // indirect
github.com/google/uuid v1.4.0 // indirect
github.com/huandu/xstrings v1.4.0 // indirect
github.com/imdario/mergo v0.3.14 // indirect
github.com/josharian/intern v1.0.0 // indirect
Expand All @@ -68,6 +69,7 @@ require (
github.com/prometheus/client_model v0.4.0 // indirect
github.com/prometheus/common v0.42.0 // indirect
github.com/prometheus/procfs v0.9.0 // indirect
github.com/robfig/cron/v3 v3.0.1 // indirect
github.com/shopspring/decimal v1.3.1 // indirect
github.com/spf13/cast v1.5.0 // indirect
github.com/spf13/pflag v1.0.5 // indirect
Expand Down
16 changes: 16 additions & 0 deletions go.sum
View file
Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,9 @@ github.com/fsnotify/fsnotify v1.6.0 h1:n+5WquG0fcWoWp6xPWfHdbskMCQaFnG6PfBrh1Ky4
github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbSClcnxKAGw=
github.com/getkin/kin-openapi v0.76.0/go.mod h1:660oXbgy5JFMKreazJaQTw7o+X00qeSyhcnluiMv+Xg=
github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
github.com/go-co-op/gocron v1.35.3 h1:it2WjWnabS8eJZ+P68WroBe+ZWyJ3kVjRD6KXdpr5yI=
github.com/go-co-op/gocron v1.35.3/go.mod h1:3L/n6BkO7ABj+TrfSVXLRzsP26zmikL4ISkLQ0O8iNY=
github.com/go-logfmt/logfmt v0.5.1/go.mod h1:WYhtIu8zTZfxdn5+rREduYbwxfcBr/Vr6KEVveWlfTs=
github.com/go-logr/logr v0.1.0/go.mod h1:ixOQHD9gLJUVQQ2ZOR7zLEifBX6tGkNJF4QyIY7sIas=
github.com/go-logr/logr v0.2.0/go.mod h1:z6/tIYblkpsD+a4lm/fGIIU9mZ+XfAiaFtq7xTgseGU=
github.com/go-logr/logr v1.2.0/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
Expand Down Expand Up @@ -135,6 +138,8 @@ github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+
github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/google/uuid v1.4.0 h1:MtMxsa51/r9yyhkyLsVeVt0B+BGQZzpQiTQ4eHZ8bc4=
github.com/google/uuid v1.4.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/googleapis/gnostic v0.5.1/go.mod h1:6U4PtQXGIEt/Z3h5MAT7FNofLnw9vXk2cUuW7uA/OeU=
github.com/googleapis/gnostic v0.5.5/go.mod h1:7+EbHbldMins07ALC74bsA81Ovc97DwqyJO1AENw9kA=
github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
Expand All @@ -151,14 +156,17 @@ github.com/imdario/mergo v0.3.14/go.mod h1:WBLT9ZmE3lPoWsEzCh9LPo3TiwVN+ZKEjmz+h
github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX5e0EB2j4=
github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8IZAc4RVcycCCAKdM=
github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
github.com/kr/pretty v0.2.0/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
github.com/kr/pretty v0.3.0/go.mod h1:640gp4NfQd8pI5XOwp5fnNeVWj67G7CFk/SaSQn7NBk=
github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
Expand Down Expand Up @@ -188,6 +196,7 @@ github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjY
github.com/munnerz/goautoneg v0.0.0-20120707110453-a547fc61f48d/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f/go.mod h1:ZdcZmHo+o7JKHSa8/e818NopupXU1YMK5fe1lsApnBw=
github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
Expand Down Expand Up @@ -217,6 +226,7 @@ github.com/operator-framework/api v0.17.4-0.20230223191600-0131a6301e42 h1:d/Pnr
github.com/operator-framework/api v0.17.4-0.20230223191600-0131a6301e42/go.mod h1:l/cuwtPxkVUY7fzYgdust2m9tlmb8I4pOvbsUufRb24=
github.com/operator-framework/operator-lib v0.11.1-0.20230306195046-28cadc6b6055 h1:G9N8wEf9qDZ/4Fj5cbIejKUoFOYta0v72Yg8tPAdvc0=
github.com/operator-framework/operator-lib v0.11.1-0.20230306195046-28cadc6b6055/go.mod h1:A7xcxZPfdepC14FA5YyA+jpbAeD7q4awtT7mSAZntuU=
github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
Expand All @@ -233,7 +243,11 @@ github.com/prometheus/common v0.42.0 h1:EKsfXEYo4JpWMHH5cg+KOUWeuJSov1Id8zGR8eeI
github.com/prometheus/common v0.42.0/go.mod h1:xBwqVerjNdUDjgODMpudtOMwlOwf2SaTr1yjz4b7Zbc=
github.com/prometheus/procfs v0.9.0 h1:wzCHvIvM5SxWqYvwgVL7yJY8Lz3PKn49KQtpgMYJfhI=
github.com/prometheus/procfs v0.9.0/go.mod h1:+pB4zwohETzFnmlpe6yd2lSc+0/46IYZRB/chUwxUZY=
github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
github.com/rogpeppe/go-internal v1.6.1/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
github.com/rogpeppe/go-internal v1.8.1/go.mod h1:JeRgkft04UBgHMgCIwADu4Pn6Mtm5d4nPKWu0nJ5d+o=
github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=
github.com/shopspring/decimal v1.2.0/go.mod h1:DKyhrW/HYNuLGql+MJL6WCR6knT2jwCFRcu2hWCYk4o=
github.com/shopspring/decimal v1.3.1 h1:2Usl1nmF/WZucqkFZhnfFYxxxu8LG21F6nPQBE5gKV8=
Expand Down Expand Up @@ -274,6 +288,7 @@ github.com/yuin/goldmark v1.4.1/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
go.uber.org/atomic v1.10.0 h1:9qC72Qh0+3MqyJbAn8YU5xVq1frD8bn3JtD2oXtafVQ=
go.uber.org/atomic v1.10.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
go.uber.org/goleak v1.1.11/go.mod h1:cwTWslyiVhfpKIDGSZEM2HlOvcqm+tG4zioyIeLoqMQ=
Expand Down Expand Up @@ -444,6 +459,7 @@ gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8
gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
Expand Down

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