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sync.go
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sync.go
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package scyllacluster
import (
"context"
"fmt"
"time"
scyllav1 "github.com/scylladb/scylla-operator/pkg/api/scylla/v1"
"github.com/scylladb/scylla-operator/pkg/controllerhelpers"
"github.com/scylladb/scylla-operator/pkg/features"
"github.com/scylladb/scylla-operator/pkg/naming"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
networkingv1 "k8s.io/api/networking/v1"
policyv1 "k8s.io/api/policy/v1"
rbacv1 "k8s.io/api/rbac/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
utilerrors "k8s.io/apimachinery/pkg/util/errors"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/client-go/tools/cache"
"k8s.io/klog/v2"
)
func (scc *Controller) sync(ctx context.Context, key string) error {
namespace, name, err := cache.SplitMetaNamespaceKey(key)
if err != nil {
klog.ErrorS(err, "Failed to split meta namespace cache key", "cacheKey", key)
return err
}
startTime := time.Now()
klog.V(4).InfoS("Started syncing ScyllaCluster", "ScyllaCluster", klog.KRef(namespace, name), "startTime", startTime)
defer func() {
klog.V(4).InfoS("Finished syncing ScyllaCluster", "ScyllaCluster", klog.KRef(namespace, name), "duration", time.Since(startTime))
}()
sc, err := scc.scyllaLister.ScyllaClusters(namespace).Get(name)
if errors.IsNotFound(err) {
klog.V(2).InfoS("ScyllaCluster has been deleted", "ScyllaCluster", klog.KObj(sc))
return nil
}
if err != nil {
return err
}
scSelector := labels.SelectorFromSet(labels.Set{
naming.ClusterNameLabel: sc.Name,
})
type CT = *scyllav1.ScyllaCluster
var objectErrs []error
statefulSetMap, err := controllerhelpers.GetObjects[CT, *appsv1.StatefulSet](
ctx,
sc,
scyllaClusterControllerGVK,
scSelector,
controllerhelpers.ControlleeManagerGetObjectsFuncs[CT, *appsv1.StatefulSet]{
GetControllerUncachedFunc: scc.scyllaClient.ScyllaClusters(sc.Namespace).Get,
ListObjectsFunc: scc.statefulSetLister.StatefulSets(sc.Namespace).List,
PatchObjectFunc: scc.kubeClient.AppsV1().StatefulSets(sc.Namespace).Patch,
},
)
if err != nil {
objectErrs = append(objectErrs, err)
}
serviceMap, err := controllerhelpers.GetObjects[CT, *corev1.Service](
ctx,
sc,
scyllaClusterControllerGVK,
scSelector,
controllerhelpers.ControlleeManagerGetObjectsFuncs[CT, *corev1.Service]{
GetControllerUncachedFunc: scc.scyllaClient.ScyllaClusters(sc.Namespace).Get,
ListObjectsFunc: scc.serviceLister.Services(sc.Namespace).List,
PatchObjectFunc: scc.kubeClient.CoreV1().Services(sc.Namespace).Patch,
},
)
if err != nil {
objectErrs = append(objectErrs, err)
}
secretMap, err := controllerhelpers.GetObjects[CT, *corev1.Secret](
ctx,
sc,
scyllaClusterControllerGVK,
scSelector,
controllerhelpers.ControlleeManagerGetObjectsFuncs[CT, *corev1.Secret]{
GetControllerUncachedFunc: scc.scyllaClient.ScyllaClusters(sc.Namespace).Get,
ListObjectsFunc: scc.secretLister.Secrets(sc.Namespace).List,
PatchObjectFunc: scc.kubeClient.CoreV1().Secrets(sc.Namespace).Patch,
},
)
if err != nil {
objectErrs = append(objectErrs, err)
}
configMapMap, err := controllerhelpers.GetObjects[CT, *corev1.ConfigMap](
ctx,
sc,
scyllaClusterControllerGVK,
scSelector,
controllerhelpers.ControlleeManagerGetObjectsFuncs[CT, *corev1.ConfigMap]{
GetControllerUncachedFunc: scc.scyllaClient.ScyllaClusters(sc.Namespace).Get,
ListObjectsFunc: scc.configMapLister.ConfigMaps(sc.Namespace).List,
PatchObjectFunc: scc.kubeClient.CoreV1().ConfigMaps(sc.Namespace).Patch,
},
)
if err != nil {
objectErrs = append(objectErrs, err)
}
serviceAccounts, err := controllerhelpers.GetObjects[CT, *corev1.ServiceAccount](
ctx,
sc,
scyllaClusterControllerGVK,
scSelector,
controllerhelpers.ControlleeManagerGetObjectsFuncs[CT, *corev1.ServiceAccount]{
GetControllerUncachedFunc: scc.scyllaClient.ScyllaClusters(sc.Namespace).Get,
ListObjectsFunc: scc.serviceAccountLister.ServiceAccounts(sc.Namespace).List,
PatchObjectFunc: scc.kubeClient.CoreV1().ServiceAccounts(sc.Namespace).Patch,
},
)
if err != nil {
objectErrs = append(objectErrs, err)
}
roleBindings, err := controllerhelpers.GetObjects[CT, *rbacv1.RoleBinding](
ctx,
sc,
scyllaClusterControllerGVK,
scSelector,
controllerhelpers.ControlleeManagerGetObjectsFuncs[CT, *rbacv1.RoleBinding]{
GetControllerUncachedFunc: scc.scyllaClient.ScyllaClusters(sc.Namespace).Get,
ListObjectsFunc: scc.roleBindingLister.RoleBindings(sc.Namespace).List,
PatchObjectFunc: scc.kubeClient.RbacV1().RoleBindings(sc.Namespace).Patch,
},
)
if err != nil {
objectErrs = append(objectErrs, err)
}
pdbMap, err := controllerhelpers.GetObjects[CT, *policyv1.PodDisruptionBudget](
ctx,
sc,
scyllaClusterControllerGVK,
scSelector,
controllerhelpers.ControlleeManagerGetObjectsFuncs[CT, *policyv1.PodDisruptionBudget]{
GetControllerUncachedFunc: scc.scyllaClient.ScyllaClusters(sc.Namespace).Get,
ListObjectsFunc: scc.pdbLister.PodDisruptionBudgets(sc.Namespace).List,
PatchObjectFunc: scc.kubeClient.PolicyV1().PodDisruptionBudgets(sc.Namespace).Patch,
},
)
if err != nil {
objectErrs = append(objectErrs, err)
}
ingressMap, err := controllerhelpers.GetObjects[CT, *networkingv1.Ingress](
ctx,
sc,
scyllaClusterControllerGVK,
scSelector,
controllerhelpers.ControlleeManagerGetObjectsFuncs[CT, *networkingv1.Ingress]{
GetControllerUncachedFunc: scc.scyllaClient.ScyllaClusters(sc.Namespace).Get,
ListObjectsFunc: scc.ingressLister.Ingresses(sc.Namespace).List,
PatchObjectFunc: scc.kubeClient.NetworkingV1().Ingresses(sc.Namespace).Patch,
},
)
if err != nil {
objectErrs = append(objectErrs, err)
}
objectErr := utilerrors.NewAggregate(objectErrs)
if objectErr != nil {
return objectErr
}
status := scc.calculateStatus(sc, statefulSetMap, serviceMap)
if sc.DeletionTimestamp != nil {
return scc.updateStatus(ctx, sc, status)
}
var errs []error
err = controllerhelpers.RunSync(
&status.Conditions,
serviceAccountControllerProgressingCondition,
serviceAccountControllerDegradedCondition,
sc.Generation,
func() ([]metav1.Condition, error) {
return scc.syncServiceAccounts(ctx, sc, serviceAccounts)
},
)
if err != nil {
errs = append(errs, fmt.Errorf("can't sync service accounts: %w", err))
}
err = controllerhelpers.RunSync(
&status.Conditions,
roleBindingControllerProgressingCondition,
roleBindingControllerDegradedCondition,
sc.Generation,
func() ([]metav1.Condition, error) {
return scc.syncRoleBindings(ctx, sc, roleBindings)
},
)
if err != nil {
errs = append(errs, fmt.Errorf("can't sync role bindings: %w", err))
}
err = controllerhelpers.RunSync(
&status.Conditions,
agentTokenControllerProgressingCondition,
agentTokenControllerDegradedCondition,
sc.Generation,
func() ([]metav1.Condition, error) {
return scc.syncAgentToken(ctx, sc, secretMap)
},
)
if err != nil {
errs = append(errs, fmt.Errorf("can't sync agent token: %w", err))
}
if utilfeature.DefaultMutableFeatureGate.Enabled(features.AutomaticTLSCertificates) {
err = controllerhelpers.RunSync(
&status.Conditions,
certControllerProgressingCondition,
certControllerDegradedCondition,
sc.Generation,
func() ([]metav1.Condition, error) {
return scc.syncCerts(ctx, sc, secretMap, configMapMap, serviceMap)
},
)
if err != nil {
errs = append(errs, fmt.Errorf("can't sync certificates: %w", err))
}
}
err = controllerhelpers.RunSync(
&status.Conditions,
statefulSetControllerProgressingCondition,
statefulSetControllerDegradedCondition,
sc.Generation,
func() ([]metav1.Condition, error) {
return scc.syncStatefulSets(ctx, key, sc, status, statefulSetMap, serviceMap)
},
)
if err != nil {
errs = append(errs, fmt.Errorf("can't sync stateful sets: %w", err))
}
// Ideally, this would be projected in calculateStatus but because we are updating the status based on applied
// StatefulSets, the rack status can change afterwards. Overtime we should consider adding a status.progressing
// field (to allow determining cluster status without conditions) and wait for the status to be updated
// in a single place, on the next resync.
scc.setStatefulSetsAvailableStatusCondition(sc, status)
err = controllerhelpers.RunSync(
&status.Conditions,
serviceControllerProgressingCondition,
serviceControllerDegradedCondition,
sc.Generation,
func() ([]metav1.Condition, error) {
return scc.syncServices(ctx, sc, status, serviceMap, statefulSetMap)
},
)
if err != nil {
errs = append(errs, fmt.Errorf("can't sync services: %w", err))
}
err = controllerhelpers.RunSync(
&status.Conditions,
pdbControllerProgressingCondition,
pdbControllerDegradedCondition,
sc.Generation,
func() ([]metav1.Condition, error) {
return scc.syncPodDisruptionBudgets(ctx, sc, pdbMap)
},
)
if err != nil {
errs = append(errs, fmt.Errorf("can't sync pdbs: %w", err))
}
err = controllerhelpers.RunSync(
&status.Conditions,
ingressControllerProgressingCondition,
ingressControllerDegradedCondition,
sc.Generation,
func() ([]metav1.Condition, error) {
return scc.syncIngresses(ctx, sc, ingressMap, serviceMap)
},
)
if err != nil {
errs = append(errs, fmt.Errorf("can't sync ingresses: %w", err))
}
// Aggregate conditions.
err = controllerhelpers.SetAggregatedWorkloadConditions(&status.Conditions, sc.Generation)
if err != nil {
errs = append(errs, fmt.Errorf("can't aggregate workload conditions: %w", err))
} else {
err = scc.updateStatus(ctx, sc, status)
errs = append(errs, err)
}
return utilerrors.NewAggregate(errs)
}