/
statefulset.go
60 lines (53 loc) · 2.66 KB
/
statefulset.go
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/*
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package etcd
import (
"context"
"fmt"
"github.com/awslabs/kubernetes-iteration-toolkit/operator/pkg/apis/controlplane/v1alpha1"
"github.com/awslabs/kubernetes-iteration-toolkit/operator/pkg/utils/object"
"github.com/awslabs/kubernetes-iteration-toolkit/operator/pkg/utils/patch"
"github.com/aws/aws-sdk-go/aws"
appsv1 "k8s.io/api/apps/v1"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func (c *Controller) reconcileStatefulSet(ctx context.Context, controlPlane *v1alpha1.ControlPlane) error {
// Generate the default pod spec for the given control plane, if user has
// provided custom config for the etcd pod spec, patch this user
// provided config to the default spec
podSpec, err := patch.PodSpec(podSpecFor(controlPlane), controlPlane.Spec.Etcd.Spec)
if err != nil {
return fmt.Errorf("failed to patch pod spec, %w", err)
}
// Generate the default volume claim template spec for the given control plane, if user has
// provided custom config for the etcd volume template spec, patch this user
// provided config to the default spec
persistentVolumeClaimSpec, err := patch.PersistentVolumeClaimSpec(DefaultPersistentVolumeClaimSpec(), controlPlane.Spec.Etcd.PersistentVolumeClaimSpec)
if err != nil {
return fmt.Errorf("failed to patch persistent volume claim spec %w", err)
}
return c.kubeClient.EnsurePatch(ctx, &appsv1.StatefulSet{}, object.WithOwner(controlPlane, &appsv1.StatefulSet{
ObjectMeta: metav1.ObjectMeta{
Name: ServiceNameFor(controlPlane.ClusterName()),
Namespace: controlPlane.Namespace,
},
Spec: appsv1.StatefulSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: labels(controlPlane.ClusterName())},
PodManagementPolicy: appsv1.ParallelPodManagement,
ServiceName: ServiceNameFor(controlPlane.ClusterName()),
Replicas: aws.Int32(int32(controlPlane.Spec.Etcd.Replicas)),
Template: v1.PodTemplateSpec{ObjectMeta: metav1.ObjectMeta{Labels: labels(controlPlane.ClusterName())}, Spec: podSpec},
VolumeClaimTemplates: []v1.PersistentVolumeClaim{{ObjectMeta: metav1.ObjectMeta{Name: "etcd-data"}, Spec: persistentVolumeClaimSpec}},
},
}))
}