91 lines
2.6 KiB
Go
91 lines
2.6 KiB
Go
// Copyright 2020 VEXXHOST, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package builders
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import (
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appsv1 "k8s.io/api/apps/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/utils/pointer"
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"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
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)
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// StatefulSetBuilder defines the interface to build a StatefulSet
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type StatefulSetBuilder struct {
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obj *appsv1.StatefulSet
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podTemplateSpec *PodTemplateSpecBuilder
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pvcs []*PersistentVolumeClaimBuilder
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scheme *runtime.Scheme
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labels map[string]string
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owner metav1.Object
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}
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// StatefulSet returns a new StatefulSet builder
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func StatefulSet(existing *appsv1.StatefulSet, owner metav1.Object, scheme *runtime.Scheme) *StatefulSetBuilder {
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return &StatefulSetBuilder{
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obj: existing,
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labels: map[string]string{},
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owner: owner,
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scheme: scheme,
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}
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}
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// Labels specifies labels for the StatefulSet
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func (d *StatefulSetBuilder) Labels(labels map[string]string) *StatefulSetBuilder {
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d.labels = labels
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d.obj.ObjectMeta.Labels = d.labels
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return d
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}
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// Replicas defines the number of replicas
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func (d *StatefulSetBuilder) Replicas(replicas int32) *StatefulSetBuilder {
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d.obj.Spec.Replicas = pointer.Int32Ptr(replicas)
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return d
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}
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// PodTemplateSpec defines a builder for the pod template spec
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func (d *StatefulSetBuilder) PodTemplateSpec(podTemplateSpec *PodTemplateSpecBuilder) *StatefulSetBuilder {
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d.podTemplateSpec = podTemplateSpec
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return d
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}
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// PVCs defines a builder array for the PVC spec
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func (d *StatefulSetBuilder) PVCs(pvcs ...*PersistentVolumeClaimBuilder) *StatefulSetBuilder {
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d.pvcs = pvcs
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return d
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}
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// Build creates a final StatefulSet objet
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func (d *StatefulSetBuilder) Build() error {
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podTemplateSpec, err := d.podTemplateSpec.Labels(d.labels).Build()
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if err != nil {
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return err
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}
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d.obj.Spec.Template = podTemplateSpec
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for _, c := range d.pvcs {
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pvc, err := c.Build()
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if err != nil {
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return err
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}
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d.obj.Spec.VolumeClaimTemplates = append(d.obj.Spec.VolumeClaimTemplates, pvc)
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}
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return controllerutil.SetControllerReference(d.owner, d.obj, d.scheme)
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}
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