forked from Altinity/clickhouse-operator
/
volumes.go
77 lines (65 loc) · 2.52 KB
/
volumes.go
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// Copyright 2019 Altinity Ltd and/or its affiliates. All rights reserved.
//
// 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 chi
import (
"k8s.io/api/core/v1"
log "github.com/squids-io/clickhouse-operator/pkg/announcer"
chop "github.com/squids-io/clickhouse-operator/pkg/apis/clickhouse.altinity.com/v1"
chopmodel "github.com/squids-io/clickhouse-operator/pkg/model"
)
func (c *Controller) walkPVCs(host *chop.ChiHost, f func(pvc *v1.PersistentVolumeClaim)) {
namespace := host.Address.Namespace
name := chopmodel.CreatePodName(host)
pod, err := c.kubeClient.CoreV1().Pods(namespace).Get(newContext(), name, newGetOptions())
if err != nil {
log.M(host).A().Error("FAIL get pod for host %s/%s err:%v", namespace, host.Name, err)
return
}
for i := range pod.Spec.Volumes {
volume := &pod.Spec.Volumes[i]
if volume.PersistentVolumeClaim == nil {
continue
}
pvcName := volume.PersistentVolumeClaim.ClaimName
pvc, err := c.kubeClient.CoreV1().PersistentVolumeClaims(namespace).Get(newContext(), pvcName, newGetOptions())
if err != nil {
log.M(host).A().Error("FAIL get PVC %s/%s err:%v", namespace, pvcName, err)
continue
}
f(pvc)
}
}
func (c *Controller) walkDiscoveredPVCs(host *chop.ChiHost, f func(pvc *v1.PersistentVolumeClaim)) {
namespace := host.Address.Namespace
pvcList, err := c.kubeClient.CoreV1().PersistentVolumeClaims(namespace).List(newContext(), newListOptions(chopmodel.GetSelectorHostScope(host)))
if err != nil {
log.M(host).A().Error("FAIL get list of PVC for host %s/%s err:%v", namespace, host.Name, err)
return
}
for i := range pvcList.Items {
// Convenience wrapper
pvc := &pvcList.Items[i]
f(pvc)
}
}
func (c *Controller) walkPVs(host *chop.ChiHost, f func(pv *v1.PersistentVolume)) {
c.walkPVCs(host, func(pvc *v1.PersistentVolumeClaim) {
pv, err := c.kubeClient.CoreV1().PersistentVolumes().Get(newContext(), pvc.Spec.VolumeName, newGetOptions())
if err != nil {
log.M(host).A().Error("FAIL get PV %s err:%v", pvc.Spec.VolumeName, err)
return
}
f(pv)
})
}