mirror of
https://github.com/vmware-tanzu/velero.git
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48792ece1f
* update import paths to github.com/vmware-tanzu/... Signed-off-by: Steve Kriss <krisss@vmware.com> * update other GH org refs to vmware-tanzu Signed-off-by: Steve Kriss <krisss@vmware.com> * site and docs: update GH org to vmware-tanzu Signed-off-by: Steve Kriss <krisss@vmware.com> * update travis badge links on docs readmes Signed-off-by: Steve Kriss <krisss@vmware.com>
98 lines
2.9 KiB
Go
98 lines
2.9 KiB
Go
/*
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Copyright 2019 the Velero contributors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package serverstatus
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import (
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"time"
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"github.com/pkg/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/watch"
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velerov1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1"
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"github.com/vmware-tanzu/velero/pkg/builder"
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velerov1client "github.com/vmware-tanzu/velero/pkg/generated/clientset/versioned/typed/velero/v1"
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)
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type ServerStatusGetter interface {
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GetServerStatus(client velerov1client.ServerStatusRequestsGetter) (*velerov1api.ServerStatusRequest, error)
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}
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type DefaultServerStatusGetter struct {
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Namespace string
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Timeout time.Duration
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}
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func (g *DefaultServerStatusGetter) GetServerStatus(client velerov1client.ServerStatusRequestsGetter) (*velerov1api.ServerStatusRequest, error) {
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req := builder.ForServerStatusRequest(g.Namespace, "").
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ObjectMeta(
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builder.WithGenerateName("velero-cli-"),
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).Result()
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created, err := client.ServerStatusRequests(g.Namespace).Create(req)
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if err != nil {
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return nil, errors.WithStack(err)
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}
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defer client.ServerStatusRequests(g.Namespace).Delete(created.Name, nil)
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listOptions := metav1.ListOptions{
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// TODO: once the minimum supported Kubernetes version is v1.9.0, uncomment the following line.
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// See http://issue.k8s.io/51046 for details.
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//FieldSelector: "metadata.name=" + req.Name
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ResourceVersion: created.ResourceVersion,
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}
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watcher, err := client.ServerStatusRequests(g.Namespace).Watch(listOptions)
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if err != nil {
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return nil, errors.WithStack(err)
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}
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defer watcher.Stop()
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expired := time.NewTimer(g.Timeout)
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defer expired.Stop()
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Loop:
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for {
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select {
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case <-expired.C:
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return nil, errors.New("timed out waiting for server status request to be processed")
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case e := <-watcher.ResultChan():
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updated, ok := e.Object.(*velerov1api.ServerStatusRequest)
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if !ok {
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return nil, errors.Errorf("unexpected type %T", e.Object)
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}
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// TODO: once the minimum supported Kubernetes version is v1.9.0, remove the following check.
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// See http://issue.k8s.io/51046 for details.
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if updated.Name != created.Name {
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continue
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}
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switch e.Type {
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case watch.Deleted:
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return nil, errors.New("server status request was unexpectedly deleted")
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case watch.Modified:
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if updated.Status.Phase == velerov1api.ServerStatusRequestPhaseProcessed {
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req = updated
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break Loop
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}
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}
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}
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}
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return req, nil
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}
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