mirror of
https://github.com/vmware-tanzu/velero.git
synced 2026-07-19 06:22:25 +00:00
Xun Jiang
49b670a791
Change errors.Cause to errors.Is, because github.com/cockroachdb/errors New() function create a error with error stack with depth 1, but github.com/pkg/errors's New() function create error with no depth. Signed-off-by: Xun Jiang <xun.jiang@broadcom.com>
80 lines
2.3 KiB
Go
80 lines
2.3 KiB
Go
/*
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Copyright 2020 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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"context"
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"time"
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"github.com/cockroachdb/errors"
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"k8s.io/apimachinery/pkg/util/wait"
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kbclient "sigs.k8s.io/controller-runtime/pkg/client"
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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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veleroclient "github.com/vmware-tanzu/velero/pkg/client"
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)
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type Getter interface {
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GetServerStatus(kbClient kbclient.Client) (*velerov1api.ServerStatusRequest, error)
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}
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type DefaultServerStatusGetter struct {
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Namespace string
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Context context.Context
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}
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func (g *DefaultServerStatusGetter) GetServerStatus(kbClient kbclient.Client) (*velerov1api.ServerStatusRequest, error) {
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created := builder.ForServerStatusRequest(g.Namespace, "", "0").ObjectMeta(builder.WithGenerateName("velero-cli-")).Result()
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if err := veleroclient.CreateRetryGenerateName(kbClient, context.Background(), created); err != nil {
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return nil, errors.WithStack(err)
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}
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ctx, cancel := context.WithCancel(g.Context)
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defer cancel()
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key := kbclient.ObjectKey{Name: created.Name, Namespace: g.Namespace}
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checkFunc := func() {
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updated := &velerov1api.ServerStatusRequest{}
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if err := kbClient.Get(ctx, key, updated); err != nil {
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return
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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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return
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}
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if updated.Status.Phase == velerov1api.ServerStatusRequestPhaseProcessed {
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created = updated
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cancel()
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}
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}
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wait.Until(checkFunc, 250*time.Millisecond, ctx.Done())
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err := ctx.Err()
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// context.Canceled error means we have received a processed ServerStatusRequest
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if err == context.Canceled {
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err = nil
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}
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return created, err
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}
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