mirror of
https://github.com/vmware-tanzu/velero.git
synced 2026-01-03 11:45:20 +00:00
568 lines
18 KiB
Go
568 lines
18 KiB
Go
/*
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Copyright 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 output
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"sort"
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"strings"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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snapshotv1api "github.com/kubernetes-csi/external-snapshotter/client/v4/apis/volumesnapshot/v1"
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"github.com/fatih/color"
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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/cmd/util/downloadrequest"
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"github.com/vmware-tanzu/velero/pkg/features"
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clientset "github.com/vmware-tanzu/velero/pkg/generated/clientset/versioned"
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"github.com/vmware-tanzu/velero/pkg/volume"
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)
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// DescribeBackup describes a backup in human-readable format.
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func DescribeBackup(
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ctx context.Context,
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kbClient kbclient.Client,
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backup *velerov1api.Backup,
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deleteRequests []velerov1api.DeleteBackupRequest,
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podVolumeBackups []velerov1api.PodVolumeBackup,
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volumeSnapshotContents []snapshotv1api.VolumeSnapshotContent,
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details bool,
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veleroClient clientset.Interface,
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insecureSkipTLSVerify bool,
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caCertFile string,
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) string {
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return Describe(func(d *Describer) {
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d.DescribeMetadata(backup.ObjectMeta)
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d.Println()
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phase := backup.Status.Phase
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if phase == "" {
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phase = velerov1api.BackupPhaseNew
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}
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phaseString := string(phase)
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switch phase {
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case velerov1api.BackupPhaseFailedValidation, velerov1api.BackupPhasePartiallyFailed, velerov1api.BackupPhaseFailed:
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phaseString = color.RedString(phaseString)
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case velerov1api.BackupPhaseCompleted:
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phaseString = color.GreenString(phaseString)
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case velerov1api.BackupPhaseDeleting:
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case velerov1api.BackupPhaseInProgress:
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case velerov1api.BackupPhaseNew:
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}
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logsNote := ""
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if backup.Status.Phase == velerov1api.BackupPhaseFailed || backup.Status.Phase == velerov1api.BackupPhasePartiallyFailed {
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logsNote = fmt.Sprintf(" (run `velero backup logs %s` for more information)", backup.Name)
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}
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d.Printf("Phase:\t%s%s\n", phaseString, logsNote)
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status := backup.Status
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if len(status.ValidationErrors) > 0 {
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d.Println()
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d.Printf("Validation errors:")
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for _, ve := range status.ValidationErrors {
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d.Printf("\t%s\n", color.RedString(ve))
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}
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}
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d.Println()
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d.Printf("Errors:\t%d\n", status.Errors)
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d.Printf("Warnings:\t%d\n", status.Warnings)
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d.Println()
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DescribeBackupSpec(d, backup.Spec)
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d.Println()
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DescribeBackupStatus(ctx, kbClient, d, backup, details, veleroClient, insecureSkipTLSVerify, caCertFile)
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if len(deleteRequests) > 0 {
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d.Println()
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DescribeDeleteBackupRequests(d, deleteRequests)
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}
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if features.IsEnabled(velerov1api.CSIFeatureFlag) {
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d.Println()
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DescribeCSIVolumeSnapshots(d, details, volumeSnapshotContents)
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}
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if len(podVolumeBackups) > 0 {
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d.Println()
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DescribePodVolumeBackups(d, podVolumeBackups, details)
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}
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})
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}
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// DescribeBackupSpec describes a backup spec in human-readable format.
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func DescribeBackupSpec(d *Describer, spec velerov1api.BackupSpec) {
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// TODO make a helper for this and use it in all the describers.
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d.Printf("Namespaces:\n")
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var s string
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if len(spec.IncludedNamespaces) == 0 {
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s = "*"
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} else {
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s = strings.Join(spec.IncludedNamespaces, ", ")
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}
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d.Printf("\tIncluded:\t%s\n", s)
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if len(spec.ExcludedNamespaces) == 0 {
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s = emptyDisplay
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} else {
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s = strings.Join(spec.ExcludedNamespaces, ", ")
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}
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d.Printf("\tExcluded:\t%s\n", s)
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d.Println()
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d.Printf("Resources:\n")
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if len(spec.IncludedResources) == 0 {
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s = "*"
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} else {
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s = strings.Join(spec.IncludedResources, ", ")
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}
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d.Printf("\tIncluded:\t%s\n", s)
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if len(spec.ExcludedResources) == 0 {
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s = emptyDisplay
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} else {
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s = strings.Join(spec.ExcludedResources, ", ")
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}
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d.Printf("\tExcluded:\t%s\n", s)
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d.Printf("\tCluster-scoped:\t%s\n", BoolPointerString(spec.IncludeClusterResources, "excluded", "included", "auto"))
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d.Println()
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s = emptyDisplay
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if spec.LabelSelector != nil {
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s = metav1.FormatLabelSelector(spec.LabelSelector)
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}
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d.Printf("Label selector:\t%s\n", s)
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d.Println()
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d.Printf("Storage Location:\t%s\n", spec.StorageLocation)
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d.Println()
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d.Printf("Velero-Native Snapshot PVs:\t%s\n", BoolPointerString(spec.SnapshotVolumes, "false", "true", "auto"))
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d.Println()
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d.Printf("TTL:\t%s\n", spec.TTL.Duration)
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d.Println()
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d.Printf("CSISnapshotTimeout:\t%s\n", spec.CSISnapshotTimeout.Duration)
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d.Println()
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if len(spec.Hooks.Resources) == 0 {
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d.Printf("Hooks:\t" + emptyDisplay + "\n")
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} else {
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d.Printf("Hooks:\n")
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d.Printf("\tResources:\n")
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for _, backupResourceHookSpec := range spec.Hooks.Resources {
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d.Printf("\t\t%s:\n", backupResourceHookSpec.Name)
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d.Printf("\t\t\tNamespaces:\n")
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var s string
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if len(spec.IncludedNamespaces) == 0 {
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s = "*"
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} else {
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s = strings.Join(spec.IncludedNamespaces, ", ")
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}
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d.Printf("\t\t\t\tIncluded:\t%s\n", s)
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if len(spec.ExcludedNamespaces) == 0 {
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s = emptyDisplay
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} else {
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s = strings.Join(spec.ExcludedNamespaces, ", ")
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}
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d.Printf("\t\t\t\tExcluded:\t%s\n", s)
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d.Println()
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d.Printf("\t\t\tResources:\n")
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if len(spec.IncludedResources) == 0 {
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s = "*"
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} else {
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s = strings.Join(spec.IncludedResources, ", ")
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}
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d.Printf("\t\t\t\tIncluded:\t%s\n", s)
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if len(spec.ExcludedResources) == 0 {
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s = emptyDisplay
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} else {
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s = strings.Join(spec.ExcludedResources, ", ")
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}
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d.Printf("\t\t\t\tExcluded:\t%s\n", s)
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d.Println()
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s = emptyDisplay
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if backupResourceHookSpec.LabelSelector != nil {
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s = metav1.FormatLabelSelector(backupResourceHookSpec.LabelSelector)
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}
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d.Printf("\t\t\tLabel selector:\t%s\n", s)
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for _, hook := range backupResourceHookSpec.PreHooks {
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if hook.Exec != nil {
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d.Println()
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d.Printf("\t\t\tPre Exec Hook:\n")
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d.Printf("\t\t\t\tContainer:\t%s\n", hook.Exec.Container)
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d.Printf("\t\t\t\tCommand:\t%s\n", strings.Join(hook.Exec.Command, " "))
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d.Printf("\t\t\t\tOn Error:\t%s\n", hook.Exec.OnError)
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d.Printf("\t\t\t\tTimeout:\t%s\n", hook.Exec.Timeout.Duration)
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}
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}
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for _, hook := range backupResourceHookSpec.PostHooks {
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if hook.Exec != nil {
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d.Println()
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d.Printf("\t\t\tPost Exec Hook:\n")
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d.Printf("\t\t\t\tContainer:\t%s\n", hook.Exec.Container)
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d.Printf("\t\t\t\tCommand:\t%s\n", strings.Join(hook.Exec.Command, " "))
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d.Printf("\t\t\t\tOn Error:\t%s\n", hook.Exec.OnError)
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d.Printf("\t\t\t\tTimeout:\t%s\n", hook.Exec.Timeout.Duration)
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}
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}
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}
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}
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if spec.OrderedResources != nil {
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d.Println()
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d.Printf("OrderedResources:\n")
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for key, value := range spec.OrderedResources {
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d.Printf("\t%s: %s\n", key, value)
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}
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}
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}
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// DescribeBackupStatus describes a backup status in human-readable format.
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func DescribeBackupStatus(ctx context.Context, kbClient kbclient.Client, d *Describer, backup *velerov1api.Backup, details bool, veleroClient clientset.Interface, insecureSkipTLSVerify bool, caCertPath string) {
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status := backup.Status
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// Status.Version has been deprecated, use Status.FormatVersion
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d.Printf("Backup Format Version:\t%s\n", status.FormatVersion)
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d.Println()
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// "<n/a>" output should only be applicable for backups that failed validation
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if status.StartTimestamp == nil || status.StartTimestamp.Time.IsZero() {
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d.Printf("Started:\t%s\n", "<n/a>")
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} else {
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d.Printf("Started:\t%s\n", status.StartTimestamp.Time)
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}
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if status.CompletionTimestamp == nil || status.CompletionTimestamp.Time.IsZero() {
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d.Printf("Completed:\t%s\n", "<n/a>")
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} else {
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d.Printf("Completed:\t%s\n", status.CompletionTimestamp.Time)
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}
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d.Println()
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// Expiration can't be 0, it is always set to a 30-day default. It can be nil
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// if the controller hasn't processed this Backup yet, in which case this will
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// just display `<nil>`, though this should be temporary.
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d.Printf("Expiration:\t%s\n", status.Expiration)
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d.Println()
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if backup.Status.Progress != nil {
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if backup.Status.Phase == velerov1api.BackupPhaseInProgress {
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d.Printf("Estimated total items to be backed up:\t%d\n", backup.Status.Progress.TotalItems)
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d.Printf("Items backed up so far:\t%d\n", backup.Status.Progress.ItemsBackedUp)
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} else {
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d.Printf("Total items to be backed up:\t%d\n", backup.Status.Progress.TotalItems)
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d.Printf("Items backed up:\t%d\n", backup.Status.Progress.ItemsBackedUp)
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}
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d.Println()
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}
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if details {
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describeBackupResourceList(ctx, kbClient, d, backup, insecureSkipTLSVerify, caCertPath)
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d.Println()
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}
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if status.VolumeSnapshotsAttempted > 0 {
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if !details {
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d.Printf("Velero-Native Snapshots:\t%d of %d snapshots completed successfully (specify --details for more information)\n", status.VolumeSnapshotsCompleted, status.VolumeSnapshotsAttempted)
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return
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}
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buf := new(bytes.Buffer)
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if err := downloadrequest.Stream(ctx, kbClient, backup.Namespace, backup.Name, velerov1api.DownloadTargetKindBackupVolumeSnapshots, buf, downloadRequestTimeout, insecureSkipTLSVerify, caCertPath); err != nil {
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d.Printf("Velero-Native Snapshots:\t<error getting snapshot info: %v>\n", err)
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return
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}
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var snapshots []*volume.Snapshot
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if err := json.NewDecoder(buf).Decode(&snapshots); err != nil {
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d.Printf("Velero-Native Snapshots:\t<error reading snapshot info: %v>\n", err)
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return
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}
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d.Printf("Velero-Native Snapshots:\n")
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for _, snap := range snapshots {
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describeSnapshot(d, snap.Spec.PersistentVolumeName, snap.Status.ProviderSnapshotID, snap.Spec.VolumeType, snap.Spec.VolumeAZ, snap.Spec.VolumeIOPS)
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}
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return
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}
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d.Printf("Velero-Native Snapshots: <none included>\n")
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}
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func describeBackupResourceList(ctx context.Context, kbClient kbclient.Client, d *Describer, backup *velerov1api.Backup, insecureSkipTLSVerify bool, caCertPath string) {
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buf := new(bytes.Buffer)
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if err := downloadrequest.Stream(ctx, kbClient, backup.Namespace, backup.Name, velerov1api.DownloadTargetKindBackupResourceList, buf, downloadRequestTimeout, insecureSkipTLSVerify, caCertPath); err != nil {
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if err == downloadrequest.ErrNotFound {
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// the backup resource list could be missing if (other reasons may exist as well):
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// - the backup was taken prior to v1.1; or
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// - the backup hasn't completed yet; or
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// - there was an error uploading the file; or
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// - the file was manually deleted after upload
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d.Println("Resource List:\t<backup resource list not found>")
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} else {
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d.Printf("Resource List:\t<error getting backup resource list: %v>\n", err)
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}
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return
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}
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var resourceList map[string][]string
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if err := json.NewDecoder(buf).Decode(&resourceList); err != nil {
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d.Printf("Resource List:\t<error reading backup resource list: %v>\n", err)
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return
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}
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d.Println("Resource List:")
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// Sort GVKs in output
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gvks := make([]string, 0, len(resourceList))
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for gvk := range resourceList {
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gvks = append(gvks, gvk)
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}
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sort.Strings(gvks)
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for _, gvk := range gvks {
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d.Printf("\t%s:\n\t\t- %s\n", gvk, strings.Join(resourceList[gvk], "\n\t\t- "))
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}
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}
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func describeSnapshot(d *Describer, pvName, snapshotID, volumeType, volumeAZ string, iops *int64) {
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d.Printf("\t%s:\n", pvName)
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d.Printf("\t\tSnapshot ID:\t%s\n", snapshotID)
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d.Printf("\t\tType:\t%s\n", volumeType)
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d.Printf("\t\tAvailability Zone:\t%s\n", volumeAZ)
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iopsString := "<N/A>"
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if iops != nil {
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iopsString = fmt.Sprintf("%d", *iops)
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}
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d.Printf("\t\tIOPS:\t%s\n", iopsString)
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}
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// DescribeDeleteBackupRequests describes delete backup requests in human-readable format.
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func DescribeDeleteBackupRequests(d *Describer, requests []velerov1api.DeleteBackupRequest) {
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d.Printf("Deletion Attempts")
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if count := failedDeletionCount(requests); count > 0 {
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d.Printf(" (%d failed)", count)
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}
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d.Println(":")
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started := false
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for _, req := range requests {
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if !started {
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started = true
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} else {
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d.Println()
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}
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d.Printf("\t%s: %s\n", req.CreationTimestamp.String(), req.Status.Phase)
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if len(req.Status.Errors) > 0 {
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d.Printf("\tErrors:\n")
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for _, err := range req.Status.Errors {
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d.Printf("\t\t%s\n", err)
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}
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}
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}
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}
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func failedDeletionCount(requests []velerov1api.DeleteBackupRequest) int {
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var count int
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for _, req := range requests {
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if req.Status.Phase == velerov1api.DeleteBackupRequestPhaseProcessed && len(req.Status.Errors) > 0 {
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count++
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}
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}
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return count
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}
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// DescribePodVolumeBackups describes pod volume backups in human-readable format.
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func DescribePodVolumeBackups(d *Describer, backups []velerov1api.PodVolumeBackup, details bool) {
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// Get the type of pod volume uploader. Since the uploader only comes from a single source, we can
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// take the uploader type from the first element of the array.
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var uploaderType string
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if len(backups) > 0 {
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uploaderType = backups[0].Spec.UploaderType
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} else {
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return
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}
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if details {
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d.Printf("%s Backups:\n", uploaderType)
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} else {
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d.Printf("%s Backups (specify --details for more information):\n", uploaderType)
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}
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// separate backups by phase (combining <none> and New into a single group)
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backupsByPhase := groupByPhase(backups)
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// go through phases in a specific order
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for _, phase := range []string{
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string(velerov1api.PodVolumeBackupPhaseCompleted),
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string(velerov1api.PodVolumeBackupPhaseFailed),
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"In Progress",
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string(velerov1api.PodVolumeBackupPhaseNew),
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} {
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if len(backupsByPhase[phase]) == 0 {
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continue
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}
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// if we're not printing details, just report the phase and count
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if !details {
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d.Printf("\t%s:\t%d\n", phase, len(backupsByPhase[phase]))
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continue
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}
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// group the backups in the current phase by pod (i.e. "ns/name")
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backupsByPod := new(volumesByPod)
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for _, backup := range backupsByPhase[phase] {
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backupsByPod.Add(backup.Spec.Pod.Namespace, backup.Spec.Pod.Name, backup.Spec.Volume, phase, backup.Status.Progress)
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}
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d.Printf("\t%s:\n", phase)
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for _, backupGroup := range backupsByPod.Sorted() {
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sort.Strings(backupGroup.volumes)
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// print volumes backed up for this pod
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d.Printf("\t\t%s: %s\n", backupGroup.label, strings.Join(backupGroup.volumes, ", "))
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}
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}
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}
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func groupByPhase(backups []velerov1api.PodVolumeBackup) map[string][]velerov1api.PodVolumeBackup {
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backupsByPhase := make(map[string][]velerov1api.PodVolumeBackup)
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phaseToGroup := map[velerov1api.PodVolumeBackupPhase]string{
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velerov1api.PodVolumeBackupPhaseCompleted: string(velerov1api.PodVolumeBackupPhaseCompleted),
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|
velerov1api.PodVolumeBackupPhaseFailed: string(velerov1api.PodVolumeBackupPhaseFailed),
|
|
velerov1api.PodVolumeBackupPhaseInProgress: "In Progress",
|
|
velerov1api.PodVolumeBackupPhaseNew: string(velerov1api.PodVolumeBackupPhaseNew),
|
|
"": string(velerov1api.PodVolumeBackupPhaseNew),
|
|
}
|
|
|
|
for _, backup := range backups {
|
|
group := phaseToGroup[backup.Status.Phase]
|
|
backupsByPhase[group] = append(backupsByPhase[group], backup)
|
|
}
|
|
|
|
return backupsByPhase
|
|
}
|
|
|
|
type podVolumeGroup struct {
|
|
label string
|
|
volumes []string
|
|
}
|
|
|
|
// volumesByPod stores podVolumeGroups, where the grouping
|
|
// label is "namespace/name".
|
|
type volumesByPod struct {
|
|
volumesByPodMap map[string]*podVolumeGroup
|
|
volumesByPodSlice []*podVolumeGroup
|
|
}
|
|
|
|
// Add adds a pod volume with the specified pod namespace, name
|
|
// and volume to the appropriate group.
|
|
func (v *volumesByPod) Add(namespace, name, volume, phase string, progress velerov1api.PodVolumeOperationProgress) {
|
|
if v.volumesByPodMap == nil {
|
|
v.volumesByPodMap = make(map[string]*podVolumeGroup)
|
|
}
|
|
|
|
key := fmt.Sprintf("%s/%s", namespace, name)
|
|
|
|
// append backup progress percentage if backup is in progress
|
|
if phase == "In Progress" && progress.TotalBytes != 0 {
|
|
volume = fmt.Sprintf("%s (%.2f%%)", volume, float64(progress.BytesDone)/float64(progress.TotalBytes)*100)
|
|
}
|
|
|
|
if group, ok := v.volumesByPodMap[key]; !ok {
|
|
group := &podVolumeGroup{
|
|
label: key,
|
|
volumes: []string{volume},
|
|
}
|
|
|
|
v.volumesByPodMap[key] = group
|
|
v.volumesByPodSlice = append(v.volumesByPodSlice, group)
|
|
} else {
|
|
group.volumes = append(group.volumes, volume)
|
|
}
|
|
}
|
|
|
|
// Sorted returns a slice of all pod volume groups, ordered by
|
|
// label.
|
|
func (v *volumesByPod) Sorted() []*podVolumeGroup {
|
|
sort.Slice(v.volumesByPodSlice, func(i, j int) bool {
|
|
return v.volumesByPodSlice[i].label <= v.volumesByPodSlice[j].label
|
|
})
|
|
|
|
return v.volumesByPodSlice
|
|
}
|
|
|
|
func DescribeCSIVolumeSnapshots(d *Describer, details bool, volumeSnapshotContents []snapshotv1api.VolumeSnapshotContent) {
|
|
if !features.IsEnabled(velerov1api.CSIFeatureFlag) {
|
|
return
|
|
}
|
|
|
|
if len(volumeSnapshotContents) == 0 {
|
|
d.Printf("CSI Volume Snapshots: <none included>\n")
|
|
return
|
|
}
|
|
|
|
if !details {
|
|
d.Printf("CSI Volume Snapshots:\t%d included (specify --details for more information)\n", len(volumeSnapshotContents))
|
|
return
|
|
}
|
|
|
|
d.Printf("CSI Volume Snapshots:\n")
|
|
|
|
for _, vsc := range volumeSnapshotContents {
|
|
DescribeVSC(d, details, vsc)
|
|
}
|
|
}
|
|
|
|
func DescribeVSC(d *Describer, details bool, vsc snapshotv1api.VolumeSnapshotContent) {
|
|
if vsc.Status == nil {
|
|
d.Printf("Volume Snapshot Content %s cannot be described because its status is nil\n", vsc.Name)
|
|
return
|
|
}
|
|
|
|
d.Printf("Snapshot Content Name: %s\n", vsc.Name)
|
|
|
|
if vsc.Status.SnapshotHandle != nil {
|
|
d.Printf("\tStorage Snapshot ID: %s\n", *vsc.Status.SnapshotHandle)
|
|
}
|
|
|
|
if vsc.Status.RestoreSize != nil {
|
|
d.Printf("\tSnapshot Size (bytes): %d\n", *vsc.Status.RestoreSize)
|
|
}
|
|
|
|
if vsc.Status.ReadyToUse != nil {
|
|
d.Printf("\tReady to use: %t\n", *vsc.Status.ReadyToUse)
|
|
}
|
|
}
|