144 lines
4.5 KiB
Go
144 lines
4.5 KiB
Go
/*
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Copyright 2017 Heptio Inc.
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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 restore
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import (
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"fmt"
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"time"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"github.com/spf13/pflag"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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api "github.com/heptio/ark/pkg/apis/ark/v1"
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"github.com/heptio/ark/pkg/client"
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"github.com/heptio/ark/pkg/cmd"
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"github.com/heptio/ark/pkg/cmd/util/flag"
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"github.com/heptio/ark/pkg/cmd/util/output"
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)
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func NewCreateCommand(f client.Factory) *cobra.Command {
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o := NewCreateOptions()
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c := &cobra.Command{
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Use: "create BACKUP",
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Short: "Create a restore",
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Run: func(c *cobra.Command, args []string) {
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cmd.CheckError(o.Validate(c, args))
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cmd.CheckError(o.Complete(args))
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cmd.CheckError(o.Run(c, f))
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},
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}
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o.BindFlags(c.Flags())
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output.BindFlags(c.Flags())
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output.ClearOutputFlagDefault(c)
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return c
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}
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type CreateOptions struct {
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BackupName string
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RestoreVolumes flag.OptionalBool
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Labels flag.Map
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IncludeNamespaces flag.StringArray
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ExcludeNamespaces flag.StringArray
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IncludeResources flag.StringArray
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ExcludeResources flag.StringArray
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NamespaceMappings flag.Map
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Selector flag.LabelSelector
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}
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func NewCreateOptions() *CreateOptions {
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return &CreateOptions{
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Labels: flag.NewMap(),
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IncludeNamespaces: flag.NewStringArray("*"),
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NamespaceMappings: flag.NewMap().WithEntryDelimiter(",").WithKeyValueDelimiter(":"),
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RestoreVolumes: flag.NewOptionalBool(nil),
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}
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}
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func (o *CreateOptions) BindFlags(flags *pflag.FlagSet) {
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flags.Var(&o.IncludeNamespaces, "include-namespaces", "namespaces to include in the restore (use '*' for all namespaces)")
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flags.Var(&o.ExcludeNamespaces, "exclude-namespaces", "namespaces to exclude from the restore")
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flags.Var(&o.NamespaceMappings, "namespace-mappings", "namespace mappings from name in the backup to desired restored name in the form src1:dst1,src2:dst2,...")
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flags.Var(&o.Labels, "labels", "labels to apply to the restore")
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flags.Var(&o.IncludeResources, "include-resources", "resources to include in the restore, formatted as resource.group, such as storageclasses.storage.k8s.io (use '*' for all resources)")
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flags.Var(&o.ExcludeResources, "exclude-resources", "resources to exclude from the restore, formatted as resource.group, such as storageclasses.storage.k8s.io")
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flags.VarP(&o.Selector, "selector", "l", "only restore resources matching this label selector")
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f := flags.VarPF(&o.RestoreVolumes, "restore-volumes", "", "whether to restore volumes from snapshots")
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// this allows the user to just specify "--restore-volumes" as shorthand for "--restore-volumes=true"
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// like a normal bool flag
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f.NoOptDefVal = "true"
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}
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func (o *CreateOptions) Validate(c *cobra.Command, args []string) error {
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if len(args) != 1 {
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return errors.New("you must specify only one argument, the backup's name")
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}
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if err := output.ValidateFlags(c); err != nil {
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return err
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}
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return nil
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}
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func (o *CreateOptions) Complete(args []string) error {
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o.BackupName = args[0]
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return nil
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}
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func (o *CreateOptions) Run(c *cobra.Command, f client.Factory) error {
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arkClient, err := f.Client()
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if err != nil {
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return err
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}
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restore := &api.Restore{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: api.DefaultNamespace,
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Name: fmt.Sprintf("%s-%s", o.BackupName, time.Now().Format("20060102150405")),
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Labels: o.Labels.Data(),
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},
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Spec: api.RestoreSpec{
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BackupName: o.BackupName,
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IncludedNamespaces: o.IncludeNamespaces,
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ExcludedNamespaces: o.ExcludeNamespaces,
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IncludedResources: o.IncludeResources,
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ExcludedResources: o.ExcludeResources,
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NamespaceMapping: o.NamespaceMappings.Data(),
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LabelSelector: o.Selector.LabelSelector,
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RestorePVs: o.RestoreVolumes.Value,
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},
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}
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if printed, err := output.PrintWithFormat(c, restore); printed || err != nil {
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return err
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}
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restore, err = arkClient.ArkV1().Restores(restore.Namespace).Create(restore)
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if err != nil {
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return err
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}
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fmt.Printf("Restore %q created successfully.\n", restore.Name)
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return nil
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}
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