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create.go
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create.go
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/*
Copyright 2018 the Heptio Ark contributors.
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 snapshotlocation
import (
"fmt"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
api "github.com/heptio/ark/pkg/apis/ark/v1"
"github.com/heptio/ark/pkg/client"
"github.com/heptio/ark/pkg/cmd"
"github.com/heptio/ark/pkg/cmd/util/flag"
"github.com/heptio/ark/pkg/cmd/util/output"
)
func NewCreateCommand(f client.Factory, use string) *cobra.Command {
o := NewCreateOptions()
c := &cobra.Command{
Use: use + " NAME",
Short: "Create a volume snapshot location",
Args: cobra.ExactArgs(1),
Run: func(c *cobra.Command, args []string) {
cmd.CheckError(o.Complete(args, f))
cmd.CheckError(o.Validate(c, args, f))
cmd.CheckError(o.Run(c, f))
},
}
o.BindFlags(c.Flags())
output.BindFlags(c.Flags())
output.ClearOutputFlagDefault(c)
return c
}
type CreateOptions struct {
Name string
Provider string
Config flag.Map
Labels flag.Map
}
func NewCreateOptions() *CreateOptions {
return &CreateOptions{
Config: flag.NewMap(),
}
}
func (o *CreateOptions) BindFlags(flags *pflag.FlagSet) {
flags.StringVar(&o.Provider, "provider", o.Provider, "name of the volume snapshot provider (e.g. aws, azure, gcp)")
flags.Var(&o.Config, "config", "configuration key-value pairs")
flags.Var(&o.Labels, "labels", "labels to apply to the volume snapshot location")
}
func (o *CreateOptions) Validate(c *cobra.Command, args []string, f client.Factory) error {
if err := output.ValidateFlags(c); err != nil {
return err
}
if o.Provider == "" {
return errors.New("--provider is required")
}
return nil
}
func (o *CreateOptions) Complete(args []string, f client.Factory) error {
o.Name = args[0]
return nil
}
func (o *CreateOptions) Run(c *cobra.Command, f client.Factory) error {
volumeSnapshotLocation := &api.VolumeSnapshotLocation{
ObjectMeta: metav1.ObjectMeta{
Namespace: f.Namespace(),
Name: o.Name,
Labels: o.Labels.Data(),
},
Spec: api.VolumeSnapshotLocationSpec{
Provider: o.Provider,
Config: o.Config.Data(),
},
}
if printed, err := output.PrintWithFormat(c, volumeSnapshotLocation); printed || err != nil {
return err
}
client, err := f.Client()
if err != nil {
return err
}
if _, err := client.ArkV1().VolumeSnapshotLocations(volumeSnapshotLocation.Namespace).Create(volumeSnapshotLocation); err != nil {
return errors.WithStack(err)
}
fmt.Printf("Snapshot volume location %q configured successfully.\n", volumeSnapshotLocation.Name)
return nil
}