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stop.go
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stop.go
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// SPDX-License-Identifier: BSD-3-Clause
// Copyright (c) 2023, Unikraft GmbH and The KraftKit Authors.
// Licensed under the BSD-3-Clause License (the "License").
// You may not use this file except in compliance with the License.
package stop
import (
"context"
"fmt"
"os"
"github.com/MakeNowJust/heredoc"
"github.com/spf13/cobra"
kraftcloud "sdk.kraft.cloud"
"kraftkit.sh/cmdfactory"
"kraftkit.sh/config"
"kraftkit.sh/log"
)
type StopOptions struct {
WaitTimeoutMS int64 `local:"true" long:"wait_timeout_ms" short:"w" usage:"Timeout to wait for the instance to start in milliseconds"`
Output string `long:"output" short:"o" usage:"Set output format" default:"table"`
All bool `long:"all" usage:"Stop all instances"`
metro string
}
// Stop a KraftCloud instance.
func Stop(ctx context.Context, opts *StopOptions, args ...string) error {
if opts == nil {
opts = &StopOptions{}
}
return opts.Run(ctx, args)
}
func NewCmd() *cobra.Command {
cmd, err := cmdfactory.New(&StopOptions{}, cobra.Command{
Short: "Stop an instance",
Use: "stop [FLAGS] [UUID]",
Args: cobra.ArbitraryArgs,
Example: heredoc.Doc(`
# Stop a KraftCloud instance
$ kraft cloud instance stop 77d0316a-fbbe-488d-8618-5bf7a612477a
`),
Annotations: map[string]string{
cmdfactory.AnnotationHelpGroup: "kraftcloud-instance",
},
})
if err != nil {
panic(err)
}
return cmd
}
func (opts *StopOptions) Pre(cmd *cobra.Command, args []string) error {
if !opts.All && len(args) == 0 {
return fmt.Errorf("either specify an instance UUID or --all flag")
}
opts.metro = cmd.Flag("metro").Value.String()
if opts.metro == "" {
opts.metro = os.Getenv("KRAFTCLOUD_METRO")
}
if opts.metro == "" {
return fmt.Errorf("kraftcloud metro is unset")
}
log.G(cmd.Context()).WithField("metro", opts.metro).Debug("using")
return nil
}
func (opts *StopOptions) Run(ctx context.Context, args []string) error {
auth, err := config.GetKraftCloudLoginFromContext(ctx)
if err != nil {
return fmt.Errorf("could not retrieve credentials: %w", err)
}
client := kraftcloud.NewInstancesClient(
kraftcloud.WithToken(auth.Token),
)
if opts.All {
instances, err := client.WithMetro(opts.metro).List(ctx)
if err != nil {
return fmt.Errorf("could not get list of all instances: %w", err)
}
for _, instance := range instances {
log.G(ctx).Infof("stopping %s", instance.UUID)
_, err := client.WithMetro(opts.metro).Stop(ctx, instance.UUID, opts.WaitTimeoutMS)
if err != nil {
log.G(ctx).Error("could not stop instance: %w", err)
}
}
return nil
}
for _, uuid := range args {
log.G(ctx).Infof("stopping %s", uuid)
_, err = client.WithMetro(opts.metro).Stop(ctx, uuid, opts.WaitTimeoutMS)
if err != nil {
return fmt.Errorf("could not create instance: %w", err)
}
}
return nil
}