forked from moby/swarmkit
/
update.go
59 lines (49 loc) · 1.15 KB
/
update.go
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package service
import (
"errors"
"fmt"
"reflect"
"github.com/docker/swarmkit/api"
"github.com/docker/swarmkit/cmd/swarmctl/common"
"github.com/docker/swarmkit/cmd/swarmctl/service/flagparser"
"github.com/spf13/cobra"
)
var (
updateCmd = &cobra.Command{
Use: "update <service ID>",
Short: "Update a service",
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) == 0 {
return errors.New("service ID missing")
}
c, err := common.Dial(cmd)
if err != nil {
return err
}
service, err := getService(common.Context(cmd), c, args[0])
if err != nil {
return err
}
spec := service.Spec.Copy()
if err := flagparser.Merge(cmd, spec, c); err != nil {
return err
}
if reflect.DeepEqual(spec, &service.Spec) {
return errors.New("no changes detected")
}
r, err := c.UpdateService(common.Context(cmd), &api.UpdateServiceRequest{
ServiceID: service.ID,
ServiceVersion: &service.Meta.Version,
Spec: spec,
})
if err != nil {
return err
}
fmt.Println(r.Service.ID)
return nil
},
}
)
func init() {
flagparser.AddServiceFlags(updateCmd.Flags())
}