client/pkg/kn/commands/service/service_update.go

80 lines
2.1 KiB
Go

// Copyright © 2019 The Knative Authors
//
// 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 service
import (
"errors"
"fmt"
"github.com/knative/client/pkg/kn/commands"
"github.com/spf13/cobra"
)
func NewServiceUpdateCommand(p *commands.KnParams) *cobra.Command {
var editFlags ConfigurationEditFlags
serviceUpdateCommand := &cobra.Command{
Use: "update NAME",
Short: "Update a service.",
Example: `
# Updates a service 'mysvc' with new environment variables
kn service update mysvc --env KEY1=VALUE1 --env KEY2=VALUE2
# Update a service 'mysvc' with new port
kn service update mysvc --port 80
# Updates a service 'mysvc' with new requests and limits parameters
kn service update mysvc --requests-cpu 500m --limits-memory 1024Mi`,
RunE: func(cmd *cobra.Command, args []string) (err error) {
if len(args) != 1 {
return errors.New("requires the service name.")
}
namespace, err := p.GetNamespace(cmd)
if err != nil {
return err
}
client, err := p.NewClient(namespace)
if err != nil {
return err
}
service, err := client.GetService(args[0])
if err != nil {
return err
}
service = service.DeepCopy()
err = editFlags.Apply(service, cmd)
if err != nil {
return err
}
err = client.UpdateService(service)
if err != nil {
return err
}
fmt.Fprintf(cmd.OutOrStdout(), "Service '%s' updated in namespace '%s'.\n", args[0], namespace)
return nil
},
}
commands.AddNamespaceFlags(serviceUpdateCommand.Flags(), false)
editFlags.AddUpdateFlags(serviceUpdateCommand)
return serviceUpdateCommand
}