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

74 lines
2.5 KiB
Go

// Copyright © 2018 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 (
"io"
"time"
"knative.dev/client/pkg/kn/commands"
serving_kn_v1alpha1 "knative.dev/client/pkg/serving/v1alpha1"
"knative.dev/client/pkg/wait"
"fmt"
"github.com/spf13/cobra"
)
const (
// How often to retry in case of an optimistic lock error when replacing a service (--force)
MaxUpdateRetries = 3
)
func NewServiceCommand(p *commands.KnParams) *cobra.Command {
serviceCmd := &cobra.Command{
Use: "service",
Short: "Service command group",
}
serviceCmd.AddCommand(NewServiceListCommand(p))
serviceCmd.AddCommand(NewServiceDescribeCommand(p))
serviceCmd.AddCommand(NewServiceCreateCommand(p))
serviceCmd.AddCommand(NewServiceDeleteCommand(p))
serviceCmd.AddCommand(NewServiceUpdateCommand(p))
return serviceCmd
}
func waitForService(client serving_kn_v1alpha1.KnServingClient, serviceName string, out io.Writer, timeout int) error {
err, duration := client.WaitForService(serviceName, time.Duration(timeout)*time.Second, wait.SimpleMessageCallback(out))
if err != nil {
return err
}
fmt.Fprintf(out, "%7.3fs Ready to serve.\n", float64(duration.Round(time.Millisecond))/float64(time.Second))
return nil
}
func showUrl(client serving_kn_v1alpha1.KnServingClient, serviceName string, originalRevision string, what string, out io.Writer) error {
service, err := client.GetService(serviceName)
if err != nil {
return fmt.Errorf("cannot fetch service '%s' in namespace '%s' for extracting the URL: %v", serviceName, client.Namespace(), err)
}
url := service.Status.URL.String()
if url == "" {
url = service.Status.DeprecatedDomain
}
revisionUpdateStatus := ""
newRevision := service.Status.LatestReadyRevisionName
if originalRevision != "" && originalRevision == newRevision {
revisionUpdateStatus = " (unchanged)"
}
fmt.Fprintf(out, "Service '%s' %s with latest revision '%s'%s and URL:\n%s\n", serviceName, what, newRevision, revisionUpdateStatus, url)
return nil
}