mirror of https://github.com/knative/client.git
113 lines
3.7 KiB
Go
113 lines
3.7 KiB
Go
// Copyright © 2019 The Knative Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package commands
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import (
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"errors"
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"fmt"
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serving_lib "github.com/knative/client/pkg/serving"
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servingv1alpha1 "github.com/knative/serving/pkg/apis/serving/v1alpha1"
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"github.com/spf13/cobra"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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func NewServiceCreateCommand(p *KnParams) *cobra.Command {
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var editFlags ConfigurationEditFlags
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serviceCreateCommand := &cobra.Command{
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Use: "create NAME --image IMAGE",
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Short: "Create a service.",
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Example: `
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# Create a service 'mysvc' using image at dev.local/ns/image:latest
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kn service create mysvc --image dev.local/ns/image:latest
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# Create a service with multiple environment variables
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kn service create mysvc --env KEY1=VALUE1 --env KEY2=VALUE2 --image dev.local/ns/image:latest
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# Create or replace a service 's1' with image dev.local/ns/image:v2 using --force flag
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# if service 's1' doesn't exist, it's just a normal create operation
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kn service create --force s1 --image dev.local/ns/image:v2
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# Create or replace environment variables of service 's1' using --force flag
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kn service create --force s1 --env KEY1=NEW_VALUE1 --env NEW_KEY2=NEW_VALUE2 --image dev.local/ns/image:v1
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# Create or replace default resources of a service 's1' using --force flag
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# (earlier configured resource requests and limits will be replaced with default)
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# (earlier configured environment variables will be cleared too if any)
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kn service create --force s1 --image dev.local/ns/image:v1`,
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RunE: func(cmd *cobra.Command, args []string) (err error) {
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if len(args) != 1 {
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return errors.New("requires the service name.")
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}
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if editFlags.Image == "" {
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return errors.New("requires the image name to run.")
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}
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namespace, err := GetNamespace(cmd)
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if err != nil {
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return err
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}
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service := servingv1alpha1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: args[0],
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Namespace: namespace,
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},
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}
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service.Spec.RunLatest = &servingv1alpha1.RunLatestType{}
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config, err := serving_lib.GetConfiguration(&service)
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if err != nil {
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return err
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}
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err = editFlags.Apply(config)
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if err != nil {
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return err
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}
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client, err := p.ServingFactory()
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if err != nil {
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return err
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}
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var serviceExists bool = false
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if editFlags.ForceCreate {
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existingService, err := client.Services(namespace).Get(args[0], v1.GetOptions{})
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if err == nil {
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serviceExists = true
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service.ResourceVersion = existingService.ResourceVersion
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_, err = client.Services(namespace).Update(&service)
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if err != nil {
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return err
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}
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fmt.Fprintf(cmd.OutOrStdout(), "Service '%s' successfully replaced in namespace '%s'.\n", args[0], namespace)
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}
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}
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if !serviceExists {
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_, err = client.Services(namespace).Create(&service)
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if err != nil {
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return err
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}
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fmt.Fprintf(cmd.OutOrStdout(), "Service '%s' successfully created in namespace '%s'.\n", args[0], namespace)
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}
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return nil
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},
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}
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AddNamespaceFlags(serviceCreateCommand.Flags(), false)
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editFlags.AddCreateFlags(serviceCreateCommand)
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return serviceCreateCommand
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}
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