mirror of https://github.com/knative/client.git
111 lines
3.4 KiB
Go
111 lines
3.4 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 apiserver
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import (
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"errors"
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"fmt"
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"github.com/spf13/cobra"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"knative.dev/client/pkg/kn/commands"
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"knative.dev/client/pkg/kn/commands/flags"
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"knative.dev/eventing/pkg/apis/sources/v1alpha1"
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)
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func NewApiServerCreateCommand(p *commands.KnParams) *cobra.Command {
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var apiServerUpdateFlags ApiServerSourceUpdateFlags
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var sinkFlags flags.SinkFlags
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cmd := &cobra.Command{
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Use: "create NAME --resource RESOURCE --service-account ACCOUNTNAME --sink SINK --mode MODE",
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Short: "Create an ApiServerSource, which watches for Kubernetes events and forwards them to a sink",
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Example: `
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# Create an ApiServerSource 'k8sevents' which consumes Kubernetes events and sends message to service 'mysvc' as a cloudevent
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kn source apiserver create k8sevents --resource Event --service-account myaccountname --sink svc:mysvc`,
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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("'source apiserver create' requires the name of the source as single argument")
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}
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name := args[0]
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// get namespace
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namespace, err := p.GetNamespace(cmd)
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if err != nil {
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return err
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}
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// get client
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sourcesClient, err := p.NewSourcesClient(namespace)
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if err != nil {
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return err
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}
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// resolve sink
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servingClient, err := p.NewServingClient(namespace)
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if err != nil {
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return err
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}
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objectRef, err := sinkFlags.ResolveSink(servingClient)
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if err != nil {
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return fmt.Errorf(
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"cannot create ApiServerSource '%s' in namespace '%s' "+
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"because %s", name, namespace, err)
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}
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// construct ApiServerSource
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apisrvsrc := constructApiServerSource(name, namespace, apiServerUpdateFlags)
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apisrvsrc.Spec.Sink = objectRef
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// create
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_, err = sourcesClient.CreateApiServerSource(apisrvsrc)
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if err != nil {
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return fmt.Errorf(
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"cannot create ApiServerSource '%s' in namespace '%s' "+
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"because %s", name, namespace, err)
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}
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fmt.Fprintf(cmd.OutOrStdout(), "ApiServerSource '%s' successfully created in namespace '%s'.\n", args[0], namespace)
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return nil
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},
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}
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commands.AddNamespaceFlags(cmd.Flags(), false)
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apiServerUpdateFlags.Add(cmd)
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sinkFlags.Add(cmd)
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cmd.MarkFlagRequired("schedule")
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return cmd
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}
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// constructApiServerSource is to create an instance of v1alpha1.ApiServerSource
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func constructApiServerSource(name string, namespace string, apiServerFlags ApiServerSourceUpdateFlags) *v1alpha1.ApiServerSource {
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source := v1alpha1.ApiServerSource{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: namespace,
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},
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Spec: v1alpha1.ApiServerSourceSpec{
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Resources: apiServerFlags.GetApiServerResourceArray(),
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ServiceAccountName: apiServerFlags.ServiceAccountName,
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Mode: apiServerFlags.Mode,
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},
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}
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return &source
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}
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